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WO2025052612A1 - Article de génération d'arôme et système de génération d'arôme - Google Patents

Article de génération d'arôme et système de génération d'arôme Download PDF

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Publication number
WO2025052612A1
WO2025052612A1 PCT/JP2023/032618 JP2023032618W WO2025052612A1 WO 2025052612 A1 WO2025052612 A1 WO 2025052612A1 JP 2023032618 W JP2023032618 W JP 2023032618W WO 2025052612 A1 WO2025052612 A1 WO 2025052612A1
Authority
WO
WIPO (PCT)
Prior art keywords
flavor
segment
flavor generating
generating article
less
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/JP2023/032618
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English (en)
Japanese (ja)
Inventor
哲也 本溜
勝太 山口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to PCT/JP2023/032618 priority Critical patent/WO2025052612A1/fr
Publication of WO2025052612A1 publication Critical patent/WO2025052612A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present invention relates to a flavor generating article and a flavor generating system.
  • a non-combustion heating type flavor inhaler that generates an aerosol or the like by heating a material containing a flavor source without burning the material.
  • a flavor inhaler a flavor generating article having a material containing a flavor source is stored and heated.
  • a plug or the like called a front plug or a tip plug is disposed at the end of the flavor generating article that is inserted into the flavor inhaler.
  • a hole or slit is defined in the front plug that allows a heating element to pass through.
  • the aerosol generating article of Patent Document 2 has a downstream portion that extends from the downstream end of the aerosol generating substrate to the downstream end of the aerosol generating article, and an upstream portion that extends from the upstream end of the aerosol generating substrate to the upstream end of the aerosol generating article, and is configured so that the ratio of the airflow resistance of the downstream portion to the airflow resistance of the upstream portion is 1 or more.
  • the aerosol-generating article of Patent Document 1 is intended to be used in an internally heated flavor inhaler in which a heating element is inserted into the aerosol-generating article. If the aerosol-generating article is used in an externally heated flavor inhaler in which the aerosol-generating article is heated from the outside, there is a risk that steam will leak from the hole or slit in the front plug. In addition, since a hole or slit is provided in the center of the end face of the front plug, air may be introduced near the center of the tobacco part that is not directly heated, which may reduce the delivery of flavor components, especially in the early stages of heating. On the other hand, in the aerosol generating device of Patent Document 2, a hole or slit is not necessarily formed in the front plug.
  • one of the objects of the present invention is to provide a flavor generating article and a flavor generating system that allows for placement of more flavor sources while making it easier for the user to inhale, even when no hole or slit for inserting a heater is formed on the end surface of the flavor generating article.
  • a flavor generating article is provided.
  • the flavor generating article is a flavor generating article that generates a flavor by being heated by a non-combustion heating type flavor inhaler, and includes a first end inserted into the flavor inhaler, a second end opposite to the first end, a flavor generating segment including a flavor source, a first segment disposed on the first end side of the flavor generating segment, and a second segment having a filter and disposed on the second end side of the flavor generating segment, in which a first filler is filled in a space in the first segment that communicates with the first end side and the second end side of the first segment, and the airflow resistance per segment of the first segment is lower than the airflow resistance per segment of the flavor generating segment.
  • the flavor generating article even if no hole or slit for inserting a heater is formed on the end surface of the flavor generating article, it is possible to provide a flavor generating article that allows the user to easily inhale while allowing more flavor sources to be placed therein.
  • a second aspect is the airflow resistance per segment of the first segment in the first aspect, which is greater than 0 mmH2O and less than or equal to 50 mmH2O .
  • the second aspect makes it easier for the user to inhale while reducing the risk of steam leaking from the first segment.
  • the introduction of air into the part of the first segment that is not directly heated reduces the risk of reduced delivery of flavor components during the initial heating stage, etc.
  • a third aspect is the first or second aspect, wherein the second segment has an airflow resistance per segment of 0 mmH2O or more and 50 mmH2O or less.
  • the third aspect it is possible to provide a flavor-generating product that is easy for the user to inhale.
  • a fourth aspect is summarized as follows: in any one of the first to third aspects, the flavor generating segment has an airflow resistance of 10 mmH2O or more and 50 mmH2O or less per segment.
  • a sufficient amount of flavor source can be placed in the flavor generating segment while making it easy for the user to inhale.
  • a fifth aspect is summarized as follows: in any one of the first to fourth aspects, the flavor generating article has an airflow resistance of 40 mmH 2 O or more and 400 mmH 2 O or less over an entire length.
  • the sixth aspect is any one of the first to fifth aspects, wherein the airflow resistance per segment of the first segment is 30% or less of the airflow resistance of the entire length of the flavor generating article.
  • the sixth aspect it is possible to provide a flavor generating article in which the amount of flavor source and the filtering capacity of the filter arranged in the second segment can be easily adjusted.
  • the seventh aspect is that in any of the first to sixth aspects, when a load equivalent to a weight of 300 g is applied to the measurement object perpendicularly in a direction from the first end side to the second end side, the diameter ratio of the first segment is 70% or more and 90% or less, where the diameter ratio is the minimum diameter of the measurement object when the load is applied to the average diameter of the measurement object before the load is applied.
  • the seventh aspect it is possible to prevent the first segment from being too soft, making it difficult for the user to grip, while also preventing the productivity of the flavor-generating article from decreasing due to the first segment being too soft or too hard.
  • the eighth aspect is that in any of the first to seventh aspects, when a load equivalent to a weight of 300 g is applied to the measurement object perpendicularly in a direction from the first end side to the second end side, the diameter ratio of the second segment is 85% or more and 95% or less, where the diameter ratio is the minimum diameter of the measurement object when the load is applied to the average diameter of the measurement object before the load is applied.
  • the eighth aspect it is possible to provide a flavor-generating article in which the second end side, which serves as the mouthpiece, is made relatively hard to facilitate inhalation by the user while suppressing a decrease in productivity.
  • the ninth aspect is that in any of the first to eighth aspects, when a load equivalent to a weight of 300 g is applied to the measurement object perpendicularly in a direction from the first end side to the second end side, the diameter ratio of the flavor generating segment is 70% or more and 95% or less, where the diameter ratio is the minimum diameter of the measurement object when the load is applied to the average diameter of the measurement object before the load is applied.
  • the ninth aspect it is possible to provide a flavor-generating article that is easy for the user to hold and that reduces the decrease in productivity.
  • the tenth aspect is, in any one of the first to ninth aspects, that when a load equivalent to a weight of 300 g is applied to the measurement object perpendicularly in a direction from the first end side to the second end side, the ratio of the diameter ratio of the second segment to the diameter ratio of the first segment is 1 or more and 1.2 or less, when the diameter ratio is the minimum diameter of the measurement object when the load is applied to the average diameter of the measurement object before the load is applied.
  • the second end side which serves as the mouthpiece, is made relatively hard to facilitate inhalation by the user, while preventing any decrease in ease of gripping the flavor-generating article or in productivity.
  • the eleventh aspect is, in any one of the first to tenth aspects, that when a load equivalent to a weight of 300 g is applied to the measurement object perpendicularly in a direction from the first end side to the second end side to the average diameter of the measurement object before the load is applied, the ratio of the diameter ratio of the flavor generating segment to the diameter ratio of the first segment is 0.8 or more and 1.4 or less.
  • a flavor-generating article can be provided in which the difference in hardness between the first segment and the flavor-generating segment is not too large, and the decrease in productivity is further suppressed.
  • the twelfth aspect is any one of the first to eleventh aspects, in which the total length of the first segment is 5 mm or more and 10 mm or less.
  • the flavor generating article can be configured compactly while suppressing a decrease in productivity caused by the first segment being too short.
  • the thirteenth aspect is any one of the first to twelfth aspects, in which the first filler of the first segment includes at least one of cellulose acetate, paper, and nonwoven fabric.
  • the first segment can be easily manufactured while adjusting the airflow resistance of the first segment.
  • the fourteenth aspect is any one of the first to thirteenth aspects, in which the first segment is filled with the first filler in the form of a folded sheet.
  • the first segment can be easily manufactured while reducing the air flow resistance in the direction along the sheet.
  • the fifteenth aspect is any one of the first to fourteenth aspects, in which the second segment includes at least one of a first filter in which a second filler is filled in a space connecting the first end side and the second end side of the first filter, and a hollow second filter.
  • the hardness and airflow resistance of the second segment can be adjusted more flexibly.
  • the sixteenth aspect is any one of the first to fifteenth aspects, in which the flavor generating segment is filled with a third filler containing the flavor source in a space that connects the first end side and the second end side of the flavor generating segment.
  • more flavor sources can be placed in the flavor generating segment.
  • the seventeenth aspect is based on any one of the first to sixteenth aspects, and further comprises a cooling segment disposed between the flavor generating segment and the second segment, for cooling the vapor or aerosol generated by the flavor generating segment.
  • flavor components can be delivered to the user at an appropriate temperature.
  • the eighteenth aspect is any one of the first to seventeenth aspects, in which the flavor-generating product is a tobacco stick.
  • the 18th aspect it is possible to provide a tobacco smoking article that is easy for users to carry.
  • a flavor generating system is provided.
  • the flavor generating system is characterized by comprising a flavor generating article according to any one of the first to 18th aspects and a non-combustion heating type flavor inhaler.
  • the 19th aspect even if no hole or slit for inserting a heater is formed on the end surface of the flavor generating article, it is possible to provide a flavor generating system that allows the user to easily inhale while allowing more flavor sources to be placed.
  • the 20th aspect is the 19th aspect, further comprising a heat source that generates heat when the flavor generating product is heated.
  • the flavor generating product can be heated more reliably.
  • the twenty-first aspect is the twenty-first aspect, wherein the flavor inhaler includes a storage section in which the flavor generating article is stored, and the heating source is a heater that heats the flavor generating article stored in the storage section from outside the flavor generating article, or a susceptor that is disposed on the flavor generating article and heated by an induction coil.
  • the heating source is a heater that heats the flavor generating article stored in the storage section from outside the flavor generating article, or a susceptor that is disposed on the flavor generating article and heated by an induction coil.
  • the flavor-generating product can be heated without the need to insert a heater such as a pin-type heater into the flavor-generating product, and it is possible to prevent a decrease in heating efficiency due to parts of the flavor-generating product adhering to such a heater.
  • a heater such as a pin-type heater
  • FIG. 1 is a perspective view of an embodiment of a flavor generating system.
  • FIG. 1 is a perspective view showing a flavor inhaler according to one embodiment.
  • 3 is a cross-sectional view showing the flavor inhaler taken along the arrow 3-3 in FIG. 2.
  • 1 is an exploded perspective view of a flavor generating article according to one embodiment.
  • FIG. 1 is a schematic cross-sectional view of a flavor generating article according to one embodiment.
  • FIG. 2 is an exploded perspective view of a flavor generating article according to another embodiment.
  • 4 is an enlarged cross-sectional view showing an atomization section and a control section when the flavor generating article is accommodated in a desired position of the flavor inhaler.
  • FIG. FIG. 4 is a cross-sectional view illustrating a first segment.
  • FIG. 9 is an enlarged cross-sectional view of FIG. 8, which illustrates a first filling material.
  • FIG. 1 is a conceptual diagram showing a method for measuring a hardness index
  • FIG. 1 is a perspective view showing a flavor generating system 1000 according to one embodiment of the present invention.
  • FIG. 2 is a perspective view showing a flavor inhaler 200 according to one embodiment of the present invention.
  • the flavor generating system 1000 is configured by applying a flavor generating article 100 to a flavor inhaler 200 having a heating source 40, which will be described later. At least a portion of the flavor generating article 100 is accommodated in the flavor inhaler 200 through an opening 210.
  • an X-Y-Z Cartesian coordinate system may be used for ease of explanation.
  • the Z axis faces vertically upward
  • the X-Y plane is positioned so as to cut the flavor inhaler 200 horizontally
  • the Y axis is positioned so as to extend from the front to the back of the flavor inhaler 200.
  • the Z axis direction can also be referred to as the insertion direction of the flavor generating article 100 housed in the chamber 50 described below.
  • the X axis direction can also be referred to as the device longitudinal direction in a plane perpendicular to the insertion direction of the flavor generating article 100.
  • the Y axis direction can also be referred to as the device lateral direction in a plane perpendicular to the insertion direction of the flavor generating article 100.
  • the flavor inhaler 200 is configured to generate an aerosol containing a flavor by, for example, heating a stick-shaped flavor generating article 100 having a flavor source containing an aerosol source.
  • the flavor generating article 100 is configured to have a smokable article containing a flavor source such as tobacco and an aerosol source at the tip side in the negative Z-axis direction, and a filter at another location.
  • the flavor generating article 100 is configured to generate a flavor by being heated by the non-combustion heating type flavor inhaler 200.
  • the flavor generating article 100 is described as having a stick shape, but the flavor generating article used in the flavor inhaler 200 is not limited to this.
  • the flavor generating article can be configured to include a cartridge that contains a liquid aerosol source.
  • the cartridge may also have a heater.
  • the flavor generating article 100 may be a tobacco stick. This makes it possible to provide the user with a tobacco smoking article that is easy to carry.
  • the flavor inhaler 200 has a housing 202 composed of an upper housing 204 and a lower housing 206, and a slide cover 208.
  • the housing 202 constitutes the outermost housing of the flavor inhaler 200 and has a size that fits in the user's hand.
  • the user can hold the flavor inhaler 200 in their hand and inhale the aerosol.
  • the upper housing 204 of the housing 202 is made of a resin such as polycarbonate
  • the lower housing 206 is made of a metal such as aluminum.
  • the material of the housing 202 is not limited to these, and may be made of resin, and may be selected from any suitable material, such as polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (Polyether Ether Ketone), or a polymer alloy containing multiple types of polymers.
  • the upper housing 204 has an opening 210 for receiving the flavor generating article 100, and the slide cover 208 is slidably attached to the upper housing 204 so as to close the opening 210.
  • the slide cover 208 is configured to be movable along the outer surface of the upper housing 204 between a closed position in which the opening 210 of the upper housing 204 is closed, and an open position (position shown in Figures 1 and 2) in which the opening 210 is open.
  • a user can manually operate the slide cover 208 to move the slide cover 208 between the closed position and the open position. In this way, the slide cover 208 can permit or restrict access of the flavor generating article 100 to the inside of the flavor inhaler 200.
  • the flavor generating system 1000 air inhaled by the user is introduced into the flavor inhaler 200 from the opening 210, flows in the negative direction of the Z axis inside the chamber 50, and is supplied to the upstream end face of the flavor generating article 100. That is, the flavor generating system 1000 shown in FIG. 1 has a so-called counterflow type air flow path. Note that the air flow path is not limited to the counterflow type, and may have a so-called bottom flow type air flow path in which air is supplied from the bottom of the chamber 50 to the upstream end face of the flavor generating article 100.
  • the housing 202 of the flavor inhaler 200 is illustrated so that the joint surface between the upper housing 204 and the lower housing 206 intersects at an angle with respect to the XY plane, but the configuration of the housing 202 is not limited to this.
  • the housing 202 can also be configured from three or more members.
  • the flavor inhaler 200 may further have a terminal (not shown).
  • the terminal may be an interface that connects the flavor inhaler 200 to, for example, an external power source. If the power source provided in the flavor inhaler 200 is a rechargeable battery, connecting the external power source to the terminal allows current to flow from the external power source to the power source, thereby charging the power source.
  • connecting a data transmission cable to the terminal may allow data related to the operation of the flavor inhaler 200 to be transmitted to an external device.
  • Figure 3 is a cross-sectional view showing the flavor inhaler 200 taken along the arrow 3-3 shown in Figure 2.
  • the power supply unit 20, the atomization unit 30, and the control unit 80 are provided in the internal space of the housing 202 of the flavor inhaler 200.
  • the control unit 80 includes a substrate 81.
  • the substrate 81 includes, for example, a microprocessor, and can control the supply of power from the power supply unit 20 to the atomization unit 30. This allows the control unit 80 to control the heating of the flavor generating article 100 by the atomization unit 30.
  • the control unit 80 also includes a Bluetooth (registered trademark) interface 82. The control unit 80 can communicate with external devices via the Bluetooth interface 82.
  • the atomization section 30 has a chamber 50 extending in the longitudinal direction of the flavor generating article 100, a heating source 40 surrounding a portion of the chamber 50, a heat insulating section 32, and a generally cylindrical insertion guide member 34.
  • the chamber 50 has a cylindrical shape that houses the flavor generating article 100.
  • the chamber 50 may have a so-called elliptical shape having a major axis and a minor axis in a cross section perpendicular to the longitudinal direction of the flavor inhaler 200.
  • the chamber 50 is preferably formed from a material that is heat resistant and has a small coefficient of thermal expansion, and may be formed from, for example, a metal such as stainless steel, a resin such as PEEK, glass, ceramic, etc.
  • the heating source 40 is configured to contact the outer peripheral surface of the chamber 50 and heat the flavor generating article 100 contained in the chamber 50.
  • the heating source 40 is a heating element that generates heat, i.e., its temperature increases, due to power from the power supply unit 20.
  • the heating source 40 may be a sheet-shaped heater.
  • the heating source 40 may be provided so as to contact the outer peripheral surface of the chamber 50, or may be provided on the inner surface of the chamber 50.
  • the longitudinal length of the heating source 40 is, for example, 10 mm.
  • the heater constituting the heating source 40 may include an electric heating wire.
  • the heater is arranged outside the chamber 50 that functions as a storage unit for storing the flavor generating article, and is configured to heat the flavor generating article 100 contained in the chamber 50 from the outside of the flavor generating article 100.
  • the flavor inhaler 200 is an external heating type flavor inhaler.
  • the heating source 40 may be a susceptor disposed in the flavor generating article 100, and may be configured to be inductively heated by an induction coil disposed in the flavor inhaler 200.
  • the heating source 40 may be a microwave absorber such as water or glycerin contained in the flavor generating article 100, and may be configured to be heated by microwaves from a microwave radiation source disposed in the flavor inhaler 200.
  • the flavor generating article 100 can be heated without the need to insert a heater such as a pin-type heater into the flavor generating article 100, and it is possible to prevent a part of the flavor generating article 100 from adhering to such a heater, thereby reducing the heating efficiency.
  • a heater such as a pin-type heater
  • the insulating section 32 is disposed to surround the chamber 50 and the heating source 40, and suppresses heat radiation to the outside of the chamber 50.
  • the insulating section 32 may be, for example, an aerogel.
  • the insertion guide member 34 is formed of a resin material such as PEEK, PC, or ABS, and is provided between the slide cover 208 in the closed position and the chamber 50. When the slide cover 208 is in the open position, the insertion guide member 34 communicates with the outside of the flavor inhaler 200, and guides the insertion of the flavor generating article 100 into the chamber 50 by inserting the flavor generating article 100 into the insertion guide member 34.
  • FIG. 4 is an exploded perspective view of the flavor generating article 100.
  • FIG. 5 is a schematic side cross-sectional view of the flavor generating article 100.
  • the flavor generating article 100 includes a flavor source 221 that generates a flavor, and a tip plug 112 (corresponding to an example of an upstream portion) arranged upstream of the flavor source 221.
  • the flavor generating article 100 includes, in order from the tip side (i.e., the side opposite the mouthpiece), the tip plug 112, the flavor generating portion 220, the hollow tube portion 132, a hollow filter 240 (corresponding to an example of a second filter), and a filter plug 250 (corresponding to an example of a first filter).
  • These five components are connected using an outer plug wrap 280, an outer plug wrap 260, and a tipping paper 270.
  • the airflow resistance in the longitudinal direction of each flavor-generating article 100 is not particularly limited, but is preferably 40 mmH 2 O or more and 400 mmH 2 O or less from the viewpoint of ease of inhalation. In this case, a comfortable inhalation resistance can be provided to the user.
  • the airflow resistance is measured using, for example, a filter airflow resistance measuring device manufactured by Cerulean Co., Ltd., in accordance with the ISO standard method (ISO6565:2015).
  • the airflow resistance refers to the air pressure difference between the first end face and the second end face when air is flowed at a predetermined air flow rate (17.5 cc/sec) from one end face (first end face) to the other end face (second end face) in a state in which air does not pass through the side face of the flavor-generating article 100.
  • the unit is generally expressed in mmH 2 O. It is known that the relationship between the airflow resistance and the length of a non-combustion heat-not-burn tobacco is proportional within the normally used length range (5 mm to 200 mm), and the airflow resistance of the non-combustion heat-not-burn tobacco doubles when the length is doubled. From the same viewpoint as above, it is preferable that the airflow resistance when the ventilation hole vf is opened in the flavor generating article 100 is 30 mmH2O or more and 170 mmH2O or less.
  • the rod-shaped flavor generating article 100 preferably has a columnar shape that satisfies an aspect ratio of 1 or more, as defined below.
  • Aspect ratio h/w w is the width of the bottom surface of the columnar body (in this specification, this is defined as the width of the bottom surface on the flavor generating section 220 side), and h is the height, and it is preferable that h ⁇ w.
  • the long axis direction is defined as the direction indicated by h. Therefore, even if w ⁇ h, the direction indicated by h will be referred to as the long axis direction for convenience.
  • the shape of the bottom surface is not limited and may be a polygon, a rounded polygon, a circle, an ellipse, or the like.
  • the width w is the diameter if the bottom surface is circular, the major axis if the bottom surface is elliptical, or the diameter of the circumscribing circle or the major axis of the circumscribing ellipse if the bottom surface is polygonal or rounded polygonal.
  • the length h of the flavor generating article 100 in the major axis direction is not particularly limited, and is, for example, usually 40 mm or more, preferably 45 mm or more, and more preferably 50 mm or more. Also, it is usually 100 mm or less, preferably 90 mm or less, and more preferably 80 mm or less.
  • the width w of the bottom surface of the columnar body of the flavor generating article 100 is not particularly limited, and is, for example, typically 5 mm or more, and preferably 5.5 mm or more. It is also typically 10 mm or less, and preferably 9 mm or less, and more preferably 8 mm or less.
  • the ratio of the length of the hollow tube section 132 and the filter segment (the total length of the hollow filter 240 and the filter plug 250) to the longitudinal length of the flavor generating article 100 (hollow tube section 132:filter segment) is not particularly limited, but from the standpoint of the amount of flavor delivered and the appropriate aerosol temperature, it is usually 0.60-1.40:0.60-1.40, preferably 0.80-1.20:0.80-1.20, more preferably 0.85-1.15:0.85-1.15, even more preferably 0.90-1.10:0.90-1.10, and particularly preferably 0.95-1.05:0.95-1.05.
  • the length ratio of the hollow tube section 132 and the filter segment (hollow filter 240 and filter plug 250) within the above range, it is possible to achieve the following effects: a cooling effect; suppressing losses due to adhesion of the generated steam and aerosol to the inner wall of the hollow tube section 132; and providing a good and strong flavor by balancing the filter's air volume and flavor adjustment functions.
  • the aerosol and the like are promoted to break down into particles, resulting in a good flavor, but if it is too long, the substances passing through will adhere to the inner wall.
  • the flavor generating unit 220 is disposed adjacent to the downstream end of the tip plug 112.
  • the flavor generating unit 220 includes a flavor source 221 and a cigarette paper 222 around which the flavor source 221 is wrapped.
  • the form of the flavor generating unit 220 is not particularly limited as long as it is a known form, but is usually a form in which the flavor source 221 is wrapped in cigarette paper 222.
  • the flavor source 221 is wrapped in cigarette paper 222 so that it is on the inside to form the flavor generating unit 220.
  • the flavor source 221 may include a tobacco filler.
  • the tobacco filler is not particularly limited, and a first tobacco filler or a second tobacco filler described later can be used.
  • a molded product of dried tobacco such as tobacco shreds, tobacco sheets, tobacco granules, etc. described later may be simply referred to as "dried tobacco leaves".
  • the flavor generating unit 220 may also have a fitting portion with a heating source 40 for heating the tobacco product.
  • the flavor generating section 220 which is formed by wrapping the flavor source 221 in wrapping paper 222, preferably has a columnar shape, and in this case, the aspect ratio represented by the height of the flavor generating section 220 in the major axis direction relative to the width of the bottom surface of the flavor generating section 220 is preferably 1 or more.
  • the shape of the bottom surface is not limited, and may be polygonal, rounded polygonal, circular, elliptical, etc.
  • the width of the bottom surface is the diameter if the bottom surface is circular, the major axis if the bottom surface is elliptical, and the diameter of the circumscribing circle or the major axis of the circumscribing ellipse if the bottom surface is polygonal or rounded polygonal.
  • the length of the flavor generating section 220 in the major axis direction can be changed as appropriate according to the size of the product, but is usually 10 mm or more, preferably 12 mm or more, and is usually 70 mm or less, preferably 50 mm or less, more preferably 30 mm or less, even more preferably 25 mm or less, and even more preferably 20 mm or less.
  • the ratio of the length of the flavor generating section 220 to the overall length of the flavor generating article 100 in the longitudinal direction is not particularly limited, but from the viewpoint of the balance between the delivery amount and the aerosol temperature, it is usually 10% or more, preferably 20% or more, and usually 80% or less, preferably 70% or less, more preferably 60% or less, even more preferably 50% or less, particularly preferably 45% or less, and most preferably 40% or less.
  • the material of the tobacco shreds contained in the first filling is not particularly limited, and known materials such as lamina and ribs can be used.
  • the tobacco shreds may be manufactured by grinding dried tobacco leaves to an average particle size of 20 ⁇ m or more and 200 ⁇ m or less to produce tobacco shreds, homogenizing the shreds and processing them into a sheet, and then shredding the homogenized sheet.
  • the tobacco shreds may be of the so-called strand type, in which a homogenized sheet having a length approximately equal to the longitudinal direction of the flavor generating section 220 is shredded approximately horizontally to the longitudinal direction of the flavor generating section 220 and filled into the cigarette paper 222.
  • the width of the tobacco shreds is preferably 0.5 mm or more and 2.0 mm or less in order to fill the cigarette paper 222.
  • Various kinds of tobacco can be used for the tobacco leaves used to prepare the tobacco shreds and homogenized sheet.
  • Examples include flue-cured tobacco, burley, orient, native tobacco, other Nicotiana tabacum varieties, Nicotiana rustica varieties, and mixtures of these.
  • the above varieties can be appropriately blended to achieve the desired flavor. Details of the tobacco varieties are disclosed in "Encyclopedia of Tobacco, Tobacco Research Center, March 31, 2009."
  • There are several conventional methods known for producing the homogenized sheet that is, for grinding tobacco leaves and processing them into a homogenized sheet.
  • the first method is to produce a paper-making sheet using a papermaking process.
  • the second method is to mix a suitable solvent such as water with the ground tobacco leaves to homogenize them, and then cast the homogenized mixture thinly on a metal plate or metal plate belt and dry it to produce a cast sheet.
  • the third method is to mix a suitable solvent such as water with the ground tobacco leaves to homogenize them, and extrude the mixture into a sheet to produce a rolled sheet. Details of the types of homogenizing sheets mentioned above are disclosed in the "Encyclopedia of Tobacco, Tobacco Research Center, March 31, 2009."
  • the moisture content of the tobacco filling is, for example, 10% by weight or more and 15% by weight or less, and preferably 11% by weight or more and 13% by weight or less, based on the total amount of the tobacco filling. Such a moisture content suppresses the occurrence of rolling stains and improves the suitability of the flavor generating unit 220 for rolling during manufacture.
  • dried tobacco leaves may be crushed to an average particle size of about 20 ⁇ m to 200 ⁇ m, homogenized, processed into a sheet, and the sheet may be shredded to a width of 0.5 mm to 2.0 mm for use in the first tobacco filling.
  • the first tobacco filling may contain an aerosol base material that generates an aerosol.
  • the type of aerosol base material is not particularly limited, and various extracts from natural products and/or their components can be selected depending on the application.
  • Examples of aerosol base materials include glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
  • the content of the aerosol base material in the first tobacco filling is not particularly limited, but from the viewpoint of generating sufficient aerosol and imparting a good flavor, it is usually 5% by weight or more, preferably 10% by weight or more, and usually 50% by weight or less, preferably 15% by weight or more and 25% by weight or less, based on the total amount of the tobacco filling.
  • the first tobacco filling may contain a flavoring.
  • the type of flavoring is not particularly limited, and examples of flavorings from the viewpoint of imparting a good flavor include acetanisole, acetophenone, acetylpyrazine, 2-acetylthiazole, alfalfa extract, amyl alcohol, amyl butyrate, trans-anethole, star anise oil, apple juice, Peru balsam oil, beeswax absolute, benzaldehyde, benzoin resinoid, benzyl alcohol, benzyl benzoate, benzyl phenylacetate, benzyl propionate, 2,3-butanedione, 2-butanol, butyl butyrate, butyric acid, caramel, cardamom oil, carob oil, and the like.
  • the content of the flavoring in the first tobacco filling is not particularly limited, and from the viewpoint of imparting a good flavor, it is usually 10,000 ppm or more, preferably 20,000 ppm or more, more preferably 25,000 ppm or more, and is usually 70,000 ppm or less, preferably 50,000 ppm or less, more preferably 40,000 ppm or less, and even more preferably 33,000 ppm or less.
  • the filling density of the first tobacco filling material is not particularly limited, but from the viewpoint of ensuring the performance of the flavor generating article 100 and imparting a good flavor, it is usually 250 mg/ cm3 or more, preferably 300 mg/ cm3 or more, and usually 400 mg/ cm3 or less, preferably 350 mg/ cm3 or less.
  • the second tobacco filling is composed of a tobacco sheet filled into the filling (e.g., cigarette paper 222).
  • the number of tobacco sheets may be one or more.
  • a filling mode (so-called gathered sheet) in which a tobacco sheet with one side having a length approximately equal to the longitudinal direction of the filling is folded multiple times along folds approximately parallel to the longitudinal direction of the filling is included.
  • Another example of the above mode is a mode in which a tobacco sheet with one side having a length approximately equal to the longitudinal direction of the filling is filled in a state where it is wound around the longitudinal axis of the filling.
  • the second tobacco filling is composed of two or more tobacco sheets
  • a plurality of tobacco sheets one side of which has a length approximately equal to the longitudinal direction of the filling
  • "Arranged concentrically" means that all of the tobacco sheets are arranged so that their centers are in approximately the same position.
  • the number of tobacco sheets is not particularly limited, but examples include two, three, four, five, six, or seven.
  • the two or more tobacco sheets may all have the same composition or physical properties, or some or all of the tobacco sheets may have different compositions or physical properties.
  • the thickness of each tobacco sheet may be the same or different.
  • the second tobacco filler can be manufactured by preparing a plurality of tobacco sheets of different widths, stacking them so that the width decreases from the bottom to the top, and passing this through a rolling tube to roll and shape it.
  • the plurality of tobacco sheets extend in the longitudinal direction and are arranged concentrically around the longitudinal axis.
  • a fitting portion extending in the longitudinal direction may also be formed between the longitudinal axis and the innermost tobacco sheet.
  • the laminate is preferably prepared so that a non-contact portion is formed between adjacent tobacco sheets after rolling. If there is a non-contact portion (gap) between multiple tobacco sheets where the tobacco sheets do not contact, a flavor flow path can be secured and the delivery efficiency of the flavor components can be improved. On the other hand, heat from the heater can be transferred to the outer tobacco sheet through the contact portion of the multiple tobacco sheets, so that high heat transfer efficiency can be secured.
  • a method of using an embossed tobacco sheet for example, a method of laminating adjacent tobacco sheets without bonding the entire surfaces of the sheets, a method of laminating adjacent tobacco sheets by bonding parts of the sheets, or a method of preparing a laminate by laminating adjacent tobacco sheets by lightly bonding the entire surfaces or parts of the sheets so that they can be peeled off after rolling.
  • the cigarette paper 222 may be placed at the bottom of the laminate.
  • a cylindrical dummy such as a mandrel can be placed on the top of the laminate to form the second tobacco filler, and then the dummy can be removed to form the fitting portion.
  • the filling density of the second tobacco filling material is not particularly limited, but from the viewpoint of ensuring the performance of the flavor generating article 100 and imparting a good flavor, it is usually 250 mg/ cm3 or more, preferably 300 mg/ cm3 or more, and usually 400 mg/ cm3 or less, preferably 350 mg/ cm3 or less.
  • the tobacco sheet may contain an aerosol base material that generates an aerosol when heated.
  • An aerosol source such as glycerin, propylene glycol, or a polyol such as 1,3-butanediol is added as the aerosol base material.
  • the amount of the aerosol base material added is preferably 5% by weight or more and 50% by weight or less, and more preferably 15% by weight or more and 25% by weight or less, based on the dry weight of the tobacco sheet.
  • Tobacco sheets can be appropriately manufactured by known methods such as papermaking, slurrying, rolling, etc.
  • the homogenized sheet described in the first tobacco filler can also be used.
  • papermaking it can be manufactured by a method including the following steps: 1) Dried tobacco leaves are roughly crushed and extracted with water to separate them into a water extract and a residue. 2) The water extract is dried under reduced pressure and concentrated. 3) Pulp is added to the residue, which is then fiberized in a refiner and made into paper. 4) A concentrated liquid of the water extract is added to the paper-made sheet and dried to obtain a tobacco sheet. In this case, a step of removing some of the components such as nitrosamines may be added (see JP2004-510422A).
  • the slurry method it can be manufactured by a method including the following steps: 1) Water, pulp, and binder are mixed with crushed tobacco leaves. 2) The mixture is thinly spread (cast) and dried. In this case, a step may be added in which a slurry of water, pulp, binder, and crushed tobacco leaves is irradiated with ultraviolet light or X-rays to remove some of the components, such as nitrosamines.
  • a nonwoven tobacco sheet can be used that is manufactured by a method including the following steps: 1) Mixing powdered tobacco leaves with a binder. 2) Sandwiching the mixture between nonwoven fabrics. 3) Forming the laminate into a certain shape by thermal welding to obtain a nonwoven tobacco sheet.
  • the raw tobacco leaves used in each of the above methods can be of the same type as those described for the first filling material.
  • the composition of the tobacco sheet is not particularly limited, but for example, the content of tobacco raw material (tobacco leaves) is preferably 50% by weight or more and 95% by weight or less based on the total weight of the tobacco sheet.
  • the tobacco sheet may also contain a binder, and examples of such binders include guar gum, xanthan gum, CMC (carboxymethylcellulose), CMC-Na (sodium salt of carboxymethylcellulose), etc.
  • the amount of binder is preferably 1% by weight or more and 10% by weight or less based on the total weight of the tobacco sheet.
  • the tobacco sheet may further contain other additives. Examples of additives include fillers such as pulp.
  • multiple tobacco sheets are used, and the tobacco sheets may all have the same composition or physical properties, or some or all of the tobacco sheets may have different compositions or physical properties.
  • each tobacco sheet there are no restrictions on the thickness of each tobacco sheet, but in terms of the balance between heat transfer efficiency and strength, a thickness of 150 ⁇ m or more and 1000 ⁇ m or less is preferable, and a thickness of 200 ⁇ m or more and 600 ⁇ m or less is even more preferable.
  • the thicknesses of each tobacco sheet may be the same or different.
  • the flavor generating section 220 may contain dried tobacco leaves (dried tobacco leaves) and a flavor-containing material in which a flavor is encapsulated in a polysaccharide gel.
  • the flavor-containing material is a material in which a flavor is encapsulated in a polysaccharide gel, and by incorporating the flavor-containing material in the flavor generating section 220, the variation in the amount of flavor delivered per puff is suppressed from the early to late stages of smoking, and a good flavor can be continuously obtained.
  • the inventors speculate that the reason for this is as follows. First, the flavor generating article 100 is inserted into the flavor inhaler 200 shown in FIG. 1 and smoking is started after a certain period of preheating.
  • a flavor is directly incorporated into the flavor generating section 220, the flavor volatilizes during preheating and most of it is delivered in the early stages of smoking, so it is thought that the amount of flavor delivered in the later stages of smoking will be insufficient.
  • the flavor is coated with a polysaccharide gel, which suppresses the flavor from evaporating during preheating and gradually releases the flavor during smoking. Therefore, it is assumed that a sufficient amount of flavor can be delivered even in the later stages of smoking.
  • fragrances from the viewpoint of imparting a good fragrance tone include acetanisole, acetophenone, acetylpyrazine, 2-acetylthiazole, alfalfa extract, amyl alcohol, amyl butyrate, trans-anethole, star anise oil, apple juice, Peru balsam oil, beeswax absolute, benzaldehyde, benzoin resinoid, benzyl alcohol, benzyl benzoate, benzyl phenylacetate, benzyl propionate, 2,3-butanedione, 2-butanol, butyl butyrate, butyric acid, caramel, cardamom oil, carob absolute, etc.
  • the amount of flavoring contained in the flavoring-containing material varies depending on the type of flavoring, the type of polysaccharide, etc., but is usually 18% by mass or more, preferably 50% by mass or more, more preferably 60% by mass or more, and is usually 90% by mass or less, preferably 80% by mass or less.
  • the type of polysaccharide is not particularly limited, but is preferably a single-component system of carrageenan, agar, gellan gum, tamarind gum, psyllium seed gum, or konjac glucomannan; or a composite system combining two or more components selected from the group consisting of carrageenan, locust bean gum, guar gum, agar, gellan gum, tamarind gum, xanthan gum, tara gum, konjac glucomannan, starch, cassia gum, and psyllium seed gum.
  • polysaccharides are preferred in that they gel simply by heating to 30°C to 90°C in an aqueous solution, so no gelling agent such as metal chlorides is required when preparing the flavor-containing material, and they do not generate undesirable components in the mainstream smoke during smoking, such as decomposition products of chlorides.
  • the fragrance-containing material may contain an emulsifier used to emulsify the raw materials during preparation.
  • an emulsifier used to emulsify the raw materials during preparation.
  • emulsifier there are no particular limitations on the type of emulsifier, and examples include lecithin, glycerin fatty acid esters, polyglycerin fatty acid esters, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, propylene glycol fatty acid esters, and sucrose fatty acid esters, with lecithin being preferred.
  • lecithin being preferred.
  • These emulsifiers may be used alone or in combination of two or more types.
  • the method for preparing the fragrance-containing material is not particularly limited, and the material can be prepared by a method similar to a known method. Known methods include those described in WO 2011/118040, JP 2013-099349, WO 2012/118034, etc. More specifically, the fragrance-containing material can be prepared, for example, by a method including the following steps (i) and (ii).
  • the content of the flavor-containing material in the flavor generating section 220 depends on the content of the flavor in the flavor-containing material, but is usually 1% by mass or more, preferably 5% by mass or more, and usually 20% by mass or less, preferably 10% by mass or less, based on the dried tobacco leaves.
  • the flavor generating section 220 also contains a flavor-containing material such that the content of the flavor contained in the flavor-containing material is usually 1 mg or more, preferably 5 mg or more, more preferably 10 mg or more, and usually 30 mg or more, preferably 20 mg or less.
  • the content of the flavor-containing material in the flavor generating section 220 within the above range, not only can a good flavor tone be imparted, but also the variation in the amount of flavor delivered per puff can be suppressed from the early to late stages of smoking, and a sufficient amount of delivery can be ensured in all stages of smoking, from the early to late stages.
  • the manner in which the flavor-containing material is blended into the flavor generating section 220 is not particularly limited, and the flavor-containing material may be disposed inside and/or outside the cigarette paper 222 that wraps the flavor source 221, the cigarette paper 222 may be impregnated with the flavor-containing material, or the flavor-containing material may be blended into the tobacco filler.
  • the emulsion slurry may be applied to the cigarette paper 222, or the emulsion slurry may be sequentially cast onto a substrate and dried to form a flavor-containing sheet, and the flavor source 221 may be wrapped together with the cigarette paper.
  • the cigarette paper 222 impregnated with the flavor-containing material may be produced by impregnating the cigarette paper 222 with the emulsion slurry and drying it.
  • the emulsion slurry may be applied to or impregnated into dried tobacco leaves, or the flavor-containing sheet or its shredded or crushed material may be mixed with dried tobacco.
  • the flavor source 221 may be block-shaped or may be cylindrical, for example.
  • a gap may be formed inside the flavor source 221, extending in the direction in which the flavor source 221 and the tip plug 112 are adjacent to each other.
  • the flavor source 221 is located outside the flavor generating article 100, and the gap is located inside the flavor source 221, so that when the flavor generating article 100 is heated from the outside in the flavor inhaler 200, the flavor source 221 can be heated efficiently.
  • the flavor source 221 when using a flavor inhaler 200 that heats the flavor generating article 100 from the outside, the flavor source 221 is not disposed inside the flavor generating article 100, which is a position where heat is not easily transmitted and does not easily contribute to the generation of steam or aerosol, so that the amount of the flavor source 221 can be saved while suppressing a decrease in the amount of steam or aerosol.
  • the cylindrical flavor source 221 may be formed, for example, by rolling a sheet-like flavor source 221 into a cylindrical shape.
  • the configuration of the cigarette paper 222 used in the flavor generating product 100 is not particularly limited and can be of a general type.
  • the cigarette paper can be mainly made of pulp.
  • Pulp can be wood pulp such as softwood pulp or hardwood pulp, flax pulp, hemp pulp, sisal pulp, esparto, or other pulps generally used in cigarette papers for tobacco products, and the cigarette paper can be obtained by papermaking one or more of these pulps. These pulps can be used alone or in combination of multiple types in any ratio.
  • Pulp can be chemical pulp obtained by kraft cooking, acidic/neutral/alkaline sulfite cooking, soda salt cooking, etc., ground pulp, chemi-ground pulp, thermomechanical pulp, etc.
  • the above pulp can be used in a papermaking process using a Fourdrinier papermaking machine, a cylinder papermaking machine, or a combined cylinder/cylinder papermaking machine to produce a wrapping paper with a uniform texture.
  • a wet strength agent can be added to the wrapping paper to impart water resistance, or a sizing agent can be added to adjust the printing condition of the wrapping paper.
  • a papermaking internal additive and a papermaking additive can be added to the wrapping paper.
  • the papermaking internal additive can include, for example, aluminum sulfate, various anionic, cationic, nonionic, or amphoteric retention improvers, drainage improvers, and paper strength enhancers.
  • the papermaking additive can include, for example, dyes, pH adjusters, defoamers, pitch control agents, slime control agents, and the like.
  • the basis weight of the base paper of the wrapping paper is, for example, usually 30 gsm or more, preferably 35 gsm or more. On the other hand, the above basis weight is usually 70 gsm or less, preferably 50 gsm or less, and more preferably 45 gsm or less.
  • the thickness of the wrapping paper having the above characteristics is not particularly limited, and is preferably 40 ⁇ m or more from the viewpoints of rigidity, breathability, and ease of adjustment during papermaking, and is usually 100 ⁇ m or less, preferably 75 ⁇ m or less, and more preferably 60 ⁇ m or less.
  • the wrapping paper of the flavor-generating product 100 may have a square or rectangular shape.
  • the length of one side of the wrapping paper 222 may be about 12 mm to 70 mm, and the length of the other side (the side connected to the above side) may be 15 mm to 28 mm, preferably 22 mm to 24 mm, and more preferably about 23 mm.
  • the end of the wrapping paper 222 in the width direction and the end on the opposite side can be overlapped by about 2 mm and glued together.
  • the size of the rectangular wrapping paper 222 can be determined depending on the size of the flavor generating unit 220. In the case of wrapping paper that connects and wraps the flavor generating unit 220 and other components adjacent to the flavor generating unit 220, the length of one side can be 20 mm to 60 mm, and the length of the other side (the side connected to the above side) can be 15 mm to 28 mm.
  • the wrapping paper may contain a filler.
  • the content of the filler may be 10% by weight or more and less than 60% by weight, and preferably 15% by weight or more and 45% by weight or less, based on the total weight of the wrapping paper.
  • the filler is preferably 15% by weight or more and 45% by weight or less.
  • the filler is preferably 25% by weight or more and 45% by weight or less.
  • the filler calcium carbonate, titanium dioxide, kaolin, etc. can be used, but it is preferable to use calcium carbonate from the viewpoint of enhancing flavor and whiteness, etc.
  • auxiliary agents other than the base paper and fillers may be added to the wrapping paper.
  • a water resistance improver may be added to the wrapping paper to improve water resistance.
  • the water resistance improver may include a wet strength agent (WS agent) and a sizing agent.
  • the wet strength agent may include, for example, urea formaldehyde resin, melamine formaldehyde resin, polyamide epichlorohydrin (PAE), etc.
  • PAE polyamide epichlorohydrin
  • the sizing agent may include, for example, rosin soap, alkyl ketene dimer (AKD), alkenyl succinic anhydride (ASA), and highly saponified polyvinyl alcohol with a saponification degree of 90% or more.
  • a paper strength agent may be added to the wrapping paper as an auxiliary agent.
  • the paper strength agent may include, for example, polyacrylamide, cationic starch, oxidized starch, CMC, polyamide epichlorohydrin resin, polyvinyl alcohol, etc.
  • a coating agent may be added to at least one of the front and back surfaces of the wrapping paper.
  • a coating agent that can form a film on the surface of the paper and reduce liquid permeability is preferred.
  • coating agents include alginic acid and its salts (e.g., sodium salts), polysaccharides such as pectin, cellulose derivatives such as ethyl cellulose, methyl cellulose, carboxymethyl cellulose, and nitrocellulose, starch and its derivatives (e.g., ether derivatives such as carboxymethyl starch, hydroxyalkyl starch, and cationic starch, and ester derivatives such as starch acetate, starch phosphate, and starch octenyl succinate).
  • alginic acid and its salts e.g., sodium salts
  • polysaccharides such as pectin
  • cellulose derivatives such as ethyl cellulose, methyl cellulose, carboxymethyl cellulose, and nitrocellulose
  • the tip plug 112 is located at the tip of the flavor generating article 100 and is configured to cover the end of the flavor source 221. This prevents the flavor source 221 from falling out of the flavor generating article 100.
  • the tip plug 112 includes a first filler 211 and a first inner plug wrap 212 that wraps the first filler 211.
  • the tip plug 112 may further include an aerosol source supported by the first filler 211.
  • the material of the first inner plug wrap 212 is not particularly limited, and any known material can be used.
  • the first inner plug wrap 212 may contain a filler such as calcium carbonate.
  • the thickness of the first inner plug wrap 212 is not particularly limited, and is usually 20 ⁇ m to 140 ⁇ m, preferably 30 ⁇ m to 130 ⁇ m, and more preferably 30 ⁇ m to 120 ⁇ m.
  • the basis weight of the first inner plug wrap 212 is not particularly limited, and is usually 20 gsm to 100 gsm, preferably 22 gsm to 95 gsm, and more preferably 23 gsm to 90 gsm.
  • the first inner plug wrap 212 may be coated or uncoated, but is preferably coated with a desired material from the viewpoint of imparting functions other than strength and structural rigidity.
  • the flavor generating article 100 preferably has a downstream section 130 disposed downstream of the flavor source 221.
  • the downstream section 130 can cool and filter the vapor or aerosol generated in the flavor source 221.
  • the downstream section 130 preferably includes a filter plug 250. This allows the filter plug 250 to cool and filter the vapor or aerosol generated in the flavor source.
  • the filter plug 250 is located at the end of the flavor generating article 100 on the mouth side.
  • the filter plug 250 includes a second filler 251 and a second inner plug wrap 252 around which the second filler 251 is wrapped.
  • the filter material used in the second filler 251 is not particularly limited as long as it has a general filter function.
  • General functions of a filter include, for example, adjusting the amount of air mixed in when inhaling aerosols, reducing flavor, and reducing nicotine and tar, but it is not necessary for the filter material used in the second filler 251 to have all of these functions.
  • electrically heated tobacco products which tend to generate fewer components and have a lower tobacco filler filling rate compared to cigarette products, one of the important functions is to suppress the filtering function while preventing the tobacco filler from falling.
  • the shape of the filter plug 250 in a cross section perpendicular to the longitudinal direction is substantially circular.
  • the diameter of the circle can be changed as appropriate to suit the size of the product, but is usually 4.0 mm to 9.0 mm, preferably 4.5 mm to 8.5 mm, and more preferably 5.0 mm to 8.0 mm. If the cross section of the filter plug 250 is not circular, the above diameter applies to the diameter of a circle having the same area as the area of the cross section.
  • the circumference of the filter plug 250 in a cross section perpendicular to the longitudinal direction can be changed as appropriate to suit the size of the product, but is usually 14.0 mm or more and 27.0 mm or less, preferably 15.0 mm or more and 26.0 mm or less, and more preferably 16.0 mm or more and 25.0 mm or less.
  • the length of the filter plug 250 in the longitudinal direction can be changed as appropriate to suit the size of the product, but is usually 15 mm to 35 mm, preferably 17.5 mm to 32.5 mm, and more preferably 20.0 mm to 30.0 mm.
  • the shape and dimensions of the filter medium used in the second filler 251 can be adjusted as appropriate so that the shape and dimensions of the filter plug 250 are within the above ranges.
  • the filter medium constituting the second filler 251 of the filter plug 250 may be, for example, one manufactured by the manufacturing method described below, or a commercially available product.
  • the form of the filter plug 250 is not particularly limited, and it may be a plain filter including a single filter segment, or a multi-segment filter including multiple filter segments, such as a dual filter or triple filter.
  • the filter plug 250 can be manufactured by a known method. For example, when a synthetic fiber such as cellulose acetate tow is used as the material for the second filler 251, the filter plug 250 can be manufactured by spinning a polymer solution containing a polymer and a solvent and then crimping the polymer solution. For example, the method described in International Publication No. 2013/067511 can be used as the method. In manufacturing the filter plug 250, the air resistance and the additives added to the second filler 251 (known adsorbents and fragrances (e.g., menthol), granular activated carbon, fragrance retention materials, etc.) can be appropriately designed.
  • adsorbents and fragrances e.g., menthol
  • granular activated carbon e.g., fragrance retention materials, etc.
  • the form of the second filler 251 constituting the filter plug 250 is not particularly limited, and a known form may be adopted.
  • cellulose acetate tow processed into a cylindrical shape can be used as the second filler 251.
  • the single thread fineness and total fineness of the cellulose acetate tow are not particularly limited, but in the case of a filter plug 250 with a circumference of 22 mm, the single thread fineness is preferably 5 g/9000 m or more and 12 g/9000 m or less, and the total fineness is preferably 12000 g/9000 m or more and 35000 g/9000 m or less.
  • Examples of the cross-sectional shape of the fiber of the cellulose acetate tow include a circular shape, an elliptical shape, a Y-shape, an I-shape, and an R-shape.
  • a filter filled with cellulose acetate tow 5% by weight or more and 10% by weight or less of triacetin may be added to the cellulose acetate tow weight to improve the filter hardness.
  • a paper filter filled with sheet-like pulp paper may be used instead of the acetate filter.
  • the density of the second filling material 251 is not particularly limited, but is usually 0.10 g/cm 3 or more and 0.25 g/cm 3 or less, preferably 0.11 g/cm 3 or more and 0.24 g/cm 3 or less, and more preferably 0.12 g/cm 3 or more and 0.23 g/cm 3 or less.
  • the filter plug 250 may include a second inner plug wrap 252 (wrap paper) around which the second filler 251 described below is wrapped, from the viewpoint of improving strength and structural rigidity.
  • the form of the second inner plug wrap 252 is not particularly limited, and may include one or more rows of seams containing adhesive.
  • the adhesive is not particularly limited, but may include a vinyl acetate adhesive or a hot melt adhesive, and the hot melt adhesive may further include polyvinyl alcohol.
  • the second inner plug wrap 252 is wrapped around these two or more segments together.
  • the material of the second inner plug wrap 252 is not particularly limited, and may be a known material, and may contain a filler such as calcium carbonate.
  • the thickness of the second inner plug wrap 252 is not particularly limited, and is usually 20 ⁇ m to 140 ⁇ m, preferably 30 ⁇ m to 130 ⁇ m, and more preferably 30 ⁇ m to 120 ⁇ m.
  • the basis weight of the second inner plug wrap 252 is not particularly limited, and is usually 20 gsm to 100 gsm, preferably 22 gsm to 95 gsm, and more preferably 23 gsm to 90 gsm.
  • the second inner plug wrap 252 may be coated or uncoated, but is preferably coated with a desired material from the viewpoint of imparting functions other than strength and structural rigidity.
  • the hollow filter 240 and the filter plug 250 may be connected, for example, by an outer plug wrap 260 (outer wrapping paper).
  • the outer plug wrap 260 may be, for example, a cylindrical piece of paper.
  • the second filler 251 may include a crushable additive release container (e.g., a capsule) that includes a crushable shell such as gelatin.
  • a crushable additive release container e.g., a capsule
  • the form of the capsule also referred to in the art as an "additive release container”
  • a crushable additive release container that includes a crushable shell such as gelatin may be adopted.
  • a liquid or substance usually a flavoring agent
  • the capsule may have any shape, and may be, for example, a frangible capsule, and preferably has a spherical shape.
  • the additive contained in the capsule may include any of the additives described above, and preferably includes flavorings and activated carbon. One or more materials that help filter smoke may also be added as additives.
  • the additive may have any shape, and is usually a liquid or solid.
  • the use of capsules containing additives is well known in the art.
  • Frangible capsules and methods for producing them are well known in the art.
  • the flavoring may be, for example, menthol, spearmint, peppermint, fenugreek, clove, medium chain triglyceride (MCT), or the like.
  • the flavoring may be menthol, or menthol, or the like, or a combination thereof.
  • a flavoring may be added to the second filler 251.
  • the amount of flavoring delivered during use is increased compared to the conventional technology of adding a flavoring to the tobacco filler that constitutes the tobacco rod.
  • the degree of increase in the amount of flavoring delivered is further increased depending on the position of the ventilation hole provided in the hollow tube portion 132 described below.
  • the amount of flavoring added to the second filler 251 can be 10 to 100% by volume of the second filler 251.
  • the flavoring may be added to the second filler 251 in advance before the filter segment is constructed, or after the filter cigarette is constructed.
  • the type of the flavoring is not particularly limited, and examples of flavorings from the viewpoint of imparting a good flavor include acetanisole, acetophenone, acetylpyrazine, 2-acetylthiazole, alfalfa extract, amyl alcohol, amyl butyrate, trans-anethole, star anise oil, apple juice, Peru balsam oil, beeswax absolute, benzaldehyde, benzoin resinoid, benzyl alcohol, benzyl benzoate, benzyl phenylacetate, benzyl propionate, 2,3-butanedione, 2-butanol, butyl butyrate, butyric acid, caramel, cardamom oil, carob oil, etc.
  • the filter plug 250 of this embodiment includes a second filler 251, and activated carbon may be added to at least a part of the second filler 251.
  • the amount of activated carbon added may be 15.0 m 2 /cm 2 or more and 80.0 m 2 /cm 2 or less in one flavor generating article 100 as a value of the specific surface area of activated carbon ⁇ the weight of activated carbon / the cross-sectional area of the second filler 251 in the direction perpendicular to the air flow direction.
  • the above-mentioned "specific surface area of activated carbon ⁇ the weight of activated carbon / the cross - sectional area of the second filler 251 in the direction perpendicular to the air flow direction” may be expressed as "the surface area of activated carbon per unit cross-sectional area.”
  • This surface area of activated carbon per unit cross-sectional area can be calculated based on the specific surface area of activated carbon added to the second filler 251 of one flavor generating article 100, the weight of the added activated carbon, and the cross-sectional area of the second filler 251.
  • activated carbon may not be uniformly dispersed in the filter medium to which it is added, and it is not required that the above range be satisfied in all cross sections (cross sections perpendicular to the air flow direction) of the filter medium.
  • the components generated by heating can be delivered to the user in a desired amount, and the user can be given a desired flavor sensation. If the surface area of the activated carbon per unit cross-sectional area is smaller than the lower limit of the above range, the effect of adding the activated carbon cannot be fully obtained. On the other hand, if the surface area of the activated carbon per unit cross-sectional area is larger than the upper limit of the above range, the components generated by heating are reduced more than necessary.
  • the surface area of the activated carbon per unit cross-sectional area is more preferably 17.0 m 2 /cm 2 or more, and even more preferably 35.0 m 2 /cm 2 or more. On the other hand, it is more preferably 77.0 m 2 /cm 2 or less, and even more preferably 73.0 m 2 /cm 2 or less.
  • the surface area of activated carbon per unit cross-sectional area can be adjusted, for example, by adjusting the specific surface area of the activated carbon, the amount of activated carbon added, and the cross-sectional area of the second filler 251 in a direction perpendicular to the air flow direction.
  • the calculation of the surface area of activated carbon per unit cross-sectional area is based on the filter medium to which activated carbon has been added. If the filter plug 250 is made up of multiple filter mediums, the cross-sectional area and length of only the filter medium to which activated carbon has been added are used as the basis.
  • activated carbon examples include activated carbon made from raw materials such as wood, bamboo, coconut shells, walnut shells, and coal.
  • Activated carbon that can be used in this embodiment has a BET specific surface area of 1100 m 2 /g or more and 1600 m 3 /g or less, preferably 1200 m 3 /g or more and 1500 m 3 /g or less, and more preferably 1250 m 3 /g or more and 1380 m 3 /g or less.
  • the BET specific surface area can be determined by a nitrogen gas adsorption method (BET multipoint method).
  • the activated carbon that can be used in this embodiment has a pore volume of 400 ⁇ L/g or more and 800 ⁇ L/g or less, more preferably 500 ⁇ L/g or more and 750 ⁇ L/g or less, and even more preferably 600 ⁇ L/g or more and 700 ⁇ L/g or less.
  • the pore volume can be calculated from the maximum adsorption amount obtained using the nitrogen gas adsorption method.
  • the amount of activated carbon added per unit length in the air passage direction of the second filler 251 to which activated carbon has been added is preferably 5 mg/cm to 50 mg/cm, more preferably 8 mg/cm to 40 mg/cm, and even more preferably 10 mg/cm to 35 mg/cm.
  • the surface area of the activated carbon per unit cross-sectional area can be adjusted as desired.
  • the activated carbon usable in this embodiment preferably has a cumulative 10% by volume particle diameter (particle diameter D10) of 250 ⁇ m or more and 1200 ⁇ m or less.
  • the cumulative 50% by volume particle diameter (particle diameter D50) of the activated carbon particles is preferably 350 ⁇ m or more and 1500 ⁇ m or less.
  • D10 and D50 are measured by a laser diffraction scattering method.
  • An example of an apparatus suitable for this measurement is the laser diffraction/scattering type particle size distribution measuring apparatus "LA-950" manufactured by Horiba, Ltd. A powder is poured into the cell of this apparatus together with pure water, and the particle diameter is detected based on the light scattering information of the particles.
  • the measurement conditions using this apparatus are as follows.
  • Measurement mode Manual flow-mode cell
  • Measurement dispersion medium Ion-exchanged water Dispersion method: Measured after 1 minute of ultrasonic irradiation Refractive index: 1.92-0.00i (sample refractive index) / 1.33-0.00i (dispersion medium refractive index) Number of measurements: Measure twice using different samples
  • the filter plug 250 may be, for example, a commercially available product.
  • the form of the filter plug 250 is not particularly limited, and may be a filter including a single filter segment, or a multi-segment filter including multiple filter segments such as a dual filter or triple filter.
  • the second filler 251 to which activated carbon is added becomes the filter plug 250 as it is.
  • the second filler 251 made of the filter medium to which activated carbon is added is placed upstream of the filter medium that constitutes the mouth end.
  • activated carbon may be added to the filter medium that constitutes the mouth end.
  • the length of the filter segment that is the basis for the amount of activated carbon added is the length of the filter medium to which activated carbon is added.
  • the amount of activated carbon added is, for example, 4.0 mg or more and 24.0 mg or less, preferably 4.5 mg or more and 23.0 mg or less, and more preferably 10.5 mg or more and 22.0 mg or less, in terms of weight relative to the entire filter segment.
  • the downstream section 130 may further include a hollow tube section 132 and a hollow filter 240.
  • the hollow filter 240 is disposed adjacent to the downstream of the hollow tube section 132.
  • the hollow filter 240 includes a filter material 241 and a third inner plug wrap 242 around which the filter material 241 is wound.
  • the third inner plug wrap 242 may be the same as the plug wrap used in cigarettes.
  • the third inner plug wrap 242 may be omitted.
  • the hollow filter 240 may also be omitted.
  • the hollow filter 240 may include a filter medium 241 having one or more hollow portions, and a third inner plug wrap 242 that covers the filter medium 241.
  • the hollow filter 240 has a function of increasing the strength of the downstream portion 130.
  • the filter medium 241 may be, for example, a rod with an inner diameter of ⁇ 1.0 mm to ⁇ 5.0 mm, which is densely packed with cellulose acetate fibers and hardened by adding a plasticizer containing triacetin at a ratio of 6 mass% to 20 mass% based on the mass of cellulose acetate. Since the filter medium 241 has a high fiber packing density, air and aerosols flow only through the hollow portions during inhalation, and hardly flow inside the filter medium 241. Since the filter medium 241 inside the hollow filter 240 is a fiber-packed layer, the feel from the outside during use is unlikely to cause discomfort to the user.
  • the hollow filter 240 may include a third inner plug wrap 242 (rolling paper) around which the filter material 241 is wrapped, from the viewpoint of improving strength and structural rigidity.
  • the form of the third inner plug wrap 242 is not particularly limited, and may include one or more rows of seams containing adhesive.
  • the type of adhesive is not particularly limited, but may include a vinyl acetate adhesive and a hot melt adhesive.
  • the hot melt adhesive may include polyvinyl alcohol.
  • the hollow filter 240 is made up of two or more segments, it is preferable that the third inner plug wrap 242 is wound around these two or more segments together.
  • the material of the third inner plug wrap 242 is not particularly limited, and may be a known material, and may contain a filler such as calcium carbonate.
  • the thickness of the third inner plug wrap 242 is not particularly limited, and is usually 20 ⁇ m to 140 ⁇ m, preferably 30 ⁇ m to 130 ⁇ m, and more preferably 30 ⁇ m to 120 ⁇ m.
  • the basis weight of the third inner plug wrap 242 is not particularly limited, and is usually 20 gsm to 100 gsm, preferably 22 gsm to 95 gsm, and more preferably 23 gsm to 90 gsm.
  • the third inner plug wrap 242 may be coated or uncoated, but is preferably coated with a desired material from the viewpoint of imparting functions other than strength and structural rigidity.
  • the hollow tube section 132 is sandwiched adjacent to the flavor generating section 220 and the hollow filter 240 or the filter plug 250 (if the hollow filter 240 is not present), and is usually a rod-shaped member with a cavity in which the circumferential cross section of the cylinder or the like is hollow (hollow).
  • the length of the long axis direction of the hollow tube section 132 can be changed appropriately according to the size of the product, but is usually 15 mm or more, preferably 20 mm or more, and usually 40 mm or less, preferably 35 mm or less, and more preferably 30 mm or less.
  • the length of the long axis direction of the hollow tube section 132 By setting the length of the long axis direction of the hollow tube section 132 to the above lower limit or more, a sufficient cooling effect can be ensured to obtain a good flavor, and by setting it to the above upper limit or less, loss due to the generated steam and aerosol adhering to the inner wall of the hollow tube section 132 can be suppressed.
  • the total surface area of the hollow tube 132 is not particularly limited and can be, for example, 300 mm2 /mm or more and 1000 mm2 /mm or less. This surface area is the surface area per mm of the length in the air passage direction of the hollow tube 132.
  • the total surface area of the hollow tube 132 is preferably 400 mm2 /mm or more, more preferably 450 mm2 /mm or more, while it is preferably 600 mm2 /mm or less, and more preferably 550 mm2 /mm or less.
  • hollow tube 132 may be formed from a thin sheet of material that is wrinkled to form channels, and then pleated, gathered, and folded. The more folds or pleats there are in hollow tube 132, the greater the total surface area of hollow tube 132.
  • the thickness of the material from which hollow tube 132 is made is not particularly limited and may be, for example, 5 ⁇ m to 500 ⁇ m, or 10 ⁇ m to 250 ⁇ m.
  • the hollow tube section 132 may be provided with a circumferential and concentric air vent vf (also referred to as a ventilation filter in this technical field).
  • the presence of the air vent vf allows air to flow into the hollow tube section 132 from the outside during use, lowering the temperature of the components and air flowing in from the flavor generating section 220.
  • the air vent vf may be provided in an area of 4 mm or more toward the hollow tube section 132 from the boundary between the hollow tube section 132 and the hollow filter 240 or the filter plug 250 (when the hollow filter 240 is not present).
  • the air vent vf not only improves the cooling capacity of the hollow tube section 132, but also suppresses the retention of components generated by heating in the hollow tube section 132, thereby improving the delivery amount of the components.
  • the vapor containing the aerosol base material and tobacco flavor components that is generated by heating the flavor generating article 100 comes into contact with air from the outside and is cooled, resulting in liquefaction, which can promote the generation of the aerosol.
  • the opening group may be one or may be two or more.
  • the tipping paper 270 has an opening located directly above the ventilation hole vf provided in the hollow tube portion 132.
  • the region where the ventilation holes vf exist is preferably a region of 4.5 mm or more from the boundary between the hollow tube section 132 and the hollow filter 240 or the filter plug 250 (when the hollow filter 240 is not present) toward the hollow tube section 132 side, more preferably a region of 5 mm or more, and even more preferably a region of 5.5 mm or more. Furthermore, from the viewpoint of ensuring cooling function, the region where the ventilation holes vf exist is preferably a region of 15 mm or less from the boundary toward the hollow tube section 132 side, more preferably a region of 10 mm or less, and even more preferably a region of 7 mm or less.
  • the region in which the ventilation holes vf exist is preferably a region of 24 mm or more from the mouth end (second end 102) of the flavor generating article 100 in the direction toward the hollow tube portion 132, preferably a region of 24.5 mm or more, preferably a region of 25 mm or more, and more preferably a region of 25.5 mm or more. Also, from the viewpoint of ensuring a cooling function, the region in which the ventilation holes vf exist is preferably a region of 35 mm or less from the mouth end of the flavor generating article 100 in the direction toward the hollow tube portion 132, more preferably a region of 30 mm or less, and even more preferably a region of 27 mm or less.
  • the region in which the vent hole vf exists is preferably a region of 5 mm or more from the boundary between the hollow tube section 132 and the flavor generating section 220 toward the hollow tube section 132 side, from the viewpoint of ensuring the cooling function, more preferably a region of 10 mm or more, and even more preferably a region of 13 mm or more.
  • the region in which the vent hole vf exists is preferably a region of 16 mm or less from the boundary between the hollow tube section 132 and the flavor generating section 220, more preferably a region of 15.5 mm or less, even more preferably a region of 15 mm or less, and especially preferably a region of 14.5 mm or less, from the viewpoint of improving the delivery of the components generated by heating.
  • the ventilation holes vf can be provided so that the air inflow rate from the ventilation holes vf when inhaling at 17.5 ml/sec with an automatic smoking machine (the volumetric rate of air inflowing from the ventilation holes vf when the volumetric rate of air inhaled from the mouth end is taken as 100%) is 10 to 90 volume percent, preferably 50 to 80 volume percent, and more preferably 55 to 75 volume percent.
  • Such an air inflow rate can be achieved, for example, by selecting the number of ventilation holes vf per opening group from the range of 5 to 50, and selecting the diameter of the ventilation holes vf from the range of 0.1 to 0.5 mm.
  • the above air inflow rate can be measured using a roll measuring device (for example, SODIMAX d74/SODIM manufactured by S.A.S.) in accordance with a method conforming to ISO9512.
  • the configuration of the outer plug wrap 280 is not particularly limited and may be of a general type.
  • the outer plug wrap 280 may be mainly composed of pulp.
  • Pulp may be wood pulp such as softwood pulp or hardwood pulp, flax pulp, hemp pulp, sisal pulp, esparto, or other pulp generally used in cigarette paper for tobacco articles, and the outer plug wrap 280 is obtained by papermaking one or more of these pulps. These pulps may be used alone or in combination of multiple types in any ratio.
  • Pulp may be chemical pulp obtained by kraft cooking, acidic, neutral, or alkaline sulfite cooking, soda salt cooking, or the like, ground pulp, chemi-ground pulp, thermomechanical pulp, or the like.
  • the outer plug wrap 280 may be a commercially available product.
  • the shape of the outer plug wrap 280 is not particularly limited and may be, for example, square or rectangular.
  • the basis weight of the outer plug wrap 280 is not particularly limited, but is usually 20 gsm to 70 gsm, preferably 30 gsm to 50 gsm, and more preferably 34 gsm to 38 gsm.
  • the thickness of the outer plug wrap 280 is not particularly limited, but is usually 30 mm to 80 mm, preferably 33 mm to 50 mm, and more preferably 35 mm to 40 mm.
  • the air permeability of the outer plug wrap 280 is not particularly limited, but is usually 0 Coresta units or more and 30,000 Coresta units or less, and preferably more than 0 Coresta units and 10,000 Coresta units or less.
  • the air permeability is a value measured in accordance with ISO 2965:2009, and is expressed as the flow rate (cm 3 ) of gas passing through an area of 1 cm 2 per minute when the differential pressure between both sides of the paper is 1 kPa.
  • One Coresta unit (1 Coresta unit, 1 CU) is cm 3 /(min ⁇ cm 2 ) under 1 kPa.
  • the outer plug wrap 280 may contain a filler.
  • fillers include metal carbonates such as calcium carbonate and magnesium carbonate, metal oxides such as titanium oxide, titanium dioxide, and aluminum oxide, metal sulfates such as barium sulfate and calcium sulfate, metal sulfides such as zinc sulfide, quartz, kaolin, talc, diatomaceous earth, and gypsum. It is preferable that the outer plug wrap 280 contains calcium carbonate, particularly from the viewpoint of improving whiteness and opacity and increasing the heating rate. Moreover, these fillers may be used alone or in combination of two or more types.
  • the outer plug wrap 280 may contain, for example, a water resistance improver.
  • the water resistance improver may include a wet strength agent (WS agent) and a sizing agent.
  • the wet strength agent may include, for example, urea formaldehyde resin, melamine formaldehyde resin, and polyamide epichlorohydrin (PAE).
  • the sizing agent may include, for example, rosin soap, alkyl ketene dimer (AKD), alkenyl succinic anhydride (ASA), and highly saponified polyvinyl alcohol with a saponification degree of 90% or more.
  • a coating agent may be added to at least one of the front and back surfaces of the outer plug wrap 280.
  • the coating agent There are no particular limitations on the coating agent, but a coating agent that can form a film on the surface of the paper and reduce liquid permeability is preferred.
  • the configuration of the chip paper 270 is not particularly limited and may be of a general type.
  • the chip paper 270 may be mainly composed of pulp.
  • Pulp may be wood pulp such as softwood pulp or hardwood pulp, flax pulp, hemp pulp, sisal pulp, esparto, or other pulp generally used for cigarette paper for tobacco products, and the chip paper 270 is obtained by papermaking one or more of these pulps. These pulps may be used alone or in combination of multiple types in any ratio.
  • the type of pulp may be chemical pulp, ground pulp, chemi-ground pulp, thermomechanical pulp, etc., produced by the kraft cooking method, acidic/neutral/alkaline sulfite cooking method, and soda salt cooking method.
  • the chip paper 270 may be a commercially available product.
  • the shape of the chip paper 270 is not particularly limited and may be, for example, square or rectangular. Additionally, the flavor generating article 100 may have one tipping paper 270, but may also have multiple tipping papers 270.
  • the basis weight of the tipping paper 270 is not particularly limited, but is usually 32 gsm to 40 gsm, preferably 33 gsm to 39 gsm, and more preferably 34 gsm to 38 gsm.
  • the air permeability of the tipping paper 270 is not particularly limited, but is usually 0 Coresta units to 30,000 Coresta units, and preferably more than 0 Coresta units to 10,000 Coresta units.
  • the air permeability is a value measured in accordance with ISO 2965:2009, and is expressed as the flow rate (cm 3 ) of gas passing through an area of 1 cm 2 per minute when the differential pressure between both sides of the paper is 1 kPa.
  • 1 Coresta unit (1 Coresta unit, 1 C.U.) is cm 3 /(min ⁇ cm 2 ) under 1 kPa.
  • the chip paper 270 may contain a filler.
  • fillers include metal carbonates such as calcium carbonate and magnesium carbonate, metal oxides such as titanium oxide, titanium dioxide, and aluminum oxide, metal sulfates such as barium sulfate and calcium sulfate, metal sulfides such as zinc sulfide, quartz, kaolin, talc, diatomaceous earth, and gypsum. It is particularly preferable that the chip paper 270 contains calcium carbonate from the viewpoints of improving whiteness and opacity and increasing the heating rate. Furthermore, these fillers may be used alone or in combination of two or more types.
  • the chip paper 270 may contain, for example, a water resistance improver.
  • the water resistance improver may include a wet strength agent (WS agent) and a sizing agent.
  • the wet strength agent may include, for example, urea formaldehyde resin, melamine formaldehyde resin, and polyamide epichlorohydrin (PAE).
  • the sizing agent may be, for example, rosin soap, alkyl ketene dimer (AKD), alkenyl succinic anhydride (ASA), and highly saponified polyvinyl alcohol with a saponification degree of 90% or more.
  • a coating agent may be added to at least one of the front and back surfaces of the tipping paper 270.
  • the coating agent There are no particular limitations on the coating agent, but a coating agent that can form a film on the surface of the paper and reduce the permeability to liquids is preferred.
  • a part of the outer surface of the tipping paper 270 may be covered with a lip release material.
  • the lip release material means a material that helps the lips and the tipping paper 270 to easily separate without substantial adhesion when the user holds the mouthpiece of the flavor generating article 100 in the mouth.
  • the lip release material may contain, for example, ethyl cellulose or methyl cellulose.
  • the outer surface of the tipping paper 270 may be coated with the lip release material by applying an ethyl cellulose-based or methyl cellulose-based ink to the outer surface of the tipping paper 270.
  • the lip release material is provided at least in a predetermined mouthpiece area that comes into contact with the lips of the user when the user holds the mouthpiece in the mouth. More specifically, the lip release material may be provided on the outer surface of the tipping paper 270 between the mouthpiece end (the end of the filter plug 250) and the vent hole vf.
  • each element constituting the flavor generating article 100 will be described.
  • gaps are provided between the elements to make it easier to see how they are connected, but in the actual flavor generating article 100, as shown in FIG. 5, the elements are adjacent to each other without any gaps.
  • the five elements are connected using the outer plug wrap 280, the outer plug wrap 260, and the tipping paper 270.
  • the outer plug wrap 280 connects the tip plug 112, the flavor generating section 220, and the hollow tube section 132.
  • the outer plug wrap 280 is wrapped around the tip plug 112 and the entire flavor generating section 220, and a part of the hollow tube section 132 to cover them.
  • This connected body is called the first connected body 285.
  • the outer plug wrap 260 connects the hollow filter 240 and the filter plug 250 by wrapping them around them to cover them.
  • This connecting body is called the second connecting body 265.
  • the tipping paper 270 connects the first connecting body 285 and the second connecting body 265.
  • the tipping paper 270 covers the entire second connecting body 265 and a part of the first connecting body 285, and exposes the first connecting body 285 at the upstream end.
  • the outer plug wrap 280 does not cover the downstream end of the hollow tube portion 132, leaving the hollow tube portion 132 exposed at the downstream end, but it may cover the downstream end of the hollow tube portion 132.
  • the outer plug wrap 280 has an opening at a position directly above the ventilation hole vf provided in the hollow tube portion 132.
  • the ventilation hole vf is provided so as to penetrate the tipping paper 270, the outer plug wrap 280, and the hollow tube portion 132.
  • FIG. 6 is an exploded perspective view of a flavor generating article 100 according to another embodiment.
  • the flavor generating article 100 shown in FIG. 6 differs from the flavor generating article 100 shown in FIG. 4 and FIG. 5 only in the manner of connection.
  • the five components are connected using an outer plug wrap 280, an outer plug wrap 260, and tipping paper 270.
  • the outer plug wrap 280 connects the tip plug 112 and the flavor generating section 220 by wrapping them so as to cover them entirely.
  • This connection body is called a first connection body 285.
  • the outer plug wrap 260 connects the hollow filter 240 and the filter plug 250 by wrapping them so as to cover them entirely.
  • connection body is called a second connection body 265.
  • the tipping paper 270 connects the first connection body 285, the hollow tube section 132, and the second connection body 265.
  • the tipping paper 270 covers the entire hollow tube portion 132 and the second connecting body 265, and a part of the first connecting body 285, and exposes the first connecting body 285 at the upstream end.
  • Five components may be connected in the form shown in FIG. 6.
  • the outer plug wrap 280 covers the flavor generating section 220 up to the downstream end, but the flavor generating section 220 may not be covered up to the downstream end of the flavor generating section 220 and may be exposed at the downstream end.
  • a part of the flavor generating article 100 may be exposed to the outside of the flavor inhaler 200.
  • all or a part of the second connector 265 shown in FIG. 4 or FIG. 6 may be exposed to the outside of the flavor inhaler 200.
  • a part of the hollow tube section 132 shown in FIG. 4 or FIG. 6 may be exposed to the outside of the flavor inhaler 200.
  • the vent hole vf formed in the hollow tube section 132 may be exposed to the outside of the flavor inhaler 200, or may be located inside the flavor inhaler 200 (upstream of the opening 210 through which the flavor generating article 100 is inserted). It is preferable that the vent hole vf formed in the hollow tube section 132 is located inside the flavor inhaler 200, since the vent hole vf is less likely to be blocked by the user.
  • the flavor generating article 100 includes a first segment 11, a flavor generating segment 12, a cooling segment 13, and a second segment 14.
  • the flavor generating article 100 includes a first end 101 that is inserted into the flavor inhaler 200, and a second end 102 opposite the first end 101.
  • the flavor generating article 100 extends in the longitudinal direction along the central axis AX, and the first end 101 and the second end 102 are formed at both ends along the longitudinal direction.
  • the "radial direction” and the “circumferential direction” refer to the radial direction and the circumferential direction of a rotating coordinate system with the central axis AX as its axis.
  • the first segment 11, the flavor generating segment 12, the cooling segment 13, and the second segment 14 are arranged in this order from the first end 101 to the second end 102.
  • the first segment 11 has a tip plug 112.
  • the flavor generating segment 12 has a flavor generating section 220.
  • the cooling segment 13 has a hollow tube section 132.
  • the second segment 14 has a filter plug 250 arranged on the second end 102 side and a hollow filter 240 arranged on the first end 101 side. Note that the position of the filter plug 250 is not limited to the position shown in FIG. 5, and for example, the positions of the filter plug 250 and the hollow filter 240 may be interchanged. In addition, in the flavor generating article 100 shown in FIG. 5, either the filter plug 250 or the hollow filter 240 may be omitted, or the second segment 14 may include three or more filters.
  • the first end 101 is inserted into the chamber 50, and the flavor generating article 100 is positioned at a desired position in the chamber 50.
  • the desired position is a position where the flavor generating segment 12 can be heated, for example, a position where the heater constituting the heating source 40 and the flavor generating segment 12 overlap in the longitudinal direction.
  • the flavor generating segment 12 is then heated, and the user inhales from the second end 102.
  • FIG. 7 is an enlarged cross-sectional view showing the atomizing section 30 and the control section 80 when the flavor generating article 100 is accommodated at a desired position in the flavor inhaler 200. Note that FIG. 7 shows the flavor generating article 100 in a simplified form.
  • the flavor source 221 has a first portion 122 that overlaps with the heating source 40 of the flavor inhaler 200 in the longitudinal direction of the flavor generating article 100 and a second portion 123 that does not overlap with the heating source 40 of the flavor inhaler 200.
  • the first portion 122 is directly heated by the heating source 40 to generate steam or aerosol
  • the second portion 123 is heated by heat transfer from the heating source 40 to generate steam or aerosol.
  • the second portion 123 is heated by heat transfer from the first portion 122, which was heated earlier, and by heat transfer from components such as the chamber 50 of the flavor inhaler 200, which are heated by the heating source 40.
  • the longitudinal length of the first portion 122 is set to 40% to 60% of the longitudinal length of the flavor source 221 and to 10 mm or less, vapor or aerosol can also be generated from the second portion 123, so that the desired amount of vapor can be ensured even if the length of the heating source 40 is shorter than the length of the flavor source 221.
  • the second portion 123 is heated later than the first portion 122, and vapor or aerosol is generated even during the latter puffing action, so that stable delivery can be maintained during use of the flavor inhaler 200.
  • the longitudinal length of the heating source 40 overlapping with the first portion 122 is the same as the longitudinal length of the first portion 122, is 40% to 60% of the longitudinal length of the flavor source 221, and is 10 mm or less. In this way, by making the heating source 40 shorter than the overall length of the flavor source 221, the power consumption of the flavor inhaler 200 can be reduced.
  • the first portion 122 includes the downstream end of the flavor source 221.
  • the flavor source 221 is composed of the first portion 122 arranged on the downstream side and the second portion 123 arranged on the upstream side, and the second portion 123 does not exist downstream of the first portion 122. Therefore, it is possible to prevent the vapor or aerosol generated in the flavor source 221 from condensing in the second portion 123, which is not directly heated by the heating source 40.
  • the first segment 11 is a segment disposed on the first end 101 side of the flavor generating segment 12.
  • the first segment 11 preferably extends from the first end 101 to the end of the flavor generating segment 12 on the first end 101 side.
  • the first segment 11 has a tip plug 112 including a first filler 211 and a first inner plug wrap 212.
  • the first segment 11 preferably does not have a hole or slit for inserting a heater such as a pin-type heater. This reduces the risk of steam leaking from the first segment 11 when using the flavor generating article 100 with the external heating type flavor inhaler 200.
  • the introduction of air near the center of the first segment 11, which is not directly heated, may reduce the delivery of flavor components, especially in the early stages of heating, but this can reduce such a risk.
  • the filler material may be composed of a fibrous or porous material.
  • the tip plug 112 constituting the first segment 11 is preferably solid.
  • the space connecting the first end 101 side and the second end 102 side of the first segment 11 is filled with a first filler 211. This reduces the risk of steam leaking from the first segment 11 and the risk of reduced delivery of flavor components, as described above.
  • FIG. 8 is a cross-sectional view taken along line b-b in FIG. 5, and is a cross-sectional view of the first segment 11 perpendicular to the longitudinal direction.
  • the inside of the cylindrical first inner plug wrap 212 forms an internal space SP1 that connects the first end 101 side and the second end 102 side of the first segment 11.
  • the internal space SP1 is filled with a first filler material 211.
  • the first segment 11 closes the internal space SP1, preventing the flavor source 221 and other components arranged in the flavor generating segment 12 from falling out of the first end 101.
  • the airflow resistance per segment of the first segment 11 is referred to as the first airflow resistance.
  • the airflow resistance is measured according to the ISO standard method (ISO6565:2015) using, for example, a filter airflow resistance meter manufactured by Cerulean.
  • the airflow resistance refers to the air pressure difference between the first end face and the second end face when air is flowed at a predetermined air flow rate (17.5 cc/min) from one end face (first end face) to the other end face (second end face) in a state where air does not pass through the side of the object.
  • the first airflow resistance is lower than the airflow resistance per segment of the flavor generating segment 12. This makes it possible to provide a flavor generating article 100 that allows a user to easily inhale while allowing more flavor sources 221 to be placed therein, even if no holes or slits for inserting a heater are formed on the end surface of the flavor generating article 100.
  • the airflow resistance per segment of the second segment 14 is referred to as the second airflow resistance.
  • the first airflow resistance is preferably lower than the second airflow resistance. If the first airflow resistance is high, the second segment 14 including the filter plug 250 and the flavor generating segment 12 including the cut tobacco or the like may also have a relatively high airflow resistance, so that the airflow resistance of the entire flavor generating article 100 becomes too high, making it difficult for the user to inhale. In this case, if an attempt is made to lower the airflow resistance of the entire flavor generating article 100 by lowering the second airflow resistance of the second segment 14, it may become difficult to adjust the filter capacity of the filter arranged in the second segment 14. By making the first airflow resistance lower than the second airflow resistance, the occurrence of these problems can be suppressed.
  • the first airflow resistance is preferably 50 mmH 2 O or less, more preferably 40 mmH 2 O or less, even more preferably 30 mmH 2 O or less, and even more preferably 20 mmH 2 O or less. If the first airflow resistance is small, the user can inhale easily. If the first airflow resistance is too small, there is an increased risk that steam will leak from the first segment 11, or that the delivery of flavor components will decrease at the beginning of heating or the like due to the introduction of air into a portion of the first segment 11 that is not directly heated. From this perspective, the first airflow resistance is preferably greater than 0 mmH 2 O and greater than or equal to 10 mmH 2 O. In view of the above, the first airflow resistance is preferably greater than 0 mmH 2 O and less than or equal to 50 mmH 2 O.
  • the ratio of the first airflow resistance to the airflow resistance of the entire length of the flavor generating article 100 is preferably 30% or less, and more preferably 25% or less. If this ratio is low, it becomes easier to adjust the amount of flavor source 221 and the filter capacity of the filter plug 250, etc., arranged in the second segment 14.
  • total length refers to the length along the longitudinal direction of the flavor generating article 100.
  • the first filler 211 of the first segment 11 contains at least one of cellulose acetate, paper, and nonwoven fabric. This allows the first segment 11 to be easily manufactured while adjusting the first airflow resistance. From the same viewpoint and from the viewpoint of environmental protection, it is more preferable that the first filler 211 contains paper.
  • the paper contained in the first filler 211 is preferably glassine paper, since it can be neatly folded during crimping or the like, is thin, and can be formed with reduced airflow resistance.
  • crimping is a process in which a sheet is passed between multiple rollers to form creases and unevenness in the sheet, and the hardness and airflow resistance of the sheet can be changed.
  • the first segment 11 is filled with a sheet-like first filler 211.
  • the sheet-like first filler 211 is arranged to extend in the longitudinal direction of the flavor-generating article 100 and is arranged radially with respect to the central axis AX. By configuring in this manner, the first segment 11 can be easily manufactured while reducing the air flow resistance in the longitudinal direction.
  • the sheet-like first filler 211 may be arranged radially so as to be folded and extend back and forth in the radial direction. In this manner, the first filler 211 may be composed of a sheet that is shaped into a corrugated plate and folded in the direction of the wave arrangement.
  • This sheet is preferably paper.
  • the first filler 211 When such a corrugated sheet is folded in the direction of the wave arrangement so as to form a cylindrical shape as a whole, the first filler 211 is formed.
  • the first filler 211 may have a plurality of air flow passages extending in the longitudinal direction of the first filler 211 from the upstream end to the downstream end.
  • the sheet-like first filler 211 may be folded with multiple random creases extending in the longitudinal direction and placed in the first segment 11.
  • the sheet-like first filler 211 may be folded or rolled in any manner and placed in the first segment 11.
  • the method for filling the first segment 11 with the first filler 211 is not particularly limited, and for example, a nonwoven fabric cut to any size may be stuffed inside the first inner plug wrap 212.
  • the paper used as the first filler 211 may be a paper used as a paper filter for smoking articles.
  • the paper used as the first filler 211 has a thickness of, for example, 20 ⁇ m or more and 1500 ⁇ m or less, and a basis weight of, for example, 20 g/m 2 or more and 50 g/m 2 or less.
  • the paper used as the first filler 211 preferably has a rectangular shape, in which case one side may have a length substantially equal to the length of the tip plug 112, and the other side may have a length of 100 mm or more and 300 mm or less.
  • the thickness, basis weight, and size of the paper used as the first filler 211 have been described, these values refer to the values of the paper before the shaping process (for example, the process of pleating, etc.) is performed.
  • the first filler 211 is made of a material other than paper and has a sheet shape, such a first filler 211 may have the same thickness and size as the case of paper.
  • the first filler 211 may not include tobacco materials such as tobacco shreds or sheet tobacco.
  • FIG. 10 is a schematic diagram showing a method for measuring the hardness index, which is an index showing the hardness of each segment and the flavor generating article 100.
  • the following diameter ratio is used as the hardness index.
  • a load equivalent to a weight of 300 g is applied to the measurement object S1 vertically in the direction (longitudinal direction) from the first end 101 side to the second end 102 side.
  • the pressure application time is 10 seconds.
  • the arrow A10 shows a point where a force is applied downward perpendicularly to the central axis AX extending in the longitudinal direction as a load to the measurement object S1 placed on a horizontal surface.
  • This measurement is performed using a Sodim-H hardness module from Korber Technologies GmbH or the like.
  • the arithmetic mean diameter of the entire circumference of the measurement object S1 about the central axis AX before the load is applied is defined as the average diameter D1.
  • the minimum diameter after the load is applied is defined as the minimum diameter D2.
  • the diameter ratio is the ratio of the minimum diameter D2 to the average diameter D1. The higher the diameter ratio, the smaller the deformation under load, meaning that the measurement object S1 is harder.
  • the hardness of the first segment 11, the flavor-generating segment 12, the cooling segment 13, and the second segment 14 may be measured while they are included in the flavor-generating product 100, or may be measured while they are separated into each segment.
  • the diameter ratio of the second segment 14 is referred to as the second diameter ratio.
  • the ratio of the second diameter ratio to the first diameter ratio is preferably 1 or more and 1.2 or less. This makes it possible to appropriately adjust the ease of gripping or productivity of the flavor generating article 100 while making the second end 102 side, which forms the mouthpiece, relatively hard to make it easier for the user to inhale.
  • the ratio of the diameter ratio of the flavor generating segment 12 to the first diameter ratio can be 0.8 or more and 1.4 or less. This prevents the difference in hardness between the first segment 11 and the flavor generating segment 12 from being too large, and further suppresses the decrease in productivity of the flavor generating article 100.
  • the total length of the first segment 11 is preferably 10 mm or less, and more preferably 8 mm or less. If the first segment 11 is short, the flavor generating article 100 can be configured compactly. If the first segment 11 is too short, it becomes difficult to manufacture the first segment 11 or to connect it to other segments, so the total length of the first segment 11 is preferably 5 mm or more. In view of the above, the total length of the first segment 11 is preferably 5 mm or more and 10 mm or less.
  • the tip plug 112 constituting the first segment 11 is manufactured to a predetermined length, and can then be cut and manufactured to any length.
  • the flavor generating segment 12 has a flavor source 221 and a cylindrical cigarette paper 222 that covers the flavor source 221.
  • the flavor source 221 is preferably filled with a third filler 300 in a space that connects the first end 101 side and the second end 102 side of the flavor generating segment 12. This allows more flavor sources 221 to be placed in the flavor generating segment 12.
  • the first tobacco filler such as tobacco shreds or the second tobacco filler such as a tobacco sheet can be filled in the flavor generating segment 12 as the third filler 300.
  • the third filler 300 When the third filler 300 is in a sheet form, the third filler 300 may be folded and placed, or may be placed concentrically around the central axis AX.
  • the filling mode is not particularly limited.
  • the flavor generating segment 12 is preferably solid.
  • the airflow resistance per segment of the flavor generating segment 12 is preferably 10 mmH 2 O or more, and more preferably 15 mmH 2 O or more. If the airflow resistance is high, more flavor sources 221 can be arranged in the flavor generating segment 120. If the airflow resistance is too high, it becomes difficult for the user to inhale, so the airflow resistance is preferably 50 mmH 2 O or less, more preferably 40 mmH 2 O or less, and even more preferably 30 mmH 2 O or less. In view of the above, the airflow resistance is preferably 10 mmH 2 O or more and 50 mmH 2 O or less.
  • the diameter ratio of the flavor-generating segment 12 is preferably 70% or more and 95% or less from the standpoint of ease of gripping the flavor-generating article 100 or productivity during manufacturing.
  • the cooling segment 13 is composed of the hollow tube portion 132 described above.
  • the ventilation hole vf is a hole for promoting the inflow of air from the outside due to the user's inhalation, and this inflow of air cools the vapor or aerosol generated in the flavor source 221.
  • the second segment 14 is a segment disposed on the second end 102 side of the flavor generating segment 12.
  • the second segment 14 includes a filter plug 250 and a hollow filter 240 aligned in the longitudinal direction, and an outer plug wrap 260 that covers the filter plug 250 and the hollow filter 240.
  • the second segment 14 can include at least one of the filter plug 250 and the hollow filter 240. This allows the hardness and airflow resistance of the second segment 14 to be adjusted more flexibly.
  • the second segment 14 is not particularly limited as long as it has a function as a filter, such as adjusting the air flow during flavor inhalation, or adjusting the amount of flavor or other impurities.
  • the second segment 14 can also function as a rear plug that prevents members located on the first end 101 side of the second segment 14 from falling.
  • the filter plug 250 has a second filler 251 and a cylindrical second inner plug wrap 252 that encases the second filler 251.
  • the second filler 251 is filled in a space that connects the first end 101 side and the second end 102 side of the filter plug 250. This improves the filter capacity compared to when the second segment 14 is composed only of a hollow filter. It is preferable that the filter plug 250 is solid. Note that a filter that does not function as a plug may be placed in the second segment 14 instead of the filter plug 250.
  • the second segment 14 is provided with a hollow filter 240, which improves the hardness of the second segment 14 that can function as a mouthpiece and reduces bending and bending.
  • the second airflow resistance which is the airflow resistance per segment of the second segment 14, can be 0 mmH 2 O or more. However, if the second airflow resistance is too low, the second segment 14 becomes soft, making it difficult to wind it during manufacturing and to connect it to other segments using the tip paper 270, so it is preferable that the second airflow resistance is 15 mmH 2 O or more.
  • the second airflow resistance is preferably 50 mmH 2 O or less, more preferably 40 mmH 2 O or less, and even more preferably 30 mmH 2 O or less. If the second airflow resistance is too high, it becomes difficult for the user to inhale. In view of the above, the second airflow resistance is preferably 0 mmH 2 O or more and 50 mmH 2 O or less.
  • the second diameter ratio which is the diameter ratio of the second segment 140, is preferably 85% or more and 95% or less from the standpoint of ease of inhalation for the user or productivity during manufacturing.
  • the flavor generating article 100 of this embodiment can be manufactured with its airflow resistance adjusted by adjusting the amount, material, or shape of the filler filled in segments such as the first segment 11 and the flavor generating segment 12.
  • the flavor generating article 100 can also be manufactured with its hardness adjusted by adjusting the amount, material, or shape of the filler filled in each segment, or by adjusting the thickness or material of the wrappers such as the first inner plug wrap 212 and the outer plug wrap 260 that are arranged to cover each segment.
  • a first aspect of the present invention is a flavor generating article that generates flavor when heated by a non-combustion heating type flavor inhaler, comprising: a first end inserted into the flavor inhaler, a second end opposite the first end, a flavor generating segment including a flavor source, a first segment arranged on the first end side of the flavor generating segment, and a second segment having a filter and arranged on the second end side of the flavor generating segment, wherein a first filler is filled in a space in the first segment that connects the first end side and the second end side of the first segment, and the airflow resistance per segment of the first segment is lower than the airflow resistance per segment of the flavor generating segment.
  • the airflow resistance per segment of the first segment is greater than 0 mmH2O and is 50 mmH2O or less.
  • the second segment has an airflow resistance per segment of 0 mmH 2 O or more and 50 mmH 2 O or less.
  • the flavor generating segment has an airflow resistance of 10 mmH2O or more and 50 mmH2O or less per segment.
  • the flavor generating article has an airflow resistance of 40 mmH 2 O or more and 400 mmH 2 O or less over its entire length.
  • the airflow resistance per segment of the first segment is 30% or less of the airflow resistance of the entire length of the flavor generating article.
  • the diameter ratio of the first segment is 70% or more and 90% or less.
  • the diameter ratio of the second segment is 85% or more and 95% or less.
  • the diameter ratio of the flavor generating segment is 70% or more and 95% or less, when the minimum diameter of the object to be measured when the load is applied to the object to the average diameter of the object before the load is applied.
  • the ratio of the diameter ratio of the second segment to the diameter ratio of the first segment is 1 or more and 1.2 or less, when the diameter ratio is the minimum diameter of the object to be measured when the load is applied to the object to the average diameter of the object before the load is applied.
  • the ratio of the diameter ratio of the flavor generating segment to the diameter ratio of the first segment is 0.8 or more and 1.4 or less.
  • the total length of the first segment is 5 mm or more and 10 mm or less.
  • the first filler of the first segment includes at least one of cellulose acetate, paper, and nonwoven fabric.
  • the first segment is filled with the first filler in a folded sheet form.
  • the second segment comprises at least one of a first filter, in which a second filler is filled in a space connecting the first end side and the second end side of the first filter, and a hollow second filter.
  • the flavor generating segment is filled with a third filler containing the flavor source in a space connecting the first end side and the second end side of the flavor generating segment.
  • the device further comprises a cooling segment disposed between the flavor generating segment and the second segment, for cooling the vapor or aerosol generated in the flavor generating segment.
  • the flavor generating article is a tobacco stick.
  • a flavor generating system comprises any one of the flavor generating articles from the first to eighteenth aspects and a non-combustion heating type flavor inhaler.
  • a twentieth aspect of the present invention is the nineteenth aspect, further comprising a heat source that generates heat when the flavor generating article is heated.
  • the flavor inhaler has a storage section in which the flavor generating article is stored, and the heating source is a heater that heats the flavor generating article stored in the storage section from outside the flavor generating article, or a susceptor that is placed on the flavor generating article and heated by an induction coil.
  • Flavor generating segment 13 Cooling segment 14: Second segment 20: Power supply unit 30: Atomization unit 40: Heating source 50: Chamber 80: Control unit 100: Flavor generating article 101: First end 102: Second end 200: Flavor inhaler 211: First filling material 221: Flavor source 240: Hollow filter 250: Filter plug 251: Second filling material 300: Third filling material 1000: Flavor generating system AX: Central axis D1: Average diameter D2: Minimum diameter S1: Measurement object SP1: Internal space

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  • Manufacture Of Tobacco Products (AREA)

Abstract

Cet article de génération d'arôme est chauffé par un inhalateur d'arôme à chauffage sans combustion pour générer un arôme, et comprend : une première extrémité qui est insérée dans l'inhalateur d'arôme ; une seconde extrémité qui est opposée à la première extrémité ; un segment de génération d'arôme qui comprend une source d'arôme ; un premier segment qui est disposé sur le premier côté extrémité du segment de génération d'arôme ; et un second segment qui a un filtre et est disposé sur le second côté extrémité du segment de génération d'arôme. Dans le premier segment, un espace par lequel le premier côté extrémité et le second côté extrémité du premier segment sont en communication est rempli d'une première charge. La résistance à l'écoulement d'air par segment du premier segment est inférieure à la résistance à l'écoulement d'air par segment du segment de génération d'arôme.
PCT/JP2023/032618 2023-09-07 2023-09-07 Article de génération d'arôme et système de génération d'arôme Pending WO2025052612A1 (fr)

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PCT/JP2023/032618 WO2025052612A1 (fr) 2023-09-07 2023-09-07 Article de génération d'arôme et système de génération d'arôme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/032618 WO2025052612A1 (fr) 2023-09-07 2023-09-07 Article de génération d'arôme et système de génération d'arôme

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022073693A1 (fr) * 2020-10-09 2022-04-14 Philip Morris Products S.A. Article de génération d'aérosol à section aval présentant une faible rtd
WO2023089769A1 (fr) * 2021-11-19 2023-05-25 日本たばこ産業株式会社 Segment de filtre à utiliser avec un produit de tabac, son procédé de fabrication et son dispositif de fabrication, et produit de tabac
WO2023163112A1 (fr) * 2022-02-25 2023-08-31 日本たばこ産業株式会社 Feuille pour article d'inhalation d'arôme

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022073693A1 (fr) * 2020-10-09 2022-04-14 Philip Morris Products S.A. Article de génération d'aérosol à section aval présentant une faible rtd
WO2023089769A1 (fr) * 2021-11-19 2023-05-25 日本たばこ産業株式会社 Segment de filtre à utiliser avec un produit de tabac, son procédé de fabrication et son dispositif de fabrication, et produit de tabac
WO2023163112A1 (fr) * 2022-02-25 2023-08-31 日本たばこ産業株式会社 Feuille pour article d'inhalation d'arôme

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