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WO2025099887A1 - Granulés de tabac et leur procédé de production, bâton de tabac, recharge de tabac et inhalateur d'arôme à chauffage sans combustion - Google Patents

Granulés de tabac et leur procédé de production, bâton de tabac, recharge de tabac et inhalateur d'arôme à chauffage sans combustion Download PDF

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Publication number
WO2025099887A1
WO2025099887A1 PCT/JP2023/040318 JP2023040318W WO2025099887A1 WO 2025099887 A1 WO2025099887 A1 WO 2025099887A1 JP 2023040318 W JP2023040318 W JP 2023040318W WO 2025099887 A1 WO2025099887 A1 WO 2025099887A1
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WO
WIPO (PCT)
Prior art keywords
tobacco
granules
mass
tobacco granules
binder
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/JP2023/040318
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English (en)
Japanese (ja)
Inventor
隆太郎 鶴泉
雄一郎 福村
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/JP2023/040318 priority Critical patent/WO2025099887A1/fr
Publication of WO2025099887A1 publication Critical patent/WO2025099887A1/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
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
    • A24B13/02—Flakes or shreds of tobacco

Definitions

  • the present invention relates to tobacco granules and their manufacturing method, tobacco sticks, tobacco refills, and non-combustion heating type flavor inhalers.
  • a non-combustion heating type flavor inhaler is known as a tobacco product that provides the user with flavor by heating the tobacco filler without burning it.
  • a non-combustion heating type flavor inhaler includes a tobacco filler and an aerosol source, and when heated, steam is generated from the moisture in the tobacco filler and the aerosol source, and flavor components are transferred from the tobacco filler into the steam, generating an aerosol (mainstream smoke).
  • a non-combustion heating type flavor inhaler does not burn the tobacco filler, flavor components are less likely to be released from the tobacco filler during use.
  • the tobacco filler include tobacco granules as disclosed in Patent Documents 1 to 3, etc.
  • the present invention aims to provide tobacco granules that can achieve a high release amount of flavor components when used even when the filling amount is reduced, a tobacco stick containing the tobacco granules, a tobacco refill, and a non-combustion heating type flavor inhaler.
  • a tobacco granule comprising a tobacco raw material and a binder, Tobacco granules having an average particle size (D50) of 600 ⁇ m or less and a nicotine content of 3.8 mass% or more.
  • a tobacco granule comprising a tobacco raw material containing 40 to 60 mass% of Burley leaf tobacco and a binder, Tobacco granules having an average particle size (D50) of 600 ⁇ m or less and a nicotine content of 2.6 mass% or more.
  • a tobacco granule comprising a tobacco raw material containing 60 to 80 mass% of Burley leaf tobacco and a binder, Tobacco granules having an average particle size (D50) of 600 ⁇ m or less and a nicotine content of 2.9% by mass or more.
  • D50 average particle size
  • binder is at least one binder selected from the group consisting of hydroxypropyl cellulose, carboxymethyl cellulose, sodium salt of carboxymethyl cellulose, guar gum, and xanthan gum.
  • a step of preparing a tobacco composition including a tobacco raw material, a binder, and water; a step of extruding the tobacco composition through an extrusion hole having a diameter of 1.0 to 1.8 mm to obtain a molded product; a step of sieving the molded product by passing it through a sieve having a mesh size of 1.0 to 2.5 mm while pulverizing the molded product with a first rotary blade to obtain a sieved product; A step of drying the sized product; a step of pulverizing the dried sized product with a second rotary blade while passing it through an upper sieve having a mesh size of 0.657 to 0.84 mm, and then removing fine particles using a lower sieve to obtain tobacco granules; A method for producing tobacco granules, comprising:
  • the present invention provides tobacco granules that can achieve a high release amount of flavor components when used even when the filling amount is reduced, a tobacco stick containing the tobacco granules, a tobacco refill, and a non-combustion heating type flavor inhaler.
  • FIG. 1 is a perspective view showing an example of a non-combustion heating type flavor inhaler according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a power supply unit in the non-combustion heating type flavor inhaler of FIG. 1.
  • FIG. 2 is a cross-sectional view of the non-combustion heating type flavor inhaler of FIG. 1.
  • FIG. 2 is a block diagram showing a main configuration of a power supply unit in the non-combustion heating type flavor inhaler of FIG. 1.
  • the tobacco granules according to the present embodiment include a tobacco raw material and a binder.
  • the tobacco granules have an average particle size (D50) of 600 ⁇ m or less, and the tobacco granules have a nicotine content of 3.8% by mass or more.
  • the tobacco granules have an average particle size (D50) of 600 ⁇ m or less, so that the surface area of the tobacco granules is large and a large amount of flavor components such as nicotine is released when heated.
  • the tobacco granules have a nicotine content of 3.8% by mass or more, so that a large amount of flavor components is released when heated. Therefore, when the tobacco granules according to the present embodiment are filled into a non-combustion heating type flavor inhaler, a high amount of flavor components can be released during use even if the filling amount is reduced.
  • the tobacco raw material can be tobacco particles.
  • a plurality of tobacco particles are bound by a binder to form tobacco granules.
  • the tobacco particles can be ground aged tobacco leaves.
  • the aged tobacco leaves can be tobacco leaves obtained by subjecting the leaves of cultivated and harvested tobacco plants to a drying process on the farm, a long-term aging process of one to several years at a raw material factory, and various processing steps such as blending and cutting at a manufacturing factory. Grinding can be performed using a known grinder, and can be either dry grinding or wet grinding.
  • tobacco leaf varieties include flue-cured, burley, orient, native, other Nicotiana tabacum varieties, and Nicotiana rustica varieties. These may be used alone or in combination with two or more. Among these, burley is preferred because it contains a large amount of flavor components such as nicotine.
  • the tobacco particles may have an average particle size (D50) of preferably 200 to 300 ⁇ m, more preferably 250 to 300 ⁇ m.
  • the average particle size (D50) of the tobacco particles refers to the average particle size (D50) based on the volume-based particle size distribution measured by a laser diffraction scattering particle size distribution measurement method.
  • the measurement of the average particle size by the laser diffraction scattering particle size distribution measurement method may be performed in accordance with JIS Z8825:2013 (Particle size analysis - Laser diffraction and scattering method).
  • the average particle size (D50) may be measured, for example, using a laser diffraction particle size distribution measurement device (for example, HORIBA, LA-950).
  • the amount of tobacco raw materials contained in 100% by mass of tobacco granules may be 50-90% by mass, preferably 60-80% by mass, more preferably 65-75% by mass, and even more preferably 70-75% by mass.
  • the binder serves to bind the tobacco raw materials together.
  • preferred binders are hydroxypropyl cellulose, carboxymethyl cellulose, sodium salt of carboxymethyl cellulose, guar gum, and xanthan gum. These binders may be used alone or in combination of two or more types.
  • the amount of binder contained in 100% by mass of tobacco granules may be 3-20% by mass, preferably 5-10% by mass, and more preferably 5-8% by mass.
  • the tobacco granules according to this embodiment may contain, in addition to the tobacco raw material and binder, for example, flavor-developing aids, aerosol base materials, flavorings, etc.
  • the flavor development aid adjusts the pH of the tobacco granules to the alkaline side, promoting the release of flavor components from the tobacco granules and resulting in a flavor that satisfies the user.
  • the flavor development aid includes potassium carbonate, sodium bicarbonate, and mixtures thereof.
  • the pH value of the tobacco granules is usually 8.5 or more and 11.0 or less, and from the perspective of obtaining a good flavor, it is preferably 9.0 or more and 10.0 or less.
  • the amount of the flavor-developing aid contained in 100% by mass of the tobacco granules may be 5 to 30% by mass, preferably 5 to 20% by mass, more preferably 5 to 10% by mass, and even more preferably 7 to 9% by mass.
  • the aerosol base material is a material that generates aerosol smoke when heated.
  • the type of aerosol base material there are no particular limitations on the type of aerosol base material, and various extracts from natural products and/or their constituent components can be selected depending on the application.
  • Specific examples of the aerosol base material include polyhydric alcohols such as glycerin, propylene glycol, sorbitol, xylitol, and erythritol, triacetin, 1,3-butanediol, and mixtures thereof.
  • the amount of the aerosol base material contained in 100% by mass of the tobacco granules is preferably 0 to 30% by mass.
  • the type of flavoring is not particularly limited, but examples include fragrances and flavorings.
  • the flavoring may be in any form, such as a liquid or solid. In addition, it may be a single component or a combination of multiple components.
  • Suitable flavors for the flavoring include flavors selected from sugar and sugar-based flavors, licorice, cocoa, chocolate, fruit juice and fruits, spices, liquor, herbs, vanilla, and floral flavors, either alone or in combination.
  • Fragrances can be used from a wide variety of fragrance ingredients, such as those described in "Collection of Well-Known and Commonly Used Technology (Fragrances)" (March 14, 2007, published by the Japan Patent Office), “Latest Encyclopedia of Fragrances (Popular Edition)” (February 25, 2012, edited by Soichi Arai, Akio Kobayashi, Izumi Yajima, and Michiaki Kawasaki, Asakura Publishing), and “Tobacco Flavoring for Smoking Products” (June 1972, R. J. Reynolds Tobacco Company).
  • the fragrance may be, for example, a fragrance selected from isothiocyanates, indoles and their derivatives, ethers, esters, ketones, fatty acids, higher aliphatic alcohols, higher aliphatic aldehydes, higher aliphatic hydrocarbons, thioethers, thiols, terpene hydrocarbons, phenol ethers, phenols, furfural and its derivatives, aromatic alcohols, aromatic aldehydes, lactones, etc., used alone or in combination. It may also be a material that provides a cooling/warming sensation.
  • Fragrances include acetanisole, acetophenone, acetylpyrazine, 2-acetylthiazole, alfalfa extract, amyl alcohol, amyl butyrate, trans-anethole, star anise oil, apple juice, balsam of Peru 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, ⁇ -carotene, carrot juice, L-carvone, ⁇ -caryophyllene, cassia bark oil, cedarwood oil, celery seed oil, chamomile oil, cinnamaldehyde, cinnamic acid, cinnamyl alcohol, cin
  • Flavors include, for example, materials that provide sweetness, sourness, saltiness, umami, bitterness, astringency, and richness.
  • Materials that provide sweetness include, for example, sugars, sugar alcohols, and sweeteners.
  • Sugars include, for example, monosaccharides, disaccharides, oligosaccharides, and polysaccharides.
  • Sweeteners include, for example, natural sweeteners and synthetic sweeteners.
  • Materials that provide sourness include, for example, organic acids (and their sodium salts).
  • Organic acids include, for example, acetic acid, adipic acid, citric acid, lactic acid, malic acid, succinic acid, and tartaric acid.
  • Materials that provide bitterness include, for example, caffeine (extract), naringin, and wormwood extract.
  • Materials that provide saltiness include, for example, sodium chloride, potassium chloride, sodium citrate, potassium citrate, sodium acetate, and potassium acetate.
  • ingredients that provide umami include sodium glutamate, sodium inosinate, and sodium guanylate.
  • ingredients that provide astringency include tannin and shibuol.
  • the amount of flavorings contained in 100% by mass of the tobacco granules may be 5-20% by mass, and is preferably 9-13% by mass.
  • the tobacco granules according to this embodiment may be substantially spherical.
  • the average particle diameter (D50) of the tobacco granules is 600 ⁇ m or less, preferably 550 ⁇ m or less, and may be 400 ⁇ m or more. If it is greater than the upper limit, the nicotine delivery may decrease. If it is less than the lower limit, the irritation of the flavor components may become stronger.
  • the average particle diameter (D50) of the tobacco granules refers to the average particle diameter (D50) based on the volume-based particle size distribution measured by a laser diffraction scattering particle size distribution measurement method.
  • the measurement of the average particle diameter by the laser diffraction scattering particle size distribution measurement method can be performed in accordance with JIS Z8825:2013 (Particle size analysis - Laser diffraction scattering method).
  • the average particle diameter (D50) can be measured, for example, using a laser diffraction particle size distribution measurement device (for example, HORIBA, LA-950).
  • the tobacco granules according to this embodiment preferably have a nicotine content of 3.8% by mass or more and 6.0% by mass or less.
  • a sufficient amount of flavor components is released when heated. If the nicotine content of the tobacco granules exceeds 6.0% by mass, the nicotine may be too strong.
  • the tobacco granules according to this embodiment contain a tobacco raw material containing 40 to 60 mass% Burley tobacco leaf, and a binder.
  • the average particle size (D50) of the tobacco granules is 600 ⁇ m or less, and the nicotine content of the tobacco granules is 2.6 mass% or more.
  • D50 average particle size of the tobacco granules
  • the nicotine content of the tobacco granules is 2.6 mass% or more.
  • the same materials and blending amounts as in the first embodiment can be used, except that the tobacco raw material contains 40 to 60 mass% Burley leaf tobacco.
  • the tobacco granules in this embodiment can have the same shape and average particle size (D50) as in the first embodiment.
  • the tobacco granules according to this embodiment preferably have a nicotine content of 2.6% by mass or more and 4.0% by mass or less.
  • a sufficient amount of flavor components is released when heated.
  • the tobacco granules according to this embodiment contain a tobacco raw material containing 60 to 80 mass% Burley tobacco leaf, and a binder.
  • the average particle size (D50) of the tobacco granules is 600 ⁇ m or less
  • the nicotine content of the tobacco granules is 2.9 mass% or more.
  • a high release amount of flavor components can be achieved during use even if the filling amount is reduced.
  • the same materials and blending amounts as in the first embodiment can be used, except that the tobacco raw material contains 60 to 80 mass% Burley leaf tobacco.
  • the tobacco granules in this embodiment can have the same shape and average particle size (D50) as in the first embodiment.
  • the tobacco granules according to this embodiment preferably have a nicotine content of 2.9% by mass or more and 5.0% by mass or less.
  • a sufficient amount of flavor components is released when heated.
  • the method for producing the tobacco granules according to the first, second, and third embodiments is not particularly limited. However, production by the tobacco granule production method described below is preferable because it is possible to reduce the particle size of the tobacco granules while reducing the moisture content of the tobacco composition as the raw material, thereby increasing the nicotine content in the resulting tobacco granules.
  • the method for producing tobacco granules includes the following steps: a step of preparing a tobacco composition containing a tobacco raw material, a binder, and water (hereinafter also referred to as a "tobacco composition preparation step”); a step of extruding the tobacco composition through an extrusion hole having a diameter of 1.0 to 1.8 mm to obtain a molded product (hereinafter also referred to as an "extrusion molding step”); a step of sizing the molded product by passing it through a sieve having a mesh size of 1.0 to 2.5 mm while pulverizing it with a first rotating blade to obtain a sized product (hereinafter also referred to as a "sizing step”); a step of drying the sized product (hereinafter also referred to as a “drying step”); a step of pulverizing the dried sized product by passing it through an upper sieve having a mesh size of 0.6
  • the method for producing tobacco granules according to this embodiment may include other steps in addition to the steps described above.
  • steps include a step of adding a flavoring agent (hereinafter also referred to as a "flavoring agent adding step").
  • tobacco composition preparation process In this step, a tobacco composition containing a tobacco raw material, a binder, and water is prepared.
  • the types and amounts of the tobacco raw material and the binder are the same as those of the tobacco granules according to the present embodiment described above.
  • the tobacco composition is extruded through small extrusion holes to be granulated, so the tobacco composition contains water from the viewpoint of ensuring the fluidity of the tobacco composition.
  • the tobacco composition contains a large amount of water, sufficient heating is required in the drying step described below, and the flavor components are scattered during drying, resulting in a decrease in the content of the flavor components in the obtained tobacco granules. Therefore, it is preferable that the tobacco composition has an appropriate moisture content.
  • the moisture content of the tobacco composition is preferably 22 to 27% by mass, and more preferably 23 to 26% by mass.
  • the tobacco composition may contain, in addition to the tobacco raw material, binder, and water, a flavor-developing aid, an aerosol base material, etc.
  • the tobacco composition may be prepared, for example, by mixing the raw materials such as the tobacco raw material, binder, and water in a kneader.
  • the tobacco composition obtained in the tobacco composition preparation step described above is extruded through extrusion holes having a diameter of 1.0 to 1.8 mm to obtain a molded product.
  • the tobacco composition is extruded through a plate (screen) having a large number of extrusion holes having a diameter of 1.0 to 1.8 mm into a cylindrical (long columnar) shape.
  • Extrudemix (trade name, manufactured by Hosokawa Micron Corporation) can be used.
  • the molded product obtained in the above-mentioned extrusion molding process is sized by passing it through a sieve with a mesh size of 1.0 to 2.5 mm while being crushed by the first rotating blade of the first sieving machine, to obtain a sized product.
  • the molded product is put into a sieving machine equipped with a first rotating blade and a screen which is a sieve with a mesh size of 1.0 to 2.5 mm.
  • the molded product is crushed by the rotation of the first rotating blade, and some of the small particles are discharged from the opening of the screen with a mesh size of 1.0 to 2.5 mm, to obtain a sized product.
  • the rotation speed of the first rotating blade is preferably 3800 to 4600 rpm, and more preferably 3800 to 4200 rpm.
  • the mesh diameter of the sieve (screen) is 1.0 to 2.5 mm. By setting the mesh diameter within the above range, small sized products can be obtained.
  • Feather Mill product name, manufactured by Hosokawa Micron Corporation
  • drying process In this step, the sized product obtained in the above-mentioned sizing step is dried.
  • the drying temperature is preferably 57 to 84°C. By setting the drying temperature to 57°C or higher, the sized product can be dried sufficiently. Furthermore, by setting the drying temperature to 84°C or lower, scattering of flavor components due to drying can be suppressed.
  • the moisture content of the sized product after drying can be, for example, 10 to 19% by mass.
  • the sized product after the drying step is crushed by the second rotating blade of the second sieving machine while passing through an upper sieve with a mesh size of 0.657 to 0.84 mm, and then fine particles are removed using a lower sieve to obtain tobacco granules.
  • the dried sized product is fed into a tobacco granule production line that includes a second rotating blade, upper and lower vibrating sieves having an upper sieve with a mesh size of 0.657 to 0.84 mm and a lower sieve with a mesh size smaller than that of the upper sieve (e.g., a lower sieve with a mesh size of 0.263 to 0.312 mm), and a fine particle removal device.
  • the dried sized product is crushed by the second rotating blade, and some of the smaller particles pass through the upper sieve with a mesh size of 0.657 to 0.84 mm.
  • the particles that pass through the upper sieve are passed through a lower sieve with a mesh size of 0.263 to 0.312 mm, and fine particles that pass through the lower sieve are removed by a removal device, while particles that do not pass through the lower sieve are discharged and become tobacco granules.
  • the rotation speed of the second rotating blade is preferably 3000 to 3600 rpm. By setting the rotation speed of the second rotating blade within this range, the crushing of the sized product is more advanced, and small tobacco granules can be efficiently produced.
  • the mesh diameter of the upper sieve is 0.657 to 0.84 mm. By setting the mesh diameter within this range, smaller tobacco granules can be obtained.
  • the mesh diameter of the lower sieve is preferably 0.263 to 0.312 mm.
  • a Disintegrator product name, manufactured by Hosokawa Micron Corporation
  • flavoring agent addition process In this process, flavorings are added as necessary. For example, flavorings are added to the tobacco granules obtained in the tobacco granule manufacturing process described above. The flavorings may be the same as those in the tobacco granules according to this embodiment described above. The flavorings can be added by adding the flavorings while stirring the tobacco granules, for example, using a batch mixer having two ribbon-type screws that rotate and revolve along the inner wall surface of the casing.
  • the tobacco stick or tobacco refill according to the present embodiment includes the tobacco granules according to the present embodiment.
  • the non-combustion heating type flavor inhaler according to the present embodiment includes the tobacco granules according to the present embodiment. Because the tobacco stick, tobacco refill, and non-combustion heating type flavor inhaler according to the present embodiment include the tobacco granules according to the present embodiment, a high amount of flavor component can be released during use.
  • the non-combustion heating type flavor inhaler is a flavor inhaler that provides a user with flavor by heating the tobacco filler without burning it.
  • the tobacco granules according to this embodiment may be incorporated into the main body of the non-combustion heating type flavor inhaler, or may be incorporated into a refillable tobacco product that is a component of the non-combustion heating type flavor inhaler.
  • the tobacco granules may be wrapped in cigarette paper to prepare a tobacco stick and then incorporated into the tobacco stick, or may be contained in a refillable container to prepare a tobacco refill and then incorporated into the tobacco refill. That is, according to another aspect, a tobacco stick containing the tobacco granules according to this embodiment is provided.
  • a tobacco refill containing the tobacco granules according to this embodiment is provided.
  • the tobacco refill may include, for example, the tobacco granules according to this embodiment and a heat-resistant container that contains the tobacco granules.
  • Fig. 1 is a perspective view showing an example of a non-combustion heating type flavor inhaler.
  • Fig. 2 is a perspective view of a power supply unit in the non-combustion heating type flavor inhaler of Fig. 1.
  • Fig. 3 is a cross-sectional view of the non-combustion heating type flavor inhaler of Fig. 1.
  • Fig. 4 is a block diagram showing the main configuration of the power supply unit in the non-combustion heating type flavor inhaler of Fig. 1.
  • the non-combustion heating type flavor inhaler 100 shown in Figures 1 to 4 has a rod shape extending along a predetermined direction (hereinafter referred to as the longitudinal direction A).
  • the non-combustion heating type flavor inhaler 100 has a power supply unit 10, a first cartridge 20, and a second cartridge 30 arranged in this order along the longitudinal direction A.
  • the first cartridge 20 is detachable from the power supply unit 10
  • the second cartridge 30 is detachable from the first cartridge 20.
  • the first cartridge 20 and the second cartridge 30 are each replaceable.
  • the power supply unit 10 accommodates a power supply 12, a charger 13, a control unit 50, various sensors, etc. inside a cylindrical power supply unit case 11.
  • the power supply 12 is a rechargeable secondary battery, and is preferably a lithium ion secondary battery.
  • a discharge terminal 41 is provided on the top portion 11a located at one end side (first cartridge 20 side) of the power supply unit case 11 in the longitudinal direction A.
  • the discharge terminal 41 is provided so as to protrude from the upper surface of the top portion 11a toward the first cartridge 20, and is configured to be electrically connectable to the load 21 of the first cartridge 20.
  • an air supply section 42 that supplies air to the load 21 of the first cartridge 20 is provided on the upper surface of the top section 11a, near the discharge terminal 41.
  • the bottom portion 11b located at the other end of the power supply unit case 11 in the longitudinal direction A (opposite the first cartridge 20), is provided with a charging terminal (not shown) that can be electrically connected to an external power source that can charge the power supply 12.
  • an operation unit 14 that can be operated by the user is provided on the side of the top part 11a of the power supply unit case 11.
  • the operation unit 14 is composed of a button-type switch, a touch panel, etc., and is used to start/shut off the control unit 50 and various sensors, reflecting the user's intention to use the device.
  • the control unit 50 is connected to various sensor devices such as the charger 13, the operation unit 14, an inhalation sensor 15 that detects the puffing (inhalation) action, a voltage sensor 16 that measures the voltage of the power source 12, a temperature sensor 17 that detects the temperature, and a memory 18 that stores the number of puffing actions or the time that electricity is applied to the load 21, and performs various controls of the non-combustion heating type flavor inhaler 100.
  • the inhalation sensor 15 may be composed of a condenser microphone, a pressure sensor, etc.
  • the control unit 50 is specifically a processor (MCU: microcontroller unit). More specifically, the structure of this processor is an electric circuit that combines circuit elements such as semiconductor elements.
  • the first cartridge 20 comprises, inside a cylindrical cartridge case 27, a reservoir 23 that stores an aerosol base material 22, an electrical load 21 that atomizes the aerosol base material 22, a wick 24 that draws the aerosol base material from the reservoir 23 to the load 21, an aerosol flow path 25 through which the aerosol generated by atomization of the aerosol base material 22 flows toward the second cartridge 30, and an end cap 26 that accommodates part of the second cartridge 30.
  • the reservoir 23 is partitioned and formed so as to surround the periphery of the aerosol flow path 25, and stores the aerosol base material 22.
  • the reservoir 23 may contain a porous body such as a resin web or cotton, and the porous body may be impregnated with the aerosol base material 22.
  • the reservoir 23 may not contain a porous body such as a resin web or cotton, and may store only the aerosol base material 22.
  • the aerosol base material 22 may contain a liquid such as glycerin, propylene glycol, water, etc.
  • the wick 24 is a liquid retention member that draws the aerosol base material 22 from the reservoir 23 into the load 21 using capillary action, and is made of, for example, glass fiber or porous ceramic.
  • Load 21 atomizes aerosol base material 22 without combustion by power supplied from power source 12 via discharge terminal 41.
  • Load 21 is composed of an electric heating wire (coil) wound at a predetermined pitch.
  • load 21 may be any element capable of atomizing aerosol base material 22 to generate an aerosol, and is, for example, a heating element or an ultrasonic generator. Examples of heating elements include a heating resistor, a ceramic heater, and an induction heating heater.
  • the aerosol flow path 25 is located downstream of the load 21 and on the center line L of the power supply unit 10.
  • the end cap 26 includes a cartridge storage section 26a that stores a portion of the second cartridge 30, and a communication passage 26b that connects the aerosol flow path 25 to the cartridge storage section 26a.
  • the second cartridge 30 stores a flavor source 31, which is tobacco granules according to this embodiment.
  • the second cartridge 30 is removably housed in a cartridge housing portion 26a provided in the end cap 26 of the first cartridge 20.
  • the end of the second cartridge 30 opposite to the first cartridge 20 side is a mouthpiece 32 for the user.
  • the mouthpiece 32 is not limited to being integrally and inseparably formed with the second cartridge 30, but may be configured to be removably attached to the second cartridge 30. By configuring the mouthpiece 32 separately from the power supply unit 10 and the first cartridge 20 in this way, the mouthpiece 32 can be kept hygienic.
  • the second cartridge 30 imparts flavor to the aerosol by passing the aerosol generated by atomizing the aerosol base material 22 by the load 21 through the flavor source 31.
  • aerosol with flavor added can be generated by the aerosol base material 22, flavor source 31, and load 21.
  • the aerosol base material 22 and flavor source 31 can be said to be an aerosol generation source that generates aerosol.
  • the non-combustion heating type flavor inhaler 100 has a configuration in which the aerosol base material 22 and the flavor source 31 are separate entities, but may also have a configuration in which the aerosol base material 22 and the flavor source 31 are integrally formed.
  • non-combustion heating type flavor inhaler 100 configured in this manner, as shown by arrow B in FIG. 3, air flowing in from an air intake (not shown) provided in the power supply unit case 11 passes through the air supply section 42 and near the load 21 of the first cartridge 20.
  • the load 21 atomizes the aerosol base material 22 drawn or moved from the reservoir 23 by the wick 24.
  • the atomized aerosol flows through the aerosol flow path 25 together with the air flowing in from the air intake, and is supplied to the second cartridge 30 via the communication passage 26b.
  • the aerosol supplied to the second cartridge 30 is flavored by passing through the flavor source 31, and is then supplied to the mouthpiece 32.
  • the non-combustion heating type flavor inhaler 100 is also provided with an alarm unit 45 that notifies various pieces of information.
  • the alarm unit 45 may be composed of a light-emitting element, a vibration element, or a sound output element.
  • the alarm unit 45 may also be a combination of two or more elements among a light-emitting element, a vibration element, and a sound output element.
  • the alarm unit 45 may be provided in any of the power supply unit 10, the first cartridge 20, and the second cartridge 30, but is preferably provided in the power supply unit 10 in order to shorten the wire from the power supply 12.
  • the alarm unit 45 may be provided around the operation unit 14, and the periphery of the operation unit 14 may be configured to be translucent and to emit light using a light-emitting element such as an LED.
  • Example 1 (Preparation of tobacco granules) A leaf tobacco containing 55% by mass of Burley tobacco was prepared as a tobacco raw material. A tobacco composition was prepared by mixing 63% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 24% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader. Next, using a wet extrusion molding machine (product name: Extrudemix, manufactured by Hosokawa Micron Corporation), the tobacco composition was extruded into a cylindrical (long columnar) shape through a plate (screen) having a large number of extrusion holes with a diameter of 1.0 to 1.8 mm, to obtain a molded product.
  • a wet extrusion molding machine product name: Extrudemix, manufactured by Hosokawa Micron Corporation
  • the temperature when the tobacco composition was extruded was 65°C.
  • the molded product was put into a granulator (product name: Feather Mill, manufactured by Hosokawa Micron Corporation) equipped with a first rotating blade and a screen that is a sieve with a mesh diameter of 1.0 to 2.5 mm.
  • the molded product was pulverized by rotating the first rotating blade at a rotation speed of 3800 to 4600 rpm.
  • a part of the crushed molded product was discharged through the opening of a screen with a mesh diameter of 1.0 to 2.5 mm to obtain a sized product.
  • the sized product was dried at 75°C to obtain a sized product with a moisture content of 12.5% by mass.
  • the dried sized product was put into a second sieve (product name: Disintegrator, manufactured by Hosokawa Micron Corporation) equipped with a second rotating blade, an upper sieve with a mesh diameter of 0.657 to 0.84 mm and a lower sieve with a mesh diameter of 0.263 to 0.312 mm, and an upper and lower vibrating sieve, and a fine particle removal device.
  • the second rotating blade was rotated at a rotation speed of 3000 to 3600 rpm to crush the sized product.
  • a part of the crushed sized product passed through the upper sieve with a mesh diameter of 0.657 to 0.84 mm and was passed through the lower sieve with a mesh diameter of 0.263 to 0.312 mm.
  • the fine particles that passed through the lower sieve were removed by a removal device. Meanwhile, the particles that did not pass through the lower sieve and remained were discharged to obtain tobacco granules. Then, flavoring was added to the tobacco granules. In this manner, the tobacco granules of this example were produced.
  • the tobacco granules had an average particle size (D50) of 473 ⁇ m and a nicotine content of 2.70% by mass.
  • the obtained tobacco granules were filled in an amount of 260 mg into the second cartridge 30 of the non-combustion heating type flavor inhaler 100 shown in Figures 1 to 4.
  • the amount of nicotine contained in the smoke was measured.
  • the non-combustion heating type flavor inhaler 100 was inhaled with a smoking machine (55 cc was inhaled with a square wave for 2 seconds, 50 puffs), and the smoke was collected with a Cambridge filter.
  • the nicotine collected in the Cambridge filter was quantitatively analyzed by gas chromatography (using an FID as a detector). The results are shown in Table 1.
  • Example 2 Tobacco granules were prepared in the same manner as in Example 1. In the evaluation of the tobacco granules, evaluation was performed in the same manner as in Example 1, except that the filling amount of the tobacco granules was changed to 290 mg. The results are shown in Table 1.
  • Example 3 Tobacco granules were prepared in the same manner as in Example 1. In the evaluation of the tobacco granules, evaluation was performed in the same manner as in Example 1, except that the filling amount of the tobacco granules was changed to 310 mg. The results are shown in Table 1.
  • a leaf tobacco containing 55% by mass of Burley tobacco was prepared as a tobacco raw material.
  • a tobacco composition was prepared by mixing 63% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 25% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader.
  • a wet extrusion molding machine product name: Extrudemix, manufactured by Hosokawa Micron Corporation
  • the tobacco composition was extruded into a cylindrical (long columnar) shape through a plate (screen) having a large number of extrusion holes with a diameter of 0.9 mm, to obtain a molded product.
  • the temperature when the tobacco composition was extruded was 75°C.
  • the molded product was put into a granulator (product name: Feather Mill, manufactured by Hosokawa Micron Corporation) equipped with a first rotating blade and a screen that is a sieve with a mesh diameter of 3.0 mm.
  • the molded product was pulverized by rotating the first rotating blade at a rotation speed of 3800 to 4600 rpm.
  • a part of the crushed molded product was discharged through the opening of a screen with a mesh diameter of 3.0 mm to obtain a sized product.
  • the sized product was dried at 100°C to obtain a sized product with a moisture content of 12.5% by mass.
  • the dried sized product was put into a second sieve mill (product name: Disintegrator, manufactured by Hosokawa Micron Corporation) equipped with a second rotating blade, an upper sieve with a mesh diameter of 0.657 to 0.840 mm and a lower sieve with a mesh diameter of 0.263 to 0.312 mm, an upper and lower vibrating sieve, and a fine particle removal device.
  • the second rotating blade was rotated at a rotation speed of 3000 to 3600 rpm to crush the sized product.
  • a part of the crushed sized product passed through the upper sieve with a mesh diameter of 0.657 to 0.840 mm and was passed through the lower sieve with a mesh diameter of 0.263 to 0.312 mm.
  • the fine particles that passed through the lower sieve were removed by a removal device. Meanwhile, the particles that did not pass through the lower sieve and remained were discharged to obtain tobacco granules. Then, flavoring was added to the tobacco granules. In this manner, the tobacco granules in this comparative example were produced.
  • the tobacco granules had an average particle size (D50) of 750 ⁇ m and a nicotine content of 2.47% by mass.
  • Comparative Example 2 (Preparation of tobacco granules) A granulated product was prepared using an agitation granulator (trade name: Vertical Granulator, manufactured by Powrex Corporation). Specifically, a tobacco composition was prepared with the same composition as in Example 1 except that the blending amount of water was changed to 37.5% by mass, and the tobacco composition was processed by the agitation granulator to obtain a granulated product. The obtained granulated product was dried at 85°C to obtain a granulated product with a moisture content of 12.5% by mass.
  • agitation granulator trade name: Vertical Granulator, manufactured by Powrex Corporation
  • the granulated product after drying was put into a second granulator (trade name: Disintegrator, manufactured by Hosokawa Micron Corporation) equipped with a second rotating blade, an upper sieve with a mesh diameter of 0.657 to 0.840 mm and a lower sieve with a mesh diameter of 0.263 to 0.312 mm, an upper vibrating sieve, and a fine particle removal device.
  • the granulated product was pulverized by rotating the second rotating blade at a rotation speed of 3000 to 3600 rpm. A portion of the pulverized product passed through an upper sieve with a mesh size of 0.657 to 0.840 mm, and was sieved through a lower sieve with a mesh size of 0.263 to 0.312 mm.
  • the tobacco granules had an average particle size (D50) of 498 ⁇ m and a nicotine content of 2.19% by mass.
  • Example 4 (Preparation of tobacco granules) Except for using leaf tobacco containing 65% by mass of Burley leaf tobacco as the tobacco raw material, tobacco granules were produced in the same manner as in Example 1. The tobacco granules had an average particle size (D50) of 480 ⁇ m and a nicotine content of 2.95% by mass.
  • D50 average particle size
  • Example 5 Tobacco granules were prepared in the same manner as in Example 4. In the evaluation of the tobacco granules, evaluation was performed in the same manner as in Example 4, except that the filling amount of the tobacco granules was changed to 290 mg. The results are shown in Table 1.
  • Example 6 Tobacco granules were prepared in the same manner as in Example 4. In the evaluation of the tobacco granules, evaluation was performed in the same manner as in Example 4, except that the filling amount of the tobacco granules was changed to 310 mg. The results are shown in Table 1.
  • Example 7 (Preparation of tobacco granules) A leaf tobacco containing 100% by mass of Burley tobacco was prepared as a tobacco raw material. A tobacco composition was prepared by mixing 63% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 25% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader. Tobacco granules were produced in the same manner as in Example 1, except that the tobacco composition was used. The tobacco granules had an average particle size (D50) of 488 ⁇ m and a nicotine content of 3.91% by mass.
  • D50 average particle size
  • Example 8 Tobacco granules were prepared in the same manner as in Example 7. Evaluation of the tobacco granules was performed in the same manner as in Example 7, except that the filling amount of the tobacco granules was changed to 290 mg. The results are shown in Table 1.
  • Example 9 Tobacco granules were prepared in the same manner as in Example 7. In the evaluation of the tobacco granules, evaluation was performed in the same manner as in Example 7, except that the filling amount of the tobacco granules was changed to 310 mg. The results are shown in Table 1.
  • a leaf tobacco containing 100% by mass of Burley tobacco was prepared as a tobacco raw material.
  • a tobacco composition was prepared by mixing 60% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 28% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader.
  • Tobacco granules were produced in the same manner as in Comparative Example 1, except that the tobacco composition was used.
  • the tobacco granules had an average particle size (D50) of 750 ⁇ m and a nicotine content of 3.57% by mass.
  • a leaf tobacco containing 100% by mass of Burley tobacco was prepared as a tobacco raw material.
  • a tobacco composition was prepared by mixing 52% by mass of the tobacco raw material, 4% by mass of carboxymethylcellulose as a binder, 37.5% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader.
  • Tobacco granules were produced in the same manner as in Comparative Example 2, except that the tobacco composition was used.
  • the tobacco granules had an average particle size (D50) of 495 ⁇ m and a nicotine content of 3.19% by mass.
  • Example 10 (Preparation of tobacco granules) A leaf tobacco containing 100% by mass of Burley tobacco was prepared as a tobacco raw material. A tobacco composition was prepared by mixing 63% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 25% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader. Tobacco granules were produced in the same manner as in Example 1, except that the tobacco composition was used. The tobacco granules had an average particle size (D50) of 473 ⁇ m and a nicotine content of 3.81% by mass.
  • D50 average particle size
  • Example 11 Tobacco granules were prepared in the same manner as in Example 10. In the evaluation of the tobacco granules, evaluation was performed in the same manner as in Example 10, except that the filling amount of the tobacco granules was changed to 290 mg. The results are shown in Table 1.
  • Example 12 Tobacco granules were prepared in the same manner as in Example 10. In the evaluation of the tobacco granules, evaluation was performed in the same manner as in Example 10, except that the filling amount of the tobacco granules was changed to 310 mg. The results are shown in Table 1.
  • Comparative Example 7 (Preparation of tobacco granules) A leaf tobacco containing 100% by mass of Burley tobacco was prepared as a tobacco raw material. A tobacco composition was prepared by mixing 60% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 28% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader. Tobacco granules were produced in the same manner as in Comparative Example 1, except that the tobacco composition was used. The tobacco granules had an average particle size (D50) of 750 ⁇ m and a nicotine content of 3.72% by mass.
  • D50 average particle size
  • Comparative Example 8 (Preparation of tobacco granules) A leaf tobacco containing 100% by mass of Burley tobacco was prepared as a tobacco raw material. A tobacco composition was prepared by mixing 52% by mass of the tobacco raw material, 4% by mass of carboxymethylcellulose as a binder, 37.5% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader. Tobacco granules were produced in the same manner as in Comparative Example 2, except that the tobacco composition was used. The tobacco granules had an average particle size (D50) of 480 ⁇ m and a nicotine content of 3.17% by mass.
  • D50 average particle size
  • a leaf tobacco containing 65% by mass of Burley tobacco was prepared as a tobacco raw material.
  • a tobacco composition was prepared by mixing 65% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 22% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader.
  • Tobacco granules were produced in the same manner as in Example 1 using the tobacco composition, except that no flavoring was added.
  • the average particle size (D50) of the tobacco granules was 432 ⁇ m.
  • a leaf tobacco containing 65% by mass of Burley tobacco was prepared as a tobacco raw material.
  • a tobacco composition was prepared by mixing 65% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 22% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader.
  • Tobacco granules were produced in the same manner as in Example 1 using the tobacco composition, except that no flavoring was added.
  • the average particle size (D50) of the tobacco granules was 523 ⁇ m.
  • a leaf tobacco containing 100% by mass of Burley tobacco was prepared as a tobacco raw material.
  • a tobacco composition was prepared by mixing 63% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 25% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader.
  • Tobacco granules were produced in the same manner as in Example 1, except that the tobacco composition was used and no flavoring was added.
  • the average particle size (D50) of the tobacco granules was 499 ⁇ m.
  • a leaf tobacco containing 100% by mass of Burley tobacco was prepared as a tobacco raw material.
  • a tobacco composition was prepared by mixing 63% by mass of the tobacco raw material, 5% by mass of carboxymethylcellulose as a binder, 25% by mass of water, and potassium carbonate (the remainder) as a pH adjuster in a kneader.
  • Tobacco granules were produced in the same manner as in Example 1, except that the tobacco composition was used and no flavoring was added.
  • the average particle size (D50) of the tobacco granules was 559 ⁇ m.
  • a tobacco granule comprising a tobacco raw material and a binder, Tobacco granules having an average particle size (D50) of 600 ⁇ m or less and a nicotine content of 3.8 mass% or more.
  • a tobacco granule comprising a tobacco raw material containing 40 to 60 mass% of Burley leaf tobacco and a binder, Tobacco granules having an average particle size (D50) of 600 ⁇ m or less and a nicotine content of 2.6 mass% or more.
  • a tobacco granule comprising a tobacco raw material containing 60 to 80 mass% of Burley leaf tobacco and a binder, Tobacco granules having an average particle size (D50) of 600 ⁇ m or less and a nicotine content of 2.9% by mass or more.
  • D50 average particle size
  • binder is at least one binder selected from the group consisting of hydroxypropyl cellulose, carboxymethyl cellulose, sodium salt of carboxymethyl cellulose, guar gum, and xanthan gum.
  • a step of preparing a tobacco composition including a tobacco raw material, a binder, and water; a step of extruding the tobacco composition through an extrusion hole having a diameter of 1.0 to 1.8 mm to obtain a molded product; a step of sieving the molded product by passing it through a sieve having a mesh size of 1.0 to 2.5 mm while pulverizing the molded product with a first rotary blade to obtain a sieved product; A step of drying the sized product; a step of pulverizing the dried sized product with a second rotary blade while passing it through an upper sieve having a mesh size of 0.657 to 0.84 mm, and then removing fine particles using a lower sieve to obtain tobacco granules; A method for producing tobacco granules, comprising:
  • Power supply unit 20 First cartridge 30 Second cartridge 100

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  • Manufacture Of Tobacco Products (AREA)

Abstract

L'invention concerne des granulés de tabac capables de libérer une quantité élevée de composant aromatisant au moment de l'utilisation, même lorsque la quantité de composant aromatisant conditionné a été réduite. Les granulés de tabac contiennent un matériau de départ de tabac et un liant, ont un diamètre de grain moyen (D50) de 600 µm ou moins, et contiennent au moins 3,8 % en masse de nicotine.
PCT/JP2023/040318 2023-11-09 2023-11-09 Granulés de tabac et leur procédé de production, bâton de tabac, recharge de tabac et inhalateur d'arôme à chauffage sans combustion Pending WO2025099887A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/040318 WO2025099887A1 (fr) 2023-11-09 2023-11-09 Granulés de tabac et leur procédé de production, bâton de tabac, recharge de tabac et inhalateur d'arôme à chauffage sans combustion

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PCT/JP2023/040318 WO2025099887A1 (fr) 2023-11-09 2023-11-09 Granulés de tabac et leur procédé de production, bâton de tabac, recharge de tabac et inhalateur d'arôme à chauffage sans combustion

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115363239A (zh) * 2022-07-13 2022-11-22 云南中烟新材料科技有限公司 一种加热不燃烧烟草制品高发烟烟草颗粒及其制备方法
WO2023089859A1 (fr) * 2021-11-19 2023-05-25 日本たばこ産業株式会社 Substance pour article d'inhalation d'arôme, article d'inhalation d'arôme du type par chauffe, et procédé de production d'une substance pour article d'inhalation d'arôme
WO2023112920A1 (fr) * 2021-12-14 2023-06-22 日本たばこ産業株式会社 Tabac, son procédé de production et produit de tabac

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023089859A1 (fr) * 2021-11-19 2023-05-25 日本たばこ産業株式会社 Substance pour article d'inhalation d'arôme, article d'inhalation d'arôme du type par chauffe, et procédé de production d'une substance pour article d'inhalation d'arôme
WO2023112920A1 (fr) * 2021-12-14 2023-06-22 日本たばこ産業株式会社 Tabac, son procédé de production et produit de tabac
CN115363239A (zh) * 2022-07-13 2022-11-22 云南中烟新材料科技有限公司 一种加热不燃烧烟草制品高发烟烟草颗粒及其制备方法

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