[go: up one dir, main page]

WO2023112292A1 - Unité d'atomisation, dispositif d'inhalation et procédé de production d'unité d'atomisation - Google Patents

Unité d'atomisation, dispositif d'inhalation et procédé de production d'unité d'atomisation Download PDF

Info

Publication number
WO2023112292A1
WO2023112292A1 PCT/JP2021/046676 JP2021046676W WO2023112292A1 WO 2023112292 A1 WO2023112292 A1 WO 2023112292A1 JP 2021046676 W JP2021046676 W JP 2021046676W WO 2023112292 A1 WO2023112292 A1 WO 2023112292A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
atomization unit
aerosol
tobacco
molded body
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.)
Ceased
Application number
PCT/JP2021/046676
Other languages
English (en)
Japanese (ja)
Inventor
友一 渡辺
貴久 工藤
光史 松本
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/JP2021/046676 priority Critical patent/WO2023112292A1/fr
Publication of WO2023112292A1 publication Critical patent/WO2023112292A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the present invention relates to an atomization unit, a suction tool, and a method for manufacturing an atomization unit.
  • a non-combustion heating type suction tool there is a liquid storage part that stores a predetermined liquid, and an electric load that introduces the liquid in the liquid storage part and atomizes the introduced liquid to generate an aerosol. and , wherein powder of tobacco leaves is dispersed in the liquid of the liquid container (see, for example, Patent Document 1).
  • Patent Document 2 discloses a basic configuration of a non-combustion heating suction tool.
  • Patent Document 3 discloses information on tobacco leaf extracts.
  • Non-Patent Document 1 discloses a technique related to nicotine.
  • the present invention has been made in view of the above, and one of the objects thereof is to provide a technique capable of suppressing the movement of the liquid adhering to the aerosol flow path.
  • an atomization unit includes an atomization unit that atomizes a liquid to generate an aerosol, and an aerosol flow path through which the aerosol generated by the atomization unit passes. and a tobacco molded body disposed in the aerosol flow path, wherein the tobacco molded body has an exposed surface exposed to the aerosol flow path, and the exposed surface includes a liquid capturing portion.
  • the liquid adhering to the aerosol flow path is captured by the liquid capturing portion of the tobacco molded body, and movement of the liquid can be suppressed.
  • a suction tool that prevents the liquid from being sucked into the user, giving the user an undesirable taste, or adversely affecting the operation of the user.
  • the tobacco molded body may have a hollow portion, and the exposed surface may be formed as an inner surface of the hollow portion.
  • the exposed surface is formed so as to surround the aerosol channel, it is possible to efficiently capture the liquid adhering to the aerosol channel.
  • the tobacco molded body may have at least one of a folded structure and a rolled structure.
  • the surface area of the liquid capturing portion per volume of the aerosol flow path can be increased, and the liquid can be efficiently captured.
  • the liquid trapping portion may be formed in a portion having a density of 1 g/cm 3 or less.
  • the liquid capturing section can more efficiently capture the liquid adhering to the aerosol flow path.
  • the arithmetic mean surface roughness Sa of the liquid trapping portion may be 30 ⁇ m or more and 1000 ⁇ m or less.
  • the liquid capturing section can more efficiently capture the liquid adhering to the aerosol flow path.
  • the atomization unit includes a liquid storage section that stores the liquid, and a wall section that defines the liquid storage section includes a first hole having a first inner diameter and the first hole.
  • a second hole having a second inner diameter larger than the first inner diameter may be formed, and the tobacco molded body may be arranged in the second hole.
  • the liquid containing portion, the aerosol flow path, and the tobacco molded body can be arranged close to each other, and the atomization unit can be made compact.
  • the atomizing liquid may further include at least one of tobacco extract, natural nicotine, and synthetic nicotine.
  • the flavor can be adjusted by atomizing the natural nicotine or synthetic nicotine contained in the tobacco extract via the atomizing liquid.
  • a suction tool according to one aspect of the present invention includes the atomizing unit for a suction tool according to any one of aspects 1 to 7 above.
  • the liquid adhering to the aerosol flow path is captured by the liquid capturing portion of the tobacco molded body, and movement of the liquid can be suppressed. Accordingly, it is possible to prevent the liquid from being sucked by the user, giving an undesirable taste, and adversely affecting the operation of the suction tool.
  • a method for manufacturing an atomization unit according to one aspect of the present invention is a method for manufacturing an atomization unit for a suction device according to aspects 1 to 7, wherein the shape of the aerosol flow path is molding said tobacco molded body into a shape based on.
  • the liquid adhering to the aerosol flow path is captured by the liquid capturing portion of the tobacco molded body, and movement of the liquid can be suppressed.
  • a suction tool that prevents the liquid from being sucked and giving an undesirable taste to the user and from adversely affecting the operation of the suction tool.
  • FIG. 4 is a schematic cross-sectional view showing the main part of the atomization unit of the suction tool according to the embodiment;
  • FIG. 3 is a diagram schematically showing a cross section taken along line A1-A1 of FIG. 2;
  • FIG. 3 is a diagram schematically showing a cross section taken along line A2-A2 of FIG. 2;
  • FIG. 3 is a schematic perspective view of a molded body according to the embodiment;
  • FIG. 4B is a diagram schematically showing a BB line cross section of FIG. 4A.
  • FIG. 4 is a diagram showing the results of measuring the TPM reduction rate with respect to the amount of carbonized components contained in 1 g of extract. It is a flow chart for explaining a manufacturing method concerning the above-mentioned embodiment.
  • a suction tool 10 according to an embodiment of the present invention will be described below with reference to the drawings. It should be noted that the drawings of the present application are schematically illustrated in order to facilitate understanding of the features of the embodiments, and the dimensional ratios and the like of each component are not necessarily the same as the actual ones. In addition, XYZ orthogonal coordinates are illustrated in the drawings of the present application as needed.
  • FIG. 1 is a perspective view schematically showing the appearance of a suction tool 10 according to this embodiment.
  • the suction tool 10 according to the present embodiment is a non-combustion heating suction tool, specifically, a non-combustion heating electronic cigarette.
  • the suction tool 10 extends in the direction of the central axis CL of the suction tool 10 .
  • the suction tool 10 has a “longitudinal direction (the direction of the central axis CL),” a “width direction” perpendicular to the longitudinal direction, and a “thickness direction” perpendicular to the longitudinal direction and the width direction. , and has an external shape.
  • the dimensions of the suction tool 10 in the longitudinal direction, width direction, and thickness direction decrease in this order.
  • the Z-axis direction corresponds to the longitudinal direction
  • the X-axis direction corresponds to It corresponds to the width direction
  • the Y-axis direction corresponds to the thickness direction.
  • the suction tool 10 has a power supply unit 11 and an atomization unit 12.
  • the power supply unit 11 is detachably connected to the atomization unit 12 .
  • a battery as a power supply, a control device, and the like are arranged inside the power supply unit 11.
  • the atomization unit 12 is connected to the power supply unit 11, the power supply of the power supply unit 11 and the load 40 of the atomization unit 12, which will be described later, are electrically connected.
  • the atomization unit 12 is provided with a discharge port 13 for discharging air (that is, air). Air containing aerosol is discharged from this discharge port 13 .
  • air that is, air
  • the user of the suction tool 10 can suck the air discharged from the discharge port 13 .
  • the power supply unit 11 is provided with a sensor that outputs the value of the pressure change inside the suction tool 10 caused by the user's suction through the discharge port 13 .
  • the sensor senses the start of sucking air and notifies the control device, which starts energizing the load 40 of the atomization unit 12, which will be described later. Further, when the user finishes sucking air, the sensor senses the finish of sucking air and informs the control device, and the control device stops energizing the load 40 .
  • the power supply unit 11 may be provided with an operation switch for transmitting an air suction start request and an air suction end request to the control device by user's operation.
  • the user can operate the operation switch to transmit an air suction start request or a suction end request to the control device.
  • the control device Upon receiving the air suction start request and suction end request, the control device starts and terminates energization of the load 40 .
  • the configuration of the power supply unit 11 as described above is the same as that of the power supply unit of a known suction device as exemplified in Patent Document 2, for example, so further detailed description will be omitted.
  • FIG. 2 is a schematic cross-sectional view showing the main part of the atomization unit 12 of the suction tool 10.
  • FIG. 2 schematically shows a cross section of the main part of the atomization unit 12 taken along a plane including the central axis CL.
  • 3A and 3B are diagrams schematically showing A1-A1 line cross-sections and A2-A2 line cross-sections (that is, cross-sections cut along a cutting plane normal to the central axis CL) of FIG. 2, respectively.
  • the atomization unit 12 will be described with reference to FIGS. 2, 3A and 3B.
  • the atomization unit 12 includes a plurality of walls (walls 70a to 70f, walls 710, and 720) extending in the longitudinal direction (direction of the central axis CL) and extending in the width direction. A plurality of walls (walls 71a to 71c, wall 730) are provided.
  • the atomization unit 12 also includes an air passage 20 , a wick 30 , an electrical load 40 , a liquid container 50 and a molding 60 .
  • the air passage 20 is a passage through which air passes when the user inhales air (that is, inhales aerosol).
  • the air passage 20 according to this embodiment includes an upstream passage portion, a load passage portion 22 and an aerosol passage 23 .
  • the upstream passage portion according to the present embodiment includes a plurality of upstream passage portions, specifically, an upstream passage portion 21a (“first upstream passage portion”) and an upstream passage portion 21b. (“second upstream passage portion”).
  • the upstream passage portions 21a and 21b are arranged upstream of the load passage portion 22 (upstream in the direction of air flow). Downstream end portions of the upstream passage portions 21 a and 21 b communicate with the load passage portion 22 .
  • the load passage portion 22 is a passage portion in which the load 40 is arranged.
  • the aerosol flow path 23 is a passage portion arranged on the downstream side (downstream side in the air flow direction) of the load passage portion 22 . An upstream end portion of the aerosol flow path 23 communicates with the load passage portion 22 . Further, the downstream end of the aerosol channel 23 communicates with the discharge port 13 described above. Air that has passed through the aerosol flow path 23 is discharged from the discharge port 13 .
  • the upstream passage portion 21a is provided in a region surrounded by the wall portion 70a, the wall portion 70b, the wall portion 70e, the wall portion 70f, the wall portion 71a, and the wall portion 71b.
  • the upstream passage portion 21b is provided in a region surrounded by the wall portion 70c, the wall portion 70d, the wall portion 70e, the wall portion 70f, the wall portion 71a, and the wall portion 71b.
  • the load passage portion 22 is provided in a region surrounded by the wall portion 70a, the wall portion 70d, the wall portion 70e, the wall portion 70f, the wall portion 71b, and the wall portion 71c.
  • the aerosol channel 23 includes a first aerosol passage 231 and a second aerosol passage 232.
  • the first aerosol passage 231 and the second aerosol passage 232 are connected so that the aerosol can move.
  • the first aerosol passage 231 is provided in a region surrounded by the tubular wall portion 710 .
  • the second aerosol passage 232 is provided in a region surrounded by the cylindrical shaped body 60 .
  • a hole 72a and a hole 72b are provided in the wall portion 71a. Air flows into the upstream passage portion 21a through the hole 72a, and flows into the upstream passage portion 21b through the hole 72b. Further, holes 72c and 72d are provided in the wall portion 71b. Air passing through the upstream passage portion 21a flows into the load passage portion 22 through the hole 72c, and air passing through the upstream passage portion 21b flows into the load passage portion 22 through the hole 72d.
  • the direction of air flow in the upstream passage portions 21 a and 21 b is opposite to the direction of air flow in the aerosol channel 23 .
  • the direction of air flow in the upstream passages 21a and 21b is the -Z direction
  • the direction of air flow in the aerosol channel 23 is the Z direction.
  • the upstream passage portion 21a and the upstream passage portion 21b according to the present embodiment are arranged such that the liquid storage portion 50 is formed by the upstream passage portion 21a and the upstream passage portion 21b. are arranged adjacent to the liquid containing portion 50 so as to sandwich the .
  • the upstream passage portion 21a has the liquid storage portion 50 therebetween in a cross-sectional view cut along a cut plane normal to the central axis CL. It is arranged on one side (the side in the -X direction).
  • the upstream passage portion 21b is arranged on the other side (the side in the X direction) across the liquid storage portion 50 in this cross-sectional view.
  • the upstream passage portion 21 a is arranged on one side of the liquid containing portion 50 in the width direction of the suction tool 10
  • the upstream passage portion 21 b is arranged on the side of the liquid containing portion 50 in the width direction of the suction tool 10 . located on the other side.
  • the wick 30 is a member for introducing the liquid in the liquid storage section 50 to the load 40 in the load passage section 22 .
  • the specific configuration of the wick 30 is not particularly limited as long as it has such a function. 50 liquids are introduced to the load 40;
  • the load 40 is an electrical load for introducing the liquid in the liquid containing portion 50 and atomizing the introduced liquid to generate an aerosol.
  • a specific configuration of the load 40 is not particularly limited, and for example, a heating element such as a heater or an element such as an ultrasonic generator can be used.
  • a heater is used as an example of the load 40 .
  • a heating resistor that is, a heating wire
  • a ceramic heater that is, a ceramic heater, a dielectric heating type heater, or the like
  • a heating resistor is used as an example of this heater.
  • the heater as the load 40 has a coil shape. That is, the load 40 according to this embodiment is a so-called coil heater. This coil heater is wound around a wick 30 .
  • the load 40 is arranged in the wick 30 portion inside the load passage portion 22 as an example.
  • the load 40 is electrically connected to the power supply and the control device of the power supply unit 11 described above, and heats up when electricity from the power supply is supplied to the load 40 (that is, heats up when energized). Also, the operation of the load 40 is controlled by a control device.
  • the load 40 heats the liquid in the liquid containing portion 50 introduced into the load 40 through the wick 30 to atomize the liquid to generate an aerosol.
  • the configurations of the wick 30 and the load 40 are the same as the wick and the load used in a known suction tool as exemplified in Patent Document 2, for example, so further detailed description will be omitted.
  • the liquid storage part 50 is a part for storing an atomization liquid such as tobacco leaf extract. This liquid is hereinafter referred to as an atomizing liquid Ld.
  • the atomizing liquid Ld contains the flavor component of tobacco leaves.
  • the liquid storage portion 50 according to the present embodiment is provided in a region surrounded by the wall portion 70b, the wall portion 70c, the wall portion 70e, the wall portion 70f, the wall portion 70g, the wall portion 71a, and the wall portion 71b. defined by a wall.
  • Wall portion 70 g includes wall portion 710 , wall portion 720 , and wall portion 730 .
  • the liquid containing portion 50 is provided with a through hole having cylindrical wall portions 710 and 720 as inner surfaces along the direction of the central axis CA.
  • the aerosol flow path 23 described above is provided in the through hole.
  • the wall portion 710 and the wall portion 720 of the present embodiment are cylindrical with the center axis CL as an axis.
  • the inner surface of the wall portion 710 is the inner surface of the first hole H1 having the first inner diameter W1.
  • the inner surface of the wall portion 720 is the inner surface of the second hole H2 having the second inner diameter W2.
  • the second inner diameter W2 is larger than the first inner diameter W1, and the compact 60 is arranged in the second hole H2.
  • the inner diameter is the maximum diameter in the cross section of the hole.
  • the second hole H2 is formed downstream of the aerosol flow channel 23 rather than the first hole H1, and thus the compact 60 is arranged downstream of the aerosol flow channel 23.
  • the molded body 60 may be provided on the wick 30 side of the aerosol channel 23 or may be provided in the central portion of the aerosol channel. Also, the molded body 60 can be provided in any range of the aerosol flow path 23, for example, it may be provided over the wall portion 71a on the downstream side from the central portion. Since the first inner diameter W1 and the second inner diameter W2 are different, the walls 710 and 720 are physically connected by the wall 730 formed along the XY plane.
  • the wall portion 70g defining the liquid containing portion 50 has a first hole H1 having a first inner diameter W1 and a second inner diameter W2 larger than the first inner diameter W1.
  • a through hole including the second hole H2 is formed, and the compact 60 is arranged in the second hole H2.
  • the atomizing liquid Ld is preferably a tobacco raw material extract.
  • Tobacco raw materials refer to raw materials derived from tobacco plants such as tobacco leaves, backbones, stems and roots.
  • tobacco leaf broadly includes core bones, but in the following embodiments, the mesophyll portion called lamina is referred to as tobacco leaf.
  • the lamina is a particularly fragrant portion, and the atomizing liquid Ld is more preferably tobacco leaf extract.
  • a liquid containing a flavor component extracted from the tobacco material such as tobacco leaves in a predetermined solvent can be used as the extract of the tobacco material such as tobacco leaves.
  • the specific type of the predetermined solvent is not particularly limited, for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, Alternatively, a liquid containing two or more substances selected from this group can be used. Glycerin and propylene glycol can be used as examples of predetermined solvents.
  • tobacco leaf flavor components contained in the atomizing liquid Ld include natural nicotine and neophytadiene.
  • the atomizing liquid Ld may contain at least one of natural nicotine and synthetic nicotine instead of or in addition to flavor components extracted from tobacco materials such as tobacco leaves.
  • nicotine contained in the atomizing liquid Ld may be natural nicotine alone or synthetic nicotine alone. , both natural and synthetic nicotine.
  • natural nicotine is generally considered to be cheaper than synthetic nicotine
  • the manufacturing cost of the inhaler 10 is generally lower when natural nicotine is used than when synthetic nicotine is used. can be made cheaper.
  • natural nicotine contained in the atomizing liquid Ld may be Synthetic nicotine is preferably used in conjunction with or in place of natural nicotine.
  • Natural nicotine When natural nicotine is used as the nicotine contained in the atomizing liquid Ld, natural nicotine extracted and refined from tobacco leaves can be used as the natural nicotine.
  • a well-known technique as exemplified in Non-Patent Document 1 can be applied, and detailed description thereof will be omitted.
  • the tobacco leaf extract is purified to remove components other than natural nicotine from the tobacco leaf extract as much as possible, thereby reducing natural nicotine. Purified and natural nicotine with this enhanced purity may be used.
  • the purity of the natural nicotine contained in the predetermined solvent of the liquid for atomization Ld may be 99.9 wt% or more (that is, in this case, the impurities contained in the natural nicotine ( ingredients other than natural nicotine) is less than 0.1 wt%).
  • the synthetic nicotine when synthetic nicotine is used as the nicotine contained in the atomizing liquid Ld, nicotine produced by chemical synthesis using chemical substances can be used as the synthetic nicotine.
  • the purity of this synthetic nicotine may also be 99.9 wt% or more, like natural nicotine.
  • the method for producing synthetic nicotine is not particularly limited, and known production methods can be used.
  • the ratio (% by weight (wt %)) of at least one of natural nicotine and synthetic nicotine contained in the atomizing liquid Ld of the liquid storage unit 50 is not particularly limited, but is, for example, 0.1 wt % or more. Values selected from the range up to 0.5 wt% can be used.
  • FIG. 4A is a schematic perspective view of the molded body 60
  • FIG. 4B is a cross-sectional view taken along line BB of FIG. 4A.
  • the molded body 60 is formed by solidifying tobacco raw materials such as tobacco leaves into a predetermined shape.
  • a molded body 60 according to the present embodiment has a first surface 61, a second surface 62 facing the first surface 61, and a connection surface 63 connecting the first surface 61 and the second surface 62.
  • the molded body 60 has a cylindrical main body, the first surface 61 corresponds to the bottom surface, and the connecting surface 63 corresponds to the cylindrical surface.
  • An opening 610 is formed in the first surface 61 and the second surface 62, and a hollow portion 600 passing through the molded body 60 is formed.
  • An inner surface 620 of the hollow portion 600 is an exposed surface exposed to the aerosol flow path 23 (FIG. 2).
  • a liquid capturing portion CP is formed on this exposed surface. Since the liquid capturing part CP is arranged on the inner surface 620 of the hollow part 600, the liquid capturing part CP can be arranged so as to surround the aerosol channel 23, and the liquid in the aerosol channel 23 can be efficiently captured. can be done.
  • the shape and size of the liquid capturing part CP are not particularly limited as long as it is the surface of a member that absorbs or retains liquid.
  • the surface of tobacco leaves or residues of flavor components extracted from tobacco leaves absorbs liquid, and thus functions as a liquid capture portion CP.
  • the liquid capturing portion CP is preferably formed in a portion of the compact 60 where the density is 1 g/cm 3 or less. This is because the lower the density, the more efficiently the liquid tends to be absorbed. In order to efficiently absorb the liquid, it is preferable that the surface roughness of the liquid trapping portion CP is within an appropriate range.
  • the liquid trapping portion CP preferably has an arithmetic mean surface roughness Sa of 30 ⁇ m or more and 1000 ⁇ m or less, more preferably 30 ⁇ m or more and 500 ⁇ m or less, and even more preferably 30 ⁇ m or more and 100 ⁇ m or less.
  • the shape of the molded body 60 is not particularly limited as long as the surface that functions as the liquid capturing part CP is exposed to the aerosol flow path 23 .
  • the molded body 60 may have a plurality of through-holes each serving as a hollow portion.
  • the shape of the wall surface that defines the hollow portion is not particularly limited, and it may have the shape of the side surface of a polygonal prism as well as the cylindrical surface.
  • the molded body 60 may have a honeycomb structure.
  • the molded body 60 does not necessarily require a hollow portion 600, and may be, for example, a rod-like shape (that is, a shape whose length is longer than its width) extending in a predetermined direction, or a cubic shape (having sides of the same length).
  • the liquid capturing portion CP preferably has at least one of a folded structure and a wound structure.
  • a folded structure is a structure that includes one or more fold lines.
  • the wound structure is a structure in which the sheet-shaped molded bodies 60 overlap in the radial direction.
  • the sheet-shaped molded body 60 may be folded into a bellows shape, or may be wound so that the cross section perpendicular to the rotating shaft has a spiral shape and placed in the atomization unit 12 .
  • the number of molded bodies 60 arranged in the atomization unit 12 is not particularly limited as long as the surface that functions as the liquid capturing part CP is exposed in the aerosol flow path 23 .
  • the size of the molded body 60 is not particularly limited as long as the surface that functions as the liquid capturing portion CP is exposed to the aerosol channel 23 .
  • Specific values of the width (that is, outer diameter) (W), which is the length in the lateral direction of the molded body 60, and the total length (L), which is the length in the longitudinal direction of the molded body 60, are particularly limited.
  • an example of the numerical value is as follows. That is, as the width (W) of the molded body 60, a value selected from a range of, for example, 2 mm or more and 20 mm or less can be used.
  • the total length (L) of the molded body 60 a value selected from the range of, for example, 5 mm or more and 50 mm or less can be used. However, these values are merely examples of the width (W) and the total length (L) of the molded body 60, and the width (W) and the total length (L) of the molded body 60 are suitable for the size of the suction tool 10. value should be set.
  • the size and shape of the hollow portion 600 of the molded body 60 are not particularly limited as long as the user can inhale the aerosol through the aerosol flow path 23 .
  • the cross-sectional shape and inner diameter of the hollow portion 600 should be substantially the same as the cross-sectional shape and inner diameter of the first aerosol flow path 231 defined by the wall portion 710 from the viewpoint of efficiently inhaling the aerosol. preferable.
  • the density (mass per unit volume) of the compact 60 is, for example, 1100 mg/cm 3 or more and 1450 mg/cm 3 or less.
  • the density of the compact 60 is not limited to this, and may be less than 1100 mg/cm 3 or greater than 1450 mg/cm 3 .
  • the suction using the suction tool 10 is performed as follows. First, when the user starts sucking air, the air passes through the upstream passage portions 21 a and 21 b of the air passage 20 and flows into the load passage portion 22 . Aerosol generated in the load 40 is added to the air that has flowed into the load passage portion 22 . This aerosol contains the flavor component contained in the atomizing liquid Ld. The air to which the aerosol has been added passes through the aerosol flow path 23 and is discharged from the discharge port 13 to be sucked by the user.
  • the atomization unit 12 is arranged in a load 40 that atomizes the atomizing liquid Ld to generate an aerosol, an aerosol channel 23 through which the aerosol generated by the load 40 passes, and the aerosol channel 23.
  • the molded body 60 is formed with an inner surface 620 exposed to the aerosol flow path 23, and the inner surface 620 includes the liquid capturing portion CP.
  • movement of the liquid adhering to the aerosol channel 23 can be suppressed.
  • the amount (mg) of the carbonized component contained in 1 g of the extract used as the atomizing liquid Ld is preferably 6 mg or less, more preferably 3 mg or less.
  • carbonized component refers to a component that becomes a carbide when heated to 250°C.
  • carbonized component refers to a component that does not form a carbide at a temperature of less than 250°C, but that forms a carbide when the temperature is maintained at 250°C for a predetermined period of time.
  • the “amount (mg) of carbonized components contained in 1 g of the extract” can be measured, for example, by the following method. First, a predetermined amount (g) of extract is prepared. Next, this extract is heated to 180° C. to volatilize the solvent (liquid component) contained in the extract, thereby obtaining a “residue composed of non-volatile components”. The residue is then heated to 250° C. to carbonize the residue to obtain a carbide. The amount (mg) of this carbide is then measured. By the above method, the amount (mg) of charcoal contained in a predetermined amount (g) of liquid extract can be measured. The amount (mg) of the component can be calculated.
  • FIG. 5 is a diagram showing the results of measuring the TPM reduction rate with respect to the amount of carbonized components contained in 1 g of the extract.
  • the horizontal axis of FIG. 5 indicates the amount of carbonized components contained in 1 g of the extract, and the vertical axis indicates the TPM reduction rate (R TPM ) (%).
  • the TPM reduction rate (R TPM : %) in FIG. 5 was measured by the following method. First, a plurality of suction tool samples having different amounts of carbonized components contained in 1 g of the extract were prepared. Specifically, five samples (sample SA1 to sample SA5) were prepared as samples of the plurality of suction tools. These five samples were prepared by the following steps.
  • Step 1 20 (wt%) of potassium carbonate in terms of dry weight was added to tobacco raw material composed of tobacco leaves, and then heat distillation treatment was performed.
  • the distillation residue after the heat distillation treatment is immersed in water of 15 times the weight of the tobacco raw material before the heat distillation treatment for 10 minutes, dehydrated with a dehydrator, and then dried with a dryer to obtain tobacco. A residue was obtained.
  • Step 2 Next, a portion of the tobacco residue obtained in step 1 was washed with water to prepare a tobacco residue containing a small amount of charcoal.
  • Step 3 25 g of an immersion liquid (propylene glycol 47.5 wt%, glycerin 47.5 wt%, water 5 wt%) as an extract liquid was added to 5 g of the tobacco residue obtained in step 2, and the temperature of the immersion liquid was raised to 60. °C and allowed to stand. By varying the standing time (that is, the immersion time in the immersion liquid), the amount of carbonized component eluted into the immersion liquid (extract) was varied.
  • an immersion liquid propylene glycol 47.5 wt%, glycerin 47.5 wt%, water 5 wt%
  • the CRM 81 smoking condition is a condition in which 55 cc of aerosol is inhaled over 3 seconds, and is performed multiple times every 30 seconds.
  • the amount of total particulate matter collected by the Cambridge filter of the automatic smoking machine was then measured. Based on the measured amount of total particulate matter, the TPM reduction rate (R TPM ) was calculated using the following formula (1).
  • the TPM reduction rate (R TPM ) in FIG. 5 was measured by the above method.
  • R TPM (%) (1-TPM (201 puff to 250 puff) / TPM (1 puff to 50 puff)) x 100 (1)
  • TPM Total Particle Molecule
  • TPM (1 puff to 50 puff) indicates the amount of total particulate matter collected by the Cambridge filter from the 1st puff to the 50th puff of the automatic smoking machine.
  • TPM (201 puff to 250 puff) indicates the amount of total particulate matter captured by the Cambridge filter from the 201st puff to the 250th puff of the automatic smoking machine.
  • the TPM reduction rate (R TPM ) in Equation (1) is defined as "the amount of total particulate matter collected by the Cambridge filter from the 201st puff to the 250th puff of the automatic smoking machine. 1 minus the value obtained by dividing by the amount of total particulate matter collected by the Cambridge filter from the 1st puff to the 50th puff, and multiplied by 100.
  • FIG. 6 is a flowchart for explaining the manufacturing method of the atomization unit 12 according to this embodiment.
  • An example of extracting flavor components from tobacco leaves will be described below, but tobacco raw materials other than tobacco leaves may be used.
  • step S10 flavor components are extracted from tobacco leaves.
  • the specific method of step S10 is not particularly limited, for example, the following method can be used.
  • an alkaline substance is applied to tobacco leaves (referred to as alkaline treatment).
  • a basic substance such as an aqueous solution of potassium carbonate can be used.
  • the alkali-treated tobacco leaves are heated at a predetermined temperature (for example, a temperature of 80°C or more and less than 150°C) (referred to as heat treatment). Then, during this heat treatment, for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, or a substance selected from this group Two or more substances are brought into contact with tobacco leaves.
  • a predetermined temperature for example, a temperature of 80°C or more and less than 150°C
  • heat treatment for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, or a substance selected from this group Two or more substances are brought into contact with tobacco leaves.
  • flavor components are included here
  • the collection solvent for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, or two types selected from this group The above substances can be used.
  • a collection solvent containing flavor components can be obtained (that is, flavor components can be extracted from tobacco leaves).
  • step S10 can be configured without using the collection solvent as described above. Specifically, in this case, after subjecting the alkali-treated tobacco leaves to the above-described heat treatment, the components released from the tobacco leaves into the gas phase are cooled using a condenser or the like. can be condensed to extract flavor components.
  • step S10 may be configured without the alkali treatment as described above.
  • tobacco leaves tobacco leaves that have not been subjected to alkali treatment
  • glycerin glycerin
  • propylene glycol glycerin
  • triacetin 1,3-butanediol
  • water glycerin
  • triacetin 1,3-butanediol
  • water water
  • a selected substance or two or more substances selected from this group are added.
  • the tobacco leaves to which this has been added are heated, and the components released during this heating are collected in a collection solvent or condensed using a condenser or the like. Flavor components can also be extracted by such a process.
  • step S10 an aerosol in which one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water is aerosolized, or an aerosol selected from this group
  • Tobacco leaves tobacco leaves that have not been subjected to alkali treatment
  • the aerosol that has passed through the tobacco leaves is collected by a collection solvent.
  • Flavor components can also be extracted by such a process.
  • step S10 extraction step
  • step S10 reduces "the amount of carbonized components that become carbonized when heated to 250 ° C.” contained in the flavor components extracted by the above-described method. It may further include According to this configuration, it is possible to effectively suppress adhesion of carbonized components to the load 40 . As a result, scorching of the load 40 can be effectively suppressed.
  • a specific method for reducing the amount of the carbonized component contained in the extracted flavor component is not particularly limited, but for example, the component precipitated by cooling the extracted flavor component is
  • the amount of carbonized components contained in the extracted flavor component may be reduced by filtering with filter paper or the like.
  • the amount of carbonized components contained in the extracted flavor component may be reduced by centrifuging the extracted flavor component with a centrifuge.
  • a reverse osmosis membrane RO filter
  • step S10 After step S10, a molding process related to step S20 and a concentration process related to step S100 described below are executed.
  • step S20 the "tobacco residue", which is the tobacco leaves extracted in the extraction step of step S10, is solidified into a shape based on the shape of the second aerosol flow path 232 (in this embodiment, a cylindrical shape as an example). ) to manufacture the molded body 60 .
  • Tobacco raw materials such as tobacco leaves can absorb liquid, so if tobacco leaves or the like are exposed on the inner side surface 620 of the molded body 60 exposed in the second aerosol flow path 232, they function as the liquid capturing portion CP.
  • the inner surface 620 or other surfaces of the molded body 60 may be coated, or a resin may be used to harden the tobacco residue into a predetermined shape.
  • a material other than tobacco material that absorbs or retains liquid may be disposed on inner surface 620 .
  • the coating or resin may be recessed to expose tobacco residue.
  • step S30 the assembly process related to step S30 is executed. Specifically, in step S30, the atomization unit 12 in which the molded body 60 is not stored is prepared, and the second hole H2 defined by the wall portion 70g of the liquid storage portion 50 of the atomization unit 12 is , the compact 60 after step S20 is housed. Note that step S30 may be performed after step S40, which will be described later.
  • the flavor components extracted in step S10 are concentrated.
  • the flavor components contained in the collection solvent containing the flavor components extracted in step S10 are concentrated.
  • a concentration step is preferable in that the amount of flavor components contained in the tobacco leaf extract can be increased.
  • step S200 by adding the flavor component extracted in step S10 (specifically, here, the flavor component after being concentrated in step S100) to a predetermined solvent, tobacco Manufacture leaf extract.
  • a predetermined solvent for example, one substance selected from the group consisting of glycerin, propylene glycol, triacetin, 1,3-butanediol, and water, Alternatively, two or more substances selected from this group can be used.
  • step S40 the accommodation process related to step S40 is executed. Specifically, in step S40, the atomization unit 12 containing the compact 60 in step S30 is prepared. contain "liquid”. Through the steps described above, the atomization unit 12 of the suction tool 10 according to the present modification is manufactured. The atomization unit 12 is connected with the power supply unit 11 to manufacture the suction tool 10 .
  • the suction device 10 is atomized by suppressing the movement of the liquid in the aerosol flow path 23 while effectively utilizing the tobacco residue as the material of the molded body 60.
  • Unit 12 can be manufactured.
  • step S200 the tobacco leaf extract may be produced by adding the flavor component extracted in step S10 to a predetermined solvent. Also in this modified example, the atomization unit 12 of the suction tool 10 that suppresses movement of the liquid in the aerosol flow path 23 can be manufactured.
  • Modification 2 In the manufacturing method of the above-described embodiment, a configuration that does not include step S40 is also possible.
  • the user is provided with the atomization unit 12 that does not contain the liquid for atomization Ld, and the user can store the desired liquid for atomization Ld in the liquid storage section 50 .
  • Modification 3 In the manufacturing method of the above-described embodiment, steps S100 and S200 are omitted, and the atomizing liquid Ld containing a flavor component such as synthetic nicotine is prepared separately. may be accommodated in In the manufacturing method of this modified example, it is possible to manufacture the atomization unit 12 of the inhaler 10 that does not require natural tobacco raw materials and that suppresses movement of the liquid in the aerosol flow path 23 .
  • the liquid containing portion 50 may contain the atomizing liquid Ld containing purified natural nicotine. In this case, the use of pre-purified natural nicotine eliminates the need for an extraction operation.

Landscapes

  • Manufacture Of Tobacco Products (AREA)

Abstract

Une unité d'atomisation (12) comprend : une partie d'atomisation (40) qui atomise un liquide (Ld) pour générer un aérosol ; une voie d'écoulement d'aérosol (23) dans laquelle l'aérosol généré par la partie d'atomisation (40) passe ; et un corps moulé de tabac (60) qui est disposé dans la voie d'écoulement d'aérosol (23), une surface d'exposition (620) qui est exposée à la voie d'écoulement d'aérosol (23) étant formée sur le corps moulé de tabac (60), et la surface d'exposition (620) comprenant une partie de capture de liquide (CP).
PCT/JP2021/046676 2021-12-17 2021-12-17 Unité d'atomisation, dispositif d'inhalation et procédé de production d'unité d'atomisation Ceased WO2023112292A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/046676 WO2023112292A1 (fr) 2021-12-17 2021-12-17 Unité d'atomisation, dispositif d'inhalation et procédé de production d'unité d'atomisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/046676 WO2023112292A1 (fr) 2021-12-17 2021-12-17 Unité d'atomisation, dispositif d'inhalation et procédé de production d'unité d'atomisation

Publications (1)

Publication Number Publication Date
WO2023112292A1 true WO2023112292A1 (fr) 2023-06-22

Family

ID=86773898

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/046676 Ceased WO2023112292A1 (fr) 2021-12-17 2021-12-17 Unité d'atomisation, dispositif d'inhalation et procédé de production d'unité d'atomisation

Country Status (1)

Country Link
WO (1) WO2023112292A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020110069A (ja) * 2019-01-10 2020-07-27 岡野　哲也 エアロゾル吸引装置
WO2021100110A1 (fr) * 2019-11-19 2021-05-27 日本たばこ産業株式会社 Unité d'atomisation et inhalateur d'arôme de type à chauffage sans combustion
JP6899480B1 (ja) * 2020-11-20 2021-07-07 日本たばこ産業株式会社 エアロゾル生成装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020110069A (ja) * 2019-01-10 2020-07-27 岡野　哲也 エアロゾル吸引装置
WO2021100110A1 (fr) * 2019-11-19 2021-05-27 日本たばこ産業株式会社 Unité d'atomisation et inhalateur d'arôme de type à chauffage sans combustion
JP6899480B1 (ja) * 2020-11-20 2021-07-07 日本たばこ産業株式会社 エアロゾル生成装置

Similar Documents

Publication Publication Date Title
US12137727B2 (en) Aerosol generating article and aerosol generating device comprising same
RU2710775C2 (ru) Устройство для нагревания материала, который возможно курить, изделие для использования с этим устройством и способ изготовления изделия
RU2664351C1 (ru) Изделие для использования с устройством для нагревания материала, который возможно курить
KR102529133B1 (ko) 에어로졸 발생 시스템
WO2023112292A1 (fr) Unité d'atomisation, dispositif d'inhalation et procédé de production d'unité d'atomisation
WO2023105746A1 (fr) Outil d'inhalation et procédé de fabrication d'unité d'atomisation pour outil d'inhalation
WO2023162197A1 (fr) Unité d'atomisation de dispositif d'inhalation, dispositif d'inhalation et procédé de fabrication d'unité d'atomisation de dispositif d'inhalation
JP7710519B2 (ja) 吸引具及び吸引具の製造方法
JP7671351B2 (ja) 吸引具、及び、吸引具の霧化ユニットの製造方法
WO2023162195A1 (fr) Unité d'atomisation de dispositif d'inhalation, dispositif d'inhalation et procédé de fabrication d'unité d'atomisation de dispositif d'inhalation
WO2023112132A1 (fr) Inhalateur et procédé de fabrication d'un inhalateur
WO2023188323A1 (fr) Unité d'atomisation, procédé de fabrication associé et dispositif d'inhalation
WO2023112130A1 (fr) Procédé de production d'unité d'atomisation
WO2023188325A1 (fr) Unité d'atomisation, son procédé de production et dispositif d'inhalation
WO2023188324A1 (fr) Unité d'atomisation et son procédé de production, et outil d'inhalation
WO2023188376A1 (fr) Unité d'atomisation, procédé de fabrication associé et appareil d'inhalation
WO2023188326A1 (fr) Unité d'atomisation, procédé de fabrication associé et appareil d'inhalation
WO2023188321A1 (fr) Unité d'atomisation et son procédé de fabrication, et dispositif d'inhalation
WO2023188436A1 (fr) Unité d'atomisation, son procédé de production et dispositif d'inhalation
WO2023188435A1 (fr) Unité d'atomisation et son procédé de production, et inhalateur
WO2023188329A1 (fr) Unité d'atomisation, instrument d'inhalation et procédé de production d'unité d'atomisation
WO2023188322A1 (fr) Unité d'atomisation et son procédé de fabrication, et dispositif d'inhalation
WO2023188375A1 (fr) Unité d'atomisation et son procédé de fabrication, et inhalateur
WO2023188374A1 (fr) Unité d'atomisation et son procédé de fabrication, et dispositif d'inhalation
WO2023188327A1 (fr) Corps moulé aromatisant et son procédé de production, unité d'atomisation et dispositif d'inhalation

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21968207

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21968207

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP