WO2024111110A1 - 非燃焼加熱型香味吸引システム - Google Patents
非燃焼加熱型香味吸引システム Download PDFInfo
- Publication number
- WO2024111110A1 WO2024111110A1 PCT/JP2022/043491 JP2022043491W WO2024111110A1 WO 2024111110 A1 WO2024111110 A1 WO 2024111110A1 JP 2022043491 W JP2022043491 W JP 2022043491W WO 2024111110 A1 WO2024111110 A1 WO 2024111110A1
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- Prior art keywords
- tobacco
- segment
- heating type
- aerosol source
- combustion heating
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
- A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
- A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
Definitions
- the present invention relates to a non-combustion heating type flavor inhalation system.
- a tobacco rod containing a tobacco filler is burned to taste the flavor.
- a non-combustion heating type flavor inhaler has been proposed, which heats the tobacco rod instead of burning it to taste the flavor.
- the tobacco rod is electrically heated at 200 to 400°C, the tobacco components are volatilized, and the user inhales.
- a tobacco rod can be formed by wrapping the tobacco filler in a paper wrapper or the like in a cylindrical shape. For example, a dried tobacco plant (mainly dried tobacco leaves) can be crushed, mixed, and molded into a sheet, which is then cut and wrapped in a paper wrapper.
- the molded product can be formed by crimping the sheet, gathering it, and wrapping it in a paper wrapper without cutting it.
- the tobacco filler can contain various volatile flavors.
- the tobacco filler can contain an aerosol source such as glycerin or propylene glycol. The aerosol source evaporates when the tobacco rod is heated, and is cooled and liquefied into an aerosol in the cooling segment located downstream of the tobacco rod while the user is inhaling, and is supplied to the user's mouth. The aerosol is supplied to the user together with the tobacco components, allowing the user to fully enjoy the flavor.
- the heating method for a non-combustion heating type flavor inhaler that electrically heats a tobacco rod includes, for example, a method of heating the outer periphery of the tobacco rod (e.g., Patent Document 1) and a method of heating the inside of the tobacco rod (e.g., Patent Document 2).
- Patent Documents 3 and 4 disclose a tobacco rod having two segments as a tobacco rod for a non-combustion heating type flavor inhaler.
- JP 2019-523639 A Patent No. 6000451 International Publication No. 2019/105750 International Publication No. 2019/110747
- the present invention aims to provide a non-combustion heating type flavor inhalation system that can reduce the amount of secondary components produced during use.
- a non-combustion heating type flavor inhaler including an aerosol source-containing segment and a tobacco component-containing segment arranged downstream of the aerosol source-containing segment; a heating device including a heater that heats the aerosol source-containing segment and does not heat the tobacco component-containing segment;
- a non-combustion heating type flavor inhalation system comprising:
- a non-combustion heating type flavor inhalation system according to any one of [1] to [3], wherein the content of the aerosol source contained in the non-combustion heating type flavor inhaler is 10 to 5,000 mg.
- [5] A non-combustion heating type flavor inhalation system according to any one of [1] to [4], in which the aerosol source-containing segment does not contain tobacco components.
- a non-combustion heating flavor inhalation system according to any one of [1] to [5], wherein the tobacco component-containing segment contains at least one tobacco material selected from the group consisting of tobacco granules, tobacco powder, tobacco shreds, tobacco sheets, and tobacco extracts.
- a non-combustion heating type flavor inhalation system according to any one of [1] to [6], wherein the non-combustion heating type flavor inhaler further contains a flavor component.
- non-combustion heating type flavor inhalation system according to any one of [1] to [10], wherein the non-combustion heating type flavor inhaler further includes at least one segment selected from the group consisting of a cooling segment formed of a first cylindrical member having perforations, a center hole segment formed of a second cylindrical member, and a filter segment.
- a non-combustion heating flavor inhalation system according to any one of [1] to [11], wherein the heating temperature of the aerosol source-containing segment by the heater is 150 to 400°C.
- the present invention provides a non-combustion heating type flavor inhalation system that can reduce the amount of secondary components produced during use.
- FIG. 2 is a schematic diagram showing an example of a non-combustion heating type flavor inhaler according to the present embodiment.
- 1 is a schematic diagram showing an example of a non-combustion heating type flavor inhalation system according to an embodiment of the present invention.
- 10 is a schematic diagram showing another example of the configuration of a heater in the non-combustion heating type flavor inhalation system according to the present embodiment.
- the non-combustion heating type flavor inhalation system includes a non-combustion heating type flavor inhaler including an aerosol source-containing segment and a tobacco component-containing segment arranged downstream of the aerosol source-containing segment, and a heating device including a heater that heats the aerosol source-containing segment but does not heat the tobacco component-containing segment.
- the aerosol source and the tobacco components are contained in different segments in the non-combustion heating type flavor inhaler. That is, the aerosol source is contained in the aerosol source-containing segment, and the tobacco components are contained in the tobacco component-containing segment.
- the heater of the heating device heats the aerosol source-containing segment, but does not heat the tobacco component-containing segment. That is, only the aerosol source-containing segment is heated by the heater. It is presumed that this prevents the tobacco components from being heated more than necessary, and reduces the amount of secondary components generated.
- the aerosol source-containing segment is heated by the heater, the aerosol source is vaporized and then cooled to generate an aerosol.
- the aerosol absorbs the tobacco components as it passes through the tobacco component-containing segment, and is supplied to the user together with the tobacco components.
- the non-combustion heating type flavor inhaler is not particularly limited as long as it includes an aerosol source-containing segment and a tobacco component-containing segment, but in addition to the aerosol source-containing segment and the tobacco component-containing segment, it may further include at least one segment selected from the group consisting of a cooling segment composed of a first cylindrical member having perforations, a center hole segment composed of a second cylindrical member, and a filter segment.
- FIG. 1(a) An example of a non-combustion heating type flavor inhaler according to this embodiment is shown in FIG. 1(a).
- the non-combustion heating type flavor inhaler 1 shown in FIG. 1(a) includes an aerosol generating rod 2 and a mouthpiece segment 3.
- the aerosol generating rod 2 includes an aerosol source-containing segment 4 that includes an aerosol source, and a tobacco component-containing segment 5 that includes tobacco components and is arranged downstream of the aerosol source-containing segment 4.
- the mouthpiece segment 3 includes, from the upstream side, a cooling segment 6 that is composed of a first cylindrical member having perforations, a center hole segment 7 that is composed of a second cylindrical member, and a filter segment 8, in this order.
- the end of the filter segment 8 is the mouthpiece, and "upstream” refers to the opposite side to the mouthpiece, and “downstream” refers to the mouthpiece side. That is, in FIG. 1(a), the aerosol source-containing segment 4 is located on the upstream side, and the filter segment 8 is located on the downstream side. Note that in this embodiment, the mouthpiece segment 3 does not need to include a center hole segment 7. During use, only the aerosol source-containing segment 4 is heated by the heater of the heating device, the aerosol source in the aerosol source-containing segment 4 is vaporized, and then cooled to generate an aerosol. The aerosol absorbs the tobacco components as it passes through the tobacco component-containing segment 5. The aerosol then moves to the mouthpiece segment 3 and is inhaled by the user from the end of the filter segment 8.
- FIG. 2 An example of a non-combustion heating type flavor inhalation system according to this embodiment is shown in FIG. 2.
- the non-combustion heating type flavor inhalation system shown in FIG. 2 includes the non-combustion heating type flavor inhaler 1 described above, and a heating device 27 that heats only the aerosol source-containing segment 4 of the non-combustion heating type flavor inhaler 1 from the outside.
- FIG. 2(a) shows the state before the non-combustion heating type flavor inhaler 1 is inserted into the heating device 27, and
- FIG. 2(b) shows the state after the non-combustion heating type flavor inhaler 1 is inserted into the heating device 27 and heated.
- the 2 includes a body 28, a heater 29, a metal tube 30, a battery unit 31, and a control unit 32.
- the body 28 has a cylindrical recess 33, and the heater 29 and the metal tube 30 are arranged on the inner side of the recess 33, facing the aerosol source-containing segment 4 of the non-combustion heating type flavor inhaler 1 inserted into the recess 33.
- the heater 29 can be a heater using electrical resistance, and is heated by power supplied from a battery unit 31 in response to an instruction from a control unit 32 that controls the temperature. The heat generated by the heater 29 is transferred to the aerosol source-containing segment 4 of the non-combustion heating type flavor inhaler 1 through a metal tube 30 with high thermal conductivity.
- FIG. 2(b) is a schematic illustration, and therefore there is a gap between the outer periphery of the non-combustion heating type flavor inhaler 1 and the inner periphery of the metal tube 30; however, in reality, for the purpose of efficient heat transfer, it is preferable that there is no gap between the outer periphery of the non-combustion heating type flavor inhaler 1 and the inner periphery of the metal tube 30.
- the heater 29 in FIG. 2 heats only the side surface of the aerosol source-containing segment 4 of the non-combustion heating type flavor inhaler 1
- the side surface and bottom surface of the aerosol source-containing segment 4 may also be heated.
- the side surface and bottom surface of the aerosol source-containing segment 4 can be heated, as with the heater 29 shown in FIG. 3(a).
- the heater 29 in FIG. 2 heats the aerosol source-containing segment 4 of the non-combustion heating type flavor inhaler 1 from the outside (external heating), but may also heat from the inside (internal heating), or may heat from both the outside and the inside.
- the heater heats from the inside, it is preferable to use a rigid plate-shaped, blade-shaped, or columnar heater without using the metal tube 30.
- Examples of such heaters include ceramic heaters in which molybdenum, tungsten, or the like is applied to a ceramic substrate.
- the inside of the aerosol source-containing segment 4 may be heated over the entire axial direction. Also, as in the heater 29 shown in FIG.
- a combination of an external heater that heats the side of the aerosol source-containing segment 4 and an internal heater that heats the inside of the aerosol source-containing segment 4 over the entire axial direction may be used.
- a susceptor material may be placed in the aerosol source-containing segment 4, and the aerosol source-containing segment 4 may be heated by induction heating. Microwave heating may be performed instead of induction heating.
- a heater that heats the aerosol source-containing segment but does not heat the tobacco component-containing segment refers to a heater that directly heats the aerosol source-containing segment but does not directly heat the tobacco component-containing segment.
- the heater is an external heater, heater 29 is provided at a position facing the aerosol source-containing segment 4, and no heater is provided at a position facing the tobacco component-containing segment 5.
- the heater is an internal heater, the heater is located within the aerosol source-containing segment, and no heater is located within the tobacco component-containing segment. Note that the tobacco component-containing segment is indirectly heated by heat transfer from the aerosol source-containing segment heated by the heater, but such indirect heating does not fall under heating by the heater in this embodiment.
- the heating temperature of the aerosol source-containing segment by the heater is preferably 150 to 400°C, and more preferably 180 to 320°C.
- a heating temperature of 150°C or higher ensures that the aerosol source is sufficiently vaporized.
- a heating temperature of 400°C or lower ensures that combustion is sufficiently prevented.
- the heating temperature refers to the temperature of the heater.
- the aerosol source-containing segment according to the present embodiment includes an aerosol source.
- the aerosol source include glycerin, propylene glycol, sorbitol, xylitol, erythritol, triacetin, and 1,3-butanediol. These may be used alone or in combination of two or more.
- the aerosol source-containing segment according to the present embodiment does not contain a tobacco component, from the viewpoint of further reducing the amount of secondarily generated components.
- the non-combustion heating type flavor inhaler contains a flavor component described later, it is preferable that the flavor component is not contained in the aerosol source-containing segment, that is, is contained in a segment other than the aerosol source-containing segment.
- the aerosol source-containing segment preferably includes an aerosol source carrier in which the aerosol source is supported on a carrier.
- the carrier is preferably a porous material from the viewpoint of being able to adequately hold the aerosol source. Examples of porous materials include nonwoven fabric, dietary fiber sheets, and paper.
- the aerosol source carrier preferably contains an amount of aerosol source such that the content of the aerosol source contained in the non-combustion heating type flavor inhaler is preferably 10 to 5000 mg, more preferably 10 to 200 mg, and even more preferably 20 to 120 mg.
- the aerosol source may be supported on other carriers other than the porous material, such as metal foil, wood, carbon, cellulose powder, alumina powder, silicon dioxide, and fiber.
- the aerosol source-containing segment 4 may include, for example, a cylindrical wrapper 10 and an aerosol source carrier 9 filled inside the wrapper 10.
- the carrier of the aerosol source carrier is a nonwoven fabric
- the thickness of the nonwoven fabric is not particularly limited, but may be, for example, 0.1 to 2.0 mm.
- the carrier of the aerosol source carrier is a paper
- the thickness of the paper is not particularly limited, but may be, for example, 50 to 200 ⁇ m.
- a filling mode for example, a plurality of sheet-like aerosol source carriers may be stacked and filled inside the wrapper in an S-shaped folded state. Also, for example, the sheet-like aerosol source carrier may be filled inside the wrapper in a gathered state.
- the wrapper is preferably a wrapper with low liquid permeability.
- wrappers with low liquid permeability include metal foil, a laminated sheet of metal foil and paper, a polymer film, a laminated sheet of polymer film and paper, and paper coated with a coating agent such as modified cellulose, modified starch, polyvinyl alcohol, and vinyl acetate that prevents liquid permeation.
- a wrapper containing metal foil with excellent thermal conductivity is preferable from the viewpoint of making the temperature distribution in the longitudinal direction of the aerosol source-containing segment uniform.
- the appearance can be made similar to that of a normal combustion-type flavor inhaler (cigarette).
- the aerosol source-containing segment preferably further contains a thickener from the viewpoint of improving the retention of the aerosol source.
- a thickener for example, aerosol sources such as glycerin and propylene glycol are liquid at room temperature, and when a large amount is contained in a nonwoven fabric, etc., there is a possibility that they will flow out of the nonwoven fabric.
- a thickener in the nonwoven fabric, etc. it is possible to suppress the outflow of the aerosol source to the outside, and the handling property is improved.
- thickeners examples include thickening polysaccharides such as gellan gum, tamarind gum, agar, carrageenan, pectin, and alginate, proteins such as collagen and gelatin, modified celluloses such as HPC, CMC, and HPMC, shellac, paraffin wax, beeswax, starch, starch processed products, oils and fats, etc. These thickeners may be used alone or in combination of two or more. When a thickener is contained in the aerosol source-containing segment, the content of the thickener is preferably 0.1 to 5.0 parts by mass per 100 parts by mass of the aerosol source, although it depends on the type of thickener used.
- the axial length of the aerosol source-containing segment is not particularly limited, but can be, for example, 5 to 15 mm.
- the circumferential length of the aerosol source-containing segment is not particularly limited, but can be, for example, 15 to 24 mm.
- the tobacco component-containing segment according to the present embodiment includes a tobacco component.
- the tobacco component-containing segment according to the present embodiment may include a tobacco material including a tobacco component, and preferably includes tobacco materials such as tobacco granules, tobacco powder, tobacco shreds, tobacco sheets, and tobacco extracts.
- the tobacco raw material which is the source of the tobacco material, can be the whole tobacco or any part of the tobacco, and examples of parts include leaves, veins, stems, roots, flowers, and mixtures of these.
- the variety of the tobacco raw material is not particularly limited, and examples include flue-cured, burley, native, and oriental leaves. These may be used alone or in combination of two or more types.
- the state of the tobacco raw material used may be fresh leaves that have not been dried immediately after harvest, or leaves that have been dried or aged after harvest, or these may be used in combination.
- midrib tobacco, expanded tobacco, etc. obtained by processing these tobacco raw materials can also be used. These may be used alone, or multiple varieties and parts may be used in combination.
- tobacco extracts obtained by extracting the tobacco raw material using protic solvents, aprotic solvents, etc. can also be used as the desired flavor source for the tobacco raw material.
- Tobacco Granules can be obtained by, for example, forming a composition containing aged tobacco leaves or a tobacco extract into a granular shape.
- the method for forming tobacco granules is not particularly limited, but can be obtained, for example, by mixing tobacco powder, a binder, etc., adding water to the mixture and kneading it, granulating the kneaded product obtained in a wet extrusion granulator (in a long columnar shape), and then regulating the granules into a short columnar or spherical shape.
- extrusion granulation it is preferable to extrude the kneaded material at ambient temperature and at a pressure of 2 kN or more.
- This high-pressure extrusion causes the temperature of the kneaded material at the outlet of the extrusion granulator to rise instantaneously from ambient temperature to, for example, 90-100°C, and 2-4% by mass of moisture and volatile components evaporate. Therefore, the amount of water added to make the kneaded material can be greater than the desired moisture content in the tobacco granules by the amount of evaporation.
- the tobacco granules obtained by extrusion granulation may be further dried as necessary to adjust the moisture content.
- the average particle size (D50) of the molded tobacco granules can be 0.2 mm or more and 1.2 mm or less, preferably 0.2 mm or more and 1.0 mm or less, and more preferably 0.2 mm or more and 0.8 mm or less.
- a powdered tobacco raw material can be used as the tobacco powder.
- the tobacco powder can be prepared by any method, but it is preferable to carry out a conventional drying process on the tobacco raw material, coarsely grinding the tobacco raw material with a conventional coarse grinder, and then finely grinding the tobacco raw material.
- the drying process and coarse grinding may be carried out as known in the art, and the average particle size of the coarsely ground tobacco powder is preferably in the range of several hundred ⁇ m to several mm.
- the method of fine grinding is not limited, and either wet grinding or dry grinding may be used.
- Wet grinding can be carried out by adding a liquid dispersion medium to the coarsely ground tobacco powder, mixing the mixture, and processing the mixture with a wet fine grinder (e.g., MIC-2: manufactured by Nara Machinery Manufacturing Co., Ltd.).
- the rotation speed of the grinder is usually 1100 to 1300 rpm, and the grinding time is preferably about 5 to 100 minutes.
- Dry grinding can be carried out by processing the coarsely ground tobacco powder with a dry fine grinder such as a jet mill.
- the average particle size of the tobacco powder can be approximately 30 ⁇ m.
- the average particle size of the tobacco powder can be adjusted by the grinding conditions; for example, the average particle size can be increased by shortening the grinding time or by using a dispersion medium with a low viscosity.
- the average particle size of the tobacco powder is determined by a laser diffraction scattering method. Specifically, the average particle size is measured using a laser diffraction particle size distribution measuring device (for example, Shimadzu Nanoparticle Size Distribution Measuring Device SALD-2100 (product name)) with a refractive index of 1.60 to 0.101.
- SALD-2100 product name
- Tobacco shreds can be, for example, aged tobacco leaves shredded to a predetermined size.
- the aged tobacco leaves used for tobacco shreds are not particularly limited, but examples thereof include those that have been deboned and separated into lamina and midrib.
- Tobacco shreds can also include tobacco sheets (described below) shredded to a predetermined size (hereinafter also referred to as "tobacco sheet shreds").
- tobacco sheet shreds include a blend of tobacco shreds obtained by shredding aged tobacco leaves and tobacco sheet shreds.
- the size of the tobacco shreds or the preparation method there are no particular limitations on the size of the tobacco shreds or the preparation method.
- One example is aged tobacco leaves shredded to a width of 0.5 mm or more and 2.0 mm or less and a length of 3 mm or more and 10 mm or less.
- Another example is processed tobacco leaves shredded to a width of 0.5 mm or more and 2.0 mm or less and a length longer than the tobacco shreds described above, preferably about the same length as the filling material (hereinafter also referred to as "strand-type shreds"). From the standpoint of ease of molding, it is preferable to use tobacco sheets for strand-type shreds.
- the tobacco sheet can be obtained by forming a composition containing, for example, aged tobacco leaves and tobacco extract into a sheet shape.
- the aged tobacco leaves used for the tobacco sheet are not particularly limited, but may be, for example, those that have been deboned and separated into lamina and midrib.
- the term "sheet" refers to a shape having a pair of approximately parallel main surfaces and side surfaces.
- Tobacco sheets can be formed by known methods such as papermaking, casting, rolling, etc. Details of various tobacco sheets formed by these methods are disclosed in “Encyclopedia of Tobacco,” Tobacco Research Center, March 31, 2009.
- An example of a method for forming a tobacco sheet by a papermaking method includes the following steps. (1) A process for extracting water-soluble components from aged tobacco leaves by roughly crushing the aged tobacco leaves and mixing and stirring the crushed leaves with a solvent such as water. (2) A step of separating the extract into a water extract containing water-soluble components and a residue. (3) A step of concentrating the aqueous extract by drying under reduced pressure. (4) A process in which pulp is added to the residue and the mixture is fiberized in a refiner to obtain a mixture (homogenization process). (5) A step of making paper from the mixture of fiberized residue and pulp. (6) A process of adding a concentrated solution of the water extract to the paper-made sheet and drying it to obtain a tobacco sheet.
- An example of a method for forming a tobacco sheet by a casting method includes the following steps. (1) A step of mixing water, pulp, a binder, and ground aged tobacco to obtain a mixture (homogenization step). (2) The mixture is spread (cast) into a thin sheet and dried to form a tobacco sheet.
- An example of a method for forming a tobacco sheet by rolling includes the following steps. (1) A step of mixing water, pulp, a binder, and ground aged tobacco to obtain a mixture (homogenization step). (2) A step of feeding the mixture between a plurality of rollers and rolling it. (3) A process in which the rolled product on the rolling rollers is peeled off with a doctor knife, transferred to a net conveyor, and dried in a dryer.
- the tobacco component-containing segment 5 may include, for example, a cylindrical wrapper 12 and a tobacco material 11 filled inside the wrapper 12.
- the filling density of the tobacco material inside the wrapper may be appropriately set depending on the form of the tobacco material to be filled, the desired flavor, the airflow resistance, and the like.
- the filling density may be 0.2 mg/ mm3 or more and 0.7 mg/ mm3 or less. The filling density is calculated based on the ratio of the mass of the tobacco material to the internal volume of the rod formed by the wrapper.
- the axial length of the tobacco component-containing segment is not particularly limited, but can be, for example, 5 to 15 mm. Also, the circumferential length of the tobacco component-containing segment is not particularly limited, but can be, for example, 15 to 24 mm.
- the cooling segment 6 can be a tubular member 13 that is a first tubular member having perforations.
- the tubular member 13 can be, for example, a paper tube made by processing cardboard into a cylindrical shape.
- the cooling segment is located downstream of the aerosol generating rod.
- the function required of the cooling segment is to cool and liquefy (aerosolize) the vapor of the tobacco components and aerosol source generated by the aerosol generating rod during use while minimizing the reduction of the vapor of the tobacco components and aerosol source due to filtration and adsorption.
- the difference in the internal temperature of the segment at the inlet of the cooling segment and the internal temperature of the segment at the outlet of the cooling segment may be 20°C or more.
- the temperature difference between the inlet and outlet of the segment may be 20°C or more, but a large amount of the vapor of the tobacco components and aerosol source is reduced by filtration and adsorption when passing through the fiber-filled segment.
- the cooling segment may be a hollow tube made of a sheet of paper or a sheet of paper laminated together to form a cylindrical shape.
- the material constituting the tube may be, in addition to the paper, a sheet of cellulose acetate fiber corrugated or a plastic film such as polyolefin or polyester.
- the tube has holes around it for introducing external air so that the room temperature external air can be brought into contact with the high temperature steam to increase the cooling effect.
- the cooling effect can also be increased by applying a polymer coating such as polyvinyl alcohol or a coating of a polysaccharide such as pectin to the inner surface of the tube, utilizing the heat of dissolution associated with the heat absorption or phase change of the coating.
- the airflow resistance of this cylindrical cooling segment is zero mmH2O .
- the inside of the cylindrically processed tube is preferably filled with a cooling sheet material.
- one or more air flow channels are provided in the flow direction, so that cooling by the cooling sheet can be achieved while achieving a low level of component removal during passage through the segment.
- the cooling segment when filled with the cooling sheet preferably has an airflow resistance of 0 to 30 mmH 2 O.
- the resistance to flow (RTD) is the pressure required to force air through the entire length of the object under a test at 22° C. and a flow rate of 17.5 ml/sec at 760 torr. RTD is generally expressed in mmH 2 O and is measured according to ISO 6565:2011.
- the tube can also be provided with holes for the introduction of external air.
- the total surface area of the cooling sheet member can be 300 mm2 /mm or more and 1000 mm2 /mm or less. This surface area is the surface area per mm of the length of the cooling sheet member in the air passage direction.
- the total surface area of the cooling sheet member is preferably 400 mm2 /mm or more, more preferably 450 mm2 /mm or more, while it is preferably 600 mm2/mm or less, more preferably 550 mm2/mm or less.
- the cooling sheet material From the viewpoint of cooling function, it is desirable for the cooling sheet material to have a large surface area. From the viewpoint of reducing the removal of tobacco components and aerosol sources by filtration or adsorption, it is desirable for the cooling segment filled with the cooling sheet material to have a low airflow resistance. Therefore, in a preferred embodiment, the cooling sheet may be formed by a thin sheet of material that is wrinkled to form channels in the flow direction, and then pleated, gathered, and folded.
- the thickness of the constituent material of the cooling sheet member is 5 ⁇ m or more and 500 ⁇ m or less, for example, 10 ⁇ m or more and 250 ⁇ m or less.
- the cooling sheet member material may be a sheet material such as metal foil, polymer sheet, and low-permeability paper.
- the cooling segment may include a sheet material selected from the group consisting of polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, polylactic acid, cellulose acetate, and aluminum foil.
- the tubular member 13 and the mouthpiece lining paper 20 described later are provided with perforations 14 penetrating both.
- the presence of the perforations 14 allows outside air to be introduced into the cooling segment 6 during inhalation.
- the vaporized components of the aerosol generated by heating the aerosol generating rod 2 come into contact with the outside air, and as their temperature drops, they are liquefied to form an aerosol.
- the diameter (distance across) of the perforations 14 is not particularly limited, but may be, for example, 0.5 mm or more and 1.5 mm or less.
- the number of perforations 14 is not particularly limited, and may be one or two or more. For example, multiple perforations 14 may be provided around the circumference of the cooling segment 6.
- the amount of outside air introduced through the perforations 14 is preferably 85% by volume or less, more preferably 80% by volume or less, relative to the total volume of gas inhaled by the user.
- This is also called the ventilation ratio.
- the lower limit of the ventilation ratio range is preferably 55% by volume or more, more preferably 60% by volume or more.
- the generated aerosol may experience a temperature drop of 10°C or more as it passes through the cooling segment and is drawn by the user. In another embodiment, the temperature may drop by 15°C or more, and in yet another embodiment, the temperature may drop by 20°C or more.
- the cooling segment can be formed in a rod shape with an axial length of, for example, 7 mm or more and 30 mm or less.
- the axial length of the cooling segment can be 20 mm.
- the cooling segment has a substantially circular axial cross-sectional shape, preferably with a circumference of 16-25 mm, more preferably 20-24 mm, and even more preferably 21-23 mm.
- the center hole segment can be composed of a second cylindrical member.
- it can be composed of a filling layer having one or more hollow parts and an inner plug wrapper (inner wrapping paper) covering the filling layer.
- the center hole segment 7 can be composed of a second filling layer 15 having a hollow part and a second inner plug wrapper 16 covering the second filling layer 15.
- the center hole segment 7 has a function of increasing the strength of the mouthpiece segment 3.
- the second filling layer 15 can be, for example, a rod with an inner diameter of ⁇ 1.0 mm or more and ⁇ 5.0 mm or less, which is filled with cellulose acetate fibers at a high density and hardened by adding a plasticizer containing triacetin at 6% by mass or more and 20% by mass or less relative to the mass of cellulose acetate. Since the second filling layer 15 has a high fiber filling density, air and aerosol flow only through the hollow part during inhalation, and hardly flow inside the second filling layer 15. Since the second filling layer 15 inside the center hole segment 7 is a fiber filling layer, the touch from the outside during use is less likely to cause discomfort to the user. Alternatively, the center hole segment 7 may not have the second inner plug wrapper 16 and may retain its shape by thermoforming.
- the configuration of the filter segment is not particularly limited, and may be composed of a single or multiple packed layers.
- the outside of the first packed layer 17 may be wrapped with a first inner plug wrapper 18 (inner wrapping paper).
- the airflow resistance per segment of the filter segment can be appropriately changed depending on the amount and material of the filler filled in the filter segment.
- the filler is cellulose acetate fiber
- the airflow resistance can be increased by increasing the amount of cellulose acetate fiber filled in the filter segment.
- the packing density of the cellulose acetate fiber can be 0.13 to 0.18 g/cm 3.
- the thickness of the cellulose acetate fiber is filled to be thicker in order to express a lower airflow resistance.
- the thickness of one cellulose acetate fiber is preferably 5 to 20 denier/filament. Furthermore, from the viewpoint of high-speed production of the filter segment, it is more preferable that it is 7 to 13 denier/filament.
- the airflow resistance is a value measured using an airflow resistance measuring device (product name: SODIMAX, manufactured by SODIM).
- the circumferential length of the filter segment is not particularly limited, but is preferably 16 to 25 mm, more preferably 20 to 24 mm, and even more preferably 21 to 23 mm.
- the axial length of the filter segment can be selected from 5 to 20 mm, and can be selected so that the airflow resistance is 10 to 60 mmH 2 O/seg.
- the axial length of the filter segment is preferably 5 to 9 mm, and more preferably 6 to 8 mm.
- the cross-sectional shape of the filter segment is not particularly limited, but can be, for example, a circle, an ellipse, a polygon, etc.
- the center hole segment 7 and the filter segment 8 can be connected by an outer plug wrapper (outer wrapping paper) 19.
- the outer plug wrapper 19 can be, for example, a cylindrical paper.
- the aerosol-generating rod 2, the cooling segment 6, and the connected center hole segment 7 and filter segment 8 can be connected by a mouthpiece lining paper 20. These connections can be made, for example, by applying a vinyl acetate glue or other adhesive to the inner surface of the mouthpiece lining paper 20, inserting the three segments, and rolling it up. These segments may be connected in multiple steps using multiple lining papers.
- the aerosol source-containing segment 4 may be fixed by the mouthpiece lining paper 20.
- the aerosol source-containing segment 4 and the tobacco component-containing segment 5 may be connected by an outer wrapper 34, and then the aerosol-generating rod 2, the cooling segment 6, and the connected center hole segment 7 and filter segment 8 may be connected by the mouthpiece lining paper 20.
- the axial length of the non-combustion heating type flavor inhaler according to the present embodiment is not particularly limited, but is preferably 40 mm or more and 90 mm or less, more preferably 50 mm or more and 75 mm or less, and even more preferably 50 mm or more and 60 mm or less.
- the circumferential length of the non-combustion heating type flavor inhaler is preferably 16 mm or more and 25 mm or less, more preferably 20 mm or more and 24 mm or less, and even more preferably 21 mm or more and 23 mm or less.
- the length of the aerosol generating rod is 20 mm
- the length of the cooling segment is 20 mm
- the length of the center hole segment is 8 mm
- the length of the filter segment is 7 mm.
- the content of the aerosol source contained in the non-combustion heating type flavor inhaler according to this embodiment is preferably 10 to 5000 mg. By making the content 10 mg or more, it is possible to prevent the amount of aerosol during use from decreasing over time of use. Furthermore, by making the content 5000 mg or less, it is possible to prevent the aerosol source that does not become an aerosol from remaining in the flavor inhaler.
- the content is more preferably 10 to 200 mg, and even more preferably 20 to 120 mg.
- the non-combustion heating type flavor inhaler according to the present embodiment may contain a flavor component from the viewpoint of imparting a good flavor.
- the type of the flavor component is not particularly limited, and examples thereof include flavors, flavorings, cooling agents, etc.
- the flavor component may be in any form, and examples thereof include liquids and solids.
- the flavor component may be a single component or a combination of multiple components.
- Suitable flavors of the fragrance include, for example, flavors selected from tobacco extracts and tobacco components, sugar and sugar-based flavors, licorice, cocoa, chocolate, fruit juice and fruits, spices, liquor, herbs, vanilla, and floral flavors, either alone or in combination.
- the flavoring may be a wide variety of flavoring 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 Flavors (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 flavoring ingredient may be a flavoring ingredient other than a tobacco ingredient.
- 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., either alone or in combination. It may also be a material that provides a cooling/warming sensation.
- the fragrances in question are 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, c
- the flavoring agent may be, for example, a material that exhibits a sweet, sour, salty, umami, bitter, astringent, full-bodied, spicy, harsh, or astringent taste.
- materials that exhibit a sweet taste include sugars, sugar alcohols, and sweeteners.
- sugars include monosaccharides, disaccharides, oligosaccharides, and polysaccharides.
- sweeteners include natural sweeteners and synthetic sweeteners.
- materials that exhibit a sour taste include organic acids (and their sodium salts). Examples of organic acids include acetic acid, adipic acid, citric acid, lactic acid, malic acid, succinic acid, and tartaric acid.
- Examples of materials that exhibit a bitter taste include caffeine (extract), naringin, and wormwood extract.
- materials that exhibit a salty taste include sodium chloride, potassium chloride, sodium citrate, potassium citrate, sodium acetate, and potassium acetate.
- Examples of ingredients that provide umami include sodium glutamate, sodium inosinate, and sodium guanylate.
- ingredients that provide astringency include tannin and shibuol.
- the flavor component may be contained in any segment of the flavor inhaler, or in multiple segments.
- the flavor component may be contained in, for example, the aerosol source-containing segment, the tobacco component-containing segment, the cooling segment, the center hole segment, the filter segment, or two or more of these. However, it is preferable that the flavor component is contained in a segment other than the aerosol source-containing segment, because the flavor component is not heated more than necessary and can be more retained and sustained.
- the flavor component may be contained in at least one segment, for example, the tobacco component-containing segment, the cooling segment, the center hole segment, and the filter segment.
- the flavor component may be contained separately in each segment, or may be contained integrally in the entire flavor inhaler.
- the flavor component When the flavor component is contained separately in each segment, the flavor component may be contained in each segment in the form of a flavor carrier, such as a flavor component-containing sheet, a flavor component-carrying granule, or a flavor component-carrying activated carbon. Also, if the flavor ingredient is integrated into the entire flavor inhaler, the flavor ingredient can be added by spraying, coating the wrapper, filtering, etc.
- a flavor carrier such as a flavor component-containing sheet, a flavor component-carrying granule, or a flavor component-carrying activated carbon.
- the tobacco-containing segment When the flavor component is contained in the tobacco component-containing segment, the tobacco-containing segment preferably contains a flavor component-containing sheet containing a flavor component, a thickening polysaccharide, and a bulking material, and the tobacco material.
- a flavor component-containing sheet By containing the flavor component in the tobacco-containing segment as a flavor component-containing sheet, a larger amount of flavor can be loaded into the flavor inhaler compared to when a liquid flavor is added to the tobacco material.
- the tobacco-containing segment preferably contains the flavor component-containing sheet and the tobacco granules.
- the mass ratio of the flavor component-containing sheet to the tobacco granules contained in the tobacco-containing segment can be selected at any ratio according to the strength of the flavor.
- the flavor component-containing sheet may contain a flavor component, a thickening polysaccharide, and a bulking agent, and may further contain an emulsifier.
- the flavor component-containing sheet may be produced, for example, by kneading raw materials containing a thickening polysaccharide, a flavor component, an emulsifier, and a bulking agent in water to prepare a raw material slurry, spreading the raw material slurry on a substrate, and drying the same.
- the flavor component-containing sheet may not contain a tobacco component.
- the thickening polysaccharide contained in the flavor component-containing sheet has the property of fixing and covering the flavor component dispersed in the sheet.
- the thickening polysaccharide may be, for example, a single component system of carrageenan, agar, xanthan gum, gellan gum, psyllium seed gum, or konjac glucomannan; or a composite system of two or more components selected from the group consisting of carrageenan, locust bean gum, guar gum, agar, gellan gum, tamarind gum, xanthan gum, tara gum, konjac glucomannan, starch, cassia gum, and psyllium seed gum.
- the thickening polysaccharide is selected from the group consisting of carrageenan, agar, xanthan gum, gellan gum, and a mixture of gellan gum and tamarind gum.
- Aqueous solutions of carrageenan, agar, xanthan gum, or gellan gum gel i.e., lose fluidity and solidify) when cooled below a certain temperature, and once gelled, they do not easily sol-ify even when the temperature is subsequently raised to the temperature at which they transition to a gel, and can maintain the gelled state (hereinafter referred to as "temperature-responsive sol-gel transition property").
- the raw material slurry contains any of carrageenan, agar, xanthan gum, and gellan gum as the thickening polysaccharide
- the raw material slurry is cooled to gel, and the gelled raw material is dried at a high temperature, which has the advantage that a sheet can be produced in a short time.
- the thickening polysaccharide is selected from the group consisting of agar, gellan gum, and a mixture of gellan gum and tamarind gum.
- the mass ratio of gellan gum to tamarind gum is preferably in the range of 1:1 to 3:1.
- the amount of thickening polysaccharide in the raw slurry is preferably 10 to 35% by mass, and more preferably 12 to 25% by mass, based on the total mass (i.e., dry weight) of the components other than water in the raw slurry.
- the amount of thickening polysaccharide (mass %) can be calculated using the values of the amounts of each component other than water in the raw slurry.
- the flavor components described above can be used as the flavor components contained in the flavor component-containing sheet.
- the flavor components may be used in solid form, or may be dissolved or dispersed in a suitable solvent, such as propylene glycol, ethyl alcohol, benzyl alcohol, triethyl citrate, etc.
- a suitable solvent such as propylene glycol, ethyl alcohol, benzyl alcohol, triethyl citrate, etc.
- flavor components that are easily dispersed in a solvent by the addition of an emulsifier such as hydrophobic flavors and oil-soluble flavors, can be used.
- the shape of the solids such as powder, granules, and sheets, is not limited.
- the content of the fragrance component in the sheet is preferably less than 18% by mass relative to the total mass of the fragrance component-containing sheet.
- the content of the fragrance component in the sheet is more preferably 2.5% by mass or more and less than 18% by mass, even more preferably 2.5 to 12% by mass, and most preferably 3 to 6% by mass, relative to the total mass of the fragrance component-containing sheet.
- emulsifier Any emulsifier can be used as the emulsifier contained in the fragrance component-containing sheet.
- the emulsifier for example, lecithin, specifically Sunlecithin A-1 (trade name, manufactured by Taiyo Kagaku Co., Ltd.), can be used.
- the content of the emulsifier in the sheet is preferably 0.5 to 5 mass %, more preferably 1.0 to 4.5 mass %, based on the mass of the thickening polysaccharide in the sheet.
- the content of the emulsifier in the sheet can be calculated using the values of the blending amounts of the emulsifier and thickening polysaccharide in the raw material slurry.
- the bulking agent contained in the fragrance component-containing sheet serves to increase the total mass (i.e., dry mass) of the components other than water in the raw slurry, ultimately increasing the bulk of the fragrance component-containing sheet. That is, the bulking agent is a substance that serves only to increase the bulk of the fragrance component-containing sheet and does not affect the original function of the fragrance component-containing sheet. Specifically, the bulking agent is a substance that serves only to increase the bulk of the fragrance component-containing sheet and satisfies the following requirements (i) and (ii): (i) not substantially increasing the viscosity of the feed slurry; (ii) It does not affect the fragrance retention function of the fragrance component-containing sheet.
- substances that increase the viscosity of the raw material slurry are not included in bulking materials.
- “does not substantially increase the viscosity of the raw material slurry” means that the viscosity of the raw material slurry is not increased to an extent that makes it difficult to manufacture the sheet (i.e., to an extent that makes it difficult to knead and emulsify the raw material slurry).
- "does not affect the flavor retention function of the flavor component-containing sheet” means that the flavor retention function of the sheet is not reduced to an extent that the original function of the flavor component-containing sheet (i.e., function as a flavor component in a flavor inhaler) is not fulfilled.
- bulking materials are substances that are acceptable in the technical field to be added as additives to flavor inhalers.
- the bulking agent is preferably a substance that does not affect the flavor of the flavor inhaler. Furthermore, the bulking agent is preferably a substance that does not affect the manufacturing process of the sheet, for example, a substance that does not act to cause significant shrinkage of the sheet during the drying process.
- the bulking agent is preferably a starch hydrolysate.
- Starch hydrolysate refers to a substance obtained by a process that includes a step of hydrolyzing starch.
- Starch hydrolysates are, for example, substances obtained by direct hydrolysis of starch (i.e., dextrins) or substances obtained by hydrolyzing starch after heat treatment (i.e., resistant dextrins).
- Starch hydrolysates may be prepared by a process including a hydrolysis step using starch as a raw material, or commercially available starch hydrolysates may be used.
- Naturally occurring starches can be used as the raw material "starch.”
- starches derived from plants such as corn starch, wheat starch, potato starch, sweet potato starch, etc., can be used.
- starch hydrolysates having the desired DE value can be obtained by controlling the hydrolysis conditions.
- the starch hydrolysate is generally a starch hydrolysate having a DE value falling within the range of 2 to 40, preferably a starch hydrolysate having a DE value falling within the range of 2 to 20.
- starch hydrolysates having a DE value falling within the range of 2 to 20 that can be used include Pine Index #100 (trade name, manufactured by Matsutani Chemical Industry Co., Ltd.), Pine Fiber (trade name, manufactured by Matsutani Chemical Industry Co., Ltd.), and TK-16 (trade name, manufactured by Matsutani Chemical Industry Co., Ltd.).
- DE is an abbreviation for dextrose equivalent
- the DE value is a value that indicates the degree of hydrolysis of starch, i.e., the saccharification rate of starch.
- the DE value is a value measured by the Willstatter-Schudel method.
- the DE value is measured as a specific numerical value by the Willstatter-Schudel method.
- the properties of hydrolyzed starch (starch hydrolysate), such as the molecular weight of the starch hydrolysate and the arrangement of the sugar molecules that make up the starch hydrolysate, are not uniform for each molecule of the starch hydrolysate, but exist with a certain distribution or variation.
- starch hydrolysates Due to the distribution or variation of the properties of the starch hydrolysate, or differences in the sections that are cut, the starch hydrolysate expresses different physical properties (e.g., DE value) for each molecule.
- DE value physical properties
- starch hydrolysates are a collection of molecules that exhibit different physical properties, but the measurement results using the Willstatter-Schudel method (i.e., the DE value) are treated as a representative value that indicates the degree of starch hydrolysis.
- the starch hydrolysate is selected from the group consisting of dextrin having a DE value of 2 to 5, resistant dextrin having a DE value of 10 to 15, and mixtures thereof.
- dextrin having a DE value of 2 to 5 for example, Pine Index #100 (trade name, manufactured by Matsutani Chemical Industry Co., Ltd.) can be used.
- the bulking agent can be added in an amount that can perform the function of increasing the bulk of the sheet and does not affect the flavor of the flavor inhaler.
- the content of the bulking agent in the sheet is preferably 100 to 500% by mass, more preferably 200 to 500% by mass, based on the mass of the thickening polysaccharide.
- the content of the bulking agent in the sheet can be calculated using the values of the blending amounts of the bulking agent and thickening polysaccharide in the raw material slurry.
- the bulking agent increases the dry matter content of the raw material slurry and increases the bulk of the sheet, thereby shortening the drying time required to produce a sheet with the desired thickness.
- the bulking agent does not substantially increase the viscosity of the raw material slurry, so there is no hindrance to the kneading and stretching operations of the raw material slurry.
- the flavor component-containing sheet may also contain water. That is, the water contained in the raw slurry may remain in the flavor component-containing sheet after drying.
- the moisture content is preferably less than 10% by mass, more preferably 3 to 9% by mass, and even more preferably 3 to 6% by mass, relative to the total mass of the sheet.
- the moisture content of the sheet can be determined using GC-TCD.
- the fragrance component-containing sheet may contain a moisturizing agent.
- the moisturizing agent that may be used include hyaluronic acid and magnesium chloride.
- the fragrance component-containing sheet may also contain a coloring agent. Examples of the coloring agent that may be used include food dyes such as cocoa, caramel, and Blue No. 2, polyphenols such as chlorogenic acid, and melanoidin.
- the fragrance component-containing sheet may have a thickness of, for example, 0.05 to 0.15 mm, and preferably 0.06 to 0.10 mm.
- Example 1 An aqueous solution containing glycerin, hydroxypropyl cellulose (product name: Celny, manufactured by Nippon Soda Co., Ltd.), and vegetable fiber (product name: Herbacell AQ Plus CF-D/100, manufactured by Sumitomo Pharma & Chemical Co., Ltd.) in a mass ratio of 9:7:4 was prepared.
- the aqueous solution was applied to a nonwoven fabric (product name: Taiko TCF, manufactured by Futamura Chemical Co., Ltd.) and dried to obtain an aerosol source carrier containing about 30 mass% of glycerin per basis weight.
- 50 mg of tobacco granules previously treated with alkali was filled as the tobacco material 11 in the tobacco component-containing segment 5 of the non-combustion heating type flavor inhaler 1 shown in FIG. 1(a).
- the content of the aerosol source (glycerin) contained in the non-combustion heating type flavor inhaler was about 90 mg.
- the non-combustion heating type flavor inhaler was inserted into the heating device 27 shown in Figure 2, and only the aerosol source-containing segment 4 was heated to 295°C. After that, the smoke was inhaled from the mouthpiece to measure the amount of each component contained in the inhaled smoke. Inhalation was performed using a smoking device (product name: SM450RH, manufactured by CERULEAN), once every 30 seconds, 55 ml per inhalation for 2 seconds, a total of 11 times.
- the amounts of TSNA (tobacco specific nitrosamines), Carb (Carbonyls), and VOC (Volatile Organic Compounds) contained in the mainstream smoke obtained by inhalation were measured using the following methods. The results are shown in Table 1.
- TSNA Mainstream smoke was collected using a Cambridge filter (Borgwalt: 400 Filter 44 mm) and extracted with an aqueous solution of ammonium acetate, after which the amount of TSNA was analyzed using LC-MS/MS (Sciex: TQ7500).
- the TSNAs analyzed were NNN (N'-nitrosonornicotine), NAT (N'-nitrosoanatabine), NAB (N'-nitrosoanabatine), and NNK (4-(methylnitrosoamino)-1-(3-pyridyl)-1-butanone).
- Carb Mainstream smoke was collected using an impinger (2,4-dinitrophenylhydrazine (DNPH), phosphoric acid, acetonitrile, water, 22°C), treated with a Trizma base solution, and then analyzed for carb content by HPLC (Agilent Technologies: 1290 Infinity II LC system).
- the carb contents analyzed were acetaldehyde, acetone, propionaldehyde, crotonaldehyde, MEK (methyl ethyl ketone), and n-butyraldehyde.
- VOCs The mainstream smoke was collected using an impinger (methanol, -70°C) and then analyzed for VOC content using a GC-MS (Agilent Technologies: 7890A/5975C).
- the VOCs analyzed were 1,3-butadiene, isoprene, acrylonitrile, benzene, and toluene.
- Example 1 which used the non-combustion heating type flavor inhalation system according to this embodiment, the aerosol generating rod was not divided into two segments (aerosol source-containing segment and tobacco component-containing segment), and the amount of secondary components generated was reduced compared to Comparative Example 1, in which the mixture of glycerin (aerosol source) and tobacco components was directly heated.
- a non-combustion heating type flavor inhaler including an aerosol source-containing segment and a tobacco component-containing segment arranged downstream of the aerosol source-containing segment; a heating device including a heater that heats the aerosol source-containing segment and does not heat the tobacco component-containing segment;
- a non-combustion heating type flavor inhalation system comprising: [2] The non-combustion heating type flavor inhalation system described in [1], wherein the aerosol source contained in the aerosol source-containing segment is at least one selected from the group consisting of glycerin, propylene glycol, sorbitol, xylitol, erythritol, triacetin, and 1,3-butanediol.
- Non-combustion heating type flavor inhaler Aerosol generating rod 3 Mouthpiece segment 4 Aerosol source containing segment 5 Tobacco component containing segment 6 Cooling segment 7 Center hole segment 8 Filter segment 9 Aerosol source carrier 10 Wrapper 11 Tobacco material 12 Wrapper 13 Cylindrical member 14 Perforation 15 Second filling layer 16 Second inner plug wrapper 17 First filling layer 18 First inner plug wrapper 19 Outer plug wrapper 20 Mouthpiece lining paper 27 Heating device 28 Body 29 Heater 30 Metal tube 31 Battery unit 32 Control unit 33 Recess 34 Outer wrapper
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Abstract
Description
前記エアロゾル源含有セグメントを加熱し、前記たばこ成分含有セグメントを加熱しないヒータを備える加熱装置と、
を備える非燃焼加熱型香味吸引システム。
本実施形態に係るエアロゾル源含有セグメントは、エアロゾル源を含む。エアロゾル源としては、例えばグリセリン、プロピレングリコール、ソルビトール、キシリトール、エリスリトール、トリアセチン、1,3-ブタンジオール等が挙げられる。これらは一種を用いてもよく、二種以上を併用してもよい。一方、本実施形態に係るエアロゾル源含有セグメントは、たばこ成分を含まないことが、二次的に生成する成分の生成量をより低減できる観点から好ましい。また、非燃焼加熱型香味吸引器が後述する香料成分を含む場合、該香料成分はエアロゾル源含有セグメントに含まれない、すなわちエアロゾル源含有セグメント以外のセグメントに含まれることが好ましい。
本実施形態に係るたばこ成分含有セグメントは、たばこ成分を含む。本実施形態に係るたばこ成分含有セグメントは、たばこ成分を含むたばこ材料を含むことができ、例えばたばこ顆粒、たばこ粉末、たばこ刻、たばこシート及びたばこ抽出物等のたばこ材料を含むことが好ましい。
たばこ顆粒は、例えば熟成済たばこ葉やたばこ抽出物を含む組成物を、顆粒形状に成形して得られるものであることができる。たばこ顆粒を成形する方法は、特に限定されないが、例えば、たばこ粉末、バインダー等を混合し、その混合物に水を加えて混練し、得られた混練物を湿式押出し造粒機で造粒(長柱状)した後、短柱状あるいは球状に整粒することにより得ることができる。
たばこ粉末としては、粉末状のたばこ原料を用いることができる。たばこ粉末は任意の方法で調製できるが、たばこ原料に通常の乾燥処理を施した後、通常の粗粉砕機で粗粉砕した後に、微粉砕することが好ましい。乾燥処理や粗粉砕は公知のとおりに行ってよく、粗粉砕たばこ粉末の平均粒径は数百μm~数mmの範囲であることが好ましい。微粉砕の方法も限定されず、湿式粉砕または乾式粉砕のいずれの方法を用いてもよい。湿式粉砕は、粗粉砕たばこ粉末に液体の分散媒体を加えて混合し、当該混合物を、湿式微粉砕機(例えば、MIC-2:奈良機械製作所製)で処理することで実施できる。粉砕機の回転数は通常1100~1300rpm、粉砕時間は5~100分程度とすることが好ましい。また乾式粉砕は、粗粉砕たばこ粉末をジェットミル等の乾式微粉砕機で処理することで実施できる。
たばこ刻は、例えば熟成済たばこ葉などが、所定の大きさに刻まれたものであることができる。たばこ刻に使用される熟成済たばこ葉は、特に限定されないが、除骨され、ラミナ及び中骨に分離されたものを挙げることができる。また、たばこ刻として、後述するたばこシートを、所定の大きさに刻んだもの(以下、「たばこシート刻」ともいう。)を挙げることもできる。その他にも、熟成済たばこ葉を刻んで得られるたばこ刻と、たばこシート刻とをブレンドしたものをたばこ刻として挙げることができる。
たばこシートは、例えば熟成済たばこ葉やたばこ抽出物などを含む組成物を、シート形状に成形して得られるものであることができる。たばこシートに使用される熟成済たばこ葉は、特に限定されないが、例えば、除骨され、ラミナと中骨に分離されたものを挙げることができる。また、本明細書において「シート」とは、略平行な1対の主面、及び側面を有する形状をいう。
(1)熟成済たばこ葉を粗砕し、これを水等の溶媒と混合・攪拌することで、熟成済たばこ葉から水溶性成分を抽出する工程。
(2)水溶性成分を含む水抽出物と残渣に分離する工程。
(3)水抽出物を減圧乾燥して濃縮する工程。
(4)残渣にパルプを加え、これをリファイナで繊維化して混合物を得る工程(均質化工程)。
(5)繊維化された残渣とパルプの混合物を抄紙する工程。
(6)抄紙したシートに水抽出物の濃縮液を添加して乾燥し、たばこシートとする工程。
(1)水、パルプ及びバインダーと、熟成済たばこの粉砕物を混合して混合物を得る工程(均質化工程)。
(2)当該混合物を薄く延ばして(キャストして)乾燥し、たばこシートとする工程。
(1)水、パルプ及びバインダーと、熟成済たばこの粉砕物を混合して混合物を得る工程(均質化工程)。
(2)当該混合物を複数の圧延ローラーに投入して圧延する工程。
(3)圧延ローラー上の圧延成形品をドクターナイフで剥離し、ネットコンベアーに移送し、乾燥機で乾燥する工程。
図1(a)に示されるように、冷却セグメント6は、穿孔を有する第一の筒状部材で構成される筒状部材13であることができる。筒状部材13は例えば厚紙を円筒状に加工した紙管であってもよい。
センターホールセグメントは第二の筒状部材で構成されることができる。例えば、1つまたは複数の中空部を有する充填層と、該充填層を覆うインナープラグラッパー(内側巻紙)とで構成されることができる。具体的には、図1(a)に示されるように、センターホールセグメント7は、中空部を有する第二の充填層15と、第二の充填層15を覆う第二のインナープラグラッパー16とで構成されることができる。センターホールセグメント7は、マウスピースセグメント3の強度を高める機能を有する。第二の充填層15は、例えば酢酸セルロース繊維が高密度で充填されトリアセチンを含む可塑剤が酢酸セルロース質量に対して、6質量%以上、20質量%以下添加されて硬化された内径φ1.0mm以上、φ5.0mm以下のロッドとすることができる。第二の充填層15は繊維の充填密度が高いため、吸引時は、空気やエアロゾルは中空部のみを流れることになり、第二の充填層15内はほとんど流れない。センターホールセグメント7内部の第二の充填層15が繊維充填層であることから、使用時の外側からの触り心地は、使用者に違和感を生じさせることが少ない。なお、センターホールセグメント7が第二のインナープラグラッパー16を有さず、熱成型によってその形が保たれていてもよい。
フィルターセグメントの構成は特に限定されないが、単数または複数の充填層から構成されてよい。例えば図1(a)に示されるように、フィルターセグメント8において、第一の充填層17の外側は第一のインナープラグラッパー18(内側巻紙)で巻装されてよい。フィルターセグメントのセグメント当たりの通気抵抗は、フィルターセグメントに充填される充填物の量、材料等により適宜変更することができる。例えば、充填物が酢酸セルロース繊維である場合、フィルターセグメントに充填される酢酸セルロース繊維の量を増加させれば、通気抵抗を増加させることができる。充填物が酢酸セルロース繊維である場合、酢酸セルロース繊維の充填密度は0.13~0.18g/cm3であることができる。また、同じ充填密度においても、充填する酢酸セルロース繊維の太さは太い方が低い通気抵抗を発現するためには好ましい。酢酸セルロース繊維の1本の太さは、5~20デニール/フィラメントが好ましい。さらには、フィルターセグメントの高速製造の観点で7~13デニール/フィラメントであることがより好ましい。なお、通気抵抗は通気抵抗測定器(商品名:SODIMAX、SODIM製)により測定される値である。
本実施形態に係る非燃焼加熱型香味吸引器の軸方向の長さは特に限定されないが、40mm以上、90mm以下であることが好ましく、50mm以上、75mm以下であることがより好ましく、50mm以上、60mm以下であることがさらに好ましい。また、非燃焼加熱型香味吸引器の周の長さは16mm以上、25mm以下であることが好ましく、20mm以上、24mm以下であることがより好ましく、21mm以上、23mm以下であることがさらに好ましい。例えば、エアロゾル生成ロッドの長さは20mm、冷却セグメントの長さは20mm、センターホールセグメントの長さは8mm、フィルターセグメントの長さは7mmである態様を挙げることができる。これら個々のセグメント長さは、製造適性、要求品質等に応じて、適宜変更できる。さらには、センターホールセグメントを用いずに、冷却セグメントの下流側にフィルターセグメントのみを配置しても、非燃焼加熱型香味吸引器として機能させることができる。
本実施形態に係る非燃焼加熱型香味吸引器は、良好な香味の付与の観点から、香料成分を含むことができる。香料成分の種類は特に限定されず、例えば、香料、呈味料、冷感剤等が挙げられる。香料成分はその性状を問わず、例えば液体、固体が挙げられる。また、単独成分でも複数成分の組み合わせでもよい。
香料成分含有シートは香料成分、増粘多糖類及び嵩増材を含むことができ、さらに乳化剤を含んでもよい。香料成分含有シートは、例えば増粘多糖類、香料成分、乳化剤及び嵩増材を含む原料を水中で混錬して原料スラリーを調製し、原料スラリーを基材上に伸展させ、乾燥させることにより製造することができる。なお、香料成分含有シートはたばこ成分を含まないことができる。
香料成分含有シートに含有される増粘多糖類は、シート中に分散した香料成分を固定して被覆する性質を有する。増粘多糖類は、例えば、カラギーナン、寒天、キサンタンガム、ジェランガム、サイリウムシードガム、もしくはコンニャクグルコマンナンの単成分系;またはカラギーナン、ローカストビーンガム、グアーガム、寒天、ジェランガム、タマリンドガム、キサンタンガム、タラガム、コンニャクグルコマンナン、デンプン、カシアガム、およびサイリウムシードガムからなる群より選択される2以上の成分を組み合わせた複合系であることができる。
香料成分含有シートに含有される香料成分としては、前述した香味成分を用いることができる。香料成分は、固体で使用されてもよいし、適切な溶媒、例えばプロピレングリコール、エチルアルコール、ベンジルアルコール、トリエチルシトレート等に溶解または分散させて使用されてもよい。好ましくは、乳化剤の添加により溶媒中で分散状態が形成されやすい香料成分、例えば疎水性香料や油溶性香料等を用いることができる。なお、固体の場合は粉末、顆粒、シートなどの形状は限定されない。
香料成分含有シートに含有される乳化剤としては、任意の乳化剤を使用することができる。乳化剤としては、例えばレシチン、具体的にはサンレシチンA-1(商品名、太陽化学(株)製)を使用することができる。シート中の乳化剤の含有量は、シート中の増粘多糖類の質量に対して、好ましくは0.5~5質量%、より好ましくは1.0~4.5質量%である。シート中の乳化剤の含有量は、原料スラリー中の乳化剤および増粘多糖類の配合量の値を用いて算出することができる。
香料成分含有シートに含有される嵩増材は、原料スラリー中の水以外の構成成分の合計質量(すなわち、乾物質量)を増加させ、最終的に香料成分含有シートの嵩を増やす役割を果たす。すなわち、嵩増材は、香料成分含有シートの嵩を増やす役割のみを果たし、香料成分含有シートの本来の機能に影響を及ぼさない物質である。具体的には、嵩増材は、香料成分含有シートの嵩を増やす役割のみを果たし、以下の(i)および(ii)の要件を満たす物質である:
(i)原料スラリーの粘度を実質的に上昇させない;
(ii)香料成分含有シートの香料保持機能に影響を及ぼさない。
また、香料成分含有シートは、水を含んでいてもよい。すなわち、原料スラリーに含まれる水は、乾燥後の香料成分含有シートに残っていてもよい。香料成分含有シートに水が残っている場合の水分含量は、シートの総質量に対して、好ましくは10質量%未満、より好ましくは3~9質量%、さらに好ましくは3~6質量%である。シートの水分含量は、GC-TCDを用いて求めることができる。
グリセリン、ヒドロキシプロピルセルロース(商品名:セルニー、日本曹達(株)製)、植物繊維(商品名:ヘルバセルAQプラスCF-D/100、住友ファーマ&ケミカル製)を9:7:4の質量比率で含む水溶液を調製した。該水溶液を、不織布(商品名:太閤TCF、フタムラ化学(株)製)に塗工し、乾燥することにより、坪重量あたりグリセリンを約30質量%含むエアロゾル源担持体を得た。該エアロゾル源担持体300mgを、図1(a)に示される非燃焼加熱型香味吸引器1のエアロゾル源含有セグメント4にエアロゾル源担持体9として充填した。また、事前にアルカリ処理したたばこ顆粒50mgを、図1(a)に示される非燃焼加熱型香味吸引器1のたばこ成分含有セグメント5にたばこ材料11として充填した。非燃焼加熱型香味吸引器に含まれるエアロゾル源(グリセリン)の含有量は約90mgであった。
主流煙をケンブリッジフィルター(Borgwalt社製:400 Filter 44mm)で捕集し、酢酸アンモニウム水溶液で抽出した後、LC-MS/MS(Sciex社:TQ7500)によってTSNA量を分析した。TSNAとして、NNN(N'-nitrosonornicotine)、NAT(N'-nitrosoanatabine)、NAB(N'-nitrosoanabatine)、及びNNK(4-(methylnitrosoamino)-1-(3-pyridyl)-1-butanone)を分析した。
主流煙をインピンジャー(2,4-ジニトロフェニルヒドラジン(DNPH)、リン酸、アセトニトリル、水、22℃)で捕集し、トリズマベース溶液で処理した後、HPLC(アジレントテクノロジー社:1290 Infinity II LC システム)によってCarb量を分析した。Carbとして、アセトアルデヒド、アセトン、プロピオンアルデヒド、クロトンアルデヒド、MEK(メチルエチルケトン)、及びn-ブチルアルデヒドを分析した。
主流煙をインピンジャー(メタノール、-70℃)で捕集した後、GC-MS(アジレントテクノロジー社:7890A/5975C)によってVOC量を分析した。VOCとして、1,3-ブタジエン、イソプレン、アクリロニトリル、ベンゼン、及びトルエンを分析した。
図1(a)に示される非燃焼加熱型香味吸引器1において、エアロゾル生成ロッド2を2つのセグメント(エアロゾル源含有セグメント4、たばこ成分含有セグメント5)に分けず、グリセリン(エアロゾル源)とたばこ成分とが混在した1つのセグメントに統合した。それ以外は、実施例1と同様に非燃焼加熱型香味吸引器を作製し、主流煙に含まれるTSNA、Carb、及びVOCの量を測定した。結果を表1に示す。
[1]エアロゾル源含有セグメントと、該エアロゾル源含有セグメントよりも下流に配置されたたばこ成分含有セグメントと、を含む非燃焼加熱型香味吸引器と、
前記エアロゾル源含有セグメントを加熱し、前記たばこ成分含有セグメントを加熱しないヒータを備える加熱装置と、
を備える非燃焼加熱型香味吸引システム。
[2]前記エアロゾル源含有セグメントに含まれるエアロゾル源が、グリセリン、プロピレングリコール、ソルビトール、キシリトール、エリスリトール、トリアセチン、及び1,3-ブタンジオールからなる群から選択される少なくとも一種である、[1]に記載の非燃焼加熱型香味吸引システム。
[3]前記エアロゾル源含有セグメントが、担体にエアロゾル源が担持されたエアロゾル源担持体を含む、[1]又は[2]に記載の非燃焼加熱型香味吸引システム。
[4]前記非燃焼加熱型香味吸引器に含まれるエアロゾル源の含有量が10~5000mgである、[1]~[3]のいずれかに記載の非燃焼加熱型香味吸引システム。
[5]前記エアロゾル源含有セグメントがたばこ成分を含まない、[1]~[4]のいずれかに記載の非燃焼加熱型香味吸引システム。
[6]前記たばこ成分含有セグメントが、たばこ顆粒、たばこ粉末、たばこ刻、たばこシート及びたばこ抽出物からなる群から選択される少なくとも一種のたばこ材料を含む、[1]~[5]のいずれかに記載の非燃焼加熱型香味吸引システム。
[7]前記非燃焼加熱型香味吸引器が、さらに香料成分を含む、[1]~[6]のいずれかに記載の非燃焼加熱型香味吸引システム。
[8]前記香料成分が、前記エアロゾル源含有セグメント以外のセグメントに含まれる、[7]に記載の非燃焼加熱型香味吸引システム。
[9]前記香料成分が前記たばこ成分含有セグメントに含まれる、[7]又は[8]に記載の非燃焼加熱型香味吸引システム。
[10]前記たばこ含有セグメントが、香料担持体と、前記たばこ材料と、を含む、[6]に記載の非燃焼加熱型香味吸引システム。
[11]前記非燃焼加熱型香味吸引器が、穿孔を有する第一の筒状部材で構成される冷却セグメント、第二の筒状部材で構成されるセンターホールセグメント、及びフィルターセグメントからなる群から選択される少なくとも一つのセグメントをさらに含む、[1]~[10]のいずれかに記載の非燃焼加熱型香味吸引システム。
[12]前記ヒータによる前記エアロゾル源含有セグメントの加熱温度が150~400℃である、[1]~[11]のいずれかに記載の非燃焼加熱型香味吸引システム。
2 エアロゾル生成ロッド
3 マウスピースセグメント
4 エアロゾル源含有セグメント
5 たばこ成分含有セグメント
6 冷却セグメント
7 センターホールセグメント
8 フィルターセグメント
9 エアロゾル源担持体
10 ラッパー
11 たばこ材料
12 ラッパー
13 筒状部材
14 穿孔
15 第二の充填層
16 第二のインナープラグラッパー
17 第一の充填層
18 第一のインナープラグラッパー
19 アウタープラグラッパー
20 マウスピースライニングペーパー
27 加熱装置
28 ボディ
29 ヒータ
30 金属管
31 電池ユニット
32 制御ユニット
33 凹部
34 アウターラッパー
Claims (12)
- エアロゾル源含有セグメントと、該エアロゾル源含有セグメントよりも下流に配置されたたばこ成分含有セグメントと、を含む非燃焼加熱型香味吸引器と、
前記エアロゾル源含有セグメントを加熱し、前記たばこ成分含有セグメントを加熱しないヒータを備える加熱装置と、
を備える非燃焼加熱型香味吸引システム。 - 前記エアロゾル源含有セグメントに含まれるエアロゾル源が、グリセリン、プロピレングリコール、ソルビトール、キシリトール、エリスリトール、トリアセチン、及び1,3-ブタンジオールからなる群から選択される少なくとも一種である、請求項1に記載の非燃焼加熱型香味吸引システム。
- 前記エアロゾル源含有セグメントが、担体にエアロゾル源が担持されたエアロゾル源担持体を含む、請求項1又は2に記載の非燃焼加熱型香味吸引システム。
- 前記非燃焼加熱型香味吸引器に含まれるエアロゾル源の含有量が10~5000mgである、請求項1~3のいずれか一項に記載の非燃焼加熱型香味吸引システム。
- 前記エアロゾル源含有セグメントがたばこ成分を含まない、請求項1~4のいずれか一項に記載の非燃焼加熱型香味吸引システム。
- 前記たばこ成分含有セグメントが、たばこ顆粒、たばこ粉末、たばこ刻、たばこシート及びたばこ抽出物からなる群から選択される少なくとも一種のたばこ材料を含む、請求項1~5のいずれか一項に記載の非燃焼加熱型香味吸引システム。
- 前記非燃焼加熱型香味吸引器が、さらに香料成分を含む、請求項1~6のいずれか一項に記載の非燃焼加熱型香味吸引システム。
- 前記香料成分が、前記エアロゾル源含有セグメント以外のセグメントに含まれる、請求項7に記載の非燃焼加熱型香味吸引システム。
- 前記香料成分が前記たばこ成分含有セグメントに含まれる、請求項7又は8に記載の非燃焼加熱型香味吸引システム。
- 前記たばこ含有セグメントが、香料担持体と、前記たばこ材料と、を含む、請求項6に記載の非燃焼加熱型香味吸引システム。
- 前記非燃焼加熱型香味吸引器が、穿孔を有する第一の筒状部材で構成される冷却セグメント、第二の筒状部材で構成されるセンターホールセグメント、及びフィルターセグメントからなる群から選択される少なくとも一つのセグメントをさらに含む、請求項1~10のいずれか一項に記載の非燃焼加熱型香味吸引システム。
- 前記ヒータによる前記エアロゾル源含有セグメントの加熱温度が150~400℃である、請求項1~11のいずれか一項に記載の非燃焼加熱型香味吸引システム。
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WO2019110747A1 (en) | 2017-12-07 | 2019-06-13 | Philip Morris Products S.A. | Aerosol-generating article having aerosol-generating substrate with dual plugs |
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WO2022230865A1 (ja) * | 2021-04-27 | 2022-11-03 | 日本たばこ産業株式会社 | 非燃焼加熱型香味吸引器用たばこシート、非燃焼加熱型香味吸引器、及び非燃焼加熱型香味吸引システム |
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AR091509A1 (es) | 2012-06-21 | 2015-02-11 | Philip Morris Products Sa | Articulo para fumar para ser usado con un elemento de calentamiento interno |
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GB201719747D0 (en) | 2017-11-28 | 2018-01-10 | British American Tobacco Investments Ltd | Aerosol generation |
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2022
- 2022-11-25 JP JP2024559818A patent/JPWO2024111110A1/ja active Pending
- 2022-11-25 KR KR1020257015645A patent/KR20250087669A/ko active Pending
- 2022-11-25 WO PCT/JP2022/043491 patent/WO2024111110A1/ja active Application Filing
- 2022-11-25 CN CN202280101939.XA patent/CN120225077A/zh active Pending
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JP2022503529A (ja) * | 2019-09-26 | 2022-01-12 | ケイティー アンド ジー コーポレイション | 複数のエアロゾル生成基質でエアロゾルを生成するエアロゾル生成システム及びその装置 |
WO2021246646A1 (en) * | 2020-06-03 | 2021-12-09 | Kt&G Corporation | Aerosol generating device including multiple inductance channels |
WO2022230865A1 (ja) * | 2021-04-27 | 2022-11-03 | 日本たばこ産業株式会社 | 非燃焼加熱型香味吸引器用たばこシート、非燃焼加熱型香味吸引器、及び非燃焼加熱型香味吸引システム |
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CN120225077A (zh) | 2025-06-27 |
KR20250087669A (ko) | 2025-06-16 |
JPWO2024111110A1 (ja) | 2024-05-30 |
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