WO2024127457A1 - たばこ含有セグメント、喫煙物品、加熱装置、及び非燃焼加熱喫煙システム - Google Patents
たばこ含有セグメント、喫煙物品、加熱装置、及び非燃焼加熱喫煙システム Download PDFInfo
- Publication number
- WO2024127457A1 WO2024127457A1 PCT/JP2022/045654 JP2022045654W WO2024127457A1 WO 2024127457 A1 WO2024127457 A1 WO 2024127457A1 JP 2022045654 W JP2022045654 W JP 2022045654W WO 2024127457 A1 WO2024127457 A1 WO 2024127457A1
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- WO
- WIPO (PCT)
- Prior art keywords
- tobacco
- segment
- containing segment
- sheet
- heating device
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- 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
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
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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
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
- A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
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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
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
-
- 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
- A24F40/42—Cartridges or containers for inhalable precursors
Definitions
- the present invention relates to tobacco-containing segments, smoking articles, heating devices, and non-combustion heated smoking systems.
- Imitation tobacco is a tobacco material made by artificially forming tobacco leaves into a paper-like form, and is also called tobacco sheet.
- Known methods for manufacturing such tobacco sheets include, for example, a papermaking process, a slurry (cast) process, a rolling process, and an extrusion molding process.
- the tobacco sheets can be produced by combining tobacco raw materials with an aerosol former, binder, etc., and then using the process described above.
- the tobacco sheets produced in this manner can be shredded to a predetermined size and wrapped in cigarette paper with the resulting tobacco shreds on the inside to form a cylindrical tobacco rod (Patent Document 1).
- the tobacco sheet can be gathered and then formed into a cylindrical tobacco rod without being shredded (Patent Documents 2 to 4).
- Patent Document 5 tobacco shreds are molded into a rectangular shape, and the resulting molded product is inserted into a dedicated heated smoking device for use.
- Patent Document 6 multiple different tobacco sheets are laminated to form a laminated flavor-generating component, which is then inserted into a heated smoking device for use.
- Patent Document 5 the ease of inserting the molded product into the insertion port is not examined, and the relationship between the size of the molded product and the size of the insertion port is not clear.
- Patent Document 6 an additional stacking process is required, and if the thickness and amount of aerosol former vary among the tobacco sheets constituting each layer, the variation is reflected in the number of sheets stacked, and the product becomes heavy and bulky as the number of sheets stacked increases, which can be problematic.
- An object of the present invention is to provide a novel tobacco-containing segment that does not use a conventional cylindrical tobacco rod.
- a tobacco-containing segment consisting of a single sheet and having a thickness of more than 70 ⁇ m and less than 1,000 ⁇ m.
- a heating device comprising a body having a recess into which a tobacco-containing segment of a non-combustion heated smoking article is inserted, the size of the gap of the recess being 0.2 to 2.0 mm.
- the heating device according to [12] wherein the cross-sectional shape of the recess is rectangular.
- the heating device described in [12] or [13], wherein the non-combustion heat smoking article is the non-combustion heat smoking article described in [11].
- a non-combustion heat smoking system comprising the non-combustion heat smoking article according to [11] and the heating device according to any one of [12] to [14].
- a non-combustion heat smoking system as described in [15], wherein the ratio of the size of the gap of the recess of the heating device to the thickness of the tobacco-containing segment of the non-combustion heat smoking article is 1.35 or more.
- the tobacco-containing segment of the present invention is a novel tobacco-containing segment that does not use the conventional cylindrical tobacco rod, and offers various advantages, such as significantly reducing the amount of tobacco carried as a heated smoking article, eliminating the risk of the rod bending as with cylindrical tobacco rods, and enabling compact packaging.
- FIG. 1 is a schematic diagram showing an example of a smoking segment.
- FIG. 2 is a schematic cross-sectional view showing an example of a non-combustion heat smoking article.
- FIG. 3 is a schematic cross-sectional view showing an example of a non-combustion heating smoking system.
- FIG. 4 is a schematic diagram showing an example of a heating device.
- FIG. 5 is a schematic diagram showing an apparatus for evaluating the insertability of a tobacco-containing segment into a heating device.
- the tobacco-containing segment, non-combustion heat smoking article, heating device, and non-combustion heat smoking system of the present application are described below.
- the tobacco-containing segment of the present invention consists of one sheet and has a thickness of more than 70 ⁇ m and less than 1000 ⁇ m.
- the thickness of the tobacco-containing segment is more than 70 ⁇ m and less than 1000 ⁇ m, preferably 70 to 500 ⁇ m, more preferably 100 to 500 ⁇ m, and most preferably 120 to 200 ⁇ m.
- the amount of tobacco-containing segment is excellent in thermal efficiency when heated and can ensure an appropriate number of smokes.
- the width of the tobacco-containing segment is not particularly limited, but is preferably 5 to 20 mm, more preferably 7.5 to 17.5 mm, and most preferably 1 to 15 mm. By having the width of the tobacco-containing segment within the above numerical range, it becomes easier to pick up with just the fingertips, making it easier to insert into the device (heating device).
- the length of the tobacco-containing segment is not particularly limited, but is preferably 40 to 90 mm, more preferably 50 to 75 mm, and most preferably 50 to 60 mm. By having the length of the tobacco-containing segment within the above numerical range, the tobacco-containing segment can be stably inserted into the device and the amount of tobacco-containing segment can ensure an appropriate number of smokes.
- the cross-sectional shape of the tobacco-containing segment is not particularly limited, but can be a rectangle, a square such as a perfect square; a diamond; or an ellipse. Of these, a square is preferred. By using a square shape, the cut surface is stable and uniform quality can be ensured.
- the tobacco-containing segment may be wrapper-free.
- the lack of a wrapper in the tobacco-containing segment allows for direct heat transfer to the tobacco-containing segment.
- the tobacco-containing segment can be produced by directly using the sheet described below.
- the tobacco-containing segment of the present invention consists of one sheet.
- the size (thickness, width, length), cross-sectional shape, and other configurations of the sheet may be similar to those of the tobacco-containing segment described above.
- sheet refers to a shape having a pair of generally parallel main surfaces and side surfaces.
- the tobacco-containing segment or sheet may have a length direction, a width direction, and a thickness direction, and the order of dimensions may be "thickness" ⁇ "width" ⁇ "length".
- An example of a tobacco-containing segment (smoking segment) 20A (smoking composition sheet or material derived therefrom 21) is shown in Figure 1.
- the dimensions T, W, and L correspond to thickness, width, and length, respectively.
- the sheet may contain or consist of, but is not limited to, fibers derived from plant raw materials, binders, aerosol formers, or a combination of two or more of these. Of these, it is preferable to use fibers derived from plant raw materials. By using fibers derived from plant raw materials, the structural framework of the sheet can be formed.
- the above-mentioned plant raw materials are not particularly limited, but can contain or consist of tobacco raw materials.
- tobacco raw materials By using tobacco raw materials, the structural framework of the sheet can be formed, and since the polysaccharides contained in the tobacco raw materials function as binders, the amount of binder added from the outside can be reduced.
- the tobacco raw materials mentioned above are raw materials derived from Nicotiana plants, and include, for example, tobacco raw materials such as tobacco leaves, aged tobacco leaves, tobacco shreds, tobacco powder, parts other than leaves such as backbone and stem residues, and processed products or waste products obtained by subjecting tobacco raw materials to processing.
- tobacco leaves are a general term for harvested tobacco leaves before they undergo aging.
- One form of aging includes curing.
- Tobacco shreds are aged tobacco leaves, etc. that have been chopped into a specified size.
- Tobacco powder is tobacco leaves, etc. that have been crushed.
- tobacco varieties can be used as the tobacco raw material.
- examples of tobacco varieties include flue-cured, burley, orient, native, other Nicotiana tabacum varieties, and Nicotiana rustica varieties. These varieties can be used alone, but in order to obtain the desired flavor, they can also be blended during the process from tobacco leaf harvest to the processing of aged tobacco leaves into various forms (i.e., processed tobacco leaves) used in non-combustion heated tobacco products. Details of the tobacco varieties are disclosed in "Encyclopedia of Tobacco, Tobacco Research Center, March 31, 2009."
- tobacco leaves refers to harvested tobacco leaves before they are aged.
- One form of aging includes curing.
- tobacco leaves that have been aged and have not yet been processed into various forms for use in tobacco products are referred to as “aged tobacco leaves.”
- aged tobacco leaves are referred to as “processed tobacco leaves.”
- the sheet may further include an aerosol former.
- the aerosol former is not particularly limited, but may contain or consist of a polyol such as glycerin, 1,2-propanediol, or 1,3-propanediol; a fatty acid such as a medium chain fatty acid or palmitic acid; or a mixture of two or more of these.
- polyols are preferred. Use of polyols allows for stable generation of smoke.
- the amount of aerosol former contained in the sheet based on the entire sheet is not particularly limited, but is preferably 10 to 80% by mass, more preferably 15 to 60% by mass, and most preferably 15 to 30% by mass. By having the amount of aerosol former within the above range, it is possible to smoke a sufficient number of times, about 10 to 20 times, from the start of smoking.
- the sheet can be obtained as a tobacco sheet by forming a composition containing aged tobacco leaves, etc., into a sheet shape.
- the aged tobacco leaves used for the tobacco sheet are not particularly limited, but examples include those that have been deboned and separated into lamina and midrib.
- the method for forming the sheet is not particularly limited, but for example, tobacco powder, nicotine, flavor development aid, binder, and optionally an aerosol former and flavoring can be mixed, water can be added to the mixture, kneaded, and the resulting kneaded material can be formed by known methods such as papermaking, casting, rolling, etc. Details of various sheets (tobacco sheets) formed by such methods are disclosed in "Encyclopedia of Tobacco, Tobacco Research Center, March 31, 2009."
- the sheet may further contain antioxidants, terpenes, menthol, or a combination of two or more of these. Of these, it is preferable to use menthol. By using menthol, you can enjoy a refreshing smoking experience.
- the smoking article of the present invention comprises a tobacco-containing segment as described above in the section "1. Tobacco-containing segment.”
- Smoking articles include smoking articles that allow the user to inhale and enjoy the flavor, and smokeless tobacco (smokeless smoking articles) that allow the user to enjoy the flavor by holding the product directly in the nasal or oral cavity.
- Smoking articles can be broadly divided into combustible smoking articles, typified by conventional cigarettes, and non-combustible smoking articles.
- Examples of combustible smoking articles include cigarettes, pipes, pipes, cigars, and cigarillos.
- a non-combustion heated smoking article may be heated by a heating device separate from the article, or by a heating device integrated into the article.
- the non-combustion heated smoking article and the heating device are collectively referred to as a "non-combustion heated smoking system.”
- An example of a non-combustion heated smoking system is described below with reference to Figures 2 to 4.
- FIG. 2 is a cross-sectional view of the non-combustion heat smoking article 20.
- the non-combustion heat smoking article 20 (hereinafter simply referred to as "smoking article 20") has a flat plate shape corresponding to the sheet shape of the tobacco-containing segment described in the above section "1. Tobacco-containing segment".
- the thickness of the smoking article 20 is not particularly limited, but is preferably 70 to 500 ⁇ m, more preferably 100 to 500 ⁇ m, and most preferably 120 to 200 ⁇ m.
- the width of the smoking article 20 is not particularly limited, but is preferably 0.5 to 20 mm, more preferably 0.75 to 20 mm, and most preferably 10 to 17.5 mm.
- the total length (horizontal length) of the smoking article 20 is not particularly limited, but is preferably 40 mm to 150 mm, more preferably 50 mm to 90 mm, and even more preferably 50 mm to 70 mm.
- the smoking article 20 is composed of a smoking segment 20A, a filter portion 20C that forms the mouthpiece, and a connecting portion 20B that connects these.
- the smoking segment 20A may be the tobacco-containing segment described above in section "1. Tobacco-containing segment.”
- the size (thickness, width, length), cross-sectional shape, and other configurations of the smoking segment 20A may be similar to the configurations of the tobacco-containing segment described above in section "1. Tobacco-containing segment.”
- the cross-sectional shape of the filter portion 20C can be the same as that of the smoking segment 20A.
- the filter portion 20C has, for example, a rectangular prism shape.
- the filter portion 20C has a first segment 25 in the shape of a rectangular prism filled with cellulose acetate fiber, and a second segment 26 in the shape of a rectangular prism similarly filled with cellulose acetate fiber.
- the first segment 25 is located on the smoking segment 20A side.
- the first segment 25 may have a hollow portion.
- the second segment 26 is located on the mouthpiece side.
- the second segment 26 is solid.
- the first segment 25 is composed of a first filling layer (cellulose acetate acetate fiber) 25a and an inner plug wrapper 25b wound around the first filling layer 25a.
- the second segment 26 is composed of a second filling layer (cellulose acetate acetate fiber) 26a and an inner plug wrapper 26b wound around the second filling layer 26a.
- the first segment 25 and the second segment 26 are connected by an outer plug wrapper 27.
- the outer plug wrapper 27 is adhered to the first segment 25 and the second segment 26 by a vinyl acetate emulsion adhesive or the like.
- the length of the filter portion 20C can be, for example, 10 to 30 mm
- the length of the connecting portion 20B can be, for example, 10 to 30 mm
- the length of the first segment 25 can be, for example, 5 to 15 mm
- the length of the second segment 26 can be, for example, 5 to 15 mm.
- the first segment 25 (center hole segment) is composed of a first filling layer 25a having one or more hollow portions, and an inner plug wrapper 25b that covers the first filling layer 25a.
- the first segment 25 has the function of increasing the strength of the second segment 26.
- the first filling layer 25a of the first segment 25 is densely packed with, for example, cellulose acetate fibers.
- a plasticizer containing triacetin is added to the cellulose acetate fibers in an amount of, for example, 6 to 20% by mass relative to the mass of the cellulose acetate, and the fibers are hardened.
- the hollow portion of the first segment 25 has a cylindrical shape with an inner diameter of, for example, ⁇ 1.0 to ⁇ 5.0 mm.
- the first filling layer 25a of the first segment 25 may be constructed with, for example, a relatively high fiber packing density, or may be equivalent to the fiber packing density of the second filling layer 26a of the second segment 26 described below. Therefore, during inhalation, air and aerosol flow only through the hollow portion, and almost no air or aerosol flows through the first filling layer 25a. For example, if it is desired to reduce the loss of aerosol components due to filtration in the second segment 26, the length of the second segment 26 can be shortened and the first segment 25 can be lengthened accordingly.
- Replacing the shortened second segment 26 with the first segment 25 is effective in increasing the amount of aerosol components delivered. Because the first filling layer 25a of the first segment 25 is a fiber-filled layer, the feel from the outside during use does not cause discomfort to the user.
- the second segment 26 is composed of a second packed layer 26a and an inner plug wrapper 26b that covers the second packed layer 26a.
- the second segment 26 (filter segment) is packed with cellulose acetate fibers at a typical density and has typical filtering performance for filtering aerosol components.
- the filtering performance for filtering the aerosol (mainstream smoke) emitted from the smoking segment 20A may be different between the first segment 25 and the second segment 26. At least one of the first segment 25 and the second segment 26 may contain a flavoring.
- the structure of the filter portion 20C is arbitrary, and may be a structure having multiple segments as described above, or may be composed of a single segment.
- the filter portion 20C may also be composed of one segment. In this case, the filter portion 20C may be composed of either the first segment or the second segment.
- the cross-sectional shape of the connecting part 20B may be the same as that of the smoking segment 20A.
- the connecting part 20B may be, for example, a rectangular prism.
- the connecting part 20B has a cardboard tube 23 formed into a rectangular prism shape, for example, from cardboard or the like.
- the connecting part 20B may be filled with a cooling material for cooling the aerosol.
- An example of the cooling material is a sheet of a polymer such as polylactic acid, which may be folded and filled.
- a support part may be provided between the smoking segment 20A and the connecting part 20B to prevent the position of the smoking segment 20A from fluctuating.
- the support part may be made of a known material such as a center hole filter like the first segment 25.
- the wrapper 28 is wrapped around the outside of the smoking segment 20A, the connecting portion 20B, and the filter portion 20C in a rectangular prism shape, connecting them together as a unit.
- One side (inner surface) of the wrapper 28 is coated entirely or almost entirely with a vinyl acetate emulsion adhesive, except for the area near the ventilation hole portion 24.
- the multiple ventilation hole portions 24 are formed by laser processing from the outside after the smoking segment 20A, the connecting portion 20B, and the filter portion 20C are integrated by the wrapper 28.
- the ventilation hole section 24 has two or more through holes penetrating the connecting section 20B in the thickness direction.
- the two or more through holes are formed so as to be arranged radially when viewed from an extension of the central axis of the smoking article 20.
- the ventilation hole section 24 is provided in the connecting section 20B, but may be provided in the filter section 20C.
- the two or more through holes of the ventilation hole section 24 are arranged in one row at a fixed interval on the circumference of one rectangle, but may be arranged in two rows at a fixed interval on the circumference of two rectangles, or one or two rows of the ventilation hole section 24 may be arranged discontinuously or irregularly.
- Heating device and non-combustion heat smoking system An example of a non-combustion heat smoking system is shown in Fig. 3.
- the non-combustion heat smoking system includes a non-combustion heat smoking article 20 and a heating device (heating device) 10 that heats the smoking segment 20A from the outside.
- An enlarged view of the heating device is shown in Fig. 4.
- the heating device 10 comprises a body 11, a heater 12, a metal tube 13, a battery unit 14, and a control unit 15.
- the body 11 has a recess 16, and the heater 12 and the metal tube 13 are arranged at a position corresponding to the smoking segment 20A to be inserted therein.
- the heater 13 can be a heater using electrical resistance, and the battery unit 14 supplies power to the heater 12 in response to an instruction from the control unit 15, which controls the temperature, to heat the heater 12.
- the heat generated by the heater 12 is transferred to the smoking segment 20A through the metal tube 13, which has high thermal conductivity.
- the heating device 10 is shown as heating the smoking segment 20A from the outside, but it may also be heating from the inside.
- the heating temperature by the heating device 10 is not particularly limited, but is preferably 400°C or less, more preferably 150 to 400°C, and even more preferably 200 to 350°C.
- the heating temperature refers to the temperature of the heater of the heating device 10.
- the heating method used by the heating device is not particularly limited, and in addition to heating using the heater described above, induction heating, microwave heating, etc. can also be used.
- the heating device of the present invention has a body having a recess into which a tobacco-containing segment of a non-combustion heated smoking article is inserted, and the size of the gap in the recess is 0.2 to 2.0 mm.
- the size of the gap (thickness) of the recess in the heating device is 0.2 to 2.0 mm (200 to 2000 ⁇ m), preferably 0.25 to 2.0 mm (250 to 2000 ⁇ m), more preferably 0.3 to 1.8 mm (300 to 1800 ⁇ m), and most preferably 0.4 to 1.75 mm (400 to 1750 ⁇ m).
- the width of the recess in the heating device is not particularly limited, but is preferably 6 to 25 mm, more preferably 7 to 22.5 mm, and most preferably 8 to 21 mm.
- the length of the recess in the heating device is not particularly limited, but is preferably 45 to 75 mm, more preferably 47 to 70 mm, and most preferably 50 to 60 mm.
- the cross-sectional shape of the recess in the heating device is not particularly limited, but can be a rectangle, a square such as a perfect square, a diamond, or an ellipse. Of these, a square is preferable. By using a square, uniform heat transfer can be achieved and it is also easier to design.
- the size (gap (thickness), width, length) and cross-sectional shape of the recess in the heating device can be adapted to the configuration of the tobacco-containing segment to be inserted.
- the sizes of T', W', and L' correspond to the gap (thickness), width, and length of the recess, respectively.
- the non-combustion heat smoking article to be inserted into the heating device may be the non-combustion heat smoking article described above in section "2. Smoking Articles.”
- the non-combustion heat smoking system of the present invention comprises the non-combustion heat smoking article described in the above section "2. Smoking Articles" and the heating device described above.
- the ratio of the size of the gap in the recess of the heating device to the thickness of the tobacco-containing segment of the non-combustion heat smoking article is not particularly limited, but is preferably 1.35 or more, more preferably 1.4 to 1.7, and most preferably 1.4 to 1.5.
- the unit of the size of the gap in the recess and the unit of the thickness of the tobacco-containing segment can be adjusted to the same unit ( ⁇ m, mm, etc.).
- Example 1 (Preparation of tobacco sheet) 75 g of flue-cured tobacco leaves, 75 g of carboxymethylcellulose, and 60 g of glycerin were mixed to obtain a tobacco raw material of Sample 1. Using the obtained tobacco raw material of Sample 1, a tobacco sheet of Sample 1 was produced based on a known papermaking method. As shown in Table 1, the contents of each component in the obtained tobacco sheet can be calculated to be tobacco leaves: 35 mass%, carboxymethylcellulose: 35 mass%, and glycerin: 30 mass%. As shown in Table 1, the obtained tobacco sheet of Sample 1 had a width of 15 mm, a thickness of 149 ⁇ m, a length of 50 mm, and a cross-sectional shape of a rectangle.
- the tobacco raw materials for Samples 2 to 4 were obtained in the same manner as Sample 1 above, except that the blending amounts of each component and the manufacturing conditions were changed so that the content of each component in the obtained tobacco sheet and the size (thickness, width, length) and cross-sectional shape of the tobacco sheet were as shown in Table 1 below, and then the tobacco sheets for Samples 2 to 4 were manufactured based on a known papermaking method.
- the thickness of each tobacco sheet shown in Table 1 was obtained by selecting four random locations on each tobacco sheet without bias, measuring the thickness of each location using a counting outside micrometer M810-25 (manufactured by Mitutoyo Corporation), and averaging the measurements of the four locations.
- a single sheet of each of the tobacco sheets obtained as described above from samples 1 to 4 was used as a tobacco-containing segment (smoking segment) to prepare the non-combustion heat smoking article shown in Figure 2. Meanwhile, a heating device shown in Figure 4 (recess formed in body: width: 16 mm, gap (thickness): 1.5 mm, depth (length): 50 mm, cross-sectional shape: rectangular) was prepared.
- a heating device shown in Figure 4 was prepared.
- Each of the non-combustion heat smoking articles and heating devices related to samples 1 to 4 described above was used and installed in the non-combustion external heat smoking system shown in Figure 3.
- a cylindrical tobacco rod is formed by wrapping a tobacco sheet with cigarette paper, and such a cylindrical tobacco rod is inserted into a heating device as a tobacco-containing segment.
- a cylindrical tobacco rod tends to bend easily when an external force is applied, and there is a risk of it being bent when it is carried around as a heated smoking article.
- each tobacco-containing segment of Samples 1 to 4 is formed from only one tobacco sheet and is therefore small in weight and volume, which provides the advantages of significantly reducing the amount of tobacco carried as a heated smoking article and enabling compact packaging.
- the tobacco-containing segments of Samples 1 to 3 which have a thickness of less than 1000 ⁇ m, are thinner and therefore have a smaller weight and volume than the tobacco-containing segment of Sample 4 (Comparative Example), which has a thickness of 1000 ⁇ m or more, thereby offering the advantages of allowing the amount of tobacco carried as a heated smoking article to be lighter and for the packaging to be more compact.
- Example 2 Evaluation of Insertability of Tobacco-Containing Segments into a Heating Device
- the ease of inserting the tobacco-containing segment into the heating device can be improved by appropriately designing the size of the gap in the recess in the heating device to match the thickness of the tobacco-containing segment.
- the insertability of the tobacco-containing segment into such a heating device was evaluated according to the following procedure.
- Fig. 5 The outline of the device used for evaluating the insertability is shown in Fig. 5.
- a stainless steel flat plate 30 (thickness: 0.5 mm, width: 15 mm, length: 150 mm), and a standard/simplified height gauge (H4-20, manufactured by Mitutoyo Corporation) was further placed on top of the flat plate 30 as a jig 40.
- H4-20 a standard/simplified height gauge
- each tobacco sheet was placed between the flat plate 30 and the measurement surface (lower surface) of the scriber part 41 of the jig 40 thus installed, and the size of the gap (corresponding to the gap of the recess in the heating device) between the flat plate 30 and the measurement surface of the scriber part 41 of the jig 40 was set to each value shown in Table 2 below. Then, each tobacco sheet 21 was moved widthwise (in the direction of the arrow in FIG. 5 ) relative to the flat plate 30 and the scriber portion 41 of the jig 40 to evaluate passability through the gap between the flat plate 30 and the measurement surface of the scriber portion 41 of the jig 40, which is an evaluation equivalent to the insertability into a heating device. The evaluation was performed according to the following criteria. The results are shown in Table 2 below. It can be said that the better the passability of each tobacco sheet 21 through the gap, the better the insertability into a heating device.
- Table 2 show that when each tobacco sheet can be moved smoothly through the gap and is evaluated as an A, the ratio of the minimum gap value to the thickness of the tobacco sheet is within a specific range. Specifically, as in samples 1 to 4, when the ratio of the minimum gap value to the thickness of the tobacco sheet is 1.35 or more, each tobacco sheet can be moved smoothly through the gap.
- the tobacco sheets of samples 1 to 3 in Table 2 have similar thicknesses, but the contents of the aerosol former glycerin are 30, 80, and 12% by weight, respectively, which are significantly different.
- the results in Table 2 above show that these different glycerin contents have almost no effect on the insertability of the tobacco sheet into the heating device, and that this is dependent only on the size of the gap. Therefore, it has been confirmed that the content of the aerosol former, such as glycerin, can be freely designed within the numerical range of, for example, 10 to 80% by mass without adversely affecting the insertability of the tobacco sheet into the heating device.
- the tobacco-containing segment of the present invention is a novel tobacco-containing segment that does not use a conventional cylindrical tobacco rod, and is useful as a tobacco-containing segment.
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Abstract
Description
かかる事情に鑑み、本願の発明者らが鋭意検討を行った結果、1つのシートからたばこ含有セグメントを形成して、加熱装置に挿入することで、加熱喫煙物品として持ち歩くたばこの量が各段に軽くなる、円柱状のたばこロッドのようにロッドが曲がる心配がない、包装をコンパクトにすることが可能となる、といった様々な利点が得られることを見出した。本発明は、従来の円柱状のたばこロッドを使用しない新規なたばこ含有セグメントを提供することを課題とする。
[2] 前記たばこ含有セグメントが四角形状の断面を有する、[1]に記載のたばこ含有セグメント。
[3] 前記シートが植物原料に由来する繊維を含む、[1]又は[2]に記載のたばこ含有セグメント。
[4] 前記植物原料がたばこ原料を含む、[3]に記載のたばこ含有セグメント。
[5] 前記シートがキャストシート又は圧延シートである、[1]~[4]のいずれか1つに記載のたばこ含有セグメント。
[6] 前記シートがエアロゾルフォーマーを含む、[1]~[5]のいずれか1つに記載のたばこ含有セグメント。
[7] 前記エアロゾルフォーマーがポリオールを含む、[6]に記載のたばこ含有セグメント。
[8] 前記シート中の前記エアロゾルフォーマーの含有量が10~80重量%である、[6]又は[7]に記載のたばこ含有セグメント。
[9] 前記たばこ含有セグメントがラッパーを含まない、[1]~[8]のいずれか1つに記載のたばこ含有セグメント。
[10] [1]~[9]のいずれか1つに記載のたばこ含有セグメントを含む喫煙物品。
[11] 非燃焼加熱喫煙物品である、[10]に記載の喫煙物品。
[12] 非燃焼加熱喫煙物品のたばこ含有セグメントを挿入する凹部を有するボディを備え、前記凹部の間隙の大きさが0.2~2.0mmである、加熱装置。
[13] 前記凹部の断面形状が四角形状である、[12]に記載の加熱装置。
[14] 前記非燃焼加熱喫煙物品が[11]に記載の非燃焼加熱喫煙物品である、[12]又は[13]に記載の加熱装置。
[15] [11]に記載の非燃焼加熱喫煙物品及び[12]~[14]のいずれか1つに記載の加熱装置を備える、非燃焼加熱喫煙システム。
[16] 前記非燃焼加熱喫煙物品の前記たばこ含有セグメントの厚みに対する、前記加熱装置の前記凹部の間隙の大きさの比が、1.35以上である、[15]に記載の非燃焼加熱喫煙システム。
本発明のたばこ含有セグメントは、1つのシートからなり、70μm超1000μm未満の厚みを有する。
本発明のたばこ含有セグメントは、1つのシートからなる。
シートのサイズ(厚み、幅、長さ)、断面形状等の各構成は、上述したたばこ含有セグメントの各構成と同様のものとすることができる。
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。たばこ含有セグメント又はシートは、長さ方向、幅方向、及び厚さ方向を有することができ、「厚さ方向の大きさ(厚さ)」<「幅方向の大きさ(幅)」<「長さ方向の大きさ(長さ)」の大きさの順番とすることができる。
たばこ含有セグメント(喫煙用セグメント)20A(喫煙用組成物シートまたはこれに由来する材料21)の例を図1に示す。図1において、T、W、及びLの大きさが、それぞれ厚さ、幅、及び長さに相当する。
これに対して、熟成を経たたばこ葉であって、たばこ製品で利用される種々の形態(たばこ刻や、たばこシート、たばこ顆粒等)に加工される前のものを「熟成済たばこ葉」と称する。さらに、熟成済たばこ葉を、たばこ製品で利用される種々の形態に加工したものを「加工済たばこ葉」と称する。
当該エアロゾルフォーマーは、特に限定されないが、グリセリン、1,2-プロパンジオール、1,3-プロパンジオール等のポリオール;中鎖脂肪酸、パルミチン酸などの脂肪酸;又はこれらのうちの2種以上の混合物を含む又はからなることができる。これらのうちでもポリオールが好ましい。ポリオールを使用することにより、安定した煙の生成が可能となる。
本発明の喫煙物品は、上記「1.たばこ含有セグメント」の項目で述べたたばこ含有セグメントを含む。
非燃焼加熱喫煙システムの一例を図3に示す。図中、非燃焼加熱喫煙システムは、非燃焼加熱喫煙物品20と、喫煙用セグメント20Aを外側から加熱する加熱装置(加熱デバイス)10とを備える。加熱装置の拡大図を図4に示す。
(たばこシートの調製)
黄色種のたばこ葉:75g、カルボキシメチルセルロース:75g、及びグリセリン:60gを混合し、試料1のたばこ原料を得た。得られた試料1のたばこ原料を使用し、公知の抄造法に基づいて試料1のたばこシートを製造した。表1に示すように、得られたたばこシート中における各成分の含有量は、たばこ葉:35質量%、カルボキシメチルセルロース:35質量%、及びグリセリン:30質量%と算出できる。表1に示すように、得られた試料1のたばこシートは、幅:15mm、厚み:149μm、長さ:50mm、断面形状:矩形、であった。
一方、試料1~4のように、1枚のたばこシートのみからたばこ含有セグメントを形成することにより、たばこシートは柔軟性があるため、外力が加わった場合でも従来の円柱状のたばこロッドに比べて曲がりにくいことがわかった。また、試料1~4の各たばこ含有セグメントは、1枚のたばこシートのみから形成していて重量及び体積が小さくて済むため、加熱喫煙物品として持ち歩くたばこの量が各段に軽くなる、包装をコンパクトにすることが可能となる、といった利点も得られることがわかった。
また、厚みが1000μm未満である試料1~3の各たばこ含有セグメント(実施例)は、厚みが1000μm以上である試料4のたばこ含有セグメント(比較例)に比べて、厚みが薄い分だけ重量及び体積が小さくて済むため、加熱喫煙物品として持ち歩くたばこの量がより軽くなる、包装をよりコンパクトにすることが可能となる、といった利点が得られることがわかった。
(たばこ含有セグメントの加熱装置への挿入性の評価)
1枚のたばこシートのみからたばこ含有セグメントを形成した場合、上記たばこ含有セグメントの厚みに合わせて加熱装置における凹部の間隙の大きさを適切に設計すれば、加熱装置へのたばこ含有セグメントの挿入性を向上させることができる。
このような加熱装置へのたばこ含有セグメントの挿入性の評価を以下の手順に沿って行った。
挿入性の評価に使用した装置の概要を図5に示す。ステンレス製の平板30(厚み:0.5mm、幅:15mm、長さ:150mm)の上に、上述の試料1~4の各たばこシート21を載置し、さらにその上に標準・簡易形ハイトゲージ(H4-20、株式会社ミツトヨ製)を治具40として設置した。ここで、加熱装置の凹部は一般的に金属製であるという想定に基づき、上記の金属製の平板30及び治具40を使用している。上記のようにして設置した、当該平板30と当該治具40のスクライバ部41の測定面(下面)との間に各たばこシートを配置し、当該平板30と当該治具40のスクライバ部41の測定面との間の間隙(加熱装置における凹部の間隙に相当)の大きさを下記の表2に示す各数値に設定した。
そして、平板30及び治具40のスクライバ部41に対して、各たばこシート21を幅方向(図5の矢印の方向)に動かすことにより、加熱装置への挿入性に相当する評価として、当該平板30と当該治具40のスクライバ部41の測定面との間の間隙での通過性の評価を行った。当該評価は以下の基準に従って行った。結果を下記の表2に示す。上記間隙における各たばこシート21の通過性に優れる程、加熱装置への挿入性に優れると言える。
A:間隙において各たばこシートを円滑に動かすことができる。
B:間隙において各たばこシートを動かすことができるが、評価Aのシートほどは円滑ではない。
C:間隙において各たばこシートを動かそうとすると引っ掛かり皺が発生してしまう。
11 ボディ
12 ヒーター
13 金属管
14 電池ユニット
15 制御ユニット
16 凹部
17 通気穴
20 非燃焼加熱喫煙物品
20A 喫煙用セグメント
20B 連結部
20C フィルター部
21 喫煙用組成物シートまたはこれに由来する材料
23 紙管
24 通気孔部
25 第1セグメント
25a 第1充填層
25b インナープラグラッパー
26 第2セグメント
26a 第2充填層
26b インナープラグラッパー
27 アウタープラグラッパー
28 ラッパー
30 平板
40 治具
41 スクライバ部
Claims (16)
- 1つのシートからなり、70μm超1000μm未満の厚みを有する、たばこ含有セグメント。
- 前記たばこ含有セグメントが四角形状の断面を有する、請求項1に記載のたばこ含有セグメント。
- 前記シートが植物原料に由来する繊維を含む、請求項1又は2に記載のたばこ含有セグメント。
- 前記植物原料がたばこ原料を含む、請求項3に記載のたばこ含有セグメント。
- 前記シートがキャストシート又は圧延シートである、請求項1~4のいずれか1つに記載のたばこ含有セグメント。
- 前記シートがエアロゾルフォーマーを含む、請求項1~5のいずれか1つに記載のたばこ含有セグメント。
- 前記エアロゾルフォーマーがポリオールを含む、請求項6に記載のたばこ含有セグメント。
- 前記シート中の前記エアロゾルフォーマーの含有量が10~80重量%である、請求項6又は7に記載のたばこ含有セグメント。
- 前記たばこ含有セグメントがラッパーを含まない、請求項1~8のいずれか1つに記載のたばこ含有セグメント。
- 請求項1~9のいずれか1つに記載のたばこ含有セグメントを含む喫煙物品。
- 非燃焼加熱喫煙物品である、請求項10に記載の喫煙物品。
- 非燃焼加熱喫煙物品のたばこ含有セグメントを挿入する凹部を有するボディを備え、前記凹部の間隙の大きさが0.2~2.0mmである、加熱装置。
- 前記凹部の断面形状が四角形状である、請求項12に記載の加熱装置。
- 前記非燃焼加熱喫煙物品が請求項11に記載の非燃焼加熱喫煙物品である、請求項12又は13に記載の加熱装置。
- 請求項11に記載の非燃焼加熱喫煙物品及び請求項12~14のいずれか1つに記載の加熱装置を備える、非燃焼加熱喫煙システム。
- 前記非燃焼加熱喫煙物品の前記たばこ含有セグメントの厚みに対する、前記加熱装置の前記凹部の間隙の大きさの比が、1.35以上である、請求項15に記載の非燃焼加熱喫煙システム。
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|---|---|---|---|
| EP22968369.3A EP4635306A1 (en) | 2022-12-12 | 2022-12-12 | Tobacco-containing segment, smoking article, heating device, and non-combustion heating-type smoking system |
| JP2024563777A JPWO2024127457A1 (ja) | 2022-12-12 | 2022-12-12 | |
| KR1020257019333A KR20250094735A (ko) | 2022-12-12 | 2022-12-12 | 담배-함유 세그먼트, 흡연 물품, 가열 장치, 및 비연소가열식 흡연 시스템 |
| PCT/JP2022/045654 WO2024127457A1 (ja) | 2022-12-12 | 2022-12-12 | たばこ含有セグメント、喫煙物品、加熱装置、及び非燃焼加熱喫煙システム |
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| WO (1) | WO2024127457A1 (ja) |
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| EP4635306A1 (en) | 2025-10-22 |
| KR20250094735A (ko) | 2025-06-25 |
| JPWO2024127457A1 (ja) | 2024-06-20 |
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