Classifications

• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/01—Making cigarettes for simulated smoking devices
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/14—Machines of the continuous-rod type
  • A24C5/18—Forming the rod
  • A24C5/1821—Forming the rod containing different tobacco mixtures, e.g. composite rods
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/14—Machines of the continuous-rod type
  • A24C5/18—Forming the rod
  • A24C5/1885—Forming the rod for cigarettes with an axial air duct
• • 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
  • A24F40/05—Devices without heating means
• • 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 a tobacco rod for a flavor inhaler, and more particularly, it relates to a tobacco rod for a direct heating type or indirect heating type flavor inhaler.
• Japanese Patent No. JP 6017546 discloses a heating type smoking article including a gathered or crimped tobacco material sheet.
• WO 2008/018753A1 discloses a tobacco rod with a plurality of joined rod-shaped segments.
• the present inventors made earnest studies to find that the above-described problem can be solved by a tobacco rod in which a plurality of segments are connected to one another in such a manner that channels of the segments are discontinuous.
• the technical solution implemented by the present invention is defined in the independent claims.
• Fig. 1 is a schematic diagram of a tobacco rod.
• X to Y embraces end values of X and Y.
• a time when aerosol stays in the tobacco rod 1 can be extended, and hence, volatilization efficiency of a flavor component can be improved.
• An example of a substance to be used for comparison of a volatilization property of a flavor component includes nicotine.
• the cross-sectional shape of the tobacco rod 1 is not limited, and can be a circular, elliptical, polygonal, or rounded polygonal shape.
• the size of the cross-sectional shape of the tobacco rod 1 is not limited, and the maximum length (hereinafter also referred to as the "width") is preferably 1 mm or more, and more preferably 3 mm or more.
• the upper limit is preferably 9 mm or less, and more preferably 7 mm or less.
• the length of the tobacco rod 1 is preferably 40 mm or less, and more preferably 25 mm or less.
• the lower limit is preferably 1 mm or more, and more preferably 5 mm or more.
• the length of the segment 1s can be appropriately adjusted depending on the length of the tobacco rod 1 and the number of segments.
• the segment 1s comprises a flavor source 10 including tobacco.
• the flavor source 10 including tobacco (hereinafter also simply referred to as the "flavor source”) forms a channel through which aerosol flows over the longitudinal direction of the segment 1s. Therefore, the flavor source 10 including tobacco is preferably a flavor generating sheet.
• the flavor generating sheet can be a sheet in which a component capable of generating a flavor is supported on a sheet substrate, or a sheet made of a material that generates a flavor. Examples of the component capable of generating a flavor include a smoking flavor component contained in a tobacco raw material, and a perfume component such as menthol.
• the sheet substrate can be, for example, a tobacco material such as a compressed tobacco pellet or a tobacco powder, and is preferably a tobacco material.
• the flavor generating sheet may contain a tobacco-derived material in either the sheet substrate or the component capable of generating a flavor, and in one embodiment, a tobacco sheet in which a component capable of generating a flavor if necessary is supported on a substrate sheet of a tobacco material is preferably used.
• Fig. 2 is a cross-sectional view of the segment 1s in which a flavor generating sheet 10s is folded to be filled in the cylindrical container 12 as the flavor source 10.
• Fig. 2(1) illustrates an embodiment in which the flavor generating sheet 10s not having been subjected to a surface treatment is filled
• Fig. 2(2) illustrates an embodiment in which the flavor generating sheet 10s having been subjected to a surface treatment such as crimping is filled.
• the number of flavor generating sheets to be filled is not limited, can be 1 to 3, and is preferably 1 from the viewpoint of manufacturability.
• the flavor generating sheet 10s is used as the flavor source 10
• at least one surface of the sheet is preferably subjected to a surface treatment.
• the surface treatment refers to a process for forming a plurality of irregularities on the front surface or the rear surface of the flavor generating sheet 10s.
• the surface treatment is not especially limited, and crimping process, embossing process, debossing process, half cutting process, or the like can be performed.
• the crimping process is a process for forming wrinkles in the sheet.
• the crimping process can be performed by forming wrinkles extending orthogonally to a sheet conveyance direction on both the front surface and the rear surface of the flavor generating sheet 10s.
• the thus formed projections extend orthogonally to the sheet conveyance direction.
• a pitch between apexes of the projections provided on the rollers is preferably 0.5 to 2.0 mm.
• an apex angle is preferably 30 to 70 degrees.
• the embossing process and the debossing process refer to a process for forming recesses on one surface or both surfaces of the sheet by pressing a pointed working tool against the sheet
• the half cutting process refers to a process for forming, on one surface or both surfaces of the sheet, a notch having a depth sufficiently small not to cut the sheet, preferably a depth equal to or smaller than a half of the thickness of the sheet.
• a plurality of strip-shaped flavor generating sheets may be used as the flavor source 10.
• a strip-shaped sheet refers to a sheet having a length in a short direction, on a principal surface, smaller than the cross-sectional dimension of the cylindrical container 12.
• Fig. 3(1) illustrates the outline of this embodiment.
• a reference sign 10r denotes the strip-shaped flavor generating sheet.
• the strip-shaped flavor generating sheets 10r are filled with the longitudinal direction aligned substantially in parallel to the longitudinal direction of the cylindrical container 12.
• Fig. 3(2) is a cross-sectional view of the segment 1s of this embodiment.
• the strip-shaped flavor generating sheet 10r may be subjected to the surface treatment.
• a production method disclosed in Japanese Patent Laid-Open No. 62-272962 is known, and the segment 1s of the present invention can also be produced by the method described in this publication.
• a reconstituted tobacco sheet is preferably used as a sheet material instead of a recycled tobacco material, and as the reconstituted tobacco sheet, a sheet obtained by a papermaking process, a slurry sheet, or a cast sheet is preferably used.
• a strip of a sheet material pulled out of a bobbin may be subjected to the surface treatment described in the above paragraph before being caused to pass through cutting means.
• the flavor generating sheet 10s can be prepared by a known method.
• the flavor generating sheet 10s can be prepared by a known method of, for example, a papermaking, slurry, or rolling method. Specifically, in employing the papermaking method, it can be produced by a method comprising the following steps: 1) A dried leaf tobacco raw material is coarsely crushed, and the resultant is separated into a water extract and a residue through extraction with water. 2) The water extract is concentrated by vacuum drying. 3) Pulp is added to the residue, and the resultant is fiberized with a refiner, followed by papermaking. 4) A concentrate of the water extract is added to a sheet resulting from the papermaking, and the resultant is dried to obtain a tobacco sheet.
• the shape of the flavor generating sheet 10s is not limited, and the principal surface of the sheet is preferably in a rectangular shape.
• the thickness is not limited, and in consideration of highly efficient heat exchange and the strength of a flavor generating segment, is preferably 200 to 600 ⁇ m.
• One side A of the flavor generating sheet 10s preferably has the same length as the length in the longitudinal direction of the cylindrical container 12.
• the length of the other side B of the flavor generating sheet 10s is appropriately adjusted, and in one embodiment, is 1 to 10 times as long as the length of A.
• the strip-shaped flavor generating sheet 10r can be prepared by cutting the flavor generating sheet 10s.
• a length a in the longitudinal direction of the strip-shaped flavor generating sheet 10r is preferably the same as the length in the longitudinal direction of the cylindrical container 12.
• a length b in the short direction of the strip-shaped flavor generating sheet 10r is appropriately adjusted, and in one embodiment, is about 0.4 to 3.0 mm, preferably 0.6 to 2.0 mm, and more preferably 0.8 to 1.5 mm.
• the flavor source 10 may include an aerosol source.
• An example of the aerosol source includes polyol such as glycerin, propylene glycol, or 1,3-butanediol.
• the amount of the aerosol source to be added is preferably 5 to 50% by weight, and more preferably 10 to 30% by weight based on a dry weight of the flavor source 10.
• the aerosol source included in the flavor source 10 is referred to also as the "internal aerosol source".
• the tobacco rod 1 is suitably used for the direct heating type flavor inhaler.
• the flavor source 10 for the indirect heating type flavor inhaler preferably does not include the internal aerosol source.
• One end or both ends of the cylindrical container 12 may be opened, or may be closed with retaining the permeability. If the end is closed, the end is preferably made of the above-described material.
• the dimension of the cylindrical container 12 is appropriately adjusted to attain the above-described dimension of the tobacco rod 1.
• the cylindrical container 12 may be continuous over a plurality of segments 1s.
• the direct heating type flavor inhaler refers to an article that generates a flavor by heating the flavor source 10.
• Fig. 4 illustrates one embodiment of the direct heating type flavor inhaler.
• a reference sign 100 denotes the direct heating type flavor inhaler
• the reference sign 1 denotes the tobacco rod
• a reference sign 2 denotes a mouthpiece
• a reference sign 20 denotes a cooling portion
• a reference sign 22 denotes a filter
• a reference sign 3 denotes a wrapper.
• the mouthpiece is not limited in the dimension, and preferably has the same width as the tobacco rod 1, and preferably has a length of 26 to 50 mm.
• the filter 22 is preferably made of a material usually used in this field, such as a cellulose acetate filter.
• the length of the filter 22 is preferably 12 to 60% of the whole length of the mouthpiece.
• the cooling portion 20 has a function to cool aerosol.
• the cooling portion 20 may be hollow, or may have a cooling element such as a polylactic acid film.
• the cooling portion 20 may be provided with ventilation.
• the length of the cooling member 20 is preferably 8 to 77% of the whole length of the mouthpiece 2.
• the wrapper 3 the laminate of paper with a resin film such as a polyethylene film, the laminate of paper with a thin film formed by drying a solution of a saccharide/polysaccharide, the laminate of paper with a metal foil such as an aluminum foil, the cardboard described above or the like can be used.
• the cylindrical container 12 may be elongated to also work as the wrapper 3 as illustrated in Fig. 4(1) .
• the wrapper 3 may be provided outside the cylindrical container 12 as illustrated in Fig. 4(2) .
• the cylindrical container 12 is preferably made of the resin or the cardboard.
• the direct heating type flavor inhaler is heated by a known heater.
• the heater is preferably capable of electrically heating the tobacco rod 1 to 200 to 400°C.
• the direct heating type flavor inhaler is classified into an internal heating type in which the heater is inserted into the tobacco rod 1, and an external heating type in which the heater is provided around the tobacco rod 1. In the present invention, the latter is preferred because the structure of the channels is not changed before and after the heater is installed.
• a combination of the direct heating type flavor inhaler and the heater is also referred to as a direct heating type flavor inhaling system.
• the indirect heating type flavor inhaler refers to an article that generates a flavor without directly heating the flavor source but generating aerosol from the aerosol source disposed on the upstream side to cause a flavor component from the flavor source to be carried on the aerosol.
• Fig. 5 illustrates an embodiment of the indirect heating type flavor inhaler.
• a reference sign 200 denotes an indirect heating type flavor inhaler
• a reference sign 1 denotes a tobacco rod
• a reference sign 1s denotes a segment
• a reference sign 3 denotes a wrapper
• a reference sign 4 denotes an atomizing portion
• a reference sign 5 denotes an external aerosol source
• a reference sign 7 denotes an outer frame.
• the outer frame 7 of the indirect heating type flavor inhaler can be a resin housing.
• the side wall of the cartridge 201 corresponds to the outer frame 7.
• the precursor can be prepared in the same manner as the segment 1s.
• a polypropylene straw having a diameter of 8 mm, a wall thickness of 0.2 mm, and a length of 21 mm was provided.
• the cut flavor generating sheet was folded and filled within the straw to prepare a precursor.
• the precursor had a cross-section in a shape as illustrated in Fig. 2(1).
• the precursor was cut, vertically to the longitudinal direction, into three equal portions to obtain three segments.
• the center segment was rotated in the circumferential direction around a central axis in the longitudinal direction by 120 degrees. Thereafter, the three segments were connected to one another by winding these with one piece of tipping paper, and thus, a tobacco rod including three segments was produced.

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• Manufacture Of Tobacco Products (AREA)
• Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Applications Claiming Priority (1)

Publications (3)

Family

ID=73459222

Family Applications (1)

Country Status (6)

Families Citing this family (10)

Family Cites Families (21)

• 2019
  • 2019-05-17 EP EP19930112.8A patent/EP3970537B1/en active Active
  • 2019-05-17 JP JP2021520490A patent/JP7595005B2/ja active Active
  • 2019-05-17 WO PCT/JP2019/019659 patent/WO2020234916A1/ja not_active Ceased
  • 2019-05-17 CN CN201980096518.0A patent/CN113840546A/zh active Pending
  • 2019-06-13 TW TW108120505A patent/TW202042678A/zh unknown
• 2021
  • 2021-11-16 US US17/527,712 patent/US20220071277A1/en active Pending
• 2023
  • 2023-07-04 JP JP2023109924A patent/JP2023126894A/ja active Pending

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