Classifications

• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/04—Tobacco smoke filters characterised by their shape or structure
• • 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
  • A24D1/02—Cigars; Cigarettes with special covers
• • 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
  • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/02—Manufacture of tobacco smoke filters
  • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
  • A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/04—Tobacco smoke filters characterised by their shape or structure
  • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/06—Use of materials for tobacco smoke filters
  • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/06—Use of materials for tobacco smoke filters
  • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/06—Use of materials for tobacco smoke filters
  • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
  • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
• • 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
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/17—Filters specially adapted for simulated smoking devices

Definitions

• the present invention relates to a flavor inhalation article.
• PTL 1 discloses an aerosol supply system comprising: a housing having a mouthpiece having an air outlet; and a consumable unit accommodated in the housing, the consumable unit including a supply source of an aerosol generating medium, and an air flow path wall forming an air flow path through the supply source of the aerosol generating medium and terminating in the vicinity of the air outlet of the housing.
• the consumable unit comprises at least one filter material among tobacco, cellulose acetate, and porous paper.
• a paper filter for example, may be used in view of the environment.
• the ability of the paper filter to filter the aerosol is generally higher than a filter using fibers such as cellulose acetate. Therefore, when a paper filter is used, the smoking flavor due to the aerosol is reduced more than that of a filter using fibers such as cellulose acetate.
• An object of the present invention is to improve the delivery efficiency of smoking flavor when a paper filter is used for a flavor inhalation article.
• a first feature of the present invention completed on the basis of such an object is a flavor inhalation article comprising: a base material part which includes an aerosol source; and a filter part through which an aerosol generated in the base material part passes, wherein the filter part has a paper filter filled with a sheet member such that a gap is formed in the longitudinal direction of the filter part, and a low filtration member which is disposed in the paper filter and has a lower filtration rate than the filtration rate of the paper filter.
• a second feature is that the paper filter may be a filter in which the sheet member is gathered.
• a third feature is that the fill density of the sheet member may be 90 mg/cm 3 to 720 g/cm 3 .
• a fourth feature is that the low filtration member may be a hollow member with at least one end in the longitudinal direction opened.
• a fifth feature is that the low filtration member may be a hollow member with both ends in the longitudinal direction opened.
• a sixth feature is that the low filtration member may include at least paper.
• the low filtration member may be a straight paper tube formed by cylindrically wrapping paper or a spiral paper tube formed by obliquely wrapping band-shaped paper.
• An eighth feature is that the length of the low filtration member along the longitudinal direction may be shorter than the length of the paper filter along the longitudinal direction.
• a ninth feature is that the difference between the length of the low filtration member along the longitudinal direction and the length of the paper filter along the longitudinal direction may be 2 mm or greater.
• a tenth feature is that the low filtration member may be positioned on a downstream end side in the paper filter, and an end surface of the low filtration member on the downstream end side may be separated by 2 mm or greater from an end surface of the paper filter on the downstream end side.
• An eleventh feature is that the low filtration member may be disposed on the base material part side in the paper filter.
• a twelfth feature is that the length of the low filtration member along the longitudinal direction may be the same as the length of the paper filter along the longitudinal direction.
• a thirteenth feature is that the ratio of the outer diameter of the low filtration member to the outer diameter of the paper filter may be at least 0.2 but less than 0.7.
• a fourteenth feature is that the airflow resistance of the paper filter may be 0 [mmH 2 O/10 mm] to 100 [mmH 2 O/10 mm].
• a fifteenth feature is that an aerosol modifier for modifying the aerosol may be disposed in the paper filter.
• the aerosol modifier may be a destructive capsule from which a content liquid containing a fragrance component is released by applying an external force.
• a seventeenth feature is that the aerosol modifier may be arranged linearly with the low filtration member in the longitudinal direction.
• An eighteenth feature is that the aerosol modifier may be arranged linearly in the longitudinal direction on a suction end side with respect to the low filtration member.
• a nineteenth feature is that the aerosol modifier may be arranged linearly in the longitudinal direction on the base material part side with respect to the low filtration member.
• a twentieth feature is that the filter part may have a cylindrical member molded into a cylindrical shape between the base material part and the paper filter, and the outer diameter of the cylindrical member may be approximately the same as the outer diameter of the paper filter.
• the flavor inhalation article may include tipping paper wrapped around outer peripheral surfaces of the base material part and the filter part, wherein the tipping paper has a vent hole which is formed at a position corresponding to the cylindrical member or the paper filter, and into which air flows from outside.
• suitable aerosol filtration can be achieved when a paper filter is used for the flavor inhalation article.
• delivery efficiency of smoking flavor can be improved as compared with a configuration in which the low filtration member is solid.
• delivery efficiency of smoking flavor can be improved as compared with a configuration in which one end of the low filtration member is closed in the longitudinal direction of the filter part.
• the material constituting the low filtration member can be made approximately the same as the paper filter.
• a cross-section cut perpendicular to the direction of the aerosol flowing inside the low filtration member can be circular.
• the flavor inhalation article can have the same appearance as one end of the paper filter used for the flavor inhalation article without a low filtration member in the longitudinal direction of the filter part.
• the low filtration member can be hidden from view from at least one end of the paper filter in the longitudinal direction of the filter part.
• the low filtration member can be hidden from view from the end surface of the paper filter on the downstream end side in the longitudinal direction of the filter part.
• the delivery efficiency of the smoking flavor can be improved as compared with a configuration in which the length of the low filtration member along the longitudinal direction of the filter part is shorter than the paper filter.
• the delivery amount can be maintained while filtering the aerosol.
• the fourteenth feature it is possible to perform adjustment to have an airflow resistance comparable to that of a flavor inhalation article having a filter using fibers, such as cellulose acetate.
• the aerosol generated in the base material part can be modified.
• the aerosol may be given a new smoking flavor.
• delivery efficiency of the modified aerosol can be improved as compared with a configuration in which the aerosol modifier is disposed at a position that does not correspond to the low filtration member.
• the aerosol that has passed through the low filtration member can be efficiently brought into contact with the aerosol modifier.
• the modified aerosol upon inhalation, can be passed through the low filtration member.
• the delivery efficiency of flavor components and aerosol upon inhalation can be improved.
• the concentrations of the inhaled flavor component and aerosol can be adjusted.
• Fig. 1 is a view showing a longitudinal cross-section of a flavor inhalation article 1 according to a first embodiment.
• Fig. 2 is a schematic view schematically showing a configuration example of an inhalation device 100 according to the first embodiment.
• a flavor inhalation article 1 comprises a base material part 10, a cooling part 20, and a filter part 30.
• a mouthpiece segment 50 may be gripped in the mouth by a user during inhalation, and in the example of fig. 1 , includes the cooling part 20 and the filter part 30.
• the base material part 10 is formed in a columnar shape.
• the direction of the center line CL of the base material part 10 may be referred to as the "center line direction".
• the flavor inhalation article 1 is wound in a state where the base material part 10, the cooling part 20, and the filter part 30 are arranged in this order in the center line direction, the device further includes a tipping paper 40 that integrates them.
• one end side (the left side in fig.
• the first side is an end side to be inserted into the inhalation device 100, and is the upstream side in the flow of aerosol during inhalation.
• the second side is opposite to the first side and is an end side where the user holds the article in the mouth for inhalation, and is the downstream side in the flow of aerosol during inhalation.
• the cross-section along the center line direction is referred to as the "longitudinal cross-section", and the cross-section cut at a plane orthogonal to the center line direction is defined as a "cross-section”.
• the flavor inhalation article 1 according to the first embodiment is used in a heat-not-burn type inhalation device 100.
• the inhalation device 100 includes a power source unit 111 for storing power and supplying power to each component of the inhalation device 100, a sensor unit 112 for detecting various information about the inhalation device 100, and a notification unit 113 for notifying the user of the information.
• the inhalation device 100 also includes a storage unit 114 for storing various information for the operation of the inhalation device 100, a communication unit 115 for transmitting and receiving information between the inhalation device 100 and other devices, and a control unit 116 for controlling the entire operation in the inhalation device 100.
• the inhalation device 100 includes heating units 121 for heating the flavor inhalation article 1, a holding portion 140 for holding the flavor inhalation article 1, an opening 142 for communicating an internal space 141 with the outside, and heat insulating portions 144 for preventing heat transfer from the heating units 121 to other components of the inhalation device 100.
• a user inhales with the inhalation device 100 in a state in which the flavor inhalation article 1 is held by the holding portion 140.
• the heating units 121 heat the base material part 10 of the flavor inhalation article 1.
• the heating units 121 are formed by any material such as a metal or polyimide.
• the heating units 121 are configured in a film shape and disposed so as to cover the outer circumference of the holding portion 140.
• an aerosol source 11 contained in the flavor inhalation article 1 is heated from the outer periphery of the flavor inhalation article 1.
• the heating units 121 generate heat when supplied with electricity from the power source unit 111.
• the electricity may be supplied when the sensor unit 112 has detected that there has been predetermined user input.
• the electrical supply may be stopped when the sensor unit 112 has detected that there has been predetermined user input.
• the aerosol may be generated by electricity being supplied during a period in which the sensor unit 112 detects that there is inhalation by the user.
• the heat insulating portions 144 are disposed so as to cover at least the outer periphery of the heating units 121.
• the heat insulating portions 144 are configured by a vacuum insulating material or an aerogel insulating material, etc.
• a vacuum insulating material is a heat insulating material in which a state of high vacuum is created by wrapping glass wool and silica (silicon powder), etc. in a resin film, for example, so that heat conduction by gas is as close as possible to zero.
• the flavor inhalation article 1 is a heat-not-burn type flavor inhalation article.
• the cross-section of the flavor inhalation article 1 is substantially circular and the outer diameter thereof can be changed as appropriate to match the size of the product, but the outer diameter is usually 16-27 mm, preferably 21-23 mm. It should be noted that when the cross-section is not circular, the aforementioned outer diameter is applied assuming a circle having the same area as the area of the cross-section.
• the size of the flavor inhalation article 1 in the center line direction can be changed as appropriate to match the size of the product, but is usually 40-100 mm, preferably 50-70 mm.
• the base material part 10 has an aerosol source 11 which generates vapor in which aerosol is generated by being heated, and wrapping paper 12 which covers the outer periphery of the aerosol source 11. Furthermore, the base material part 10 may have a tip member 13 that prevents the aerosol source 11 from falling off from the end surface of the base material part 10 on the first side.
• the base material part 10 is formed in a columnar shape by wrapping the aerosol source 11 and the tip member 13 with the wrapping paper 12.
• the aerosol source 11 may be, for example, a tobacco-derived substance such as tobacco shreds, or a processed product obtained by molding a tobacco raw material into a granular form, a sheet form, or a powder form.
• the aerosol source 11 may also contain a non-tobacco-derived substance produced from a plant other than tobacco (e.g., mint or herb, etc.).
• the aerosol source 11 may contain a fragrance.
• the fragrance is preferably menthol, from the viewpoint of imparting a good flavor. These fragrances may be used alone, or two or more may be used in combination.
• the aerosol source 11 may contain a drug to be inhaled by a patient.
• the aerosol source 11 is not limited to a solid, and may equally be a polyhydric alcohol such as glycerol or propylene glycol, or a liquid such as water, for example.
• a polyhydric alcohol such as glycerol or propylene glycol
• a liquid such as water, for example.
• the base material part 10 obtained by wrapping the aerosol source 11 with the wrapping paper 12 preferably has a columnar shape satisfying a shape in which the aspect ratio as defined by equation 1 is 1 or greater.
• Aspect ratio h / w
• w is the width of the cross-section in the base material part 10
• h is the size in the center line direction of the base material part 10
• h ⁇ w is preferably satisfied.
• the shape of the cross-section is not limited, and may be a polygon, a round polygon, a circle, an oval or the like
• the width w is the diameter when the cross-section is circular, the major axis when the shape is oval, and the diameter of the circumcircle or the major axis of the circumcircle when the shape is a polygon or round polygon.
• the width of the cross-section of the aerosol source 11 constituting the base material part 10 is preferably 4-9 mm.
• the size h in the center line direction of the base material part 10 can be changed as appropriate to match the size of the product, but is usually 8 mm or greater and preferably 10 mm or greater.
• the size h in the center line direction of the base material part 10 is usually 70 mm or less and preferably 30 mm or less.
• the ratio of the size h of the base material part 10 to the size of the flavor inhalation article 1 in the center line direction is usually 10% or greater, preferably 20% or greater, more preferably 25% or greater, and even more preferably 30% or greater.
• the ratio of the size h of the base material part 10 to the size of the flavor inhalation article 1 is usually 80% or less, preferably 70% or less, more preferably 60% or less, even more preferably 50% or less, particularly preferably 45% or less, and most preferably 40% or less.
• the content of the aerosol source 11 in the base material part 10 can be 200-800 mg, preferably 250-600 mg. This range is particularly suitable if the base material part 10 has a circumference of 22 mm and a size of 20 mm in the center line direction.
• the aerosol source 11 containing tobacco shreds will be described.
• material of the tobacco shreds contained in the aerosol source 11 and well-known materials such as lamina and midrib can be used.
• ground tobacco may be formed by grinding dried tobacco leaves to an average particle size of 20 ⁇ m or more and 200 ⁇ m or less, then homogenized and processed into a sheet (also referred to below simply as a "homogenized sheet") which is shredded.
• the aerosol source 11 may be filled with a material obtained by shredding, in the center line direction of the base material part 10 and substantially horizontally, a homogenized sheet having a size similar to that of the base material part 10 in the center line direction, forming what is known as a "strand-type" filling material.
• the width of the tobacco shreds is preferably 0.5 mm or more and 2.0 mm or less in order to fill the aerosol source 11.
• отноеским can be used for the tobacco leaves used in the production of the tobacco shreds and the homogenized sheet.
• examples that may be cited include yellow, Burley, orient, or native type, and other Nicotiana tabacum and Nicotiana rustica varieties, and mixtures thereof.
• a suitable blend of the varieties may be used in a mixture to achieve the intended taste. Details on tobacco varieties are disclosed in " Dictionary of Tobacco, Tobacco Academic Studies Center, March 31, 2009 ".
• There are multiple conventional methods for producing the homogenized sheet that is, methods for grinding tobacco leaves and processing them into a homogenized sheet. According to a first method, a paper sheet is produced using a papermaking process.
• a suitable solvent such as water is mixed with ground tobacco leaves and the mixture is homogenized, after which the homogenized material is thinly cast on a metal plate or a metal plate belt and dried, to produce a cast sheet.
• a suitable solvent such as water is mixed with ground tobacco leaves and the mixture is homogenized, and the homogenized material is then extruded into the form of a sheet and shaped to produce a calendered sheet. Details of types of homogenized sheets are disclosed in " Dictionary of Tobacco, Tobacco Academic Studies Center, March 31, 2009 ".
• An example of the moisture content of the tobacco source 11 can be 10 mass% or more and 15 mass% or less, and preferably 11 mass% or more and 13 mass% or less, with respect to the total mass of the aerosol source.
• a moisture content such as this suppresses formation of wrapping stains and improves rolling suitability when the base material part 10 is produced.
• extracts from various types of natural products and/or components thereof may be selected depending on the purpose of use. Extracts and/or components thereof which may be cited include glycerol, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
• the amount of the extracts and/or components thereof contained in the aerosol source 11 is normally 5 mass% or greater, and preferably 10 mass% or greater, with respect to the total amount of the aerosol source 11, from the point of view of generating sufficient aerosol and imparting a good flavor.
• the content of the extracts and/or components thereof in the aerosol source 11 is normally 50 mass% or less, and preferably 15-25 mass%.
• the fill density of the aerosol source 11 is normally 250 mg/cm 3 or greater and preferably 300 mg/cm 3 or greater, from the point of view of guaranteeing performance of the flavor inhalation article 1 and imparting a good flavor.
• the fill density of the aerosol source 11 is normally 400 mg/cm 3 or less, preferably 350 mg/cm 3 or less.
• the aerosol source 11 may also be comprised of tobacco sheets. There may be one tobacco sheet, or two or more tobacco sheets.
• An example of when the aerosol source 11 comprises one tobacco sheet can be a form of filling in which a tobacco sheet having one side of comparable size with the size in the center line direction of a filled material is folded multiple times parallel to the center line direction of the filled material (forming what is known as a "gathered sheet").
• Another example of the form of filling can be a form in which a tobacco sheet having one side of comparable length with the size in the center line direction of the filled material is wound around a direction orthogonal to the center line direction the filled material.
• An example of when the aerosol source 11 comprises two or more tobacco sheets can be a form of filling in which a plurality of tobacco sheets having one side of comparable length with the size in the center line direction of a filled material are wound in a direction orthogonal to the center line direction of the filled material so as to be arranged concentrically.
• arranged concentrically it is meant that all tobacco sheets are arranged such that the centers are at approximately the same position.
• these tobacco sheets may all have the same composition or physical properties, or some or all of the tobacco sheets may have different compositions or physical properties.
• the tobacco sheets may have the same thickness or different thicknesses.
• each tobacco sheet there is no restriction on the thickness of each tobacco sheet, and the thickness is preferably 150 ⁇ m-1000 ⁇ m, and more preferably 200 ⁇ m-600 ⁇ m, from the point of view of a balance between heat transfer efficiency and strength.
• the aerosol source 11 can be manufactured by preparing a plurality of tobacco sheets having different widths, preparing a laminate in which the width is reduced from the first side toward the second side, and passing this through a rolling tube to roll-up mold the laminate.
• a plurality of tobacco sheets extend in the center line direction and are arranged concentrically about CL.
• the laminate is preferably prepared so that a non-contact portion is formed between adjacent tobacco sheets after the roll-up molding. If there is a non-contact portion (gap) where the tobacco sheets are not in contact between the plurality of tobacco sheets, a flavor flow path can be ensured to increase the delivery efficiency of the flavor component. Meanwhile, heat from the heating units 121 can be transferred to the outside tobacco sheet through the contact portions of the plurality of tobacco sheets, and thus high heat transfer efficiency can be secured.
• Examples of methods for preparing laminates in order to provide a non-contact portion where tobacco sheets are not in contact between the plurality of tobacco sheets can include using an embossed tobacco sheet, laminating the entire surfaces of adjacent tobacco sheets without adhesion, laminating portions of adjacent tobacco sheets by adhesion, or laminating the entire surfaces or portions of adjacent tobacco sheets in a lightly adhered manner such that the sheets peel off after roll-up molding.
• the wrapping paper 12 may be disposed on the end surface on the first side of the laminate.
• the tobacco sheet may be appropriately produced by well-known methods such as sheet-forming, slurry or rolling. Moreover, the homogenized sheet described above may also be used.
• the tobacco sheet may be produced by a method comprising the following steps. 1) Dried tobacco leaf is coarsely ground, extracted with water and then separated into water extract and residue. 2) The water extract is dried under reduced pressure and concentrated. 3) Pulp is added to the residue, the materials are fibrillated in a refiner and then formed into paper. 4) The concentrated water extract is added to a sheet formed from the paper and dried to form a tobacco sheet. In this case, a step of removing some of the components such as nitrosamine may also be added (see JP 2004-510422 A ).
• the tobacco sheet may be produced by a method comprising the following steps. 1) Ground tobacco leaf is mixed with water, pulp, and a binder. 2) The mixture is thinly spread (cast) and dried. In this case, a step may be added where the slurry that has been obtained by mixing the ground tobacco leaf with water, pulp, and a binder is exposed to ultraviolet or X-ray radiation to remove some components such as nitrosamine.
• a nonwoven fabric tobacco sheet produced by means of a method comprising the following steps may also be used, as disclosed in WO 2014/104078 A1 .
• the type of raw tobacco leaves used in each of the above methods can be the same as described in the aerosol source 11 including tobacco shreds.
• the content of tobacco starting material is preferably 50 mass%-95 mass% with respect to the total mass of the tobacco sheet.
• the tobacco sheet may comprise a binder, and examples of such binders which may be cited include: guar gum, xanthan gum, carboxymethylcellulose, and carboxymethylcellulose sodium salt, etc.
• the amount of binder is preferably 1 mass%-10 mass% with respect to the total mass of the tobacco sheet.
• the tobacco sheet may further comprise other additives. Examples of other additives which may be cited include fillers such as pulp.
• the configuration of the wrapping paper 12 used for the base material part 10 is not particularly limited, and can be a general form, an example of which includes those in which pulp is a main component.
• Pulps which may be used include wood pulps such as softwood pulp and hardwood pulp, and additionally, non-wood pulp such as flax pulp, hemp pulp, sisal pulp, and esparto, etc. generally used in wrapping paper for a tobacco article, and the wrapping paper 12 may be obtained by a papermaking process employing one or more of these pulps.
• Types of pulp which may be used include chemical pulp, ground pulp, chemiground pulp, and thermomechanical pulp, etc. which are obtained by means of kraft digestion, acid/neutral/alkaline sulfite digestion, and soda digestion, etc.
• the wrapping paper 12 is produced by using the abovementioned pulp in a paper making process employing a Fourdrinier machine, a cylinder paper machine, or a round-short combination paper machine, etc., then adjusting the texture and homogenizing the resulting paper. It should be noted that, if necessary, a wet strength agent can be added to impart water resistance to the wrapping paper 12, or a sizing agent can be added to adjust a printing condition of the wrapping paper 12.
• an internal additive for papermaking such as sulfate band, various types of anionic, cationic, nonionic, or amphoteric yield-improving agents, drainage-improving agents, and paper strength-enhancing agents, as well as papermaking additives such as dyes, pH modifiers, antifoam agents, pitch control agents, and slime control agents.
• the basis weight of the base paper of the wrapping paper 12 is, for example, usually 20 gsm or greater, preferably 25 gsm or greater. Meanwhile, the basis weight is usually 65 gsm or less, preferably 50 gsm or less, and even more preferably 45 gsm or less.
• the thickness of the wrapping paper 12 is preferably 10 ⁇ m or greater, more preferably 20 ⁇ m or greater, and even more preferably 30 ⁇ m or greater, from the point of view of rigidity, permeability, and ease of adjustment during papermaking.
• the thickness of the wrapping paper 12 is usually 100 ⁇ m or less, preferably 75 ⁇ m or less, and more preferably 50 ⁇ m or less.
• the shape of the wrapping paper 12 may be square or rectangular.
• one side may have a length of about 8-70 mm, the other side may have a length of 15-28 mm, the other side may have a preferred length of 22-24 mm, and a further preferred length of about 23 mm.
• the aerosol source 11 is wrapped in a columnar shape with the wrapping paper 12, for example, by overlapping the end of the wrapping paper 12 and the end of the wrapping paper 12 on the opposite side by about 2 mm and pasting the ends, the shape becomes a cylindrical paper tube shape and the aerosol source 11 is filled therein.
• the size of the rectangular wrapping paper 12 may be determined by the size of the base material part 10.
• the wrapping paper 12 may also comprise a loading material.
• the content of the loading material can be cited as 10 mass% or more and 60 mass% or less, and preferably 15 mass% or more and 45 mass% or less, with respect to the total mass of the wrapping paper 12.
• the content of the loading material is preferably 15-45 mass% in a preferable basis weight range (25-45 sgm).
• the content of the loading material is preferably 15-45 mass%, and when the basis weight is 35-45 gsm, the content of the loading material is preferably 25-45 mass%.
• Calcium carbonate, titanium dioxide, or kaolin, etc. may be used as the loading material, but calcium carbonate is preferably used from the point of view of improving flavor and whiteness, etc.
• the water-resistance improving agent contains a wet-strength agent (WS agent) and a sizing agent.
• the wet strength agent is, for example, a urea formaldehyde resin, a melamine formaldehyde resin, and polyamide epichlorohydrin (PAE), etc.
• PAE polyamide epichlorohydrin
• the sizing agent is, for example, rosin soap, alkyl ketene dimer (AKD), alkenyl succinic anhydride (ASA), and high saponification polyvinyl alcohol having a degree of saponification of 90% or greater, etc.
• the paper strength agent may be added, examples of which include polyacrylamide, cationic starch, oxidized starch, CMC, polyamide epichlorohydrin resin, and polyvinyl alcohol, etc.
• oxidized starch in particular is known to improve air permeability (e.g., see JP 2017-218699 A ).
• a coating agent may be added to at least one of the two surfaces of the wrapping paper 12, namely the front surface and the rear surface.
• the coating agent is preferably a coating agent that is capable of forming a film on the surface of the paper and of reducing liquid permeability.
• Examples may include: alginic acid and salts thereof (e.g., sodium salt), polysaccharides such as pectin, cellulose derivatives such as ethylcellulose, methylcellulose, carboxymethylcellulose, and nitrocellulose, starch and derivatives thereof (e.g., ether derivatives such as carboxymethyl starch, hydroxyalkyl starch, and cationic starch, and ester derivatives such as starch acetate, starch phosphate, and starch octenylsuccinate).
• alginic acid and salts thereof e.g., sodium salt
• polysaccharides such as pectin
• cellulose derivatives such as ethylcellulose, methylcellulose, carboxymethylcellulose, and nitrocellulose
• starch and derivatives thereof e.g., ether derivatives such as carboxymethyl starch, hydroxyalkyl starch, and cationic starch
• ester derivatives such as starch acetate, starch phosphate, and star
• the tipping paper 40 is wrapped around outer peripheral surfaces of the base material part 10, the cooling part 20, and the filter part 30.
• the tipping paper 40 may have a square or rectangular shape, for example.
• the basis weight of the tipping paper 40 is normally 32 gsm-60 gsm, preferably 33 gsm-55 gsm, and more preferably 34 gsm-53 gsm, for example.
• the air permeability of the tipping paper 40 there is no particular restriction on the air permeability of the tipping paper 40, and the air permeability is normally 0 CORESTA units-30,000 CORESTA units, and preferably greater than 0 CORESTA units and no greater than 10,000 CORESTA units.
• the air permeability is a value measured in accordance with ISO 2965:2009, and, when a differential pressure of both surfaces of the paper is 1 kPa, the air permeability is expressed by a flow rate (cm 3 ) of a gas passing through a surface area of 1 cm 2 in 1 minute.
• 1 CORESTA unit (1 C.U.) constitutes cm 3 /(min ⁇ cm 2 ) under 1 kPa.
• the configuration of the tipping paper 40 is not particularly limited, and can be a general form, an example of which includes those in which pulp is a main component.
• Pulps which may be used include wood pulps such as softwood pulp and hardwood pulp, and additionally, non-wood pulp such as flax pulp, hemp pulp, sisal pulp, and esparto, etc. generally used in wrapping paper for a tobacco article, and the wrapping paper may be obtained by a papermaking process employing one or more of these pulps.
• a single type of pulp may be used, or multiple types of pulps may be combined for use in any proportions.
• Forms of pulp which may be used include chemical pulp, ground pulp, chemiground pulp, and thermomechanical pulp, etc. which are obtained by means of kraft digestion, acid/neutral/alkaline sulfite digestion, and soda digestion, etc.
• the tipping paper 40 may be manufactured by the above-described manufacturing method or may be a commercial product.
• the tipping paper 40 may contain a loading material in addition to the above-described materials, examples of which can include metal carbonates such as calcium carbonate and magnesium carbonate, metal oxides such as titanium oxide, titanium dioxide and aluminum oxide, metal sulfates such as barium sulfate and calcium sulfate, metal sulfides such as zinc sulfide, quartz, kaolin, talc, diatomaceous earth, gypsum and the like, and calcium carbonate is preferably included in particular from the viewpoint of improving whiteness and opacity and increasing the heating rate.
• These loading materials may be used alone, or two or more may be used in combination.
• the water-resistance improving agent contains a wet-strength agent (WS agent) and a sizing agent.
• the wet strength agent is, for example, a urea formaldehyde resin, a melamine formaldehyde resin, and polyamide epichlorohydrin (PAE), etc.
• the sizing agent is, for example, rosin soap, alkyl ketene dimer (AKD), alkenyl succinic anhydride (ASA), and high saponification polyvinyl alcohol having a degree of saponification of 90% or greater, etc.
• a coating agent may be added to at least one of the two surfaces of the tipping paper 40, namely the front surface and the rear surface.
• the coating agent is preferably a coating agent that is capable of forming a film on the surface and of reducing liquid permeability.
• a portion of an outer surface of the tipping paper 40 may be coated with a lip-release material.
• a lip-release material means a material configured for assisting in easy separation, substantially without adhesion, of the lips and the tipping paper 40 when the user holds the filter part 30 of the flavor inhalation article 1 in their mouth.
• the lip-release material may comprise ethylcellulose, methylcellulose, nitrocellulose, etc., for example.
• the outer surface of the tipping paper 40 may be coated with a lip-release material by applying an ethylcellulose-based or methylcellulose-based ink to the outer surface of the tipping paper 40.
• the cooling part 20 is disposed adjacent to the base material part 10 and the filter part 30, and is a portion formed such that a cross-section of a cylinder or the like forms a hollow section (cavity) by being wrapped with a sheet 21.
• the cooling part 20 generates aerosol by cooling steam generated by heating the base material part 10.
• the cross-section of the cooling part 20 is substantially circular and the outer diameter thereof can be changed as appropriate to match the size of the product, but the outer diameter is preferably approximately the same as the outer diameter of a filter 31, which will be described later. It should be noted that when the cross-section is not circular, the aforementioned outer diameter is applied assuming a circle having the same area as the area of the cross-section.
• the size of the cooling part 20 in the center line direction can be changed as appropriate to match the size of the product, but is usually 5 mm or greater, preferably 10 mm or greater, and more preferably 15 mm or greater.
• the size in the center line direction of the cooling part 20 is usually 35 mm or less, preferably 30 mm or less, and more preferably 25 mm or less.
• the cooling part 20 is a paper tube molded by being wrapped with a sheet 21 made of paper.
• the cooling part 20 is a paper tube, a so-called spiral paper tube, molded by sticking together a plurality of sheets 21 including at least paper to each other and spirally wrapping the sheets.
• the method of manufacturing the spiral paper tube makes it possible to easily mold a paper tube having a circular cross-section.
• the strength of the cooling part 20 can be improved while suppressing the area of the cooling part 20.
• a new smoking flavor can be imparted to the aerosol by combining a sheet member containing a fragrance component, a flavor component, a pulverized tobacco product, and the like with paper and sticking the members together.
• the cooling part 20 may be a paper tube molded by wrapping paper into a cylindrical shape many times, that is, a so-called straight paper tube.
• the amount of paste used for sticking the paper can be reduced as compared with the manufacturing method of the spiral paper tube.
• the cooling part 20 may be a paper tube formed by laminating a plurality of sheets 21 including at least paper. By laminating the plurality of sheets 21, the strength of the cooling part 20 can be maintained even when the basis weight of each of the sheets 21 is small.
• the thickness of the sheet 21 may be 50 ⁇ m-500 ⁇ m, or may be 100 ⁇ m-250 ⁇ m, for example.
• the material of the sheet 21 is not particularly limited, and for example, the main component may be pulp, or any one among polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, polylactic acid, cellulose acetate, and aluminum foil, or any combination thereof.
• the cooling part 20 was described as a portion molded by wrapping the sheet 21, but this is one example of a cylindrical member formed into a cylindrical shape, and the cooling part is not limited to this configuration as long as the cross-section is hollow.
• the cooling part 20 may be molded, for example, by a tube of a synthetic resin or the like already having a hollow cross-section.
• the cooling part 20 is provided with a plurality of through-holes 60 (also referred to as a "ventilation filter (Vf)" in this technical field) which are in the circumferential direction and concentric.
• the through-holes 60 are holes penetrating the sheet 21. It can be exemplified that the shape of the hole is a polygon, a round polygon, a circle, an oval, or the like.
• the through-hole 60 is present in a region where air can flow from the outside of the flavor inhalation article 1, or in other words, in a region protruding from an opening 142 while the flavor inhalation article 1 is held by the holding portion 140 of the inhalation device 100.
• the concentrations of the inhaled flavor component and aerosol can be adjusted. Further, the presence of the plurality of through-holes 60 allows air to flow into the cooling part 20 from the outside during inhalation, and can lower the temperature of vapor and air flowing in from the base material part 10. Additionally, the positions where the through-holes 60 are provided in the cooling part 20 are within a region of 4 mm or more in a direction toward the cooling part 20 side from a boundary between the cooling part 20 and the filter part 30, thereby not only improving cooling capacity, but also suppressing retention of products (products) generated by heating in the cooling part 20, and improving the delivery amount of the products.
• vapor generated with the aerosol as the condensation nucleus by heating the base material part 10 makes contact with air from outside and decreases in temperature, thereby being liquefied, which can promote the generation of the aerosol.
• the groups of through-holes are preferably not provided in a region lying less than 4 mm in the direction of the cooling part 20 side from the boundary between the cooling part 20 and the filter part 30 from the point of view of increasing the amount of delivery of components generated by means of heating.
• the flavor inhalation article 1 is a form in which the base material part 10, the cooling part 20, and the filter part 30 are wound with the tipping paper 40
• a vent hole is provided at a position immediately above the through-holes 60 provided in the cooling part 20.
• the tipping paper 40 provided with a vent hole overlapping the through-holes 60 may be prepared for wrapping, but, from the point of view of ease of production, the flavor inhalation article 1 is preferably manufactured without the through-holes 60, after which holes simultaneously penetrating the cooling part 20 and the tipping paper 40 are preferably formed.
• the region where the through-hole 60 is present is not particularly limited as long as the region is 4 mm or more in the direction of the cooling part 20 side from the boundary between the cooling part 20 and the filter part 30 from the viewpoint of improving product delivery by heating, but is preferably a region that is 4.5 mm or more, and more preferably 5.5 mm or more, from the viewpoint of further improving product delivery. Furthermore, the region where the through-hole 60 is present is preferably a region lying no more than 15 mm, more preferably a region lying no more than 10 mm, and even more preferably a region lying no more than 7 mm from the boundary between the cooling part 20 and the filter part 30, from the point of view of ensuring a cooling function.
• the region where the through-hole 60 is present is preferably a region lying at least 5 mm, more preferably a region lying at least 10 mm, and even more preferably a region lying at least 13 mm in the direction of the cooling part 20 side from the boundary between the cooling part 20 and the base material part 10, from the point of view of ensuring a cooling function.
• the region where the through-hole 60 is present is preferably no more than 16 mm, more preferably a region lying no more than 15.5 mm, even more preferably a region lying no more than 15 mm, and particularly preferably a region lying no more than 14.5 mm, from the boundary between the cooling part 20 and the base material part 10, from the point of view of improving delivery of components generated by means of heating.
• the through-holes 60 are provided such that the air inflow ratio from the through-holes 60 when the air is inhaled at 17.5 ml/seconds by an automated smoking machine is 10-90% by volume.
• the "air inflow ratio” is the volume ratio of air flowing in from the through-holes 60 when the rate of air inhaled from the suction end is 100% by volume.
• the air inflow ratio is preferably 50-80% by volume, and more preferably 55-75% by volume. This air inflow ratio may be achieved by selecting a number of through-holes 60 per group of through-holes from a range of 5-50, and by selecting the diameter of the through-holes 60 from a range of 0.1-0.5 mm, or by a combination of these selections.
• the air inflow ratio may be measured by a method based on ISO9512, using a wound article measurement machine (e.g., SODIMAX D74/SODIM, produced by S.A.S.).
• a wound article measurement machine e.g., SODIMAX D74/SODIM, produced by S.A.S.
• Fig. 3 is a view showing an example of a configuration of the filter part 30 according to the first embodiment, where (A) is a view showing one example of a cross-section of the I-I section, and (B) is a view showing one example of the cross-section of the II-II section.
• Fig. 4 is a view showing another example of a configuration of the filter part 30 according to the first embodiment, where (A) is a view showing another example of the cross-section of the I-I section, and (B) is a view showing another example of the cross-section of the II-II section.
• the filter part 30 is formed in a columnar shape in which the size in the center line direction is larger than the width of the cross-section. Thus, the filter part 30 is arranged such that the longitudinal direction is the center line direction.
• the filter part 30 has a filter 31 through which an aerosol passes, a low filtration member 33 having a lower filtration rate than the filtration rate of the filter 31, and wrapping paper 35 present between the filter 31 and the tipping paper 40 and wrapped around the outer peripheral surface of the filter 31.
• the filter part 30 is connected (coupled) to the cooling part 20 by integrally wrapping the cooling part 20 and the filter part 30 by using the tipping paper 40. It should be noted that the wrapping paper 35 need not be provided.
• the wrapping paper 35 may include a seam comprising one or more lines of adhesive.
• the adhesive may comprise a hot-melt adhesive, and further, the hot-melt adhesive may comprise polyvinyl alcohol.
• the filter part 30 is composed of two or more members, it is preferable that the wrapping paper is further wrapped together with another wrapping paper after each of the two or more members is wrapped.
• the wrapping paper 35 There is no particular restriction on the material of the wrapping paper 35, and a well-known material may be used, and the wrapping paper may furthermore comprise a filler such as calcium carbonate, etc.
• the thickness of the wrapping paper 35 is normally 20 ⁇ m-140 ⁇ m, preferably 30 ⁇ m-130 ⁇ m, and more preferably 30 ⁇ m-120 ⁇ m.
• the basis weight of the wrapping paper 35 is normally 20 gsm-100 gsm, preferably 22 gsm-95 gsm, and more preferably 23 gsm-90 gsm.
• the air permeability of the wrapping paper 35 there is no particular restriction on the air permeability of the wrapping paper 35, and it is normally 0 CORESTA units-30,000 CORESTA units, and preferably greater than 0 CORESTA units and no greater than 10,000 CORESTA units.
• the wrapping paper 35 may be coated or uncoated, but is preferably coated with a desired material from the point of view of enabling functions other than strength and structural rigidity to be imparted.
• the cross-section of the filter 31 of the filter part 30 is substantially circular and the outer diameter thereof can be changed as appropriate to match the size of the product, but an example of the outer diameter includes 22-25 mm. It should be noted that when the cross-section is not circular, the aforementioned outer diameter is applied assuming a circle having the same area as the area of the cross-section.
• the size of the cooling part 30 in the center line direction can be changed as appropriate to match the size of the product, but is usually 5.0-30.0 mm, preferably 12.5-27.5 mm, and more preferably 15.0-25.0 mm.
• airflow resistance per size of 10 mm in the center line direction of the filter part 30 is usually 0-100 mmH 2 O, preferably 10-80 mmH 2 O, and more preferably 10-50 mmH 2 O.
• the airflow resistance is measured by using a filter airflow resistance measurement instrument produced by Cerulean, for example, in accordance with the ISO standard method (ISO6565).
• the airflow resistance of the filter part 30 denotes an air pressure difference between a first side face and a second side when air at a predetermined air flow rate (17.5 cc/min) flows from the first side to the second side in a state in which air does not pass through the side face of the filter part 30.
• the units are generally expressed in mmH 2 O.
• the filter 31 is a paper filter molded by filling a sheet member and in which a channel through which an aerosol can pass is formed.
• the filter 31 is a paper filter molded by filling a sheet member so as to ensure a passage path for the aerosol extending in the center line direction.
• the fill density of the sheet member constituting the filter 31 is usually 90-720 g/cm 3 .
• the fill density of the sheet member in the region where the low filtration member 33 is not disposed is preferably 90-360 g/cm 3 , and more preferably 150-240 g/cm 3 .
• the fill density of the sheet member in the region where the low filtration member 33 is disposed is preferably 105-720 g/cm 3 , and more preferably 170-480 g/cm 3 .
• the material of the sheet member constituting the filter 31 there is no particular restriction on the material of the sheet member constituting the filter 31 as long as it is possible to achieve the general function of a filter, but it is preferable that the material be paper such as pulp paper having pulp as a main component, or a nonwoven fabric, and more preferably paper. Alternatively, a polymer sheet, a metal sheet, or the like may be used as the material of the sheet member constituting the filter 31. It should be noted that general functions of the filter which may be cited include adjusting the amount of air which is mixed when the aerosol, etc. is inhaled, lightening the flavor, and lightening nicotine and tar, etc., but not all of these functions need to be provided.
• an important function of the filter also lies in preventing the member contained in the flavor inhalation article 1 from falling out, while controlling a filtration function.
• the filter 31 is formed of a sheet member that is folded or wrinkled, gathered, or the like, and is filled so as to secure a passage path for the aerosol extending in the center line direction.
• the filter 31 is a paper filter filled with a sheet member such that a gap is formed over the longitudinal direction of the filter part 30, and the sheet member is gathered.
• gathered means that the sheet member is filled in a state folded back a plurality of times horizontally to the center line direction of the filter 31.
• the sheet member constituting the filter 31 may be one sheet or two or more sheets. Furthermore, there need not be folding or folds, as long as a passage path for the aerosol extending in the center line direction is ensured.
• the filter 31 may be a paper filter filled with strip-shaped sheet members as shown in fig. 4(A) .
• the low filtration member 33 is disposed in the filter 31 and has a more suppressed filtration function for the aerosol passing therethrough than the filter 31.
• the low filtration member 33 may be one, or two or more in number. Specifically, one low filtration member 33 may be disposed within the filter 31, as shown in fig. 3(B) , or a plurality of low filtration members 33 may be disposed within the filter 31, as shown in fig. 4(B) .
• the shape of the outer periphery of the low filtration member 33 in the cross-section can be changed as appropriate to match the shape of the product, but may be for example, a circle, an oval, a polygon, or a round polygon.
• the ratio of the area of the low filtration member 33 to the area of the filter part 30 is not particularly limited, but may be 15-50%, or example, and preferably 20-40%. Note that, in the case where a plurality of low filtration members 33 are disposed in the filter 31, it is preferable that the ratio of the total area of the plurality of low filtration members 33 to the area of the filter part 30 in one cross-section is within the above range.
• the outer diameter thereof can be changed as appropriate to match the size of the product, but outer diameter is usually 6-15 mm, and preferably 9-11 mm.
• the ratio of the outer diameter of the low filtration member 33 to the outer diameter of the filter 31 is usually 0.20 or more but less than 0.70, and preferably 0.35-0.50. It should be noted that when the cross-section is not circular, the aforementioned outer diameter is applied assuming a circle having the same area as the area of the cross-section.
• the size of the low filtration member 33 in the center line direction can be changed as appropriate in accordance with the size of the product, but the size is preferably not larger than the size of the filter 31 in the center line direction. In other words, it is preferable that the length of the low filtration member 33 along the longitudinal direction of the filter part 30 is not longer than the length of the filter 31 along the longitudinal direction of the filter part 30.
• the difference between the size of the low filtration member 33 in the center line direction and the size of the filter 31 in the center line direction is preferably 2 mm or more.
• the low filtration member 33 does not protrude from at least one end surface of the filter 31, and can have an appearance similar to that of the end surface of the filter 31 used for the flavor inhalation article without the low filtration member 33.
• the low filtration member 33 can be made invisible from at least one end of the filter 31.
• the low filtration member 33 is preferably a hollow member having a hollow cross-section, and has at least one end opened in the center line direction, and more preferably a hollow member having both ends opened in the center line direction.
• a filtration function for the passing aerosol is suppressed, and delivery efficiency of smoking flavor can be improved.
• a filtration function for the passing aerosol is suppressed and delivery efficiency of smoking flavor can be improved as compared with a member with one end closed in the center line direction.
• the filtration rate lower than the filtration rate of the filter 31 also includes a filtration rate of "0%".
• the low filtration member 33 is a tube molded such that a cross-section of a cylinder or the like forms a hollow section by being wrapped with a sheet member that contains the same material as the sheet member constituting the filter 31.
• the low filtration member 33 is a paper tube molded by being wrapped with paper.
• the low filtration member 33 is a paper tube, a so-called spiral paper tube, molded by sticking together a plurality of sheet members including at least paper to each other and spirally wrapping the sheets.
• the method of manufacturing the spiral paper tube makes it possible to easily mold a paper tube having a circular cross-section.
• the strength of the low filtration member 33 can be improved while suppressing the ratio of the area of the low filtration member 33 to the area of the filter part 30.
• a new smoking flavor can be imparted to the aerosol by combining a sheet member containing a fragrance component, a flavor component, a pulverized tobacco product, and the like with paper and sticking the members together.
• the low filtration member 33 may be a paper tube molded by wrapping paper into a cylindrical shape many times, that is, a so-called straight paper tube.
• the amount of paste used for sticking the paper can be reduced as compared with the manufacturing method of the spiral paper tube.
• the low filtration member 33 may be a paper tube molded by laminating a plurality of sheet members including at least paper. By laminating the plurality of sheet members, the strength of the low filtration member 33 can be maintained even when the basis weight of each of the sheet members is small.
• the low filtration member 33 is not limited to a paper tube molded by being wrapped with paper, but may be formed of a tube of a synthetic resin or the like having a hollow cross-section.
• the thickness of the tube is not particularly limited, and is usually 50-500 ⁇ m, preferably 100-250 ⁇ m.
• the total thickness of the overlapped sheet members may be within the above range.
• the low filtration member 33 was described as a hollow member having a hollow cross-section, the configuration thereof is not limited to this configuration, as long as the filtration rate is lower than the filtration rate of the filter 31.
• the low filtration member 33 may be molded of a solid member having a solid cross-section, such as cellulose acetate fibers having a lower filtration rate than paper, for example.
• the shape of the end portion in the center line direction of the low filtration member 33 is a flat surface in the example shown in fig. 1 , but the shape is not limited to this, and need not be a flat surface.
• Fig. 5 is a view showing another example of the longitudinal cross-section of the flavor inhalation article 1 according to the first embodiment, where (A) is a view showing a low filtration member having a sharp second side, and (B) is a view showing the longitudinal cross-section of the flavor inhalation article in which a low filtration member having a width that decreases from a first side toward the second side is disposed.
• the shape of the end portion of the low filtration member 33 in the center line direction may be such that the end surface of the low filtration member 33 on the first side is a flat surface and the end surface of the low filtration member 33 on the second side is sharp, as shown in fig. 5(A) .
• the width of the low filtration member 33 in the second side region may be relatively smaller than in the first side region.
• Fig. 6 is a view showing another example of the longitudinal cross-section of the flavor inhalation article 1 according to the first embodiment, where (A) is a view showing a state in which the low filtration member 33 is positioned on the second side in the filter 31, and (B) is a view showing a state in which the low filtration member 33 is positioned near the center in the filter 31.
• Fig. 7 is a view showing another example of the longitudinal cross-section of the flavor inhalation article 1 according to the first embodiment, where (A) is a view showing a state in which a low filtration member 33 having the same size in the center line direction as the filter 31 is positioned in the filter 31, and (B) is a view showing a state in which a plurality of low filtration members 33 are positioned in the filter 31.
• the low filtration member 33 is arranged such that the low filtration member 33 does not protrude from the end surface of the filter 31 on the second side.
• the low filtration member 33 smaller than the size of the filter 31 in the center line direction is positioned on the first side (base material part 10 side) in the filter 31. Specifically, the low filtration member 33 is disposed in a region on the upstream side in the filter 31. By the low filtration member 33 being disposed on the first side (base material part 10 side) in the filter 31, the low filtration member 33 can be prevented from being seen from the end surface of the filter 31 on the second side.
• the low filtration member 33 smaller than the size of the filter 31 in the center line direction is positioned on the second side (downstream side) in the filter 31. Specifically, the low filtration member 33 is disposed in a region on the second side in the filter 31. The low filtration member 33 is disposed in the region on the second side (suction end) in the filter 31, thereby increasing the strength of the region of the mouthpiece segment 50 that the user holds in their mouth.
• the end surface of the low filtration member 33 on the second side is positioned on the end surface of the filter 31 on the second side in the example shown in fig. 6(A) , but is not limited to this, and the positions of both end surfaces need not match each other.
• the end surface of the low filtration member 33 on the second side may be separated from the end surface of the filter 31 on the second side by 2 mm or more.
• the arrangement of the low filtration member 33 smaller than the size of the filter 31 in the center line direction is not limited to the first side region or the second side region in the filter 31.
• the low filtration member 33 smaller than the size of the filter 31 in the center line direction is positioned near the center in the filter 31 in the center line direction. Specifically, the low filtration member 33 is disposed in a region near the center in the filter 31 in the center line direction. The low filtration member 33 being disposed in the region near the center in the filter 31 makes it possible to increase the strength of the region corresponding to the teeth of the user when the mouthpiece segment 50 is bitten.
• the low filtration member 33 is not limited to the aforementioned configuration, as long as the low filtration member 33 is arranged so as not to protrude from the end surface of the filter 31 on the second side.
• the low filtration member 33 having the same size in the center line direction as the filter 31 may be disposed in the filter 31.
• the arrangement of the low filtration members 33 is not limited to the same region in the center line direction such as shown in fig. 4(B) .
• the low filtration member 33 may be disposed in a plurality of regions in the filter 31.
• the filtration rate of the aerosol by the filter part 30 can be reduced while increasing the strength of the mouthpiece segment 50.
• the flavor inhalation article 1 includes a base material part 10 including at least an aerosol source 11, a cooling part 20 for cooling vapor generated by heating the base material part 10 to generate aerosol, a filter part 30 through which the aerosol passes, and tipping paper 40 wrapped around the outer peripheral surfaces of the base material part 10, the cooling part 20, and the filter part 30.
• the filter part 30 includes the filter 31, which is a paper filter filled with a sheet member, and the low filtration member 33, which is a member disposed on the filter 31 and has a lower filtration rate than the filtration rate of the filter 31. Note that the flavor inhalation article 1 need not have the cooling part 20 from the viewpoint of making the size more compact in the center line direction.
• Fig. 8 is a view showing a longitudinal cross-section of a flavor inhalation article 2 according to the second embodiment, where (A) is a view showing a state in which the low filtration member 33 is positioned on the first side in the filter 31, and (B) is a view showing a state in which the low filtration member 33 is positioned on the second side in the filter 31.
• the flavor inhalation article 2 according to the second embodiment differs from the flavor inhalation article 1 according to the first embodiment in a filter part 230 corresponding to the filter part 30.
• the differences from the first embodiment will be described below.
• the same reference signs are used for the same components, and detailed description thereof is omitted.
• the filter part 230 has a filter 31 which is a paper filter, a separate filter 32 which is an independent filter separate from the filter 31, a low filtration member 33 having a lower filtration rate than the filtration rate of the filter 31, and wrapping paper 35 present between the filter 31 and the tipping paper 40 and wrapped around the outer peripheral surface of the filter 31.
• the filter part 230 is connected (coupled) to the cooling part 20 by integrally wrapping the cooling part 20 and the filter part 230 by using the tipping paper 40. It is preferable that the filter 31 and the separate filter 32 are each wrapped by separate wrapping paper 35 and then wrapped together by further separate wrapping paper 35.
• the cross-section of the separate filter 32 of the filter part 230 is substantially circular and the outer diameter thereof can be changed as appropriate to match the size of the product, but an example of the outer diameter includes 22-27 mm. It should be noted that when the cross-section is not circular, the aforementioned outer diameter is applied assuming a circle having the same area as the area of the cross-section.
• the air resistance and the size in the center line direction of the filter part 230 are the same as the air resistance and the size in the center line direction of the filter part 30.
• the shape and dimensions of the filter 31 and the separate filter 32 may be suitably adjusted such that the shape and dimensions of the filter part 230 are in the range above.
• the separate filter 32 is not particularly limited as long as the separate filter includes a filter material and has a general function of a filter.
• General functions of the filter which may be cited include adjusting the amount of air which is mixed when the aerosol, etc. is inhaled, lightening the flavor, and lightening nicotine and tar, etc., but not all of these functions need to be provided.
• an important function of the filter also lies in preventing the aerosol source 11 from falling out, while controlling a filtration function.
• the separate filter 32 may have a lower filtration rate than the filter 31 and a higher hardness than the filter 31.
• the filter material constituting the separate filter 32 is, for example, formed by molding a filler such as cellulose acetate fiber, nonwoven fabric, and pulp paper into a columnar shape. Further, a paper filter filled with sheet-like pulp paper may be used.
• a filler such as cellulose acetate fiber, nonwoven fabric, and pulp paper into a columnar shape.
• a paper filter filled with sheet-like pulp paper may be used.
• activated carbon, sepiolite, palygorskite, zeolite, activated carbon fiber, activated alumina, sepiolite mixed paper, silica gel, inorganic adsorbents such as activated white earth, vermiculite, and diatomaceous earth, pulp, various fibers a polymer porous body such as an ion exchange resin can be used.
• the fill density of the filter material constituting the separate filter 32 is usually 90-360 mg/cm 3 , preferably 150-240 mg/cm 3 .
• the filter part 230 has a separate filter 32 connected to the second side of the cooling part 20 and a filter 31 positioned on the second side of the separate filter 32.
• the separate filter 32 is positioned on the upstream side and the filter 31 is positioned on the downstream side.
• a low filtration member 33 smaller than the size in the center line direction of the filter 31 is arranged on the first side (base material part 10 side) in the filter 31. Specifically, the low filtration member 33 is disposed in a region on the upstream side in the filter 31.
• a low filtration member 33 smaller in the center line direction than the size of the filter 31 may be disposed on the second side (downstream side) of the filter 31.
• the low filtration member 33 may be disposed in a region on the second side in the filter 31.
• the end surface of the low filtration member 33 on the second side is preferably separated from the end surface of the filter 31 on the second side by 2 mm or more.
• the configuration of the filter part 230 is not limited to the example shown in fig. 8(A) and (B) , and the positional relationship between the filter 31 and the separate filter 32 may be changed.
• Fig. 9 is a view showing another example of the longitudinal cross-section of the flavor inhalation article 2 according to the second embodiment, where (A) is a view showing a state in which the low filtration member 33 is positioned on the first side in the filter 31, and (B) is a view showing a state in which the low filtration member 33 is positioned on the second side in the filter 31.
• the filter part 230 has a filter 31 connected to the second side of the cooling part 20 and a separate filter 32 positioned on the second side of the filter 31.
• the filter 31 may be positioned on the upstream side and the separate filter 32 may be positioned on the downstream side.
• the low filtration member 33 smaller than the size of the filter 31 in the center line direction may be disposed on the first side (base material part 10 side) in the filter 31, as shown in fig. 9(A) , and may be disposed on the second side (downstream side) in the filter 31, as shown in fig. 9(B) . Specifically, the low filtration member 33 may be disposed in a region on the second side in the filter 31.
• the filter part 230 of the flavor inhalation article 2 includes the filter 31 which is a paper filter, the separate filter 32 which is an independent filter separate from the filter 31, and the low filtration member 33 having a lower filtration rate than the filtration rate of the filter 31.
• the presence of the separate filter 32 in addition to the filter 31 can diversify the filtering function of the filter part 230.
• the low filtration member 33 is present in the filter 31 having a hardness lower than that of the separate filter 32, thereby increasing the strength of a region that a user holds in their mouth.
• the filter part 230 has a dual structure including the separate filter 32 in addition to the filter 31 which is a paper filter, but is not limited to this.
• the filter part 230 may have two or more types of filters in addition to the filter 31 which is a paper filter.
• Fig. 10 is a view showing a longitudinal cross-section of a flavor inhalation article 3 according to a third embodiment, where (A) is a view showing a state in which a low filtration member 33 is positioned on a first side of an aerosol modifier 34, and (B) is a view showing a state in which a low filtration member 33 is positioned on a second side of the aerosol modifier 34.
• the flavor inhalation article 3 according to the third embodiment differs from the flavor inhalation article 1 according to the first embodiment in a filter part 330 corresponding to the filter part 30.
• the differences from the first embodiment will be described below.
• the same reference signs are used for the same components, and detailed description thereof is omitted.
• the filter part 330 has a filter 31 which is a paper filter, a low filtration member 33 having a lower filtration rate than the filtration rate of the filter 31, an aerosol modifier 34 that modifies the aerosol, and wrapping paper 35 present between the filter 31 and the tipping paper 40 and wrapped around the outer peripheral surface of the filter 31.
• the filter part 330 is connected (coupled) to the cooling part 20 by integrally wrapping the cooling part 20 and the filter part 330 by using the tipping paper 40. It should be noted that the wrapping paper 35 need not be provided.
• the aerosol modifier 34 is disposed inside the filter part 330.
• the position of the aerosol modifier 34 in the longitudinal cross-section of the filter part 330 is not particularly limited, but it is preferable that the aerosol modifier is arranged linearly with the low filtration member 33 in the center line direction. In other words, the aerosol modifier 34 is preferably arranged linearly in the longitudinal direction of the low filtration member 33 and the filter part 330.
• the aerosol modifier 34 is preferably disposed at a position corresponding to the low filtration member 33, such as a position where the aerosol that has passed through the low filtration member 33 passes, or a position where the aerosol that has hit the aerosol modifier 34 passes through the low filtration member 33.
• the aerosol modifier 34 being disposed at a position corresponding to the low filtration member 33 allows delivery efficiency of the modified aerosol to be improved.
• the filter part 330 has an aerosol modifier 34 disposed linearly with the low filtration member 33 in the center line direction, on the second side (downstream side) of the low filtration member 33.
• the aerosol modifier 34 is arranged linearly in the longitudinal direction of the filter part 330 on the second side (suction port end side) relative to the low filtration member 33, thereby making it possible for the aerosol that has passed through the low filtration member 33 to be efficiently brought into contact with the aerosol modifier 34 during inhalation. Furthermore, the aerosol being efficiently brought into contact with the aerosol modifier 34 can improve the aerosol modifying effect.
• the filter part 330 may have the aerosol modifier 34 disposed linearly with the low filtration member 33 in the center line direction, on the first side (upstream side) of the low filtration member 33.
• the aerosol modifier 34 being arranged linearly in the longitudinal direction of the filter part 330 on the first side (base material part 10 side) relative to the low filtration member 33 makes it possible for the modified aerosol to be passed through the low filtration member 33 during inhalation.
• the aerosol before being sufficiently filtered can be brought into contact with the aerosol modifier 34 to improve the aerosol modifying effect.
• the aerosol modifier 34 is a destructive capsule from which a content liquid containing a fragrance component is released by applying an external force.
• the aerosol modifier 34 is preferably embedded in a position where the contents do not leak out of the first side end surface and second side end surface of the filter 31. In other words, the aerosol modifier 34 is preferably disposed at a position where the diffusion of the contents is stored within the filter part 330.
• the aerosol modifier 34 includes contents containing at least one of a taste component and a fragrance component, and a capsule body holding the contents.
• the aerosol modifier 34 is crushed by the user to destroy the capsule body and release the contents therein. Crushing is, for example, pressing the wrapping paper 35 and the tipping paper 40 with the thumb and the index finger to press the aerosol modifier 34, which is a destructive capsule.
• the taste component examples include citric acid, tartaric acid, sodium glutamate, neotame, thaumatin, stevia, sorbitol, xylitol, erythritol, aspartame, rutin, hesperidin, oxalic acid, tannic acid, catechin, naringin, quinine, quinic acid, limonin, caffeine, capsaicin, vitamins, amino acids, polyphenols, alginic acid, flavonoids, lecithin, etc.
• the taste component is preferably liquid or substantially soluble in the oral cavity.
• fragrance component there is no particular limitation as to the type of fragrance component, and powdered fragrance, oil-based fragrance, etc. may be cited as examples thereof.
• main powdered fragrance include powdered forms of chamomile, fenugreek, menthol, peppermint, cinnamon, herbs, etc.
• main oil-based fragrance examples include lavender, cinnamon, cardamom, celery, clove, cascarilla, nutmeg, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon, orange, peppermint, cassia bark, caraway, cognac, jasmine, chamomile, menthol, cassia, ylang-ylang, sage, spearmint, fennel, pimento, ginger, anise, coriander, coffee, tobacco, etc.
• the fragrance component may be used alone, or two or more may be used in combination. When powder fragrance is used, the particle diameter is preferably 500 ⁇ m or less.
• the fragrance component is preferably liquid or substantially soluble in the oral cavity.
• the contents may contain a colorant such as a synthetic colorant or a natural colorant in addition to at least one of the taste component and the fragrance component.
• a colorant such as a synthetic colorant or a natural colorant in addition to at least one of the taste component and the fragrance component.
• the colorant is preferably a food additive such as Red No. 3, 106, beta carotene, copper chlorophyllin, Gardenia blue pigment, Yellow No. 4, etc.
• the contents may further contain a solvent that dissolves the taste component, fragrance component, and colorant.
• a solvent that dissolves the taste component, fragrance component, and colorant.
• the solvent can include, for example, medium chain fatty acid triglycerides, glycerol, propylene glycol, water, ethanol, etc.
• the viscosity of the contents is 20 MPa • s or greater, preferably 30 MPa • s or greater, in order to permeate the filter 31 and the wrapping paper 35. Furthermore, the viscosity of the content is 120 MPa • s or less, and preferably 90 MPa • s or less.
• the viscosity of the contents being the aforementioned lower limit or above makes it possible for the contents to spread into the flavor inhalation article 3 and can impart a new smoking flavor to the aerosol.
• the viscosity of the contents being the aforementioned upper limit or lower makes it possible to prevent the speed at which the contents permeate into the filter 31 and the wrapping paper 35 from being too fast, and the permeated contents bleeding out to the outside of the flavor inhalation article 3 when using the flavor inhalation article 3.
• the liquid amount of the contents per area of the cross-section of the filter 31 is less than 0.2 ⁇ l/mm 2 , there is a risk that the filter 31 will not be sufficiently permeated.
• the liquid amount of the contents per area of the cross-section of the filter 231 is greater than 2.2 ⁇ l/mm 2 , there is a risk that the contents will arrive at the end surface of the flavor inhalation article 3 on the second side and attach to the user. Therefore, the liquid amount of the content per area of the cross-section of the filter 31 is 0.2-2.2 ⁇ l/mm 2 , preferably 0.3-0.7 ⁇ l/mm 2 .
• the material of the capsule body examples include starch, dextrin, polysaccharides, agar, gellan gum, gelatin, polyvinyl chloride, polyvinylidene chloride, polystyrene, styrene-acrylonitrile copolymer, styrene-butadiene-acrylonitrile copolymer, polyethylene, polypropylene, cellulose acetate, polyethylene terephthalate, polyamide, ethylene-acrylic acid plastics, ethylene-vinyl acetate plastics, ethylene-vinyl alcohol plastics, various natural gelling agents, etc.
• the capsule body may contain, in addition to the above material, a fragrance component, a plasticizer, a colorant, etc.
• the shape thereof is not particularly limited, and may be a spherical shape, a columnar shape, a truncated cone shape, etc.
• the destructive capsule include a spherical shape having a diameter of 2.5-4.0 mm, and a columnar shape having a size in the center line direction of 5-10 mm and a diameter of 5-7 mm.
• the destructive capsules preferably have a diameter of 3.5 mm or lower.
• the manufacturing method for the destructive capsule is not particularly limited, but it is preferred to use a drip method that can make destructive capsules with seamless capsule bodies without seams, for example.
• the aerosol modifier 34 was described as a destructive capsule from which contents containing a fragrance component are released by applying an external force, but the aerosol modifier is not limited to this, as long as the aerosol modifier modifies the aerosol.
• the aerosol modifier 34 may be an adsorbent having a function of adsorbing and removing a substance generated by heating the base material part 10.
• the adsorbent is not particularly limited, and includes can include activated carbon, sepiolite, parlygorskite, zeolite, activated carbon fiber, activated alumina, sepiolite mixed paper, silica gel, activated white earth, vermiculite, diatomaceous earth, an ion exchange resin, etc.
• a granular adsorbent may be added to the filter 31, and an adsorbent granulated into a spherical shape having a diameter of 2.5-4.0 mm, for example, may be disposed on the filter 31.
• the aerosol modifier 34 may be a fragrance carrier from which a fragrance component is released upon application of moisture or heat.
• the fragrance carrier is not particularly limited, and examples can include a carrier carrying a fragrance component on a support such as dextrins and cyclodextrins.
• a sheet-shaped fragrance carrier may be disposed on the filter, or a fragrance carrier granulated into a spherical shape having a diameter of 2.5-4.0 mm, for example, may be disposed on the filter 31.
• the filter part 330 of the flavor inhalation article 3 includes the filter 31 which is a paper filter, the low filtration member 33 having a lower filtration rate than the filtration rate of the filter 31, and an aerosol modifier 34 that modifies the aerosol.
• the aerosol modifier 34 is a destructive capsule from which a content liquid containing a fragrance component is released by applying an external force, thereby making it possible to impart a new smoking flavor to the aerosol.
• Fig. 11 is a view showing a longitudinal cross-section of a flavor inhalation article 4 according to a fourth embodiment.
• the flavor inhalation article 4 according to the fourth embodiment differs from the flavor inhalation article 1 according to the first embodiment in the usage thereof.
• the flavor inhalation article 4 according to the fourth embodiment differs from the flavor inhalation article 1 according to the first embodiment in a mouthpiece part 450 corresponding to the mouthpiece segment 50, and a communication hole 460 corresponding to the through-hole 60.
• the differences from the first embodiment will be described below.
• the same reference signs are used for the same components, and detailed description thereof is omitted.
• the flavor inhalation article 4 is a burn type flavor inhalation article.
• the flavor inhalation article is used by burning the end surface on the first side opposite to the second side, the second side being the end side where the user holds the article in their mouth for inhalation.
• the aerosol source 11 included in the base material part 10 generates vapor in which aerosol is generated by heating accompanying the burning.
• the cross-section of the flavor inhalation article 4 is substantially circular and the outer diameter thereof can be changed as appropriate to match the size of the product, but the outer diameter is usually 16-27 mm, preferably 22-25 mm. It should be noted that when the cross-section is not circular, the aforementioned outer diameter is applied assuming a circle having the same area as the area of the cross-section.
• the size of the flavor inhalation article 4 in the center line direction can be changed as appropriate to match the size of the product, but is usually 60-120 mm, preferably 80-100 mm.
• the mouthpiece part 450 is composed of the filter part 30.
• the size of the mouthpiece part 450 in the center line direction can be changed as appropriate to match the size of the product, but is usually 20-40 mm, preferably 25-30 mm.
• the mouthpiece part 450 is provided with a plurality of communication holes 460 in the circumferential direction and concentrically.
• the communication hole 460 is a hole for communicating air flowing in from a vent hole provided in the tipping paper 40 with a gap in the filter 31.
• the filter part 30 of the mouthpiece part 450 is a form in which the filter 31 is wrapped with the wrapping paper 35 and the tipping paper 40
• at least the wrapping paper 35 is provided with the communication hole 460 at a position corresponding to the vent hole provided in the tipping paper 40.
• the tipping paper 40 may be wrapped such that the communication hole 460 and the vent hole provided in the tipping paper 40 overlap, but, from the point of view of ease of production, it is preferable that a flavor inhalation article 4 not having the communication hole 460 is fabricated, after which holes are simultaneously formed in the mouthpiece part 450 and the tipping paper 40.
• the region where the communication hole 460 is present is preferably a region of the filter 31 where the fill density of the sheet member constituting the filter 31 is relatively low, or in other words, a region of the filter 31 where the low filtration member 33 is not disposed, from the viewpoint of improving the efficiency of air inflow.
• the low filtration member 33 smaller than the size in the center line direction of the filter 31 is positioned on the first side (base material part 10 side) in the filter 31, and the communication hole 460 is provided in a region of the filter 31 where the low filtration member 33 is not disposed. Specifically, the communication hole 460 is provided in a region on the downstream side of the low filtration member 33.
• the communication hole 460 is not limited to the above-described configuration, as long as the communication hole is provided in a region of the filter 31 where the low filtration member 33 is not disposed.
• Fig. 12 is a view showing another example of the longitudinal cross-section of the flavor inhalation article 4 according to the fourth embodiment, where (A) is a view showing a state in which the low filtration member 33 is positioned on the second side in the filter 31, (B) is a view showing a state in which the low filtration member 33 is positioned near the center in the filter 31, and (C) is a view showing a state in which a plurality of low filtration members 33 are positioned in the filter 31.
• the communication hole 460 may be provided in a region on the upstream side with respect to the low filtration member 33, as shown in fig. 12(A) .
• the communication hole 460 may be provided in the region on the upstream side with respect to the low filtration member 33, as shown in fig. 12(B) . Note that the communication hole 460 may be provided in a region on the downstream side of the low filtration member 33.
• the communication hole 460 may be disposed in a region of the filter 31 where the low filtration member 33 is not disposed, as shown in fig. 12(C) .
• the communication hole 460 may be provided in any region on the upstream side, the center side, and the downstream side, as long as the low filtration member 33 is not disposed in said region.
• the flavor inhalation article 4 includes the base material part 10 including at least the aerosol source 11, the filter part 30 through which the aerosol passes, and the tipping paper 40 wrapped around the base material part 10 and the filter part 30.
• the filter part 30 includes the filter 31, which is a paper filter filled with a sheet member, and the low filtration member 33, which is a member disposed on the filter 31 and has a lower filtration rate than the filtration rate of the filter 31.
• Fig. 13 is a view showing a longitudinal cross-section of a flavor inhalation article 5 according to the fifth embodiment, where (A) is a view showing a state in which the low filtration member 33 is positioned on the first side in the filter 31, and (B) is a view showing a state in which the low filtration member 33 is positioned on the second side in the filter 31.
• the flavor inhalation article 5 according to the fifth embodiment differs from the flavor inhalation article 4 according to the first embodiment in a filter part 530 corresponding to the filter part 30.
• the differences from the fourth embodiment will be described below.
• the same reference signs are used for the same components, and detailed description thereof is omitted.
• the filter part 530 has a filter 31 which is a paper filter, a separate filter 32 which is an independent filter separate from the filter 31, a low filtration member 33 having a lower filtration rate than the filtration rate of the filter 31, and wrapping paper 35 present between the filter 31 and the tipping paper 40 and wrapped around the outer peripheral surface of the filter 31.
• the filter part 530 is connected (coupled) to the cooling part 10 by integrally wrapping the base material part 10 and the filter part 230 by using the tipping paper 40. It is preferable that the filter 31 and the separate filter 32 are each wrapped by separate wrapping paper 35 and then wrapped together by further separate wrapping paper 35.
• the configuration of the separate filter 32 of the filter part 530 is the same as that of the separate filter 32 included in the filter part 230 according to the second embodiment.
• the shape and dimensions of the filter 31 and the separate filter 32 may be suitably adjusted such that the shape and dimensions of the filter part 530 are in the range above.
• the filter part 530 has a separate filter 32 connected to the second side of the base material part 10 and a filter 31 positioned on the second side of the separate filter 32.
• the separate filter 32 is positioned on the upstream side
• the filter 31 is positioned on the downstream side.
• the low filtration member 33 smaller in the center line direction than the size of the filter 31 may be disposed on the first side (upstream side) of the filter 31, and the vent hole 460 may be provided in a region on the downstream side with respect to the low filtration member 33. Furthermore, as shown in fig.
• a low filtration member 33 smaller in the center line direction than the size of the filter 31 may be disposed on the second side (downstream side) of the filter 31, and the vent hole 460 may be provided in a region on the upstream side with respect to the low filtration member 33.
• the configuration of the filter part 530 is not limited to the example shown in fig. 13(A) and (B) , and the positional relationship between the filter 31 and the separate filter 32 may be changed.
• Fig. 14 is a view showing a longitudinal cross-section of a flavor inhalation article 5 according to the fifth embodiment, where (A) is a view showing a state in which the low filtration member 33 is positioned on the first side in the filter 31, and (B) is a view showing a state in which the low filtration member 33 is positioned on the second side in the filter 31.
• the filter part 530 has a filter 31 connected to the second side of the base material part 10 and a separate filter 32 positioned on the second side of the filter 31.
• the filter 31 is positioned on the upstream side
• the separate filter 32 is positioned on the downstream side.
• the low filtration member 33 smaller in the center line direction than the size of the filter 31 may be disposed on the first side (upstream side) of the filter 31, and the vent hole 460 may be provided in a region on the downstream side with respect to the low filtration member 33. Furthermore, as shown in fig.
• a low filtration member 33 smaller in the center line direction than the size of the filter 31 may be disposed on the second side (downstream side) of the filter 31, and the vent hole 460 may be provided in a region on the upstream side with respect to the low filtration member 33.
• the filter part 530 of the flavor inhalation article 5 includes the filter 31 which is a paper filter, the separate filter 32 which is an independent filter separate from the filter 31, and the low filtration member 33 having a lower filtration rate than the filtration rate of the filter 31.
• the filter part 530 has a dual structure including the separate filter 32 in addition to the filter 31 which is a paper filter, but is not limited to this.
• the filter part 230 may have two or more types of filters in addition to the filter 31 which is a paper filter.
• Fig. 15 is a view showing a longitudinal cross-section of a flavor inhalation article 6 according to a sixth embodiment, where (A) is a view showing a state in which a low filtration member 33 is positioned on a first side of an aerosol modifier 34, (B) is a view showing a state in which the low filtration member 33 is positioned on a second side of the aerosol modifier 34, and (C) is a view showing a state in which the low filtration member 33 is positioned on the first side and the second side of the aerosol modifier 34.
• the flavor inhalation article 6 according to the sixth embodiment differs from the flavor inhalation article 4 according to the first embodiment in a filter part 630 corresponding to the filter part 30.
• the differences from the fourth embodiment will be described below.
• the same reference signs are used for the same components, and detailed description thereof is omitted.
• the filter part 630 has a filter 31 which is a paper filter, a low filtration member 33 having a lower filtration rate than the filtration rate of the filter 31, an aerosol modifier 34 that modifies the aerosol, and wrapping paper 35 present between the filter 31 and the tipping paper 40 and wrapped around the outer peripheral surface of the filter 31.
• the filter part 330 is connected (coupled) to the cooling part 10 by integrally wrapping the base material part 10 and the filter part 630 by using the tipping paper 40. It should be noted that the wrapping paper 35 need not be provided.
• the configuration of the aerosol modifier 34 of the filter part 630 is the same as that of the aerosol modifier 34 included in the filter part 330 according to the third embodiment.
• the communication hole 460 may be provided between the low filtration member 33 and the aerosol modifier 34, as shown in fig. 15(A) . Furthermore, the communication hole 460 may be provided in a region on the downstream side of the aerosol modifier 34.
• the communication hole 460 may be provided in a region between the low filtration member 33 and the aerosol modifier 34, as shown in fig. 15(B) . Additionally, the communication hole 460 may be provided in a region on the upstream side of the aerosol modifier 34.
• the communication hole 460 may be provided in a region between the low filtration member 33 and the aerosol modifier 34, as shown in fig. 15(C) .
• the filter part 630 of the flavor inhalation article 6 includes the filter 31 which is a paper filter, the low filtration member 33 having a lower filtration rate than the filtration rate of the filter 31, and an aerosol modifier 34 that modifies the aerosol.
• the aerosol modifier 34 in the filter part 330, aerosol generated from the base material part 10 can be modified during inhalation.
• the invention according to (21) is the flavor inhalation article according to (20), wherein the flavor inhalation article includes tipping paper wrapped around outer peripheral surfaces of the base material part and the filter part, wherein the tipping paper has a vent hole which is formed at a position corresponding to the cylindrical member or the paper filter, and into which air flows from outside.

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• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Materials Engineering (AREA)
• Cigarettes, Filters, And Manufacturing Of Filters (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

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• 2022
  • 2022-12-26 EP EP22969960.8A patent/EP4643671A1/en active Pending
  • 2022-12-26 JP JP2024566955A patent/JPWO2024142166A1/ja active Pending
  • 2022-12-26 KR KR1020257020921A patent/KR20250114360A/ko active Pending
  • 2022-12-26 WO PCT/JP2022/047985 patent/WO2024142166A1/ja not_active Ceased
  • 2022-12-26 CN CN202280102777.1A patent/CN120676880A/zh active Pending

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