US20210112855A1 - Aroma cartridge - Google Patents

Aroma cartridge Download PDF

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Publication number
US20210112855A1
US20210112855A1 US17/055,204 US201917055204A US2021112855A1 US 20210112855 A1 US20210112855 A1 US 20210112855A1 US 201917055204 A US201917055204 A US 201917055204A US 2021112855 A1 US2021112855 A1 US 2021112855A1
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Prior art keywords
aroma
heated
filter
mouthpiece
generator
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US17/055,204
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English (en)
Inventor
Ryuji Watanabe
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FUTURE TECHNOLOGY Co Ltd
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Toa Industry Co Ltd.
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Application filed by Toa Industry Co Ltd. filed Critical Toa Industry Co Ltd.
Assigned to TOA INDUSTRY CO., LTD. reassignment TOA INDUSTRY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WATANABE, RYUJI
Publication of US20210112855A1 publication Critical patent/US20210112855A1/en
Assigned to FUTURE TECHNOLOGY CO., LTD. reassignment FUTURE TECHNOLOGY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TOA INDUSTORY CO., LTD.
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/01—Making cigarettes for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/042—Cigars; Cigarettes with mouthpieces or filter-tips with mouthpieces
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/14—Tobacco cartridges for pipes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for 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 FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for 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 FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/17—Filters specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for 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

Definitions

  • the present invention relates to an aroma cartridge which is mounted in a chamber provided with an electrically controlled heating element in a heating-type smoking appliance, the aroma cartridge being mounted so as to be in contact with the heating element, whereby an aerosol smoke and a fragrance component generated due to heating of the heating element can be satisfyingly experienced.
  • a smoker of an electronic cigarette can enjoy smoking by aspirating an aroma or smoke of a tobacco material or harmless glycerin or the like made from an aerosol former, at a low temperature (200-350° C.) that does not lead to combustion or thermal decomposition of the tobacco material, and effects on non-smokers in the vicinity can also be reduced.
  • Non-Patent Documents 1 and 2 Electronic cigarettes are roughly classified into two types (Non-Patent Documents 1 and 2).
  • One type includes a capsule-type electronic cigarette and a stick-type electronic cigarette in which a capsule or stick containing tobacco leaves or the like is heated, and smoke or the like is aspirated.
  • the other type is a liquid-type electronic cigarette in which a vapor generated by heating a scented or flavored liquid is inhaled.
  • Stick-type electronic cigarettes in particular have a large number of enthusiasts, due to a high degree of similarity thereof in form, smoking method, taste, and other characteristics to conventional cigarettes, as well as a small aspiration quantity of harmful substances, and various developments in stick-type electronic cigarettes have been made (e.g., Patent Documents 1 through 3).
  • a specific example thereof is an electronic cigarette in which a stick (electronic cigarette cartridge), comprising a mouthpiece provided to an aerosol-forming body obtained by processing an aerosol former for generating a smoke-forming aerosol, a perfume, a binder, and other components together with a tobacco component into a cigarette-form stick shape, is mounted to a heating-type smoking appliance and smoked.
  • a mechanism of this smoking is that when the aerosol-forming body is mounted so as to be in contact with a heat source of the heating-type smoking appliance, and the aerosol-forming body is heated, a volatile substance including an aerosol former is released from the aerosol-forming body, while at the same time, the volatile substance is drawn in toward the mouthpiece at another end together with air by suction by the smoker, and in a process of conveyance of the volatile substance, the volatile substance of the aerosol former cools and condenses, and forms an aerosol resembling smoke, and another volatile substance imparts an aroma to the mouth and nose of the smoker, thereby enabling the smoker to enjoy smoking (Patent Document 2).
  • smoking in the case of heating-type smoking such as in a stick-type electronic cigarette, smoking can be performed at a temperature of 200-250° C. sufficient to volatilize the glycerin, propylene glycol, or other aerosol former included in the aerosol-forming body, i.e., at a temperature at which thermal decomposition of tobacco leaves begins. Therefore, compared with flame-type smoking in which burning occurs at the minimum temperature of 600° C. necessary for combustion, and also at a temperature exceeding 900° C. during smoking, generation of harmful substances, which are said to be generated in larger amounts as the temperature is increased, is suppressed, and adverse effects on health are low.
  • a liquid-type electronic cigarette does not include a tobacco component, and is a novel smoking appliance whereby it is possible to enjoy various tastes such as coffee, cola, Red Bull, and other beverages; chocolate, vanilla, cream, and other desserts; orange, lemon, melon, and other fruits; and menthol, mint, herbs, and other algefacients (Non-Patent Document 2).
  • Non-Patent Document 2 A specific example thereof is an electronic cigarette whereby a liquid in which a perfume is mixed with propylene glycol and vegetable glycerin is heated, and a volatilized volatile substance is aspirated.
  • the most significant features of this electronic cigarette are that no harmful substances are included therein, tar or nicotine are also not generated, and a wide variety of tastes can be enjoyed. A wide variety of liquids are actually sold for this electronic cigarette.
  • Patent Document 4 A fusion of features of these two types of electronic cigarettes has also been attempted in recent years (Patent Document 4).
  • the aerosol-forming body processed into a stick shape which is heated in the conventional stick-type electronic cigarette includes a tobacco component, and therefore generates nonetheless small quantities of harmful substances, as well as tar or nicotine.
  • the invention of Patent Document 4 is therefore a stick-type electronic cigarette that does not include a tobacco component, which was a problem in a stick-type electronic cigarette.
  • Patent Document 4 is a stick-type electronic cigarette in which, instead of a tobacco component, a non-tobacco material is employed for generating only a fragrance which has the effect of smoking for calming mind and body and helping to promote health and beauty, and an aerosol-forming body in which an aerosol former, a binder, and other components are blended is used.
  • fibers of the tobacco material maintain an aggregated state in the aerosol-forming body and hinder fusion and falling out of the tobacco material.
  • a non-tobacco material not including a large quantity of fibers a large amount of a binder or the like for performing the function of fibers is used to stably maintain an aggregated state in an aroma-generating sheet to be heated or an aroma-generating filler to be heated (referred to hereinbelow as “aroma-generating base material to be heated.”).
  • the aerosol former is glycerin, propylene glycol, or the like, which is liquid at normal temperature
  • bleed-out of the aerosol former over time from the aroma-generating base material to be heated increases the larger the amount of the binder is, and aroma-generating base materials to be heated fuse together. Gas flow passages are therefore blocked, and aspiration of aspirated components becomes difficult, resulting in a reduced aspiration quantity.
  • the heating element can also be damaged.
  • the aroma-generating base materials to be heated can become stuck together and hardened during transport or storage/keeping at a storefront, leading to difficulty in penetration thereof by a heating element, damage to a cartridge, or damage to the heating element.
  • An object of the present invention is to provide an aroma cartridge whereby it is possible to overcome a problem of decreased aspiration force that characteristically arises from using only a non-tobacco material and not using any tobacco component, i.e., a problem of decreased aspiration quantity of an aspirated component due to blockage of gas flow passages within an aroma-generating base material to be heated and between aroma-generating base materials to be heated, and whereby there is also no dust generation or dislodgement of the non-tobacco material and other materials.
  • the present invention is referred to herein as an “aroma cartridge,” but may also be called a “smoking cartridge” or an “electronic-cigarette-compatible cartridge.”
  • aroma herein means “pleasant scent,” and includes a scent that wafts from a raw material itself (a fragrance), a scent that drifts in space when heated (an aroma), a scent that plays about the mouth when aspirated (a flavor), or the like.
  • smoking usually means smoking tobacco, but in the present invention, “smoking” simply means “enjoying smoke,” “tasting smoke,” or “satisfyingly experiencing smoke,” and is not limited to referring to tobacco as the source of the smoke, and can also be applied to a source in which a non-tobacco material is used.
  • smoke herein also includes a substance “resembling smoke” or a “smoke-like” substance, such as an aerosol or other droplets dispersed in air, for example.
  • An “electronic-cigarette-compatible cartridge” is also defined simply as an “(interchangeable) cartridge that can be used interchangeably as a replacement for an electronic cigarette cartridge that includes a tobacco component,” regardless of whether the compatible cartridge includes a tobacco component.
  • an object of the present invention is to provide a cylindrical aroma cartridge which can be mounted so as to contact a heating element of a heating-type smoking appliance in which an electrically controlled heating element is provided in a chamber, and whereby an aerosol smoke and a fragrance component generated due to heating by the heating element can be satisfyingly experienced, wherein: a mouthpiece comprising at least a filter for filtering smoke and a fragrance component, and an aroma generator to be heated in which is wound at least an aroma-generating base material to be heated which is in contact with the heating element are adjacent to each other and wound by a cartridge exterior body; the mouthpiece is provided with a mechanism having a function for enhancing the aspiration quantity of a gas and a function for capturing dislodged material or dust of a non-tobacco material or the like; and the aroma generator to be heated is provided with a material having a structure that eliminates dust or dislodgement of non-tobacco material or the like without reducing the aspiration quantity of a gas.
  • the aroma cartridge of the present invention comprises: an aroma generator to be heated, in which is wound an aroma-generating base material to be heated which is in contact with a heating element; a mouthpiece comprising a filter for filtering an aerosol smoke and a fragrance component generated due to heating by the heating element; and a cartridge exterior body surrounding an external periphery so as to connect the aroma generator to be heated and the mouthpiece, at least one of the aroma generator to be heated and the mouthpiece having at least one of means for optimizing aspiration of the smoke and the fragrance component and a gas-generation-maintaining material for maintaining generation of the smoke and the fragrance component.
  • the aspiration quantity optimization means and the gas-generation-maintaining material are a structure and a material, respectively, described below.
  • the aspiration quantity optimization means is a mouthpiece structure for enhancing the aspiration quantity, and is a structure for preventing and capturing dislodged material or dust of a non-tobacco material or the like of the aroma generator to be heated.
  • aspiration quantity optimization means is: a cavity for enhancing the aspiration quantity by enlarging a gas flow passage provided in the filter constituting the mouthpiece; a shape reinforcement member for preventing a decrease in aspiration quantity due to deformation, provided to a support body for preventing the aroma generator to be heated constituting the mouthpiece from moving toward the mouthpiece; a heat insulation material for preventing a joined part from being damaged by heat diffusion, provided to the mouthpiece; and a cover material and a capturing partition wall material for preventing the occurrence of dust or dislodged material of the non-tobacco material, etc.
  • the gas-generation-maintaining material is a material whereby a flow channel for gas released from the aroma generator to be heated is not blocked. More specifically, the gas-generation-maintaining material is: an aroma-generating base material to be heated in which an internal structure thereof is improved by a production method; an aroma-generating base material to be heated which constitutes the aroma generator to be heated, in which a blended amount thereof is optimized; inorganic particles present within and/or on a surface of the aroma-generating base material to be heated which constitutes the aroma generator to be heated; and an aroma-generating base material to be heated in which a filling ratio thereof is improved.
  • the filter is obtained by molding fibers into a cylindrical shape, and the filter constitutes all or a portion of the mouthpiece, and the aspiration optimization means includes a cavity provided in the filter in a longitudinal direction so as not to penetrate through the filter.
  • the filter is formed from commonly used cellulose acetate (CA) fibers or polyethylene terephthalate (PET) or other polyester fibers or the like, and because the flow rate of gas aspirated by a typical smoker is not adequate in the case of an aroma cartridge of an aroma generator to be heated which uses a non-tobacco material, the aspiration quantity is enhanced by a cavity in the filter.
  • CA cellulose acetate
  • PET polyethylene terephthalate
  • a shape or quantity of the cavity is not particularly limited and may be determined as appropriate for the type of aroma generator to be heated, but in consideration of the effect of increasing the quantity of gas aspirated by a typical smoker, and the degree of difficulty of a method for producing the cavity, at least one cavity is preferably arranged in both longitudinal end parts or in either one longitudinal end part of the filter.
  • a position in which the cavity is formed is arranged so that when a smoker aspirates, the aspirated gas enters the entire mouth uniformly.
  • the cavity is preferably formed on a center axis of a cylinder existing in the longitudinal direction of the filter.
  • the cavities are preferably formed symmetrically about the center axis of a cylinder existing in the longitudinal direction of the filter.
  • the cavities are preferably arranged in rotationally symmetrical positions about the center axis of a cylinder existing in the longitudinal direction of the filter and on the center axis of a cylinder existing in the longitudinal direction of the filter.
  • the shape of the cavity is preferably columnar or conical, from the perspective of the effect of increasing the quantity of gas aspirated by a typical smoker, and the degree of difficulty of a method for producing the cavity, but the cavity is not limited to a columnar or conical bottom surface shape.
  • the cavities described above are efficiently formed by ordinary mechanical drilling, electrical discharge machining, or laser machining, and are therefore preferably cylindrical or circular conical for the sake of workability.
  • the filter alone may constitute the entire mouthpiece, or the filter may be a portion of the mouthpiece.
  • a remainder thereof is preferably a void formed by the cartridge exterior body.
  • An arrangement of the filter and the void is not particularly limited, and an aroma generator to be heated and the filter may be adjacent, or the aroma generator to be heated and the void may be adjacent.
  • the cartridge exterior body is usually formed using a thin film of PE, PP, or other polyolefin resin, PET resin, CA resin, polylactic acid (PLA), or the like, or thin paper or the like, but when a void is formed by the cartridge exterior body, the thickness thereof, which will vary according to the material, must be sufficient to maintain strength of the mouthpiece.
  • the mouthpiece can be further equipped with a member having a preferred function other than the filter, to enhance functioning of the mouthpiece.
  • a member having a preferred function other than the filter generally include a support member for preventing the aroma generator to be heated from moving toward the mouthpiece, and a cooling member whereby the aerosol former of the aroma generator to be heated is cooled after being volatilized, generation of smoke is promoted, and the temperature of a gas is reduced, and the support member and the cooling member may constitute the mouthpiece together with the filter. Any one or both of the above members may be applied. When one of the members is applied, the member is disposed between the aroma generator to be heated and the filter. When both members are applied, the support member and the cooling member are arranged in this order or in reverse order between the aroma generator to be heated and the filter.
  • the cooling member preferably serves as a heat exchanger, and a cylindrical porous body having high porosity and continuous holes, or a cylindrical tube or the like provided with numerous through holes is used as the cooling member.
  • the porosity thereof must be at least 50% or greater, and is preferably 70-90%.
  • cooling member As the material of the cooling member, PE, PP, and other polyolefin resins, PET resin, CA resin, polylactic acid (PLA), and the like have been used, but a cooling member formed by winding a metal foil of aluminum or the like having high thermal conductivity on the above materials, or a cooling member formed from such a metal is more preferred.
  • the mouthpiece thus has, as an essential constituent member, a filter for making the aroma cartridge easy for the smoker to hold in the mouth, and for filtering the gas and smoothing the taste of the gas, and a support member and/or a cooling member can be arranged as needed in the mouthpiece.
  • a filter for making the aroma cartridge easy for the smoker to hold in the mouth, and for filtering the gas and smoothing the taste of the gas
  • a support member and/or a cooling member can be arranged as needed in the mouthpiece.
  • the length of the aroma cartridge and the length of the aroma generator to be heated are determined in accordance with the structure of the heating-type smoking appliance, and therefore, when the filter of the mouthpiece is shortened, the structure is such that a portion of the filter is replaced by the support member.
  • the support member since the support member could not hinder passage of gas while preventing the aroma generator to be heated from moving toward the mouthpiece, the support member was a hollow cylindrical structure having a thin side surface, formed using inexpensive polyethylene (PE), polypropylene (PP), or another polyolefin resin, CA resin or another plastic, or paper or the like as the material thereof.
  • the support member is also hollow and preferably has a thin a side surface as possible so as not to hinder passage of gas.
  • the filter is shortened to increase the length of such a support member, a problem arises that the mouthpiece is easily deformed.
  • the present invention provides an aroma cartridge comprising a mouthpiece constituted from at least a filter and a support member, the support member having a structure whereby the mouthpiece does not deform and the aspiration quantity is not reduced, even when the length of the support member is increased and the thickness of the side surface thereof is decreased.
  • the mouthpiece has a support member including a through hole, for preventing the aroma generator to be heated from moving toward the mouthpiece, center axes of the support member and a cylinder of the through hole substantially coincide, and the aspiration optimization means includes a shape reinforcement member fixedly or movably arranged in the through hole. More specifically, the shape reinforcement member has axes of the support member and the through hole in a plane thereof, and comprises at least one or more plate-shaped members in contact with an inner wall of the through hole.
  • a shape of the plate-shaped member is preferably a cross section of a cylinder cut in an axial direction thereof, i.e., a rectangle. From the perspective of aspiration quantity, the plate-shaped member is preferably as thin as possible, and the number thereof is as small as possible, but when prevention of deformation is also considered, it is preferred to have 2-4 plate-shaped members having a thickness of 0.1-0.5 mm formed from a polyolefin resin.
  • the shape reinforcement member more preferably comprises a concentric cylinder having substantially the same center axis as the center axis of a cylinder of the support member and the through hole and having a radius smaller than a radius of the through hole, and a plate-shaped member arranged on an external peripheral side of the concentric cylinder so as to contact an inner wall of the through hole in a radial direction of the concentric cylinder, and from the perspective of gas aspiration, the concentric cylinder is even more preferably hollow.
  • Aspiration of gas can thus be optimized without deformation of the support member in an aroma cartridge in which is applied a mouthpiece comprising a support member which is adjacent to the aroma generator to be heated and in which is arranged a shape reinforcement member for preventing the aroma generator to be heated from moving toward the mouthpiece, and a filter adjacent to the support member.
  • a filter having a cavity is more preferably applied as the filter in order to provide a wider range of control of gas aspiration.
  • a cooling member whereby the volatilized aerosol former can be efficiently converted to an aerosol smoke can also be arranged between the filter and the support member.
  • a filter having a cavity is preferably applied as the filter in order to further optimize the aspiration quantity.
  • Adhesion between members constituting the aroma cartridge may therefore decrease. Locations of joining surfaces at which adhesion is decreased vary according to the configuration of the aroma cartridge, but examples thereof include interfaces of the aroma generator to be heated with the support member, the cooling member, and the cartridge exterior body, interfaces of the filter with the support member, the cooling member, and the cartridge exterior body, interfaces of the support member with the cooling member and the cartridge exterior body, and an interface of the cooling member and the cartridge exterior body.
  • a heat insulation member is therefore preferably provided between the aroma generator to be heated and the mouthpiece.
  • the heat insulation member does not allow a general spread of high-temperature gas, unlike the support member adjacent to the aroma generator to be heated, and is preferably constituted from a heat-insulating porous body made of plastic, such as a sponge having continuous holes with long flow passages, and may also function to retain the high-temperature gas to some degree and cool the gas. Consequently, the heat insulation member has an extremely small length and need not have the degree of cooling functionality of a cooling member, and is preferably applied instead of a support member for preventing the aroma generator to be heated from moving toward the mouthpiece.
  • the present invention also provides an aroma cartridge in which a heat insulation member as an aspiration optimization means is interposed between the aroma generator to be heated and the mouthpiece, from the perspective of eliminating the effect of heat from the heating element and preventing a decrease in aspiration quantity.
  • the aroma-generating base material to be heated releases various aromas, the quantity of a fiber component thereof is sometimes extremely small.
  • a blended amount of a binder, etc. is adjusted in such cases, but in order to maintain aroma, the blending ratio of the non-tobacco material cannot be significantly reduced, and dislodged material or dust of the non-tobacco material, etc., occurs more readily than usual.
  • the dust and dislodged material are carried toward the mouthpiece by smoking, and cause blockage of voids in the cooling member and the filter, and cause an extreme decrease in aspiration quantity.
  • An aroma-generating base material to be heated that is obtained from such blending is also prone to form dislodged material, dust, and the like when impaled on the needle-shaped heating element of the aroma cartridge.
  • the present invention also provides an aroma cartridge in which a cover material arranged on an end part on the mouthpiece side of the aroma generator to be heated, and a partition wall material arranged on an end part on an opposite side to said mouthpiece are arranged as the aspiration optimization means.
  • a cover material arranged on an end part on the mouthpiece side of the aroma generator to be heated and a partition wall material arranged on an end part on an opposite side to said mouthpiece are arranged as the aspiration optimization means.
  • Either one or both of the cover material and the partition wall material may be provided, in accordance with the state of the aroma-generating base material to be heated and the aroma generator to be heated in which aroma-generating base materials to be heated are bundled.
  • the cover material and/or the partition wall material prevent clogging of the filter and/or the cooling member by dislodged material or dust, and ensure a stable aspiration quantity.
  • a solution means for structural improvement of gas aspiration optimization in the aroma cartridge is described above.
  • the aroma generator to be heated which is heated to release gas, must also be improved in order to optimize aspiration.
  • a quantity of gas released by the aroma generator to be heated is closely related to the aspiration quantity described above, and this point is described below.
  • a material for stabilizing the quantity of gas released is referred to as a gas-generation-maintaining material.
  • the aerosol former is glycerin, propylene glycol, or the like, which is liquid at normal temperature, bleed-out of the aerosol former over time from the aroma-generating base material to be heated increases the larger the amount of the binder is, and aroma-generating base materials to be heated fuse together. Flow passages between aroma-generating base materials to be heated are therefore blocked, and aspiration of aspirated components becomes difficult.
  • the fusion described above occurs, not only does it become difficult to insert a heating element into the aroma-generating base material to be heated, but the heating element can also be damaged.
  • a method for producing the aroma-generating base material to be heated comprising steps, but it is apparent that a producing device exists that is capable of implementing the production method as a whole, by comprising means for executing the steps. Therefore, a production method and a producing device will be described simultaneously (in stacked fashion) using the terms “step (means)” and “method (device)” so that there is no duplication of description thereof.
  • a method for producing an aroma-generating base material to be heated is thought to be that the aroma-generating base material to be heated is produced by drying and subsequent cutting of a sheet molded by a paper-making method, roll-pressing, pressing, or another compression molding method, and casting or another method from a composition in which a material selected from a non-tobacco material, an aerosol former, a binder, an adhesion prevention agent, a perfume, a non-tobacco-material extract, an antimicrobial preservative, and the like is dispersed or dissolved as a medium in pure water, alcohol, or another medium, and an internal structure of the aroma-generating base material to be heated is altered in various ways by the production method (device) in molding and drying steps (means).
  • a phase-separated structure of a blend is affected by the production method (device) or a producing condition, and on the fact that in the case of an emulsion, suspension, or the like in which an oil is dispersed in water, whether the emulsion, suspension, or the like becomes a water-in-oil or oil-in-water-type emulsion, suspension, or the like is affected by the type of oil, the blending ratio of the oil and water, the type of a surfactant, and various other factors.
  • This example is a method (device) for producing an aroma-generating base material to be heated, by cutting an aroma-generating sheet to be heated that is produced by: a step (means) for drying/pulverizing and then dry-mixing a non-tobacco material to prepare a non-tobacco material; a step (means) for preparing raw materials selected from an aerosol former, a binder, an adhesion inhibitor, a perfume, a non-tobacco material extract, an antimicrobial preservative, etc.; a step (means) for preparing pure water and an alcohol; a wet mixing step (means) for mixing the prepared ingredients at once; a paper-making step (means) for producing a water-containing sheet from a slurry produced by wet mixing; a molding step (means) for roll-pressing the resultant water-containing sheet to obtain a sheet; and
  • the aroma-generating base material to be heated that is produced by this method has problems in that an aggregated state is difficult to maintain therein, a large quantity of binder is required, and fusion of the aroma-generating base material to be heated due to bleed-out of the aerosol former is prone to occur. Consequently, the quantity of gas released by an aroma generator to be heated that uses this aroma-generating base material as a filler changes significantly over time, and a smoker cannot obtain stable aspiration of gas.
  • the material for stabilizing the quantity of gas released by the aroma generator to be heated in the aroma cartridge of the present invention is firstly an aroma-generating base material to be heated that is produced by: a dry mixing step (means) for mixing a dried and pulverized non-tobacco material; a first wet mixing step (means) for mixing, in an alcohol and pure water mixture, the non-tobacco material produced by the dry mixing step (means), and a material selected from an aerosol former, a binder or thickener, crosslinked polyvinylpyrrolidone (PVP), a perfume, a non-tobacco extract, ⁇ -cyclodextrin, microcrystalline cellulose, and an antimicrobial preservative; a second wet mixing step (means) for producing a slurry including the non-tobacco material, etc., by adding additional pure water and/or alcohol to the alcohol and pure water mixture including the non-tobacco material, etc.
  • a dry mixing step for mixing a dried and pulverized non
  • a feature of producing in this method is a second wet mixing.
  • a dispersion state of the non-tobacco material and the polypropylene glycol, glycerin, or other aerosol former is improved, and the aggregated state of the aroma-generating base material to be heated can therefore be stabilized, and bleed-out of the aerosol former can be reduced without increasing the added quantity of the binder.
  • ethanol, propanol, or another lower monoalcohol is effective and preferred as the alcohol, and the added quantity thereof is preferably 0.1-10 parts by mass with respect to 100 parts by mass of the non-tobacco material.
  • a gas-generation-maintaining material in a second aroma cartridge of the present invention is an aroma-generating base material to be heated that is produced by: a dry mixing step (means) for mixing a dried and pulverized non-tobacco material; a first wet mixing step (means) for mixing, in an alcohol and pure water mixture, the non-tobacco material produced by the dry mixing step (means), and a material selected from an aerosol former, a binder or thickener, crosslinked PVP, a perfume, a non-tobacco extract, ⁇ -cyclodextrin, microcrystalline cellulose, and an antimicrobial preservative; a second wet mixing step (means) for producing a slurry including the non-tobacco material, etc., by adding additional pure water and/or alcohol to the alcohol and pure water mixture including the non-tobacco material, etc., produced by the first wet mixing step (means); a paper-making step (means) for producing a water-containing sheet from the
  • a second wet mixing is also a feature of producing by this method (device), and like the first production method (device), the alcohol is preferably ethanol, propanol, or another lower monoalcohol, and the added quantity thereof is preferably 0.1-10 parts by mass with respect to 100 parts by mass of the non-tobacco material.
  • an additional feature of the production method (device) of the second aspect is the addition of an aerosol former absorption step (means) for coating the water-containing sheet with, or dipping the sheet into, the aerosol former, a moisture content of the water-containing sheet being reduced to less than 50% by mass.
  • the aerosol former and the non-tobacco material were separated in an undried sheet of an aroma-generating base material to be heated, in which the dispersion state of the aerosol former and the non-tobacco material was poor and the moisture content was less than 50% by mass, and absorption of the aerosol former was therefore difficult.
  • the dispersion state is improved by the second wet step (means)
  • the aerosol former is absorbed into the sheet in the aerosol former absorption step (means).
  • the aggregated state of the aroma-generating base material to be heated can be stabilized, bleed-out of the aerosol former can be reduced, and the aerosol former is also more readily volatilized by heating.
  • a gas-generation-maintaining material in a third aroma cartridge of the present invention is an aroma-generating base material to be heated that is produced by: a wet mixing step (means) for producing a slurry of a non-tobacco material by mixing a dried and pulverized non-tobacco material with pure water; a paper-making step (means) for producing a water-containing sheet from the slurry produced by the wet mixing step (means); a sheet molding step (means) for compressing or casting the water-containing sheet to obtain a sheet; a drying step (means) for reducing the moisture content of the sheet produced by the sheet molding step (means) to less than 50% by mass; an absorption and adsorption step (means) for coating the sheet produced by the drying step (means) with, or dipping the sheet into, an alcohol and pure water mixture of a material selected from an aerosol former, a binder or thickener, crosslinked PVP, a perfume, a non-tobacco material extract
  • a water-containing sheet is formed by making a paper from a slurry obtained by wet-mixing the non-tobacco material and all other materials with pure water and alcohol; however, a feature of the third production method (device) is that a water-containing sheet is produced from a slurry of the non-tobacco material alone, and the aerosol former and other materials are absorbed into and adsorbed on a sheet obtained by drying the water-containing sheet.
  • dispersion of the non-tobacco material and the aerosol former is improved with the object of wet-dispersing all of the materials.
  • the inventors discovered that a pure water and alcohol mixture of an aerosol former and other materials rapidly permeates, and is absorbed into and adsorbed on, a dried sheet of a non-tobacco material, as in the third production method (device), and thus arrived at the present invention.
  • the aroma-generating base material to be heated that is produced by this method (device) has a stable aggregated state and reduced occurrence of bleed-out of the aerosol former.
  • a gas-generation-maintaining material in a fourth aroma cartridge of the present invention is an aroma-generating base material to be heated that is produced by: a non-tobacco-material preparation step (means) for drying and pulverizing a non-tobacco material; a perfume and/or non-tobacco extract mixing step (means) for mixing at least a perfume and/or a non-tobacco material extract and crosslinked PVP and/or ⁇ -cyclodextrin in alcohol to cause the perfume and/or non-tobacco extract to reside in the crosslinked PVP and/or ⁇ -cyclodextrin; an aerosol former dissolving step (means) for mixing at least an aerosol former and a binder or thickener with pure water; a wet mixing step (means) for mixing a material produced by the non-tobacco material preparation step (means), a material produced by the perfume and/or non-tobacco extract dissolving step (means), and a material produced by the aerosol former
  • the previous production methods [devices] had the feature of molding a sheet obtained by a step (means) for making a paper from a slurry of the non-tobacco material and other components.
  • a sheet of the aroma-generating base material to be heated is molded from a highly viscous mixture of the non-tobacco material, etc., in which there is little pure water and alcohol, using a roll press such as a three-roll mill. It is thought that all of the materials are uniformly kneaded and dispersed in this method (device) because a large shear force and compression force are applied to the mixture of the non-tobacco material, etc.
  • the mixing step (means) for mixing at least a perfume and/or a non-tobacco material extract and crosslinked PVP and/or ⁇ -cyclodextrin in alcohol to cause the perfume and/or non-tobacco extract to reside in the crosslinked PVP and/or ⁇ -cyclodextrin plays an extremely important role.
  • a stable aggregated state of the aroma-generating base material to be heated is obtained, bleed-out of the aerosol former can be markedly reduced, volatilization of gas by heating of the aroma generator to be heated is promoted without fusion of the aroma-generating base material to be heated, and a decrease in the aspiration quantity over time can be prevented.
  • a step (means) for adding a material selected from a non-tobacco material, an aerosol former, a binder or thickener, crosslinked PVP, a perfume, a non-tobacco extract, ⁇ -cyclodextrin, microcrystalline cellulose, an antimicrobial preservative, and pure water is preferably added.
  • This step (means) can promote kneading by a shear force and compression force and control the moisture content in the sheet molding step (means), and increase volatility of the aerosol former.
  • a gas-generation-maintaining material in a fifth aroma cartridge of the present invention is an aroma-generating base material to be heated that is produced by: a first wet mixing step (means) for mixing a dried and pulverized non-tobacco material, a first binder aqueous solution in which a first binder is dissolved in pure water, and a material selected from an aerosol former, crosslinked PVP, a perfume, a non-tobacco extract, ⁇ -cyclodextrin, microcrystalline cellulose, and an antimicrobial preservative; an aging step (means) for stabilizing a mixture produced by the first wet mixing step (means); a second wet mixing step (means) for mixing an aged mixture produced by the aging step (means) and a second binder aqueous solution in which a second binder is dissolved in pure water; a sheet molding step (means) for producing an aroma-generating sheet to be heated, by compression from a material produced by the second wet mixing step (me
  • a step (means) for adding a material selected from a non-tobacco material, an aerosol former, a binder or thickener, crosslinked PVP, a perfume, a non-tobacco extract, ⁇ -cyclodextrin, microcrystalline cellulose, an antimicrobial preservative, and pure water is preferably added in the sheet molding step (means), the same as in the fourth production method (device).
  • a feature of this production method (device) in particular is that a step (means) for aging the mixture is provided, and a step (means) for adding a binder in two additions before and after the aging step (means) is provided.
  • the binder of the first addition is preferably a modified cellulose polymer
  • the binder of the second addition is preferably a polysaccharide-based polymer other than cellulose.
  • the aging step is meant as a step in which the dispersion state of the mixture of the non-tobacco material, etc., changes over time, and is estimated to lead to a dispersion state of lowest energy and stable uniformity, because the above state change can form an aggregated state in the aroma-generating base material to be heated.
  • Dividing addition of a binder into two additions makes it possible to adequately disperse the mixture without reducing the added quantity of the binder, and is for facilitating adjustment of viscosity. This effect is closely related to the aging step (means). Because a stable dispersion state is created by performing the first addition of a binder and then aging, the second addition of a binder is facilitated, the amount of binder added can be reduced, and viscosity adjustment is facilitated. Therefore, a modified cellulose polymer having excellent dispersing ability is preferred for the first addition, and a polysaccharide-based polymer other than cellulose, having ability as a thickener for adjusting viscosity, is preferred for the second addition.
  • any one or more of methyl cellulose, ethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, and a sodium salt, a potassium salt, or a calcium salt of carboxymethyl cellulose or carboxyethyl cellulose is preferred for use as the modified cellulose polymer, and any one or more of konjac mannan (glucomannan), guar gum, pectin, carrageenan, tamarind seed gum, gum arabic, soybean polysaccharide, locust bean gum, karaya gum, xanthan gum, and agar is preferred for use as the polysaccharide-based polymer.
  • Blended amounts of the binders are preferably 5-20 parts by mass of the first binder and 0.1-5 parts by mass of the second binder with respect to 100 parts by mass of the non-tobacco material.
  • the aging step is preferably performed at 15-30° C. for 72-336 hours. Since the binder is a polymer having a hydroxyl group or a carboxyl group, the presence/absence of hydrogen bond formation brings about a difference in the state of molecules dissolved in the pure water and alcohol, and the appropriate temperature conditions are thought to be due to the fact that this effect is temperature-dependent. The optimum temperature range was derived as a result of experimentation. There is a minimum amount of time required for the dispersion state to change over time and stabilize, but taking more time than is needed does not produce a significant change, and reduces productivity.
  • a material for causing a gas to be stably released from the aroma generator to be heated i.e., a solution means for optimizing an aroma-generating base material to be heated as a gas-generation-maintaining material by way of the method (device) for producing the same.
  • a material that more actively stabilizes gas release has been proposed.
  • This gas-generation-maintaining material consists of inorganic particles.
  • the inorganic particles have two effects, dependent upon the location in which the inorganic particles are present.
  • the inorganic particles have one effect when present within an aroma filler to be heated.
  • the density of the aroma-generating base material to be heated decreases, closure of gas flow passages is eliminated, and there is no difficulty in aspiration of gas.
  • the inorganic particles have another effect when on a surface of an aroma-generating sheet to be heated or the aroma-generating base material to be heated.
  • the inorganic particles can prevent aroma-generating base materials to be heated from fusing together, flow passages between aroma-generating sheets to be heated or aroma-generating base materials to be heated are not closed, and the problem of difficulty in aspirating aspirated components is overcome. Because fusion of aroma-generating sheets to be heated or aroma-generating base materials to be heated is eliminated, the problem of difficulty inserting the heating element into the aroma-generating base material to be heated is also overcome.
  • Introducing inorganic particles to the aroma generator to be heated also has the effect that regardless of whether the inorganic particles are within or on the surface of the aroma-generating base material to be heated, an area of contact between the heating element and an organic component of the aroma-generating base material to be heated is reduced, and fouling of the heating element of a heating-type smoking appliance can therefore be mitigated.
  • the inorganic particles may be added in a composition of the aroma-generating base material to be heated, as a raw material in the process for producing the aroma-generating base material to be heated described above.
  • the step (means) for adding the inorganic particles is not particularly limited, but the inorganic particles are preferably added before wet mixing of a tobacco material and other materials.
  • step (means) for spraying inorganic particles on the aroma-generating sheet to be heated after the step (means) whereby the aroma-generating sheet to be heated is produced
  • step (means) for spraying inorganic particles on the aroma-generating base material to be heated after the sheet processing step (means) whereby the aroma-generating base material to be heated is produced.
  • the inorganic particles are preferably magnesium oxide, calcium oxide, titanium oxide, iron oxide, alumina, or another metal oxide; magnesium carbonate, calcium carbonate, or another metal carbonate; calcium phosphate or another metal phosphate; potassium titanate, magnesium titanate, or another titanate; zeolite, colloidal silica, fumed silica, or another silicon oxide, or the like, and an average particle diameter thereof is more preferably 1-100 ⁇ m.
  • 0.1-10 parts by mass of the inorganic particles are preferably added with respect to 100 parts by mass of the non-tobacco material.
  • the aroma cartridge of the present invention comprises: an aroma generator to be heated, in which is wound an aroma-generating base material to be heated which is in contact with a heating element; a mouthpiece comprising a filter for filtering an aerosol smoke and a fragrance component generated due to heating by the heating element; and a cartridge exterior body surrounding an external periphery so as to connect the aroma generator to be heated and the mouthpiece, at least one of the aroma generator to be heated and the mouthpiece having at least one of means for optimizing aspiration of the smoke and the fragrance component and a gas-generation-maintaining material for maintaining generation of the smoke and the fragrance component.
  • the aspiration optimization means and the gas-generation-maintaining material in the aroma cartridge of the present invention are described above, and aspects of the invention that complement these features are further described below.
  • the filling ratio of the aroma-generating base material to be heated that constitutes the aroma generator to be heated is preferably 60-90% in order to obtain stable aspiration of gas. Aspiration of gas is difficult when the filling ratio exceeds the above range, and the quantity of gas released is inadequate when the filling ratio is less than the above range.
  • a filling ratio of 60-73% in particular is preferred in order to prevent fusion over time of the aroma-generating base material to be heated. Fusion over time of the aroma-generating base material to be heated becomes noticeable when the filling ratio exceeds 73%.
  • the filling ratio is not thus limited in the case of the aroma-generating base material to be heated that is produced from the improved production methods [devices] described above, and the aroma-generating base material to be heated in which inorganic particles are present within and on the surface thereof, and in these materials, severe fusion over time does not occur even when the filling ratio exceeds 73%.
  • the aerosol former included in the aroma-generating base material to be heated is preferably 50-80 parts by mass with respect to 100 parts by mass of the non-tobacco material.
  • a volatilized amount of the aerosol former for forming an aerosol is inadequate when the blended amount thereof is less than the above range, and when the blended amount is greater than the above range, bleed-out of the aerosol former from the aroma-generating base material to be heated is severe, and severe fusion of the aroma-generating base material to be heated occurs.
  • the crosslinked PVP serves to stabilize the aggregated state of the aroma-generating base material to be heated, and to cause temporary residence of the menthol, xylitol, or other fragrance component, and is preferably 7-25 parts by mass with respect to 100 parts by mass of the non-tobacco material.
  • the function of the crosslinked PVP cannot be expressed when the blended amount thereof is less than the above range, and the fragrance component from the non-tobacco material, etc., is insufficient when the blended amount exceeds the above range.
  • the microcrystalline cellulose is preferably 7-25 parts by mass with respect to 100 parts by mass of the non-tobacco material.
  • This microcrystalline cellulose is a powder having fluid properties that does not dissolve in water, ethanol, or another organic solvent, and is used as an excipient for forming tablets of a medicine. This is because microcrystalline cellulose is effective at preventing adhesion to a die, preventing cohesive failure, etc., in formation of a tablet by direct compression, due to the fluidity thereof and high compressibility with a large volume change thereof.
  • Microcrystalline cellulose has the same effects in the aroma-generating base material to be heated, and the function of the microcrystalline cellulose cannot be expressed when the blended amount thereof is less than 7-25 parts by mass. Conversely, then the blended amount exceeds the above range, the blending ratios of other materials become in adequate relative to the microcrystalline cellulose, and functioning of the aroma-generating base material to be heated is adversely affected.
  • the ⁇ -cyclodextrin is preferably 0.2-1.0 part by mass with respect to 100 parts by mass of the non-tobacco material.
  • the ⁇ -cyclodextrin serves to cause temporary residence of the menthol, xylitol, or other fragrance component, and must therefore be blended in at least the above quantity.
  • functioning of the aroma-generating base material to be heated is inhibited when an excessive quantity of ⁇ -cyclodextrin is added.
  • ⁇ -cyclodextrin is preferably added when menthol is used as a fragrance component.
  • Constituent materials that are particularly suitable for the aroma-generating base material to be heated of the present invention are listed below.
  • Parts that can be used as the non-tobacco material include roots (including scaly roots (bulbs), tuberous roots (potatoes), corms, etc.), stems, tubers, bark (including stem bark, tree bark, etc.), leaves, flowers (including petals, pistils, stamens, etc.), seeds and fruits, tree trunks or branches, and the like.
  • bulbs include onion, cluster amaryllis, tulip, hyacinth, garlic, scallion, and lily
  • corms include crocus, gladiolus, freesia, iris, taro, and konjac
  • tubers include konjac, cyclamen, anemone, begonia, Chinese artichoke, potato, and Apios (potato bean)
  • rhizomes include canna, lotus (lotus root), and ginger
  • tuberous roots include dahlia, sweet potato, and cassava
  • Jerusalem artichoke rhizophores include genus Dioscorea (yam, Japanese yam, Chinese yam, and other yams).
  • turnip, burdock, carrot, radish, kudzu, asparagus, bamboo shoots, udo, daikon, yacon, and the like are preferred for use.
  • Tuberous roots (potatoes) and the plants cited below contain carbohydrates, and are preferred for use as an aroma filling sheet or filler to be heated.
  • Corn starch (maize), potato starch (potato), sweet potato starch (sweet potato), tapioca starch (tapioca), and the like are cited as starches, and function also as thickeners, stabilizers, or the like. These starches can also be crosslinked to enhance acid resistance, enhance heat resistance, enhance shear resistance, etc., or esterified or etherified to enhance storage stability, promote gelatinization, etc., or oxidized to enhance transparency, enhance film properties, enhance storage stability, etc.
  • Seeds and fruits that are preferred for use include peach, blueberry, lemon, orange, apple, banana, pineapple, mango, grape, kinkan, melon, plum, almond, cacao, coffee bean, peanut, sunflower, olive, walnut, and other nuts and edible fruits (flesh portion) or seeds.
  • Seaweeds that are preferred for use include sea lettuce, green laver, devil weed, laver, arame, seaweed ( Collema nigrescense ), egonori, gracilaria, Kagome konbu, Ecklonia cava , ganiashi, sea grapes, Ecklonia kurome , konbu, Porphyra yezoensis , dulse, Pyropia kurogii, Ecklonia stolonifera , tengusa, shredded konbu, Arthrothamnus , nori (seaweed), Petalonia binghamiae , hijiki, hitoegusa, hirome, funori, gutweed, Japanese kelp, mekabu, mozuku, and wakame.
  • a plant used as an herb or spice can also be preferred for use as the non-tobacco material, and dried gardenia fruit, kaffir lime leaves, Japanese ginger, mugwort, wasabi, ajowan seed, anise, alfalfa, echinacea, shallot, tarragon, everlasting flower, elder, allspice, orris root, oregano, orange peel, orange flower, orange leaf, Cayenne chili pepper (Cayenne chili pepper), German chamomile, Roman chamomile, cardamom, curry leaf, garlic (garlic), catnip, caraway, caraway seed, fragrant olive, cumin, cumin seed, clove, green cardamom, green pepper, cornflower, saffron, cedar, cinnamon, jasmine, juniper berry, jolokia, ginger (ginger), star anise, spearmint, sumac, sage, savory (savory), celery, celery seed, turmeric ( Curcuma ), thy
  • Teas can also be preferred for use. Teas not only differ according to the plant used to form the tea, but different teas can be formed from the same plant depending on the processing method (device) that is used, and teas are therefore preferred as non-tobacco materials each having different aroma components.
  • Specific examples thereof include Japanese tea, black tea, ashitaba tea, sweet tea, jiaogulan tea, aloe tea, ginkgo leaf tea, oolong tea, curcuma tea, urajirogashi tea, Siberian ginseng tea, plantain tea, kakiodoshi tea, persimmon leaf tea, German chamomile tea, chamomile tea, Chamaecrista nomame tea, Chinese quince tea, chrysanthemum tea, gymnema tea, guava tea, Lycium tea, mulberry leaf tea, black soybean tea, geranium tea, brown rice tea, burdock tea, comfrey tea, kelp tea, sakura tea, saffron tea, shiitake tea, perilla tea, jasmine tea, ginger tea, horsetail tea, Japanese sweet flag tea, Swertia tea, buckwheat tea, Aralia elata tea, dandelion tea, sweet tea, Houttuyn
  • Rice varieties that are preferred for use include indica varieties (Indica type, continent-type, long-grain type), glaberrima varieties (African rice), sativa varieties (Asian rice), Javanica varieties ( Javanica type, tropical island type, large-grain varieties), Japonica varieties ( Japonica type, temperate island type, short-grain varieties), and NERICA (interspecies hybrid of Asian rice and African rice), and the rice can also be used in the form of flour or bran.
  • indica varieties Indica type, continent-type, long-grain type
  • glaberrima varieties African rice
  • sativa varieties Asian rice
  • Javanica varieties Javanica type, tropical island type, large-grain varieties
  • Japonica varieties Japonica type, temperate island type, short-grain varieties
  • NERICA internalspecies hybrid of Asian rice and African rice
  • the rice can also be used in the form of flour or bran.
  • Wheat varieties that are preferred for use include Setaria italica , oats (cultivated varieties of wild oat, oats), barley (barley), wild oats, millet, kodra (kodon millet), wheat (wheat), finger millet, teff, pearl millet, naked barley (barley variant), adlay (fruit, not seed), barnyard millet, fonio, wild rice, Mochi Mugi (mochi variety of barley), Sorghum bicolor (Indian millet, kaoliang, sorghum), corn, rye (rye), buckwheat, amaranth (amaranth, Amaranthus caudatus ), quinoa, and Fagopyrum tataricum.
  • Legume grains that are preferred for use include adzuki, carob, common bean, garden pea, pigeon pea, cluster bean, grass pea ( Lathyrus sativus ), black lentil, cowpea, winged bean, Macrotyloma geocarpum , fava bean, soybean, ricebean, jack bean, tamarind, tepary bean, sword bean, velvet beam ( Mucuna pruriens ), Vigna subterranea , chickpea, hyacinth bean, scarlet runner bean, horse gram ( Macrotyloma uniflorum ), moth bean, lima bean, peanut, mung bean, lupine, lentil, and lentil (almond).
  • Mushrooms that are preferred for use include matsutake, shiitake, Lactarius hatsudake, Lyophyllum shimeji , truffle, mushroom, and Agaricus campestris.
  • trunks, branches, bark, leaves, and roots of sugar cane which may be syrup of molasses
  • sugar beet beet
  • cypress pine, cedar, hiba, camellia, sandalwood, and other aromatic trees
  • Ferns, mosses, and the like can also be used as the non-tobacco material.
  • a byproduct, strained lees (sake lees or strained grape lees (comprising skin, seeds, stems, etc., of grapes)), or the like from production of sake, wine, or other fermented liquor can also be used.
  • Known herbal medicines are also preferred for use. Specific examples thereof include indigo (aisou), Rubia cordifolia root (akanekon), Mallotus bark (akamekashiwa), gambir (asenyaku), benzoin (ansokukou), Clematis root (ireisen), Artemisiae capillaris (inchinkou), fennel (uigyou), curcuma (turmeric), Prunus mume (ubai), Lindera root (uyaku), Quercus salicina (urajirogashi), bearberry leaf, rosae fructus (eijitsu), Corydalis tuber (engosaku), herba rabdosiae (enmeisou), Astragalus root (uogi), Scutellaria root (uogon), phellodendron bark (uobaku), Coptis rhizome (uoren), Pruni cortex (ouhi), Hypericum erectum (otogirisou), Polygal
  • an extract or so-called essence of a non-tobacco material can be used, and the extract may be in the form of a liquid, a starch syrup, a powder, granules, a solution, or the like.
  • Glycerin, propylene glycol, sorbitol, triethylene glycol, lactic acid, diacetin (glycerin diacetal), triacetin (glycerin triacetate), triethylene glycol diacetate, triethyl citrate, isopropyl myristate, methyl stearate, dimethyl dodecane dioate, dimethyl tetradecanedioate, or the like can be used as the aerosol former, but glycerin and propylene glycol are particularly preferred for use.
  • a commercially available product such as Divergan (registered trademark) produced by BASF SE or Polyclar (registered trademark) produced by ISP Inc., can be used without modification as the crosslinked PVP.
  • the aroma cartridge of the present invention provided with an aspiration optimization means, it is possible to overcome the problem of decreased aspiration quantity of a gas by a smoker due to blockage of gas flow passages within and between aroma-generating base materials to be heated, which is a problem that characteristically arises in an aroma cartridge that uses a non-tobacco material and does not use any tobacco component. Meanwhile, in the aroma cartridge provided with a gas-generation-maintaining material, a decrease in the released quantity of gas due to blockage of gas flow passages can be remedied, and it is possible to provide an aroma cartridge in which there is no dust generation or dislodgement of the non-tobacco material and other materials.
  • the aroma generator to be heated of the present invention in which inorganic particles are provided as the gas-generation-maintaining material, fusion of aroma-generating base materials to be heated is prevented, and it is possible to overcome the problem of inability to mount an aroma cartridge on the heating element of a heating-type smoking appliance when the aroma cartridge has been stored for a long time, as well as the problem of the heating element becoming damaged or contaminated.
  • FIG. 1 is a schematic diagram illustrating a general structure and steps (means) in a method (device) for producing a cylindrical aroma cartridge which can be mounted so as to contact a heating element of a heating-type smoking appliance in which an electrically controlled heating element is provided in a chamber, and whereby an aerosol smoke and a fragrance component generated due to heating by the heating element can be satisfyingly experienced.
  • FIG. 2A is a schematic diagram illustrating a heating-type smoking appliance in which a needle-shaped electrically controlled heating element is provided in a bottom of a chamber.
  • FIG. 2B is a schematic diagram illustrating the structure of a cylindrical aroma cartridge which is mounted in the heating-type smoking appliance of FIG. 2A and whereby an aerosol smoke and a fragrance component generated due to heating by the heating element can be satisfyingly experienced.
  • FIG. 2C is a schematic diagram of a state in which the aroma cartridge of FIG. 2B is mounted in the heating-type smoking appliance of FIG. 2A .
  • FIG. 3A is a schematic diagram illustrating a heating-type smoking appliance in which an electrically controlled heating element is provided on an external periphery of a chamber so as to surround an aroma cartridge.
  • FIG. 3B is a schematic diagram of a state in which the aroma cartridge of FIG. 2B is mounted in the heating-type smoking appliance of FIG. 3A .
  • FIG. 4 is an outline diagram illustrating the structure of a mouthpiece provided with an aspiration stabilization means of the present invention, and steps (means) of a production method (device) for producing an aroma cartridge by joining the mouthpiece to an aroma generator to be heated that is not provided with a gas-generation-maintaining material.
  • FIG. 5 is a schematic diagram illustrating a straight cylindrical aroma cartridge according to an embodiment of the present invention, in which an aroma generator to be heated and a mouthpiece are adjacent, the mouthpiece being constituted from a filter unit which filters a gas and in which a single cavity is formed, the cavity being straight cylindrical and being arranged in the filter from a longitudinal end part of the filter on an aroma-generator-to-be-heated side thereof so that center axes of straight cylinders of the filter and the cavity substantially coincide in the aroma cartridge.
  • FIG. 6 is a schematic diagram illustrating a straight cylindrical aroma cartridge according to an embodiment of the present invention, in which an aroma generator to be heated and a mouthpiece are adjacent, the mouthpiece being constituted from a filter unit which filters a gas and in which two cavities are formed, the cavities being straight cylindrical and being arranged in the filter from both longitudinal end parts of the filter so that center axes of straight cylinders of the filter and the cavities substantially coincide in the aroma cartridge.
  • FIG. 7 is a schematic diagram illustrating a straight cylindrical aroma cartridge according to an embodiment of the present invention, in which an aroma generator to be heated and a mouthpiece are adjacent, the mouthpiece being constituted from a filter unit which filters a gas and in which four cavities are formed, the cavities being straight cylindrical and being arranged in the filter from a longitudinal end part of the filter on an aroma-generator-to-be-heated side thereof, in rotationally symmetrical positions about the center axis of a straight cylinder existing in the longitudinal direction of the filter in the aroma cartridge.
  • FIG. 8 is a schematic diagram illustrating a straight cylindrical aroma cartridge according to an embodiment of the present invention, in which an aroma generator to be heated and a mouthpiece are adjacent, the mouthpiece being constituted from a filter unit which filters a gas and in which five cavities are formed, the cavities all being straight cylindrical in shape, four cavities being arranged in the filter from the longitudinal end part of the filter on the aroma-generator-to-be-heated side thereof, in rotationally symmetrical positions about the center axis of a straight cylinder existing in the longitudinal direction of the filter, and one cavity being arranged in the filter from the longitudinal end part on an opposite side of the filter from the aroma generator to be heated, such that the center axes of straight cylinders of the filter and the cavity substantially coincide in the aroma cartridge.
  • FIG. 9 is a schematic diagram illustrating a straight cylindrical aroma cartridge according to an embodiment of the present invention, in which an aroma generator to be heated and a mouthpiece are adjacent, the mouthpiece being constituted from a filter unit which filters a gas and in which a single cavity is formed, the cavity being right-circular conical and arranged in the filter from a longitudinal end part of the filter on an aroma-generator-to-be-heated side thereof so that a center axis of a straight cylinder of the filter and a center axis of a right circular cone of the cavity substantially coincide in the aroma cartridge.
  • FIG. 10 is a schematic diagram illustrating a straight cylindrical aroma cartridge according to an embodiment of the present invention, in which an aroma generator to be heated and a mouthpiece are adjacent, the mouthpiece being constituted from a filter unit which filters a gas and in which three cavities are formed, the cavities being right-circular conical and being arranged in the filter from a longitudinal end part of the filter on an aroma-generator-to-be-heated side thereof, in rotationally symmetrical positions about a center axis of a straight cylinder existing in the longitudinal direction of the filter in the aroma cartridge.
  • FIG. 11 is a schematic diagram illustrating a straight cylindrical aroma cartridge according to an embodiment of the present invention, in which a mouthpiece constituted from a filter which filters a gas and in which a single cavity is formed, and a void formed by a cartridge exterior body, is configured so that an aroma generator to be heated and the filter are adjacent, the cavity being straight cylindrical and being arranged in the filter from a longitudinal end part of the filter on the aroma-generator-to-be-heated side thereof so that center axes of straight cylinders of the filter and the cavity substantially coincide.
  • FIG. 12 is a schematic diagram illustrating a straight cylindrical aroma cartridge according to an embodiment of the present invention, in which a mouthpiece constituted from a filter which filters a gas and in which four cavities are formed, and a void formed by a cartridge exterior body, is configured so that an aroma generator to be heated and the filter are adjacent, the cavities being straight cylindrical and being arranged in the filter from a longitudinal end part of the filter on the aroma-generator-to-be-heated side thereof, in rotationally symmetrical positions about a center axis of a straight cylinder existing in the longitudinal direction of the filter in the aroma cartridge.
  • FIG. 13 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from a cylindrical support member which is adjacent to the aroma generator to be heated and which prevents the aroma generator to be heated from moving toward the mouthpiece, and a filter which filters a gas and in which a single cavity is formed, the filter being adjacent to the cylindrical support member, the cavity being arranged so that center axes of straight cylinders of the filter and the cavity substantially coincide at both longitudinal end parts of the filter.
  • FIG. 14 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from a cylindrical support member which is adjacent to the aroma generator to be heated and which prevents the aroma generator to be heated from moving toward the mouthpiece, a cylindrical cooling member which is adjacent to the support member and which cools a component that is volatilized upon heating of the aroma generator to be heated, and a filter which filters a gas and in which a single cavity adjacent to the cooling member is formed, the cavity being arranged so that center axes of straight cylinders of the filter and the cavity substantially coincide at both longitudinal end parts of the filter.
  • FIG. 15 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from a cylindrical cooling member which is adjacent to an aroma generator to be heated and which cools a component that is volatilized upon heating of the aroma generator to be heated, and a filter which filters a gas and in which a single cavity adjacent to the cooling member is formed, the cavity being arranged so that center axes of straight cylinders of the filter and the cavity substantially coincide at both longitudinal end parts of the filter.
  • FIG. 16 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from a support member which is adjacent to the aroma generator to be heated and which prevents the aroma generator to be heated from moving toward the mouthpiece, and a filter which is adjacent to the support member and which filters a gas, an aspiration optimization means being a single plate-shaped reinforcing material which is in contact with an inner wall of a through hole in the support member, the through hole being formed so that center axes of the support member and a straight cylinder of the through hole substantially coincide, and the reinforcing material being fixedly or movably arranged in the through hole, and having axes of the support member and the through hole in a plane thereof.
  • an aspiration optimization means being a single plate-shaped reinforcing material which is in contact with an inner wall of a through hole in the support member, the through hole being formed so that center axes of the support member and a
  • FIG. 17 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from a support member which is adjacent to the aroma generator to be heated and which prevents the aroma generator to be heated from moving toward the mouthpiece, and a filter which is adjacent to the support member and which filters a gas, an aspiration optimization means being two plate-shaped reinforcing materials which are in contact with an inner wall of a through hole in the support member, the through hole being formed so that center axes of the support member and a straight cylinder of the through hole substantially coincide, and the reinforcing materials being fixedly or movably arranged in an intersecting manner in the through hole, and having axes of the support member and the through hole in a plane thereof.
  • an aspiration optimization means being two plate-shaped reinforcing materials which are in contact with an inner wall of a through hole in the support member, the through hole being formed so that center axes of the support member and
  • FIG. 18 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from a support member which is adjacent to the aroma generator to be heated and which prevents the aroma generator to be heated from moving toward the mouthpiece, and a filter which is adjacent to the support member and which filters a gas, an aspiration optimization means being fixedly or movably arranged in a through hole of the support member which is formed so that center axes of the support member and a straight cylinder of the through hole substantially coincide, and being constituted from a tubular reinforcing material which is a concentric circular tube having a radius smaller than a radius of the through hole and which has substantially the same axis as the through hole, and four plate-shaped reinforcing materials provided on an external peripheral side of the tubular reinforcing material in a shape so as to contact an inner wall of the through hole in a radial direction of the concentric circular tube.
  • FIG. 19 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a solid concentric cylindrical reinforcing material is used instead of the hollow tubular reinforcing material formed by a concentric circular tube in FIG. 18 .
  • FIG. 20 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from: a reinforcing support member provided with a shape reinforcement material, the reinforcing support member being adjacent to the aroma generator to be heated and preventing the aroma generator to be heated from moving toward the mouthpiece; and a filter which is adjacent to the reinforcing support member and which filters a gas, and in which a single cavity is formed; the cavity being arranged in a longitudinal end part of the filter on the aroma-generator-to-be-heated side thereof so that center axes of straight cylinders of the filter and the cavity substantially coincide, and an aspiration optimization means being fixedly or movably arranged in a through hole of the support member which is formed so that center axes of the support member and a straight cylinder of the through hole substantially coincide, and being constituted from a tubular reinforcing material which is a hollow concentric cylinder having a radius
  • FIG. 21 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from: a reinforcing support member provided with a shape reinforcement material, the reinforcing support member being adjacent to the aroma generator to be heated and preventing the aroma generator to be heated from moving toward the mouthpiece; a cylindrical cooling member which is adjacent to the reinforcing support member and which cools a component that is volatilized upon heating of the aroma generator to be heated; and a filter which is adjacent to the cooling member and which filters a gas, and in which a single cavity is formed; the cavity being arranged in a longitudinal end part of the filter on the aroma-generator-to-be-heated side thereof so that center axes of straight cylinders of the filter and the cavity substantially coincide, and an aspiration optimization means being fixedly or movably arranged in a through hole of the support member which is formed so that center axes of the support member and a straight
  • FIG. 22 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from a heat insulation material which is adjacent to the aroma generator to be heated and is an aspiration optimization means, and a filter which is adjacent to the heat insulation material and which filters a gas.
  • FIG. 23 is a schematic diagram illustrating an aroma cartridge according to an embodiment of the present invention, in which a mouthpiece is adjacent to an aroma generator to be heated, the mouthpiece being constituted from a heat insulation material which is adjacent to the aroma generator to be heated and is an aspiration optimization means, a cylindrical cooling member which is adjacent to the heat insulation member and which cools a component that is volatilized upon heating of the aroma generator to be heated, and a filter which is adjacent to the cooling member and which filters a gas.
  • FIG. 24 is a partial schematic diagram of an aroma generator to be heated of an aroma cartridge according to an embodiment of the present invention, in which a cover material and a partition wall material as aspiration optimization means are arranged in both end parts of the aroma generator to be heated.
  • FIG. 25A is a schematic diagram of an aroma-generating sheet to be heated according to an embodiment of the present invention.
  • FIG. 25B is a schematic diagram of an aroma-generating filler to be heated according to an embodiment of the present invention.
  • FIG. 26A is a schematic diagram illustrating an aroma generator to be heated according to an embodiment of the present invention, in which a folded aroma-generating sheet to be heated is used.
  • FIG. 26B is a schematic diagram illustrating an aroma generator to be heated according to an embodiment of the present invention, in which a wound aroma-generating sheet to be heated is used.
  • FIG. 26C is a schematic diagram illustrating an aroma generator to be heated according to an embodiment of the present invention, in which an aroma-generating filler to be heated is used.
  • FIG. 27 is a flow chart outlining steps (means) for producing an aroma-generating base material to be heated, and a flow chart outlining steps (means) of a production method (device) for producing an aroma generator to be heated, according to an embodiment of the present invention
  • the aroma-generating base material to be heated being produced from: a dry mixing step (means) for mixing a dried and pulverized non-tobacco material; a first wet mixing step (means) for mixing the non-tobacco material produced in the dry mixing step (means) and a material selected from an aerosol former, a binder or thickener, crosslinked PVP, a perfume, a non-tobacco material extract, ⁇ -cyclodextrin, microcrystalline cellulose, and an antimicrobial preservative in a mixture of alcohol and pure water; a second wet mixing step (means) for producing a slurry including the non-tobacco material, etc., by adding additional pure water and/or alcohol to the mixture of alcohol and pure
  • FIG. 28 is a flow chart outlining steps (means) for producing an aroma-generating base material to be heated, and a flow chart outlining steps (means) of a production method (device) for producing an aroma generator to be heated, according to an embodiment of the present invention
  • the aroma-generating base material to be heated being produced from: a dry mixing step (means) for mixing a dried and pulverized non-tobacco material; a first wet mixing step (means) for mixing the non-tobacco material produced in the dry mixing step (means) and a material selected from an aerosol former, a binder or thickener, crosslinked PVP, a perfume, a non-tobacco material extract, ⁇ -cyclodextrin, microcrystalline cellulose, and an antimicrobial preservative in a mixture of alcohol and pure water; a second wet mixing step (means) for producing a slurry including the non-tobacco material, etc., by adding additional pure water and/or alcohol to the mixture of alcohol and pure
  • FIG. 29 is a flow chart outlining steps (means) for producing an aroma-generating base material to be heated, and a flow chart outlining steps (means) of a production method (device) for producing an aroma generator to be heated, according to an embodiment of the present invention
  • the aroma-generating base material to be heated being produced from: a wet mixing step (means) for producing a slurry of a non-tobacco material by mixing a dried and pulverized non-tobacco material with pure water; a paper-making step (means) for producing a water-containing sheet from the slurry produced by the wet mixing step (means); a sheet molding step (means) for compressing or casting the water-containing sheet to obtain a sheet; a drying step (means) for reducing the moisture content of the sheet produced by the sheet molding step (means) to less than 50% by mass; an absorption and adsorption step (means) for coating the sheet produced by the drying step (means) with, or dipping the sheet into,
  • FIG. 30 is a flow chart outlining steps (means) for producing an aroma-generating base material to be heated, and a flow chart outlining steps (means) of a production method (device) for producing an aroma generator to be heated, according to an embodiment of the present invention
  • the aroma-generating base material to be heated being produced from: a non-tobacco-material preparation step (means) for drying and pulverizing a non-tobacco material; a perfume and/or non-tobacco extract mixing step (means) for mixing at least a perfume and/or a non-tobacco material extract and crosslinked PVP and/or ⁇ -cyclodextrin in alcohol to cause the perfume and/or non-tobacco extract to reside in the crosslinked PVP and/or ⁇ -cyclodextrin; an aerosol former dissolving step (means) for mixing at least an aerosol former and a binder or thickener with pure water; a wet mixing step (means) for mixing a material produced by the non-
  • FIG. 31 is a flow chart outlining steps (means) for producing an aroma-generating base material to be heated, and a flow chart outlining steps (means) of a production method (device) for producing an aroma generator to be heated, according to an embodiment of the present invention
  • the aroma-generating base material to be heated being produced from: a first wet mixing step (means) for mixing a dried and pulverized non-tobacco material, a first binder aqueous solution in which a first binder is dissolved in pure water, and a material selected from an aerosol former, crosslinked PVP, a perfume, a non-tobacco extract, ⁇ -cyclodextrin, microcrystalline cellulose, and an antimicrobial preservative; an aging step (means) for stabilizing a mixture produced by the first wet mixing step (means); a second wet mixing step (means) for mixing an aged mixture produced by the aging step (means) and a second binder aqueous solution in which a second bin
  • FIG. 32 is a flow chart outlining steps (means) for producing an aroma-generating base material to be heated, and a flow chart outlining steps (means) of a production method (device) for producing an aroma generator to be heated, according to an embodiment of the present invention
  • the aroma-generating base material to be heated being produced from: a step (means) for drying/pulverizing and then dry-mixing a non-tobacco material to prepare a non-tobacco material; a step (means) for preparing raw materials selected from an aerosol former, a binder, an adhesion inhibitor, a perfume, a non-tobacco material extract, an antimicrobial preservative, etc.; a step (means) for preparing pure water and an alcohol; a wet mixing step (means) for mixing the prepared ingredients at once; a paper-making step (means) for producing a water-containing sheet from a slurry produced by wet mixing; a molding step (means) for compressing or casting the resultant water
  • FIG. 33 is a schematic view illustrating steps (means) of a production method (device) for producing an aroma cartridge in which an aroma generator to be heated that is provided with a gas-generation-maintaining material, and a mouthpiece that is not provided with an aspiration optimization means are joined.
  • FIG. 1 is a schematic diagram illustrating the general structure and the steps (means) in a method (device) for producing a cylindrical aroma cartridge which can be mounted so as to contact a heating element of a heating-type smoking appliance in which an electrically controlled heating element is provided in a chamber, and whereby an aerosol smoke and a fragrance component generated due to heating by the heating element can be satisfyingly experienced.
  • the aroma cartridge of the present invention has basically the same structure and is assembled in the same manner except that no tobacco component is used as an aroma generator to be heated, which is heated by the heating element to generate an aerosol to be released.
  • the aroma cartridge of the present invention in a state in which a mouthpiece and an aroma generator to be heated, in which an aroma-generating base material to be heated comprising, inter alia, a non-tobacco material and an aerosol former is wound, are adjacent in a longitudinal direction of mounting so that the aroma generator to be heated is in contact with the electrically controlled heating element, the mouthpiece and the aroma generator to be heated are connected in a state in which a cartridge exterior body is wound on the outsides thereof.
  • FIGS. 2 and 3 a state in which an aroma cartridge of such description is mounted in a heating-type smoking appliance and smoked is illustrated for two forms of heating elements.
  • FIGS. 2 and 3 a state in which an aroma cartridge of such description is mounted in a heating-type smoking appliance and smoked is illustrated for two forms of heating elements.
  • the mechanism whereby the aroma cartridge is mounted in a heating-type smoking appliance and enjoyed is illustrated.
  • FIG. 2A is a schematic cross-sectional view of an electric heating-type smoking appliance ( 1 ) 11 comprising a needle-shaped electrically controlled heating element 113 provided in a bottom of a chamber 112 housed in a casing 111 .
  • FIG. 2B is a schematic cross-sectional view of an aroma cartridge 2 , in which an aroma generator 21 to be heated on which an interior material 21 - p is wound, and a mouthpiece 22 on which an interior material 22 - p is wound are wrapped by a cartridge exterior body 23 and connected adjacent to each other in a longitudinal direction of the heating-type smoking appliance ( 1 ) 11 .
  • FIG. 2C illustrates a state in which a smoker aspirates the aroma cartridge 2 using the electric heating-type smoking appliance ( 1 ) 11 .
  • the aroma-generator 21 to-be-heated side of the aroma cartridge 2 illustrated in FIG. 2B is inserted in the chamber 112 , and the aroma generator 21 to be heated is impaled on the electrically controlled heating element 113 .
  • the electrically controlled heating element 113 is heated in accordance with a signal of an electric control unit not shown in the drawing, and an aerosol smoke and a fragrance component are released from the aroma generator 21 to be heated, and are aspirated.
  • FIG. 3A is a schematic cross-sectional view of an electric heating-type smoking appliance ( 2 ) 12 comprising an electrically controlled heating element 123 provided on an external periphery of a chamber 122 housed in a casing 121 .
  • FIG. 3B illustrates a state in which a smoker aspirates the aroma cartridge 2 using the electric heating-type smoking appliance ( 2 ) 12 .
  • the aroma-generator 21 to-be-heated side of the aroma cartridge 2 illustrated in FIG. 3B is inserted in the chamber 122 from an aroma cartridge insertion port 124 , the aroma generator 21 to be heated is surrounded by the electrically controlled heating element 123 .
  • the electrically controlled heating element 123 is heated in accordance with a signal of an electric control unit 1231 , and an aerosol smoke and a fragrance component are released from the aroma generator 21 to be heated, and are aspirated.
  • the smoker aspirates, air enters from an inlet hole 125 as indicated by arrows W, and the aerosol former and the fragrance component volatilized from the aroma generator 21 to be heated are carried to the mouthpiece 22 and aspirated into the mouth of the smoker. The smoke is cooled in the mouthpiece 22 and aspirated as an aerosol.
  • an advantage of an aroma cartridge constituted solely from non-tobacco materials is that substances harmful to the human body, tar, and nicotine are not generated, and it is possible to enjoy various tastes such as coffee, cola, Red Bull, and other beverages; chocolate, vanilla, cream, and other desserts; orange, lemon, melon, and other fruits; and menthol, mint, herbs, and other algefacients.
  • an aroma cartridge has problems that arise as a consequence of using a wide variety of non-tobacco materials for releasing various flavors as substitutes for a tobacco material, which includes a large quantity of fibers.
  • an aerosol-forming body that includes a tobacco material
  • fibers of the tobacco material maintain an aggregated state thereof and hinder fusion and falling out of the tobacco material.
  • the aroma-generating base material to be heated which includes a non-tobacco material that does not include a large quantity of fibers, a large amount of a binder or the like for performing the function of fibers must be blended therein to stably maintain an aggregated state.
  • the density of the aroma-generating base material to be heated is therefore increased, gas flow passages are blocked, and aspiration of aspirated components becomes difficult, resulting in a reduced aspiration quantity.
  • the aerosol former is glycerin, propylene glycol, or the like, which is liquid at normal temperature, bleed-out of the aerosol former over time from the aroma-generating base material to be heated increases the larger the amount of the binder is, and aroma-generating base materials to be heated fuse together. Gas flow passages are therefore blocked, and aspiration of the fragrance component becomes difficult, resulting in a reduced aspiration quantity.
  • the heating element can also be damaged.
  • the non-tobacco material falls out or forms dust or the like, it is difficult to maintain the aroma cartridge in a rigid form, and the aroma cartridge sometimes breaks when inserted on the heating element. Pieces thereof may also be aspirated into the mouth.
  • An object of the present invention is to provide a means for solving the aforementioned problems.
  • the present invention provides a means for keeping gas flow passages clear and preventing a decrease in aspiration quantity.
  • a solution method that significantly changes blending ratios or a composition used to form the aroma-generating base material to be heated cannot be employed, due to the need to maintain generation of a smoke-forming aerosol or generation of the fragrance component released from the non-tobacco material. Therefore, the present invention provides a means for solving the aforementioned problems by two different approaches.
  • the first approach is a physical means for solving the aforementioned problems that focuses on, inter alia, configuring the aroma cartridge, and on the mouthpiece structure, which has a marked effect on the aspiration quantity.
  • Another approach is a chemical means for solving the aforementioned problems that focuses on, inter alia, the method (device) for producing the aroma-generating base material to be heated, and on a filling state thereof.
  • the physical means for solving the aforementioned problems is to provide an aroma cartridge comprising an aspiration optimization means for enhancing the aspiration quantity of the mouthpiece, and provides an aroma cartridge comprising an aspiration optimization means for preventing a decrease in the aspiration quantity by capturing dislodged material or dust of the non-tobacco material and other materials of the aroma generator to be heated.
  • the physical means provides a filter constituting the mouthpiece, a support body which constitutes the mouthpiece and prevents the aroma generator to be heated from moving toward the mouthpiece, and an aroma cartridge in which a cavity for enhancing the aspiration quantity by enlarging a gas flow passage, a shape reinforcement member for preventing a decrease in aspiration quantity due to deformation, and a heat insulation material for preventing a joined part from being damaged by heat diffusion are each provided as aspiration optimization means in the mouthpiece.
  • the physical means also provides an aroma cartridge in which a cover material and/or a partition wall material for preventing and capturing dislodged material or dust of the non-tobacco material are provided as aspiration optimization means in the aroma generator to be heated.
  • the chemical means for solving the aforementioned problems is to provide an aroma cartridge comprising a gas-generation-maintaining material that does not reduce the aspiration quantity of the aroma generator to be heated. More specifically, the chemical means provides an aroma cartridge in which the aroma generator to be heated is provided with, as gas-generation-maintaining materials, an aroma-generating base material to be heated in which an internal structure thereof is improved by the method (device) used to produce the same, an aroma-generating base material to be heated in which a blended amount thereof is optimized, inorganic particles present within and/or on a surface of the aroma-generating base material to be heated, and an aroma-generating base material to be heated in which a filling ratio thereof is improved.
  • FIG. 4 illustrates a configuration of an aroma cartridge in which an aroma generator to be heated that is not provided with a gas-generation-maintaining material, and a mouthpiece that is not provided with an aspiration optimization means are joined
  • FIG. 33 illustrates a configuration of an aroma cartridge in which an aroma generator to be heated that is provided with a gas-generation-maintaining material, and a mouthpiece that is not provided with an aspiration optimization means are joined.
  • FIG. 5 is a schematic diagram illustrating an aroma cartridge 2 - 1 according to an embodiment of the present invention, in which an aroma generator 21 to be heated and a mouthpiece 221 - 1 are adjacent, the mouthpiece 221 - 1 being constituted from a filter unit 221 - 1 which filters a gas and in which a single cavity 221 - 1 - c 1 is formed, and the aroma generator 21 to be heated and the mouthpiece 221 - 1 are joined by a cartridge exterior body 23 which is wound thereon, the cavity 221 - 1 - c 1 being arranged in the filter 221 - 1 in a longitudinal end part of the filter 221 - 1 on the aroma-generator 21 to-be-heated side thereof so that center axes of straight cylinders of the filter 221 - 1 and the cavity 221 - 1 - c 1 substantially coincide in the aroma cartridge 2 - 1 .
  • an outside diameter of the aroma cartridge, the aroma generator to be heated, and the mouthpiece are determined by the heating-type smoking appliance ( 1 ) 11 or ( 2 ) 12 , as indicated in FIGS. 2 and 3 , and therefore may be appropriately set.
  • an outside diameter j and a length k of the aroma cartridge are respectively 6.9 mm and 45 mm
  • a length a of the aroma generator to be heated is 12 mm
  • a length c 1 , an inside diameter b 1 , and a surface area of the cavity are preferably 10-25 mm, 1-4 mm, and 34.54-326.54 mm 2 , respectively.
  • a straight cylindrical cavity having a length c 1 of 20 mm and an inside diameter of 3 mm is formed.
  • a straight cylindrical cavity is illustrated as the most preferred shape of the cavity, but the shape of the cavity may also be oblique cylindrical, and is not limited.
  • the cavity need only be a hole that does not penetrate through the filter, and, in consideration of workability and uniform aspiration of gas into the mouth, the hole preferably has a shape that is symmetrical about the center axis of the filter.
  • the hole preferably has a triangular column shape, a square column shape, a pentagonal column shape, or other column shape, a conical shape ( FIG. 9 ), or a trigonal pyramid shape, a square pyramid shape, a pentagonal pyramid shape, or other spindle shape.
  • the cavity in FIG. 5 is formed in the longitudinal end part of the filter on the aroma-generator-to-be-heated side thereof, but the cavity may also be formed in the end part on the opposite side from said end part.
  • FIG. 6 is a schematic diagram illustrating an aroma cartridge 2 - 2 according to an embodiment of the present invention, in which an aroma generator 21 to be heated and a mouthpiece 221 - 2 are adjacent, the mouthpiece 221 - 2 being constituted from a filter unit 221 - 2 which filters a gas and in which two cavities 221 - 2 - c 2 and 221 - 2 - c 3 are formed, and the aroma generator 21 to be heated and the mouthpiece 221 - 2 are joined by a cartridge exterior body 23 which is wound thereon, the cavities 221 - 2 - c 2 and 221 - 2 - c 3 being arranged in the filter 221 - 2 in both longitudinal end parts of the filter 221 - 2 so that center axes of straight cylinders of the filter 221 - 2 and the cavities 221 - 2 - c 2 substantially coincide in the aroma cartridge 2 - 2 .
  • lengths c 2 and c 3 are preferably 5-15 mm and outside diameters b 2 and b 3 are preferably 1-3.5 mm, and a total surface area is preferably 34.54-326.54 mm 2 .
  • the shape of the cavities is as described above using FIG. 5 .
  • FIG. 7 is a schematic diagram illustrating a straight cylindrical aroma cartridge 2 - 3 according to an embodiment of the present invention, in which an aroma generator 21 to be heated and a mouthpiece 221 - 3 are adjacent, the mouthpiece 221 - 3 being constituted from a filter unit 221 - 3 which filters a gas and in which four cavities 221 - 3 - c 4 are formed, and the aroma generator 21 to be heated and the mouthpiece 221 - 3 are joined by a cartridge exterior body 23 which is wound thereon, the cavities 221 - 3 - c 4 being straight cylindrical and being arranged in the filter 221 - 3 from the longitudinal end part of the filter 221 - 3 on the aroma-generator 21 to-be-heated side thereof, in rotationally symmetrical positions about the center axis of a straight cylinder existing in the longitudinal direction of the filter 221 - 3 in the aroma cartridge 2 - 3 .
  • FIG. 7 illustrates a case in which four cavities are formed as a preferred example, but this configuration is not limiting, and the number of cavities need only be two or more.
  • the number and size of the cavities are set as appropriate for obtaining a balance between aspiration quantity and filter strength, the same as described above using FIG. 6 , but are preferably set so as to obtain a total surface area of 34.54-326.54 mm 2 .
  • the shape is as described above using FIG. 5 .
  • the cavities in FIG. 7 are formed in the longitudinal end part of the filter on the aroma-generator-to-be-heated side thereof, but the cavities may also be formed in the end part on the opposite side from said end part.
  • FIG. 8 is a schematic diagram illustrating a straight cylindrical aroma cartridge 2 - 4 according to an embodiment of the present invention, in which an aroma generator 21 to be heated and a mouthpiece 221 - 4 are adjacent, the mouthpiece 221 - 4 being constituted from a filter unit 221 - 4 which filters a gas and in which five cavities 221 - 4 - c 5 and 221 - 4 - c 6 are formed, and the aroma generator 21 to be heated and the mouthpiece 221 - 4 are joined by a cartridge exterior body 23 which is wound thereon, the cavities all being straight cylindrical in shape, the four cavities 221 - 4 - c 5 being arranged in the filter from the longitudinal end part of the filter 221 - 4 on the aroma-generator 21 to-be-heated side thereof, in rotationally symmetrical positions about the center axis of a straight cylinder existing in the longitudinal direction of the filter 221 - 4 , and the one cavity 221 - 4 - c 6 being arranged in the filter from the longitudinal end
  • FIG. 8 an example is illustrated in which there are four cavities 221 - 4 - c 5 in the end part on the aroma-generator-to-be-heated side of the filter and the fifth cavitie 221 - 4 - c 6 on the opposite side thereof, but the number and shape of the cavities are not limited. As described using FIG. 6 above, the number and size of the cavities are set as appropriate for obtaining a balance between aspiration quantity and filter strength, and are preferably set so as to obtain a total surface area of 34.54-326.54 mm 2 . The shape of the cavities is as described above using FIG. 5 .
  • FIG. 9 illustrates a modification of the cavity shape, in which the cavity in the aroma cartridge 2 - 1 shown in FIG. 5 is configured as a right circular conical cavity 221 - 5 - d 1 .
  • the right circular conical cavity can be designed so that the dimensions thereof give a surface area of 34.54-326.54 mm 2 .
  • the cavity in FIG. 9 is formed in the longitudinal end part of the filter on the aroma-generator 21 to-be-heated side thereof, but the cavity may also be formed in the end part on the opposite side from said end part.
  • FIG. 10 also illustrates a modification of the cavity shape, in which the cavities in the aroma cartridge 2 - 3 shown in FIG. 7 are configured as three right circular conical cavities 221 - 6 - d 2 .
  • the number and dimensions of the right circular conical cavities can be designed so as to give a surface area of 34.54-326.54 mm 2 .
  • the cavities in this case are also formed in the longitudinal end part of the filter on the aroma-generator-to-be-heated side thereof, but the cavities may also be formed in the end part on the opposite side from said end part.
  • FIG. 11 is a schematic diagram illustrating a straight cylindrical aroma cartridge 2 - 7 according to an embodiment of the present invention, in which an aroma generator 21 to be heated and a mouthpiece 221 - 7 are joined by a cartridge exterior body 24 which is wound thereon, the mouthpiece being constituted from a filter 2211 which filters a gas and in which a single cavity 221 - 7 - c 7 is formed, and a void 221 - 7 - v 1 formed by the cartridge exterior body 24 , and the aroma generator 21 to be heated and the filter 2211 being adjacent, the cavity 221 - 7 - c 7 being straight cylindrical and being arranged in the filter 2211 from a longitudinal end part of the filter 2211 on the aroma-generator 21 to-be-heated side thereof so that center axes of straight cylinders of the filter 2211 and the cavity 221 - 7 - c 7 substantially coincide.
  • the aroma generator to be heated and the filter are adjacent to each other, but this arrangement is not limiting, and the aroma generator to be heated and the void may instead be adjacent to each other.
  • the aspiration quantity increases due to the smaller length f of the filter, the number and size of cavities formed in the filter, i.e., the surface area of the filter, can be reduced.
  • the thickness of a PE, PP, or other polyolefin resin, PET resin, CA resin, polylactic acid (PLA) or the like, and paper or the like serving as a material for the cartridge exterior body may be increased, as appropriate, in accordance with the material properties thereof.
  • FIG. 12 is a schematic diagram illustrating a straight cylindrical aroma cartridge 2 - 8 in which a mouthpiece 221 - 8 constituted from a filter 2212 which filters a gas and in which four cavities 221 - 8 - c 8 are formed, and a void 221 - 8 - v 2 formed by a cartridge exterior body, is configured so that an aroma generator 21 to be heated and the filter 2212 are adjacent, the cavities 221 - 8 - c 8 being straight cylindrical and being arranged in the filter 2212 from the longitudinal end part of the filter 2212 on the aroma-generator 21 to-be-heated side thereof, in rotationally symmetrical positions about the center axis of a straight cylinder existing in the longitudinal direction of the filter 2212 .
  • the aroma generator to be heated and the void may be adjacent to each other, and because the length f of the filter is decreased and the aspiration quantity increases, the number and size of cavities formed in the filter, i.e., the surface area of the filter, can be reduced.
  • the strength of the cartridge exterior body is the same as in FIG. 11 .
  • Such a filter provided with a cavity is extremely effective also as an aspiration optimization means for solving the problem of reduced aspiration quantity in the conventional mouthpiece provided with a support member and/or cooling member.
  • FIG. 13 is a schematic diagram illustrating an aroma cartridge 2 - 9 according to an embodiment of the present invention.
  • a mouthpiece 222 is adjacent to an aroma generator 21 to be heated, the mouthpiece 222 being provided with: a cylindrical support member 2221 for preventing the aroma generator 21 to be heated from moving toward the mouthpiece 222 ; and a filter 2222 which filters a gas and in which a single cavity 2222 - c 1 is formed, the filter 2222 being adjacent to the cylindrical support member 2221 ; the mouthpiece 222 and the aroma generator 21 to be heated are joined by the cartridge exterior body 24 , which is wound thereon, and the cavity 2222 - c 1 is arranged in the filter 2222 from a longitudinal end part of the filter 2222 on the support member 2221 side thereof so that center axes of straight cylinders of the filter 2222 and the cavity 2222 - c 1 substantially coincide.
  • the number, size, and shape of cavities are not limited by FIG. 13 , and the configurations thereof illustrated in FIGS. 6-10 may also be
  • FIG. 14 is a schematic diagram illustrating an aroma cartridge 2 - 10 according to an embodiment of the present invention.
  • a mouthpiece 223 is adjacent to the aroma generator 21 to be heated, the mouthpiece 223 being provided with a cylindrical support member 2231 for preventing the adjacent aroma generator 21 to be heated from moving toward a mouthpiece 223 , a cylindrical cooling member 2232 which is adjacent to the support member and which cools a component that is volatilized upon heating of the aroma generator 21 to be heated, and a filter 2223 which filters a gas and which has a single cavity 2223 - c 1 adjacent to the cooling member 2232 , and the mouthpiece 223 and the aroma generator 21 to be heated are joined by the cartridge exterior body 23 , which is wound thereon.
  • the cavity 2223 - c 1 is arranged in the filter 2223 from a longitudinal end part of the filter 2223 on the cooling member 2232 side thereof so that center axes of straight cylinders of the filter 2223 and the cavity 2223 - c 1 substantially coincide.
  • the number, size, and shape of cavities are not limited by FIG. 14 , and the configurations thereof illustrated in FIGS. 6-10 may also be applied.
  • FIG. 15 is a schematic diagram illustrating an aroma cartridge 2 - 11 according to an embodiment of the present invention.
  • a mouthpiece 224 is adjacent to the aroma generator 21 to be heated, the mouthpiece 224 being provided with a cylindrical cooling member 2241 for cooling a component that is volatilized upon heating of the adjacent aroma generator 21 to be heated, and a filter 2242 which filters a gas and which has a single cavity 2242 - c 1 adjacent to the cooling member 2241 , and the mouthpiece 224 and the aroma generator 21 to be heated are joined by the cartridge exterior body 23 , which is wound thereon.
  • the cavity 2242 - c 1 is arranged in the filter 2242 from a longitudinal end part of the filter 2242 on the cooling member 2241 side thereof so that center axes of straight cylinders of the filter 2242 and the cavity 2242 - c 1 substantially coincide.
  • the number, size, and shape of cavities are not limited by FIG. 15 , the configurations thereof illustrated in FIGS. 6-10 may also be applied, and the number and size of cavities can be designed, as appropriate, in accordance with the structure of the cooling member.
  • a mouthpiece shape reinforcement member serves as the aspiration optimization means.
  • FIG. 16 is a schematic diagram illustrating an aroma cartridge 2 - 12 according to an embodiment of the present invention for preventing deformation of a mouthpiece.
  • a mouthpiece 225 - 1 is adjacent to the aroma generator 21 to be heated, the mouthpiece 225 - 1 being provided with a support member 2251 - 1 for preventing the adjacent aroma generator 21 to be heated from moving toward the mouthpiece 225 - 1 , and a filter 2252 - 1 which is adjacent to the support member 2251 - 1 and which filters a gas, and the mouthpiece 225 - 1 and the aroma generator 21 to be heated are joined by the cartridge exterior body 23 , which is wound thereon.
  • the aspiration optimization means in this case is a single plate-shaped reinforcing material 2252 - 1 - s 1 which is in contact with an inner wall of a through hole 2251 - 1 - h , and which is fixedly or movably arranged in the through hole 2251 - 1 - h formed so that the center axis of a straight cylinder thereof is substantially the same as the center axis of the support member 2251 - 1 , the reinforcing material 2252 - 1 - s 1 having said center axes in a plane thereof.
  • the support member is thus supported from inside the through hole by the plate-shaped reinforcing material, and it is thereby possible to prevent deformation of the support member and prevent a decrease in aspiration quantity.
  • Grooves may be formed in the through hole, and the plate-shaped reinforcing material may be fixed therein with an adhesive, for example, or the plate-shaped reinforcing material may simply be fitted in the through hole so as to be movable, but other methods can be used.
  • FIG. 17 is a schematic diagram illustrating an aroma cartridge 2 - 13 according to an embodiment of the present invention for preventing deformation of a mouthpiece.
  • a mouthpiece 225 - 2 is adjacent to the aroma generator 21 to be heated, the mouthpiece 225 - 2 being provided with a support member 2251 - 2 for preventing the adjacent aroma generator 21 to be heated from moving toward the mouthpiece 225 - 2 , and a filter 2252 - 2 which is adjacent to the support member 2251 - 2 and which filters a gas, and the mouthpiece 225 - 2 and the aroma generator 21 to be heated are joined by a cartridge exterior body, which is wound thereon.
  • the aspiration optimization means is a plate-shaped reinforcing material 2251 - 2 - s 2 which is included in a reinforcing support member 225 - 2 , and in which two plate-shaped members in contact with an inner wall of a through hole 2251 - 2 - h intersect, and the plate-shaped reinforcing material 2251 - 2 - s 2 is fixedly or movably arranged in the through hole 2251 - 2 - h formed so that the center axis of a straight cylinder thereof is substantially the same as the center axis of the support member 2251 - 2 , the reinforcing material 2251 - 2 - s 2 having said center axes in a plane thereof.
  • This plate-shaped reinforcing material can prevent deformation more strongly than the plate-shaped reinforcing material shown in FIG. 16 , and it is therefore possible to further increase the length of the support member and prevent a decrease in aspiration quantity.
  • the method illustrated in FIG. 16 can be applied without modification as the method for fixedly or movably arranging the support member, but other methods can be used.
  • FIG. 18 is a schematic diagram illustrating an aroma cartridge 2 - 14 according to an embodiment of the present invention for preventing deformation of a mouthpiece.
  • a mouthpiece 225 - 3 is adjacent to the aroma generator 21 to be heated, the mouthpiece 225 - 3 being provided with a support member 2251 - 3 for preventing the adjacent aroma generator 21 to be heated from moving toward the mouthpiece 225 - 3 , and a filter 2252 - 3 which is adjacent to the support member 2251 - 3 and which filters a gas, and the mouthpiece 225 - 3 and the aroma generator 21 to be heated are joined by a cartridge exterior body 23 , which is wound thereon.
  • the aspiration optimization means is a shape-reinforcing material as a reinforcing support member 2252 - 3 including a fixedly or movably arranged tubular reinforcing material 2251 - 3 - s 4 and four plate-shaped reinforcing materials 2251 - 3 - s 3 .
  • the tubular reinforcing material 2251 - 3 - s 4 is a concentric circular tube in a through hole 2251 - 3 - h of the support member 2251 - 3 which is formed so that the center axis of a straight cylinder thereof is substantially the same as the center axis of the support member 2251 - 3 , and which has substantially the same axis as the through hole 2251 - 3 - h and has a radius smaller than a radius of the through hole 2251 - 3 - h .
  • the four plate-shaped reinforcing materials 2251 - 3 - s 3 are provided on an external peripheral side of the tubular reinforcing material 2251 - 3 - s 4 in a shape so as to contact an inner wall of the through hole 2251 - 3 - h in a radial direction thereof.
  • the shape-reinforcing material comprising the tubular reinforcing material and the plate-shaped reinforcing materials has an even greater reinforcing effect than the plate-shaped reinforcing material illustrated in FIG. 17 , and the length of the support member can be even further increased.
  • the method for fixedly or movably providing the support member is the same as in FIG. 16 in this case as well.
  • FIG. 19 is a schematic diagram illustrating an aroma cartridge 2 - 15 in which a (non-hollow) solid concentric cylindrical reinforcing material 2251 - 4 - s 4 is used instead of the tubular reinforcing material 2251 - 3 - s 4 formed by a concentric circular tube in FIG. 18 . It is possible to change, as appropriate, between use of a hollow circular tube and a solid circular column in accordance with the balance between reinforcement effect and aspiration quantity.
  • the reinforcing support members in FIGS. 16-19 can be used together with the filters in which cavities are formed, described in FIGS. 5-10 , to form a mouthpiece, and a cooling member can also be additionally connected to form a mouthpiece.
  • FIG. 20 is a schematic diagram illustrating an aroma cartridge 2 - 15 , and illustrates an example of an aroma cartridge in which a mouthpiece is joined to an aroma generator to be heated which is adjacent thereto, a reinforcing support member of FIGS. 16-19 and a filter in which a cavity is formed, described in FIGS. 5-10 , being connected in the mouthpiece.
  • a mouthpiece 225 - 5 is adjacent to the aroma generator 21 to be heated, the mouthpiece 225 - 5 being provided with a reinforcing support member 2251 - 5 which is provided with shape-reinforcing materials 2251 - 3 - s 3 and 2252 - 3 - s 4 and which prevents the adjacent aroma generator 21 to be heated from moving toward the mouthpiece 225 - 5 , and a filter 2252 - 5 adjacent thereto which filters a gas and in which a single cavity is formed, and the mouthpiece 255 - 5 and the aroma generator 21 to be heated are joined by a cartridge exterior body 23 , which is wound thereon.
  • the cavity 2252 - 5 - c 1 is arranged in the filter 2252 - 5 in a longitudinal end part of the filter 2252 - 5 on the aroma-generator 21 to-be-heated side thereof so that center axes of straight cylinders of the filter 2252 - 5 and the cavity 2252 - 5 - c 1 substantially coincide.
  • the aspiration optimization means herein is a shape-reinforcing material having: a tubular reinforcing material 2251 - 5 - s 4 as a hollow concentric circular tube in a through hole 2251 - 5 - h of a support member 2251 - 5 which is formed so that the center axis of a straight cylinder thereof is substantially the same as the center axis of the support member 2251 - 5 , and which has substantially the same axis as the through hole 2251 - 5 - h and has a radius smaller than a radius of the through hole 2251 - 5 - h ; and four plate-shaped reinforcing materials 2252 - 5 - s 3 provided on an external peripheral side of the tubular reinforcing material 2251 - 5 - s 4 in a shape so as to contact an inner wall of the through hole 2251 - 5 - h in a radial direction of the tubular reinforcing material 2251 - 5 - s 4 ;
  • FIG. 21 is a schematic diagram illustrating an aroma cartridge 2 - 15 , and illustrates an example of an aroma cartridge in which a mouthpiece is connected to an aroma generator to be heated, a cooling member being interposed between a reinforcing support member of FIGS. 16-19 and a filter in which a cavity is formed, described in FIGS. 5-10 .
  • a mouthpiece 226 is adjacent to an aroma generator 21 to be heated, the mouthpiece 226 being provided with a reinforcing support member 2261 having shape reinforcement materials 2261 - s 3 and 2261 - s 4 for preventing the adjacent aroma generator 21 to be heated from moving toward the mouthpiece 226 , a cooling member for cooling a gas from the aroma generator 21 to be heated, and a filter 2263 which is adjacent to the cooling member 2262 and which filters a gas, and in which a single cavity 2263 - c 1 is formed, and the mouthpiece 226 and the aroma generator 21 to be heated are joined by a cartridge exterior body 23 , which is wound thereon.
  • the cavity 2263 - c 1 is disposed in a longitudinal end part of the filter 2263 on the aroma-generator 21 to-be-heated side thereof so that center axes of straight cylinders of the filter 2263 and the cavity 2263 - c 1 substantially coincide.
  • the aspiration optimization means herein is a shape-reinforcing material having: a tubular reinforcing material 2261 - s 4 as a hollow concentric circular tube in a through hole 2261 - h of a support member 2261 which is formed so that the center axis of a straight cylinder thereof is substantially the same as the center axis of the support member 2261 , and which has substantially the same axis as the through hole 2261 - h and has a radius smaller than a radius of the through hole 2261 - h ; and four plate-shaped reinforcing materials 2261 - s 3 provided on an external peripheral side of the tubular reinforcing material 2261 - s 4 in a shape so as to contact an inner wall of the through hole 2261 - h in a radial direction of the tubular reinforcing material 2261 - s 4 ; the aspiration optimization means being fixedly or movably arranged as the reinforcing support member 2261 .
  • FIG. 22 is a schematic diagram illustrating an aroma cartridge 2 - 18 according to an embodiment of the present invention.
  • the aspiration optimization means herein has a heat insulation member 2271 .
  • a mouthpiece 227 and an aroma generator 21 to be heated are adjacent, the mouthpiece 227 being provided with a heat insulation member 2271 adjacent to the aroma generator 21 to be heated, and a filter 2272 which is adjacent to the heat insulation member 2271 and which filters a gas, and the mouthpiece 227 and the aroma generator 21 to be heated are joined by a cartridge exterior body 23 , which is wound thereon.
  • FIG. 23 is a schematic diagram illustrating an aroma cartridge 2 - 19 according to an embodiment of the present invention.
  • the aspiration optimization means is also a heat insulation member 2281 in this case.
  • a mouthpiece 228 and an aroma generator 21 to be heated are adjacent, the mouthpiece 228 being provided with a heat insulation member 2281 adjacent to the aroma generator 21 to be heated, a cylindrical cooling member 2282 which is adjacent to the heat insulation member 2281 and which cools a gas from the aroma generator 21 to be heated, and a filter 2283 which is adjacent to the cooling member 2282 and which filters a gas, and the mouthpiece 228 and the aroma generator 21 to be heated are joined by a cartridge exterior body 23 , which is wound thereon.
  • the heat insulation members described above do not allow a general spread of high-temperature gas, unlike the support member adjacent to the aroma generator to be heated, and are preferably constituted from a heat-insulating porous body made of plastic, such as a sponge having continuous holes with long flow passages.
  • the heat insulation members also function to retain the high-temperature gas to some degree and cool the gas, and need not have the degree of cooling functionality of a cooling member, and are preferably applied instead of a support member for preventing the aroma generator to be heated from moving toward the mouthpiece. Consequently, a length s of the heat insulation member depends upon the material used therein, but a length of about 1-5 mm is adequate.
  • a cover material and/or a partition wall material which function as an aspiration optimization means for preventing an extreme decrease in aspiration quantity due to blockage of voids in the cooling member and the filter by dislodged material or dust of the non-tobacco material, will next be described using the accompanying drawings.
  • FIG. 24 is a partial schematic diagram of the aroma generator to be heated of an aroma cartridge according to an embodiment of the present invention.
  • the aspiration optimization means herein includes a cover material 211 disposed on an aroma cartridge end part side from among both end parts of the aroma generator to be heated, and a partition wall material 212 disposed on the other end part side of the aroma generator to be heated.
  • a material obtained by slicing a material such a filter extremely finely, a nonwoven fabric, or a material such as a mesh, which does not decrease the aspiration quantity of a gas, is preferably used to form the cover material 211 and the partition wall material 212 , and may be fixed by an adhesive or the like to the aroma generator 21 to be heated.
  • Either one or both of the cover material and the partition wall material may be provided, in accordance with the state of the aroma-generating base material to be heated aroma generator to be heated in which aroma-generating base materials to be heated are bundled.
  • the cover material and/or the partition wall material prevent clogging of the filter and/or the cooling member by dislodged material or dust, and ensure a stable aspiration quantity.
  • the cover material and/or the partition wall material can also prevent dislodged material, dust, or the like from being generated when the aroma cartridge is impaled on the needle-shaped heating element.
  • a gas-generation-maintaining material provided to the aroma generator to be heated, in order to solve the problem of a decrease in the aspiration quantity of gas, is described below using the accompanying drawings.
  • the conventional aroma generator to be heated has the drawback that the released quantity of gas decreases over time, which brings about a reduction in the aspiration quantity of gas during smoking.
  • the aroma cartridge of the present invention is provided with an aroma-generating base material to be heated which constitutes an aroma generator to be heated, to which is applied a chemical solution means, as a gas-generation-maintaining material for preventing a decrease in the aspiration quantity of gas.
  • FIG. 25 presents a schematic diagram (A) of an aroma-generating sheet to be heated which constitutes an aroma generator to be heated, according to an embodiment of the present invention, and a schematic diagram (B) of an aroma-generating filler to be heated which constitutes an aroma generator to be heated, according to an embodiment of the present invention.
  • the aroma-generating base material to be heated is produced by various producing steps (means), but is ultimately wound as a sheet or a filler to become an aroma-generating substrate to be heated.
  • the longitudinal direction of the heating-type smoking appliance ( 1 ) 11 or ( 2 ) 12 and a length z direction correspond, and the gas-generation-maintaining material is cut to a length z corresponding to the heating-type smoking appliance, but has an appropriate width w and thickness y for the gas-generation-maintaining material.
  • dimensions corresponding to the aroma generator to be heated that was described using FIG. 5 are presented as an example using FIG. 25 .
  • the longitudinal direction of the aroma cartridge and the length z direction correspond, and the aroma-generating base material to be heated is wrapped in paper to form an aroma generator to be heated.
  • the length z of the heating-type smoking appliance is preferably 12 mm, and the width w and the thickness y thereof are preferably in the range of 60-90 mm and 0.1-1.0 mm, respectively.
  • the aroma-generating filler (B) to be heated the length z is 12 mm, but the width x and the thickness y are preferably 1.0-2.0 mm and 0.1-1.0 mm, respectively.
  • the aroma-generating filler to be heated is obtained by further cutting the aroma-generating sheet to be heated.
  • FIG. 26A illustrates an aroma generator to be heated in which a single sheet of the aroma-generating sheet to be heated of FIG. 25A is folded and wrapped in an interior material 21 - p for the aroma generator to be heated
  • FIG. 26B illustrates an aroma generator to be heated in which a single sheet of the aroma-generating sheet to be heated of FIG. 25A is wound and wrapped in the interior material 21 - p for the aroma generator to be heated
  • FIG. 26C illustrates an aroma generator to be heated in which 50 units of the aroma-generating filler to be heated are wrapped in the interior material 21 - p for the aroma generator to be heated.
  • each of these aroma generators to be heated is set as appropriate for the heating-type smoking appliance ( 1 ) 11 or ( 2 ) 12 , but a filling ratio is within 60-90% when the outside diameter is set to 6.9 mm, corresponding to the aroma generator to be heated that is illustrated in FIG. 5 . Severe successive fusion in the aroma-generating base material to be heated is not observed particularly when the filling ratio is 60-73%.
  • This filling ratio is adjusted by the width w of the aroma-generating sheet to be heated and the number of aroma-generating fillers to be heated, and is not thus limited when the gas-generation-maintaining material is present.
  • a gas-generation-maintaining material having a function for preventing a decrease in the quantity of gas released by the aroma generator to be heated, which is closely related to a decrease in the aspiration quantity of gas during smoking, and ensuring the aspiration quantity of gas; i.e., a specific description of an aroma-generating base material to be heated to which a chemical solution means is applied.
  • the aroma generator to be heated is provided with an aroma-generating base material to be heated, to which the chemical solution means is applied, as a gas-generation-maintaining material.
  • the conventional aroma-generating base material to be heated is produced by: a step (means) for drying/pulverizing and then dry-mixing a non-tobacco material to prepare a non-tobacco material; a step (means) for preparing raw materials selected from an aerosol former, a binder, an adhesion inhibitor, a perfume, a non-tobacco material extract, an antimicrobial preservative, etc.; a step (means) for preparing pure water and an alcohol; a wet mixing step (means) for mixing the prepared ingredients at once; a paper-making step (means) for producing a water-containing sheet from a slurry produced by wet mixing; a molding step (means) for compressing or casting the resultant water-containing sheet to obtain a sheet; a step (means) for drying the sheet produced by the molding step (means).
  • the pulverized products below were loaded into a dry mixer as non-tobacco materials and dry-mixed for 5 minutes.
  • a water-containing sheet was created by loading a specified amount of the slurry on a frame provided with an appropriate drainboard. At this time in the present Production Example, assuming the moisture content of 100 in the slurry, the moisture content in the water-containing sheet was about 95.
  • the water-containing sheet was then passed three times through a press roll set to a predetermined clearance to mold the water-containing sheet, an amount of pure water corresponding to 7 parts by mass with respect to 100 parts by mass in the water-containing sheet passed three times through the press roll was then added to the water-containing sheet, and the water-containing sheet was passed five more times through the press roll.
  • the molded water-containing sheet obtained as described above was then dried for 300 minutes in a 35° C. environment to create an aroma-generating sheet to be heated having a moisture content of 20% by mass.
  • the drying temperature is preferably less than 50° C. to maintain flavor.
  • the drying temperature is more preferably less than 45° C., and even more preferably less than 40° C.
  • the thickness of the sheet is adjusted as appropriate, but was set to 0.5 mm in the present Production Example.
  • the sheet was cut, and a rectangular aroma-generating sheet to be heated having a length of 240 mm and a width of 75 mm, and an aroma-generating filler to be heated having a length of 240 mm and a width of 1.5 mm were obtained.
  • the length direction of the filler and the sheet cut from the aroma-generating sheet to be heated was parallel to a rotational axis direction of the roll, and the width direction of the filler and the sheet was the rotation direction of the roll.
  • An aroma cartridge of the type illustrated in FIG. 13 in which an aroma generator to be heated is joined to a mouthpiece provided with a support member and a filter, was fabricated.
  • the cartridge exterior body was formed by half-winding the paper twice to give an inside diameter of 6.9 mm and sizing the paper.
  • a paper pipe formed by twice half-winding paper having a basis weight of 32-45 g/m 2 is used as the cartridge exterior body, an aroma cartridge is obtained that is suitable for use in which the aroma generator to be heated portion thereof is inserted on the heating element of a heating-type smoking appliance.
  • An aroma cartridge was produced by inserting the support member and the filter from one end of the cartridge exterior body to form a mouthpiece, inserting the aroma generator to be heated from the other end of the cartridge exterior body, and then winding paper having a basis weight of 40 g/m 2 thereon so as to overlap with the mouthpiece portion.
  • a filter in which a cavity was not formed as an aspiration optimization means was used as the filter.
  • Fabricated aroma cartridges were packed into a paper box 70 mm on a long side thereof, 14 mm on a short side thereof, and having a height of 45 mm, so that the aroma generators to be heated were facing the bottom of the box.
  • a box containing aroma cartridges thus prepared was placed in a plastic bag and left to stand for two weeks in a 40° C. environment. The box was then retrieved and left to stand for one day in a normal-temperature and normal-humidity environment, and the evaluation described below was performed. Packing material was taken from the aroma generators to be heated, and it was confirmed whether the aroma cartridges were packed together.
  • the aroma cartridges were also smoked by five test subjects, and sensory evaluation of the aspiration quantity and flavor was performed.
  • the aroma cartridge fabricated in (Production Example 1) was evaluated as Rank C, the aroma-generating sheet to be heated and the aroma filler to be heated fused over time, the quantity of gas released during smoking, i.e., the gas aspiration quantity, was decreased and flavor also deteriorated, and the aroma-generating sheet to be heated and the aroma filler to be heated did not function as gas-generation-maintaining materials for the aroma generator to be heated.
  • a feature of the improved production method (device) is that a second wet mixing step (means) is introduced as a producing step (means), as indicated in FIG. 27 .
  • an aroma-generating base material to be heated is produced by: a dry mixing step (means) Z 1 for mixing a dried and pulverized non-tobacco material; a first wet mixing step (means) M 2 for mixing the non-tobacco material produced in the wet mixing step (means) and a material selected from an aerosol former, a binder or thickener, crosslinked PVP, a perfume, a non-tobacco material extract, ⁇ -cyclodextrin, microcrystalline cellulose, and an antimicrobial preservative in a mixture of alcohol and pure water; a second wet mixing step (means) M 3 for producing a slurry including the non-tobacco material, etc., by adding additional pure water and/or alcohol to the mixture
  • Black tea leaves were dried at 70° C. to give a moisture content of 2 by mass, and then pulverized.
  • Licorice, lotus leaves, and Korean ginseng were also dried and pulverized in the same manner.
  • the drying temperature is preferably 60° C.-80° C. When the drying temperature is in this range, it is easy to reach the desired moisture content while avoiding dissipation of necessary flavor components. The desired moisture content is even easier to reach when the drying temperature is 65° C. or above, and dissipation of necessary flavor components can be further prevented when the drying temperature is 75° C. or below.
  • the moisture content after pulverization is preferably 5% by mass or less. Slurry formation in the subsequent step (means) is thereby facilitated. A moisture content after pulverization of 3% by mass or less is more preferred. A moisture content of 0.1% by mass or greater is preferred to enable good compatibility with water or the like.
  • Black tea dry pulverized product 100 parts by mass Licorice dry pulverized product 20 parts by mass Lotus leaf dry pulverized product 10 parts by mass Korean ginseng dry pulverized product 5 parts by mass
  • the alcohol is not limited to ethanol, insofar as the alcohol is a lower monoalcohol.
  • the added amount of such a lower monoalcohol is preferably 0.1-10 parts by mass with respect to 100 parts by mass of the dry pulverized products.
  • the reason for loading the pure water first to form the mixture is that a slurry having better dispersion can be obtained by advancing dispersion of the mixture beforehand, and then diluting/mixing with additional water. It is also preferred to divide loading of the water into multiple additions. When the water is loaded in multiple additions, a combination of additions is preferred in which small amounts of water are loaded at first, and the amount of water loaded is subsequently increased. This is because dispersion is enhanced to a high degree during loading of water at first, and the slurry becomes uniform as the amount of water loaded is subsequently increased.
  • a water-containing sheet was created by loading a specified amount of the slurry on a frame provided with an appropriate drainboard. At this time in the present Production Example, assuming the moisture content of 100 in the slurry, the moisture content in the water-containing sheet was about 95.
  • the water-containing sheet was then passed three times through a press roll set to a predetermined clearance to mold the water-containing sheet, an amount of pure water corresponding to 7 parts by mass with respect to 100 parts by mass in the water-containing sheet passed three times through the press roll was then added to the water-containing sheet, and the water-containing sheet was passed five more times through the press roll.
  • 2 parts by mass to 15 parts by mass of water are added with respect to 100 parts by mass of the water-containing sheet.
  • Adding water over the course of molding the water-containing sheet a plurality of times in this manner has the effect that the water included in the water-containing sheet is readily made uniform in a certain range, and has the effect that conditions in a subsequent drying step (means) can be made uniform, and that the quality of the final product can be made uniform.
  • the molded water-containing sheet obtained as described above was then dried for 300 minutes in a 35° C. environment to create a molded sheet for an electronic cigarette filler, having a moisture content of 20% by mass.
  • the drying temperature is preferably less than 50° C. to maintain flavor.
  • the drying temperature is more preferably less than 45° C., and even more preferably less than 40° C.
  • the thickness of the sheet was set to 0.5 mm.
  • the sheet was cut into an aroma-generating sheet to be heated having a length z of 240 mm and a width x of 75 mm, and an aroma-generating filler to be heated having a length z of 240 mm and a width x of 1.5 mm.
  • an aroma cartridge of the type illustrated in FIG. 13 in which an aroma generator to be heated is joined to a mouthpiece provided with a support member and a filter, was fabricated.
  • a filter in which a cavity was not formed as an aspiration optimization means was used as the filter.
  • the aroma cartridge was subjected to ⁇ Evaluation 1>> in the same manner as the aroma cartridge fabricated in (Production Example 1), and a result of Rank A was obtained.
  • This reason for this result was considered to be that the aroma-generating base material to be heated which was produced by this method (device) had minimal fusion over time within or between the aroma-generating base materials to be heated, and little change in the amount of gas released by heating, and that the gas aspiration quantity being maintained during smoking.
  • the aroma-generating base material to be heated which was produced by this method (device) functions as a gas-generation-maintaining material for the aroma-generating substrate to be heated.
  • the production method (device) illustrated in FIG. 27 was improved to obtain the production method (device) illustrated in FIG. 28 .
  • the production method (device) of FIG. 28 is characterized by comprising the production method (device) illustrated in FIG. 27 , a step (means) S 3 for adding an aerosol former when the moisture content of the sheet becomes less than 50% being further added in the sheet molding step (means) S 2 .
  • the blended quantity of propylene glycol in the first wet mixing in (Production Example 2) was reduced by 10 parts by mass, an ethanol 50% solution of propylene glycol was sprayed at a temperature of less than 40° C.
  • the concentration of the alcohol solution of the aerosol former is preferably in the range of 20-80% from the perspective of absorbability of the aerosol former and drying properties of the alcohol.
  • the aerosol former is not readily absorbed when the concentration is high, and the alcohol takes time to dry when the concentration is low.
  • the temperature for absorption is also preferably 20-50° C. for the sake of absorbability of the aerosol former. Evaporation of the aerosol former is severe when the temperature is too high, and the aerosol former is not readily absorbed when the temperature is too low.
  • the dispersion state in the second wet mixing was good, and absorption of propylene glycol in this step (means) therefore proceeded rapidly.
  • the aroma-generating base material to be heated having a thickness of 0.5 mm, which was produced by this method (device), was also cut to the same size as in (Production Example 2) to produce an aroma cartridge.
  • the aroma cartridge was subjected to ⁇ Evaluation 1>>, a result of Rank A was obtained, and it was clear that the aroma-generating sheet produced by this method (device) also functions as a gas-generation-maintaining material for the aroma-generating substrate to be heated.
  • the improvements shared by the production methods [devices] of FIGS. 27 and 28 are improvements in the mixing and dispersion of the non-tobacco material and the aerosol former.
  • the process (means) for producing an aroma-generating base material to be heated that is illustrated in FIG. 29 was discovered as a production method (device) which does not use a step (means) for mixing and dispersing the non-tobacco material and the aerosol former.
  • an aroma-generating base material to be heated is produced by: a wet mixing step (means) M 1 for mixing, with pure water, a dried and pulverized non-tobacco material for producing a gas-generation-maintaining material, and producing a slurry of the non-tobacco material; a paper-making step (means) S 1 for producing a water-containing sheet from the slurry produced by the wet mixing step (means); a sheet molding step (means) S 2 for compressing or casting the water-containing sheet to obtain a sheet; a drying step (means) S 3 reducing the moisture content of the sheet produced by the sheet molding step (means) to less than 50% by mass; an absorption and adsorption step (means) S 4 for coating the sheet produced by the drying step (means) with, or dipping the sheet into, an alcohol and pure water mixture of a material selected from an aerosol former, a binder or thickener, crosslinked PVP, a perfume, a non-to-to
  • the slurry was cast to obtain a sheet having at thickness of 0.5 mm. Residual water from casting was concentrated and stored, and used for the next step (means).
  • the sheet was dried, the ingredients below were added per 100 parts by mass of the sheet, and the product was dried to produce a sheet.
  • the resultant sheet was used to fabricate an aroma generator to be heated and an aroma cartridge which uses the same, in the same manner as in (Production Example 2), and when ⁇ Evaluation 1>> thereof was performed, a result of Rank A was obtained. It was clear that the aroma-generating sheet to be heated that was produced by this method (device) also functions as a gas-generation-maintaining material for the aroma-generating substrate to be heated.
  • the production methods [devices] heretofore described feature fabricating an aroma-generating sheet to be heated by producing a slurry of a non-tobacco material, etc., and making a paper thereof.
  • a step (means) for making a paper from a slurry of material having various properties is thought to be unreasonable, and as a result of investigating a production method (device) that does not require a paper making step (means), the method (device) illustrated in FIG. 30 was discovered.
  • This method is characterized in that a large shear force and compression force, such as from a three-roll mill, are applied to a mixture of a non-tobacco material and other ingredients.
  • this method is a method (device) for producing an aroma-generating base material to be heated, by: non-tobacco material preparation steps (means) Z 1 and 2 for drying an pulverizing a non-tobacco material; a perfume and/or non-tobacco extract dissolving step (means) M 1 for mixing at least a perfume and/or a non-tobacco material extract and crosslinked PVP and/or ⁇ -cyclodextrin in alcohol to cause the perfume and/or non-tobacco extract to reside in the crosslinked PVP and/or ⁇ -cyclodextrin; an aerosol former dissolving step (means) M 2 for mixing at least an aerosol former and a binder or thickener with pure water; a wet mixing step (means) M 3 for mixing the material produced by the non-tobacco material preparation step (means), the material produced by the perfume and/or non-tobacco extract dissolving step (means), and the material produced by the aerosol former dissolving step
  • non-tobacco material preparation steps (means) Z 1 and 2 for drying and pulverizing a non-tobacco material a non-tobacco material having a moisture content of 20% by mass was prepared using black tea leaves as the non-tobacco material, by drying the non-tobacco material in an oven at 70° C., then pulverizing the material using an agitation mill and passing the material through an 80 mesh sieve.
  • menthol is dissolved by weighing out and mixing menthol, a lower alcohol, and a water-insoluble crosslinked polymer.
  • the water-insoluble crosslinked polymer is preferably added and mixed after the menthol is dissolved in the lower alcohol. An effect whereby dissipation of the menthol is suppressed is obtained when menthol, a lower alcohol, and a water-insoluble crosslinked polymer are mixed.
  • the menthol is not limited to being obtained from a natural product, and a synthetic product can also be used. Peppermint, mint, peppermint oil, and other materials that include menthol may also be used.
  • the lower alcohol is a solvent for dissolving the menthol, and ethyl alcohol is especially preferred for use.
  • the water-insoluble crosslinked polymer is intended as a polymer which is obtained by crosslinking a polymer that is water-soluble in the non-crosslinked form thereof, which then becomes insoluble in water and swells. It is, of course, preferred that the water-insoluble crosslinked polymer swell and not dissolve in the lower alcohol, and such a polymer is selected.
  • Such a water-insoluble crosslinked polymer has a hydrophilic component and a hydrophobic component, and it is thought that the hydrophilic component contributes to swelling, and that dissipation of the menthol is suppressed by orienting of the hydrophilic component toward the menthol.
  • hydrophilic crosslinked polymer examples include crosslinked PVP, and crosslinked polysaccharides obtained by subjecting a water-soluble polysaccharide to epoxy crosslinking, ester crosslinking, and ether crosslinking.
  • An effect in which menthol dissipation is markedly suppressed is observed particularly when ethanol and crosslinked PVP are used together with menthol.
  • the menthol content in the aroma-generating base material to be heated is preferably 0.1-10% by mass, and more preferably 0.2-5% by mass.
  • the added amount of the hydrophilic crosslinked polymer is preferably 10-2000 parts by mass, more preferably 50-600 parts by mass, with respect to 100 parts by mass of menthol.
  • the hydrophilic crosslinked polymer is preferably present in a ratio of 2% by mass or more, more preferably 4% by mass or more, in the aroma-generating base material to be heated. Including the hydrophilic crosslinked polymer in such an amount makes long-term storage possible while suppressing dissipation of the menthol, and makes it possible for the cooling sensation of menthol to be enjoyed even after long-term storage.
  • the content of the hydrophilic crosslinked polymer in the aroma-generating base material to be heated is preferably 20% by mass or less, and more preferably 10% by mass or less. Flavors caused by non-plant-derived polyphenols and the like can be maintained when the content of the hydrophilic crosslinked polymer is 10% by mass or less.
  • the lower alcohol used is preferably included in the amount of 50 parts by mass or more with respect to 100 parts by mass of menthol.
  • amount of the lower alcohol is 100 parts by mass or more, adequate mixing of the hydrophilic crosslinked polymer is possible while the menthol is dissolved.
  • amount of the lower alcohol is 2000 parts by mass or less, persistence of the lower alcohol in subsequent steps (means) can be reduced, and an efficient production process (means) can be obtained.
  • an aerosol former for dissolving an aerosol former and other materials
  • an aerosol former, a flavor additive, a preservative, a binder or thickener, and other ingredients are dissolved in pure water.
  • glycerin, propylene glycol, sorbitol, triethylene glycol, lactic acid, diacetin (glycerin diacetal), triacetin (glycerin triacetate), triethylene glycol diacetate, triethyl citrate, isopropyl myristate, methyl stearate, dimethyl dodecane dioate, dimethyl tetradecanedioate, or the like can be used as the aerosol former.
  • Glycerin and propylene glycol are particularly preferred for use.
  • These aerosol formers are preferably used in an amount of 1-80% by mass, more preferably 10-40% by mass, with respect to the aroma-generating base material to be heated.
  • a perfume for adding flavor is used as needed, and examples thereof include essences of peppermint, cocoa, coffee, black tea, and the like.
  • An antimicrobial preservative for food can also be added as needed. Sorbic acid, potassium sorbate, benzoic acid, sodium benzoate, or the like can be used as the antimicrobial preservative.
  • the above substances may be used in combination.
  • a 20% aqueous solution of glycerin, propylene glycol, sodium carboxymethyl cellulose, methyl cellulose, glucomannan, and xylitol from among the above substances was prepared.
  • a non-tobacco plant composition for an aroma-generating base material to be heated was then fabricated by stirring the materials in the blending ratios below for 15 minutes while applying shear force through use of an impeller, using an ordinary wet mixer.
  • Black tea dry pulverized product 100 parts by mass Menthol/ethyl alcohol/crosslinked PVP 25 parts by mass Glycerin 30 parts by mass Propylene glycol 30 parts by mass Sodium carboxymethyl cellulose 4 parts by mass Methyl cellulose 15 parts by mass Xylitol aqueous solution 8 parts by mass Glucomannan 1 part by mass
  • a three-roll mill was used in the step (means) for molding a sheet.
  • a step for loading the above composition into a three-roll mill, adding 20 parts by mass of pure water while observing the state of the sheet, and collecting a sheet-shaped product by pressing a doctor blade against a roll was repeated 8 times, and a final sheet-shaped non-tobacco plant composition was obtained.
  • a three-roll mill is used, while kneading, dispersion, and the like are performed by a compression force from pressing between close rolls and a shear force from the roll speed difference, the desired sheet thickness can be obtained using the doctor blade, and it is possible to produce a sheet that is more uniform than a sheet fabricated by a slurry paper-making step (means).
  • a press roller or press machine can also be suitably used.
  • a non-tobacco plant In the sheet molding step (means) S 1 , a non-tobacco plant, an aerosol former, a perfume, an antimicrobial preservative, a binder or thickener, water, or the like may be added as needed.
  • the pure water used in the present invention is preferably pure water which has been sterilized or from which microbes have been removed, but the pure water may also be obtained using a reverse osmosis membrane, ion exchange, or the like.
  • a sheet having a thickness of approximately 0.5 mm was molded in the sheet molding step (means) S 1 .
  • the thickness of the sheet may be in the range of 0.1-1.0 mm or 0.1-0.5 mm.
  • This aroma-generating sheet to be heated having a thickness of 0.5 mm was then cut into an aroma-generating sheet to be heated and an aroma-generating filler to be heated, in the same manner as in (Production Example 2), and was then processed into an aroma generator to be heated, and assembled into an aroma cartridge.
  • ⁇ Evaluation 1>> thereof was performed, a result of Rank A was obtained, and it was clear that the aroma-generating sheet to be heated that was produced by this method (device) also functions as a gas-generation-maintaining material for the aroma-generating substrate to be heated.
  • an aroma-generating base material to be heated that uses a non-tobacco material
  • the component compositions and the properties thereof are diverse, and it has become clear that nonuniformity of mixing, dispersal, and solution state thereof results in changes over time such as bleed-out of the aerosol former from the aroma-generating base material to be heated, and causes the quantity of gas released from the aroma-generating base material to be heated to decrease and the gas aspiration quantity during smoking to decrease. Consequently, the problem of a change in the gas aspiration quantity over time is solved by improving the nonuniformity.
  • the binder or thickener which is one of the constituent materials of an aroma-generating base material to be heated that uses a non-tobacco material, was discovered to be a cause of problems that are specific to an aroma cartridge that uses a non-tobacco material.
  • the binder or thickener is added to prevent fusion within the aroma-generating base material to be heated or between aroma-generating base materials to be heated and to prevent the aggregated state thereof from being disrupted due to the inability to include a large quantity of fibers.
  • an aggregated state can be stably maintained, and there is no blockage of gas flow passages in an aroma-generating base material to be heated that is produced by: steps (means) Z 1 and 2 for preparing a dried and pulverized non-tobacco material; a step (means) M 1 for producing a first binder aqueous solution in which a first binder is dissolved in pure water; a first wet mixing step (means) M 1 for mixing a material prepared by steps (means) Z 4 and 5 for preparing a material selected from an aerosol former, crosslinked PVP, a perfume, a non-tobacco material extract, ⁇ -cyclodextrin, microcrystalline cellulose, and an antimicrobial preservative; an aging step (means) Y 1 for stabilizing a mixture produced by the first wet mixing step (means); a second wet mixing step (means) M 2 for mixing an aged mixture produced by the aging step (means) and a second binder aqueous solution
  • the moisture content is preferably adjusted to facilitate absorption or support of the aerosol former, pure water, and other components, and the drying temperature is preferably 60-80° C. or lower.
  • the drying temperature is in this range, it is easy to reach the desired moisture content while avoiding dissipation of necessary flavor components.
  • the desired moisture content is even easier to reach when the drying temperature is 65° C. or above, and dissipation of necessary flavor components can be further prevented when the drying temperature is 75° C. or below.
  • the moisture content after drying/pulverization is preferably 5% by mass or less, and slurry formation in the subsequent step (means) is thereby facilitated.
  • a moisture content after drying/pulverization of 3% by mass or less is more preferred. However, compatibility with water, etc., decreases when the moisture content is 0.1% by mass or greater.
  • a sieving step (means) for sieving the dried pulverized product a non-tobacco plant having the desired particle size can be supplied to the first wet mixing step (means) M 3 , and slurry formation is facilitated.
  • Celluloses, konjac mannan (glucomannan), guar gum, pectin, carrageenan, tamarind seed gum, gum arabic, soybean polysaccharide, locust bean gum, karaya gum, xanthan gum, agar, corn starch, and the like can be cited as examples of the first binder used in the preparation step (means) Z 3 for dissolving a first binder in pure water, but celluloses are preferred.
  • Regarding viscosity mixing with the non-tobacco plant is favorable when the solution viscosity is 300 mPa ⁇ s or greater. A solution viscosity of 5000 mPa ⁇ s or greater is appropriate for binding of a non-tobacco plant.
  • the solution viscosity is a value measured using a Brookfield viscometer at 10-30 rpm in a 25° C. environment, by preparing a 1% aqueous solution, starting rotation of the rotor, and taking the measurement value when the display value stabilizes.
  • the upper limit of measurement by the Brookfield viscometer is 100,000 mPa ⁇ s, a viscosity exceeding this upper limit is within the viscosity range described above.
  • Celluloses that are preferred as the first binder generally include cellulose, cellulose derivatives, and metal salts thereof, but a water-soluble cellulose is particularly preferred in the present invention from the perspective of binding a non-tobacco plant.
  • celluloses can include methyl cellulose, ethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, and sodium salts, potassium salts, calcium salts, and other metal salts of these celluloses.
  • metal salts of celluloses are more preferred, and sodium carboxymethyl cellulose is even more preferred.
  • Glycerin, propylene glycol, sorbitol, triethylene glycol, lactic acid, diacetin (glycerin diacetal), triacetin (glycerin triacetate), triethylene glycol diacetate, triethyl citrate, isopropyl myristate, methyl stearate, dimethyl dodecane dioate, dimethyl tetradecanedioate, or the like can be used as the aerosol former used in the step (means) Z 4 for preparing the aerosol former, but glycerin and propylene glycol are particularly preferred.
  • These aerosol formers are used in a range of 1-80% by mass, particularly preferably 10-40% by mass, with respect to the composition of the aroma-generating base material to be heated.
  • a step (means) Z 5 for preparing a component used in addition to the above components menthol, peppermint, cocoa, coffee, black tea essence, or another flavoring agent for adding flavor as needed, crosslinked PVP or ⁇ -cyclodextrin having a function for causing temporary residence of the flavoring agent, microcrystalline cellulose having moldability and ease of release from a die or the like, sorbic acid, potassium sorbate, benzoic acid, sodium benzoate, or another food antimicrobial preservative for storage stability, or the like can be added.
  • the materials prepared as described above are mixed in the first wet mixing step (means) M 1 .
  • the mixer need not be specialized, and may be a mixer in which materials in a mixing tank are mixed while a shear force is applied thereto by an impeller, for example, and it is also possible to knead and further intensify mixing using a roll mill, a kneader, or an extruder.
  • the mixing temperature in this step (means) is preferably 40° C. or lower, and more preferably 30° C. or lower, and maintaining the temperature at about 25° C. is even more preferred. The reason for this is that there is a risk of dissipation of fragrance components when excessive heat is applied during mixing. The temperature of the mixing tank must therefore be controlled.
  • a first mixture produced by the first wet mixing step (means) M 1 preferably undergoes an aging step (means) Y 1 for leaving the first mixture to stand for a predetermined time at a predetermined temperature, but this step (means) is not essential.
  • addition of the binder must be divided into a first mixing step (means) and a second mixing step (means).
  • a non-tobacco material mixture in which the binder is dividedly added and which is not subjected to an aging step (means) Y 1 , and an aged mixture subjected to the aging step (means) Y 1 are processed into an aroma cartridge as the aroma-generating base material to be heated, and smoking evaluation thereof is performed using the heating-type smoking appliance illustrated in FIG.
  • the initial aspiration quantity and flavor are both improved.
  • the aroma cartridge is evaluated for storage stability in a high-temperature and high-humidity environment, there is no fusion within the aroma-generating base material to be heated or between aroma-generating base materials to be heated, and there is no change over time in the released quantities, i.e., the aspiration quantities, of aerosol smoke and fragrance components of the non-tobacco material during initial smoking, and a change in flavor is also not recognized.
  • the above effects are prominent particularly when a tea is used as the non-tobacco material, and teas are therefore preferred.
  • the aging step (means) Y 1 can further increase these effects.
  • the temperature in the aging step (means) Y 1 is preferably 15-30° C., and more preferably 18-24° C.
  • the reason for this is that the flavor improvement described above is increased when the temperature is 15° C. or higher, and change in flavor and change in aspiration quantity over time are suppressed and improvement of flavor change over time is maintained when the temperature is 30° C. or below. These effects are more pronounced when the temperature is 18-24° C.
  • the time for the aging step (means) Y 1 is preferably 72-336 hours, and more preferably 96-192 hours.
  • the mixture immediately after the first wet mixing and the mixture aged after the first wet step (means) are inputted to the second wet mixing step (means) M 2 .
  • the second wet mixing step (means) M 2 has the feature of adding a second binder and mixing.
  • the effect of divided addition of the first binder and the second binder is that, in addition to the effect of improving initial aspiration quantity and flavor and reducing a change in aspiration quantity and flavor over time, molding into a desired form is facilitated in the sheet molding step (means) H 1 .
  • the reason for this is that mixing is easier than during addition in the first step (means), the time until the viscosity of the mixture becomes even can be shortened, and viscosity adjustment is facilitated.
  • celluloses As in the case of the first binder, celluloses, konjac mannan (glucomannan), guar gum, pectin, carrageenan, tamarind seed gum, gum arabic, soybean polysaccharide, locust bean gum, karaya gum, xanthan gum, agar, starch, corn starch, and the like can be used as the second binder, but polysaccharides other than cellulose are preferred.
  • viscosity mixing with the non-tobacco plant is favorable when the solution viscosity is 300 mPa ⁇ s or greater, as in the case of the first binder. A solution viscosity of 5000 mPa-s or greater is appropriate for binding of a non-tobacco plant. This viscosity is also measured by the method (device) described above.
  • the upper limit of measurement by the Brookfield viscometer is 100,000 mPa ⁇ s, a viscosity exceeding this upper limit is within the viscosity range described above.
  • a polysaccharide is preferred for use as the second binder.
  • a polysaccharide that is water soluble or that includes water and swells or forms a gel is particularly preferred for use.
  • the molded aroma-generating base material to be heated maintains an aggregated state, molding workability thereof is increased, and the occurrence of sheet breakage, dislodgement of the non-tobacco material, and other problems in the sheet molding step (means) H 1 is reduced.
  • Glucomannan, guar gum, pectin, carrageenan, locust bean gum, and agar are cited as examples of such a polysaccharide.
  • the solution viscosity thereof is preferably increased so as to be greater than the solution viscosity of the first binder.
  • Use of the binder in this manner further enhances the suitability thereof in the sheet molding step (means) H 1 .
  • glucomannan is most preferred.
  • the second wet mixing step (means) M 2 is also configured so that menthol, peppermint, cocoa, coffee, black tea essence, or another flavoring agent, crosslinked PVP or ⁇ -cyclodextrin having a function for causing temporary residence of the flavoring agent, microcrystalline cellulose having moldability and ease of release from a die or the like, sorbic acid, potassium sorbate, benzoic acid, sodium benzoate, or another food antimicrobial preservative for storage stability, or the like is prepared in the same manner as in step (means) Z 5 and added as needed.
  • An ordinary wet mixer can also be used when materials prepared as described above are mixed in the second wet mixing step (means) M 2 , the same as in the first wet mixing step (means) M 1 .
  • the mixer may be a mixer in which materials in a mixing tank are mixed while a shear force is applied thereto by an impeller, and it is also possible to knead and further intensify mixing using a roll mill, a kneader, or an extruder.
  • the mixing temperature in this step (means) is preferably 40° C. or lower, and more preferably 30° C. or lower, and maintaining the temperature at about 25° C. is even more preferred. The reason for this is that there is a risk of dissipation of fragrance components when excessive heat is applied during mixing. The temperature of the mixing tank must therefore be controlled.
  • the composition for an aroma-generating base material to be heated including a non-tobacco material produced in the second wet mixing M 2 is then inputted to the sheet molding step (means) H 1 and molded to the desired form.
  • sheet molding step (means) H 1 In order for the composition to be used as an aroma-generating base material to be heated, roll molding, press molding, or another sheet molding process is preferably applied thereto, but these processes are not limiting.
  • a method (device) whereby the composition is passed through an orifice and molded by compression, or a method (device) whereby the composition is dried and then pulverized into granular form may be employed.
  • Sheet molding that is suitable for producing the aroma-generating base material to be heated is described below.
  • a sheet is molded using a three-roll mill.
  • a three-roll mill is used, while kneading, dispersion, and the like are performed by a compression force from pressing between close rolls and a shear force from the roll speed difference, the desired sheet thickness can be obtained using a doctor blade, and a three-roll mill is particularly preferred for molding a sheet of the composition of the present invention, in which various materials having different properties are mixed.
  • a press roller or press machine may also be jointly used in fabricating a sheet.
  • the three-roll mill works the composition into a sheet shape while kneading and dispersing the composition, and therefore complements the first and second wet mixing steps, and a more preferred state of mixing and dispersion can be obtained. Consequently, when a three-roll mill is used in the second wet mixing step (means) M 2 , this means that there is no device distinction between the second wet mixing step (means) M 2 and the sheet molding step (means) H 1 , and mixing and molding are performed in the same process.
  • Mixing and dispersion can thus be performed in sheet molding which uses a three-roll mill, and it is therefore possible to configure the production method (device) so that a non-tobacco material, an aerosol former, a binder or thickener, a perfume, crosslinked PVP, ⁇ -cyclodextrin, microcrystalline cellulose, an antimicrobial preservative, pure water, or the like is also added as needed.
  • the method (device) was evaluated in comparison with the conventional production method (device) using the same materials across both methods and limiting the form of the aroma-generating base material to be heated to a filler.
  • the evaluation is described using Production Examples and working examples of the present invention.
  • Black tea leaves dried at 70° C., pulverized, and passed through an 80 mesh sieve were used. The moisture content thereof was 2% by mass.
  • a dried jiaogulan product pulverized and passed through an 80 mesh sieve was likewise used.
  • the resultant first mixture was inputted to the second wet mixing step (means) M 2 . While 100 parts by mass of the first mixture was loaded in a three-roll mill, 0.5 part by mass of glucomannan and 20 parts by mass of water were added. A step (means) for collecting a sheet-shaped product by pressing a doctor blade against a roll was repeated 8 times.
  • the second wet mixing step (means) M 2 and the sheet molding step (means) H 1 are performed by the same device, in which the first half of mixing can be regarded as the second mixing step (means) M 2 , and the second half of mixing can be regarded as the sheet molding step (means) H 1 .
  • a sheet having the desired thickness was produced while kneading and dispersion were accomplished at the same time in the three-roll mill.
  • the aroma-generating sheet to be heated which was produced by these steps (means) was molded so as to have a thickness of 0.3 mm.
  • the sheet was cut into a rectangle 150 mm in length ⁇ 240 mm in width, which was supplied to a rotary cutter and processed to a shape having a width of 1.5 mm, a length of 240 mm, and a thickness of 0.3 mm, and an aroma-generating filler to be heated was obtained.
  • Fifty units of the filler were bundled and arranged lengthwise, and paper having a basis weight of 34 g/m 2 was wound thereon and sized to produce a cylindrical aroma-generating processing object to be heated.
  • the inside diameter of the processing object was 6.9 mm.
  • the processing object was furthermore cut to a length of 12.0 mm to form an aroma generator to be heated.
  • the mass of the aroma generator to be heated was 0.29 g, and the volume filling ratio of the filler with respect to the volume of the aroma generator to be heated was 0.60.
  • the longitudinal direction of the rectangle into which the aroma-generating sheet to be heated was cut was parallel to the rotational axis of the roll, and the transverse direction thereof was the rotation direction of the roll (the same hereinbelow).
  • the aqueous solution viscosity of the sodium carboxymethyl cellulose used in the present Production Example was 650 mPa ⁇ s (Brookfield viscometer, 1% aqueous solution, 25° C.), and the aqueous solution viscosity of the glucomannan polysaccharide was 44000 mPa-s (Brookfield viscometer, 1% aqueous solution, 25° C.).
  • the sheet was cut into a rectangle 150 mm in length ⁇ 240 mm in width, which was supplied to a rotary cutter and processed to a shape having a width of 1.0 mm, a length of 240 mm, and a thickness of 0.1 mm, and an aroma-generating filler to be heated was obtained.
  • Two hundred twenty five units of the filler were bundled and arranged lengthwise, and paper having a basis weight of 34 g/m 2 was wound thereon and sized to produce a cylindrical aroma-generating processing object to be heated.
  • the inside diameter of the processing object was 6.9 mm.
  • the processing object was furthermore cut to a length of 12.0 mm to form an aroma generator to be heated.
  • the mass of the aroma generator to be heated was 0.29 g, and the volume filling ratio of the filler with respect to the volume of the aroma generator to be heated was 0.60.
  • the aroma-generating sheet to be heated was cut into a rectangle 150 mm in length ⁇ 240 mm in width, which was supplied to a rotary cutter and processed to a shape having a width of 1.0 mm, a length of 240 mm, and a thickness of 0.5 mm, and an aroma-generating filler to be heated was obtained.
  • Two hundred twenty five units of the filler were bundled and arranged lengthwise, and paper having a basis weight of 34 g/m 2 was wound thereon and sized to produce a cylindrical aroma-generating processing object to be heated.
  • the inside diameter of the processing object was 6.9 mm.
  • the processing object was furthermore cut to a length of 12.0 mm to form an aroma generator to be heated.
  • the mass of the aroma generator to be heated was 0.29 g, and the volume filling ratio of the filler with respect to the volume of the aroma generator to be heated was 0.60.
  • An aroma generator to be heated was fabricated for comparison, in which methyl cellulose and carboxymethyl cellulose as first binders and glucomannan as a second binder were added en bloc.
  • Black tea leaves dried at 70° C., pulverized, and passed through an 80 mesh sieve were used. The moisture content thereof was 2% by mass.
  • a dried jiaogulan product pulverized and passed through an 80 mesh sieve was likewise used.
  • the above materials were loaded into a mixer and mixed for 15 minutes, and a mixture including glucomannan and all the other materials above was obtained.
  • the mixture produced as described above was mixed in a three-roll mill, and an aroma-generating sheet to be heated having a thickness of 0.3 mm was fabricated while a step (means) for collecting a sheet-shaped product by pressing a doctor blade against a roll was repeated 8 times to accomplish kneading and dispersion of the mixture at the same time. There was difficulty in forming a sheet during molding using the three-roll mill. Although a sheet was formed, measurement thereof according to Evaluation A was not possible.
  • the resultant aroma-generating sheet to be heated was cut into a rectangle 150 mm in length ⁇ 240 mm in width, which was supplied to a rotary cutter and processed to a shape having a width of 1.5 mm, a length of 240 mm, and a thickness of 0.3 mm, and an aroma-generating filler to be heated was obtained.
  • Fifty units of the filler were bundled and arranged lengthwise, and paper having a basis weight of 34 g/m 2 was wound thereon and sized to produce a cylindrical aroma-generating processing object to be heated.
  • the inside diameter of the processing object was 6.9 mm.
  • the processing object was furthermore cut to a length of 12.0 mm to form an aroma generator to be heated.
  • the mass of the aroma generator to be heated was 0.29 g, and the volume filling ratio of the filler with respect to the volume of the aroma generator to be heated was 0.60.
  • an aroma cartridge of the type illustrated in FIG. 13 in which an aroma generator to be heated is joined to a mouthpiece provided with a support member and a filter, was fabricated.
  • the cartridge exterior body was formed by half-winding the paper twice to give an inside diameter of 6.9 mm and sizing the paper.
  • a paper pipe formed by twice half-winding paper having a basis weight of 32-45 g/m 2 is used as the cartridge exterior body, an aroma cartridge is obtained that is suitable for use in which the aroma generator to be heated portion thereof is inserted on the heating element of a heating-type smoking appliance.
  • An aroma cartridge was produced by inserting the support member and the filter from one end of the cartridge exterior body to form a mouthpiece, inserting the aroma generator to be heated from the other end of the cartridge exterior body, and then winding paper having a basis weight of 40 g/m 2 thereon so as to overlap with the mouthpiece portion.
  • a filter in which a cavity was not formed as an aspiration optimization means was used as the filter.
  • An aroma cartridge was fabricated in the same manner as in (Example A), except that the aroma generator to be heated that was fabricated in (Production Example B) was used.
  • An aroma cartridge was fabricated in the same manner as in (Example A), except that the aroma generator to be heated that was fabricated in (Production Example C) was used.
  • An aroma cartridge was fabricated in the same manner as in (Example A), except that the aroma generator to be heated that was fabricated in (Production Example D) was used.
  • An aroma cartridge was fabricated in the same manner as in (Example A), except that the aroma generator to be heated that was fabricated in (Comparative Production Example) was used. However, in fabrication of the aroma cartridge, the aroma-generating filler to be heated was too soft, and fabrication was difficult.
  • a tensile strength of the aroma-generating sheet to be heated was tested.
  • a commonly used tensile strength tester was used for tensile strength testing.
  • a sample having a width of 10.0 cm and a length of 22.0 cm cut from the aroma-generating sheet to be heated was used as a sample, and tensile strength was measured at a cross head speed of 10 cm/min and a distance of 20.0 cm between clamps of the tensile tester.
  • the testing environment was a room temperature of 20° C. and a humidity of 50%.
  • An aroma-generating sheet to be heated fabricated by each production method was evaluated by comparing a breaking strength thereof, and it was learned that a breaking strength of 3.9 N/mm 2 or greater, preferably 5.0 N/mm 2 or greater, was preferred comprehensively in terms of such characteristics as molding, aroma cartridge fabrication, initial aspiration quantity, initial flavor, and change over time in aspiration quantity and flavor.
  • the heating-type smoking appliance used was an IQOS (registered trademark) heating-type electronic tobacco device, produced by Philip Morris, of the type illustrated in FIG. 2A .
  • the heating element thereof has a width of 4.5 mm, a length to a tip thereof of 12 mm, and a thickness of 0.4 mm. Since the inside diameter of the chamber thereof is 7 mm, the outside diameter of the aroma cartridge is set to 6.9 mm so that the aroma cartridge could be inserted therein while leaving no gap.
  • the heating element is heated by electric power supplied from a battery provided in a heating-type electronic tobacco body, and reaches about 350° C.
  • the aroma cartridge portion that appears on the outside from a downstream side of the electronic cigarette device body has a length of approximately 20 mm.
  • the aroma cartridges of the present example and the comparative Production Example were inserted in the chamber of the electronic cigarette device, and a smoking test was performed. Aspiration quantity and flavor were both evaluated by sensory evaluation in the mouth during smoking, and flavor in particular, with regard to tea scent, was evaluated immediately after aroma cartridge fabrication and after leaving to stand in ⁇ Evaluation 1>>. The sensory test was performed by five test subjects. The evaluation criteria are described below.
  • the evaluation method comprises directing the aroma-generator-to-be-heated side of the smoked aroma cartridge vertically downward and observing whether the aroma-generating filler to be heated falls out.
  • the evaluation criteria are as described below.
  • the production method (device) has an effect on the internal structure of the aroma-generating base material to be heated, and that the aroma-generating base material to be heated fabricated by the appropriate production method (device) functions as a gas-generation-maintaining material for the aroma cartridge that is fabricated using the aroma-generating base material to be heated.
  • the present invention another material that functions as a gas-generation-maintaining material was discovered. This material consists of inorganic particles.
  • An aroma generator to be heated was fabricated and an aroma cartridge was assembled in accordance with (Production Example 1), but in the present example, after the aroma-generating sheet to be heated which was fabricated in (Production Example 1) was cut to a length of 12 mm and a width of 1.5 mm (and a thickness of 0.5 mm) to fabricate an aroma-generating filler to be heated, a step (means) for adding predetermined amounts of various inorganic particles and spraying and coating with the inorganic particles so as to evenly adhere the inorganic particles to the surface of the aroma-generating filler to be heated was added, as indicated by the spraying step (means) H 2 in FIG. 32 .
  • the purpose of this step (means) was to evenly adhere the inorganic particles to the surface of the aroma-generating filler to be heated.
  • this step (means) in order to confirm that the inorganic particles were adhering to the surface of the aroma-generating filler to be heated, the surface was observed using a microscope.
  • the aroma-generating filler to be heated, the inorganic particles adhering thereto, was processed into an aroma generator to be heated, which was assembled into an aroma cartridge in accordance with (Production Example 1).
  • the filling ratio was also increased in order to clarify the effect of the inorganic particles.
  • ⁇ Evaluation 1>> was performed for the aroma cartridge thus fabricated.
  • ⁇ Evaluation 2>> described below was furthermore performed using the heating-type electronic cigarette device described in ⁇ Evaluation B>>.
  • the evaluation index is an expression of the degree of fouling after aspiration of 50 of the various aroma cartridges of the present example in terms of the number of aroma cartridges of Comparative Example 1 aspirated to give a matching degree of fouling. A smaller number is therefore preferred for this index.
  • Calcium carbonate powder having an average particle diameter of 15 ⁇ m in the amount of 1 part by mass with respect to 100 parts by mass of an aroma-generating filler to be heated which was cut as described above from the aroma-generating sheet to be heated fabricated in (Production Example 1), was sprayed so as to adhere to the entire surface of the aroma-generating filler to be heated, and said entire surface was coated with the calcium carbonate powder.
  • an aroma generator to be heated was fabricated using 0.29 g of the aroma-generating filler to be heated having calcium carbonate particles on the surface thereof.
  • An aroma cartridge was assembled from a mouthpiece and the aroma generator to be heated. The measured filling ratio of the filler in this case was 81%.
  • an aroma generator to be heated was fabricated using 0.29 g of the aroma-generating filler to be heated having magnesium carbonate particles on the surface thereof.
  • An aroma cartridge was assembled from a mouthpiece and the aroma generator to be heated. The measured filling ratio of the filler in this case was 80%.
  • an aroma generator to be heated was fabricated using 0.29 g of the aroma-generating filler to be heated having silicon oxide particles on the surface thereof.
  • An aroma cartridge was assembled from a mouthpiece and the aroma generator to be heated. The measured filling ratio of the filler in this case was 80%.
  • an aroma generator to be heated was fabricated using 0.29 g of the aroma-generating filler to be heated having alumina particles on the surface thereof.
  • An aroma cartridge was assembled from a mouthpiece and the aroma generator to be heated. The measured filling ratio of the filler in this case was 81%.
  • an aroma generator to be heated was fabricated using 0.29 g of the aroma-generating filler to be heated which was coated with alumina particles.
  • An aroma cartridge was assembled from a mouthpiece and the aroma generator to be heated. The measured filling ratio of the filler in this case was 81%.
  • an aroma generator to be heated was fabricated using 0.29 g of the aroma-generating filler to be heated which was coated with silicon oxide particles.
  • An aroma cartridge was assembled from a mouthpiece and the aroma generator to be heated. The measured filling ratio of the filler in this case was 81′.
  • an aroma generator to be heated was fabricated using 0.29 g of the aroma-generating filler to be heated which was coated with silicon oxide particles.
  • An aroma cartridge was assembled from a mouthpiece and the aroma generator to be heated. The measured filling ratio of the filler in this case was 65%.
  • An aroma generator to be heated was fabricated using, without modification thereof, 0.29 g of the aroma-generating filler to be heated which was cut as described above from the aroma-generating sheet to be heated fabricated in (Production Example 1).
  • An aroma cartridge was assembled from a mouthpiece and the aroma generator to be heated. The measured filling ratio of the filler in this case was 81%.
  • the inorganic particles act as spacers to reduce the contact area between fillers, and have the effect of inhibiting fusion of the fillers due to bleed-out of the aerosol former even when placed in a high-temperature state for a long time, and the inorganic particles have such effects as suppressing bleed-out of the aerosol former.
  • the inorganic particles also have the effects of preventing contamination of the heating element.
  • a good effect is obtained when the average particle diameter of an added inorganic powder is 1-50 ⁇ m, and prevention of contamination is further increased when the average particle diameter is 5 ⁇ m or greater.
  • a good effect is obtained when the added quantity an added inorganic powder is 0.01-5 parts by mass, and prevention of contamination is further increased when the added quantity is 0.1 part by mass or greater.
  • the reason that the inorganic particles have the effect of preventing contamination of the heating element is not known for certain, but such reasons as the following can be conjectured.
  • An inorganic material is not readily decomposed by heating, the inorganic particles polish the surface of the heating element and remove contaminating matter when the aroma cartridge is installed on and removed from the heating element, and the inorganic particles reduce the area of contact between the heating element surface and the aroma-generating filler to be heated.
  • the inorganic particles preferably have an average particle diameter of 1-100 ⁇ m.
  • the effect of the inorganic particles decreases when the average particle diameter thereof is less than 1 ⁇ m.
  • An average particle diameter of 5 ⁇ m or greater is preferred, because the effect of the inorganic particles is thereby increased.
  • an average particle diameter of 10 ⁇ m or greater is more preferred.
  • the filling ratio of the filler decreases the larger the average particle diameter is, but when the average particle diameter is 50 ⁇ m or less, the inorganic particles have a large effect, and the minimum necessary filling ratio can be ensured.
  • the minimum necessary filling ratio herein is closely related to the aspiration quantity of gas generated by heating.
  • the necessary filling ratio is more preferably 65% or greater, and even more preferably 70% or greater.
  • the filling ratio exceeds 90%, problems arise in that gaps between fillers are decreased, smoking is difficult, and insertion on the heating element also becomes difficult.
  • This filling ratio can be evaluated by a method for calculating the area ratio of the aroma-generating base material to be heated with respect to a cross section of the aroma generator to be heated.
  • the filling ratio was determined by evaluating a filler and a gap portion including no filler, using a digital microscope. An image was projected on a display at a magnification of 100 using a digital microscope (VHX-2000, produced by KEYENCE CORPORATION). A range of the image to be analyzed was set to a region in which only the filler and the gap portion including no filler appeared. In this case, for an observation sample having a diameter of 7.0 mm, the range was set to 3.5 mm horizontally and 2.6 mm vertically.
  • an “extraction mode” was set to “luminance” in an “automatic measurement mode” using included software.
  • “standard” was selected
  • an “extraction parameter” was set to “bright”
  • a “threshold value” was selected so that the observed filler and gap were separated.
  • the filling ratio was determined as the ratio of the entire measurement region that was occupied by the filler.
  • the average particle diameter of the inorganic particles in the present invention was determined by a wet method using a laser diffraction/scattering-type particle diameter distribution measuring device.
  • a Microtrac MT3300III produced by MICROTRACBEL CORPORATION was used.
  • the average particle diameter in the present invention indicates the median diameter D 50 at 50% of a volume-based distribution accumulated for a range of 0.02 ⁇ m to 2000 ⁇ m.
  • inorganic particles in the present invention was confirmed not only by microscope observation in the producing steps (means), but also by observation of the filler surface using an optical microscope or an electron microscope.
  • the presence of inorganic particles was also confirmed by microscope or electron microscope observation of residue from thermal decomposition of the filler, from results of about 10 observations in a visual field of 100 ⁇ m ⁇ 100 ⁇ m at an appropriate magnification. Confirmation that inorganic particles in a residue were the added inorganic particles was obtained using a scanning electron microscope capable of X-ray microanalysis (XMA).
  • XMA scanning electron microscope capable of X-ray microanalysis
  • the added quantity of inorganic particles must be at least 0.001 part by mass with respect to 100 parts by mass of the filler in order for the effect of the inorganic particles to manifest, and is more preferably 0.01 part by mass or greater, and even more preferably 0.05 part by mass or greater. Conversely, when the added quantity exceeds 10 parts by mass with respect to 100 parts by mass of the filler, the filling ratio of the filler decreases, which affects gas aspiration quantity or flavor. From this perspective, an added quantity of 5 parts by mass or less is more preferred, and an added quantity of 2 parts by mass or less is even more preferred.
  • Inorganic substances that can be used as the inorganic particles of the present invention are not particularly limited, but sodium chloride, potassium chloride, and other metal chlorides, magnesium oxide, calcium oxide, titanium oxide, iron oxide, alumina, and other metal oxides, magnesium carbonate, calcium carbonate, and other metal carbonates, magnesium sulfate, calcium sulfate, and other metal sulfates, calcium phosphate and other metal phosphates, and potassium titanate, magnesium titanate, and other titanates can be used singly, or two or more of the above substances can be selected for use. Zeolite, colloidal silica, fumed silica, and other silicon oxides, and natural materials such as diatomaceous earth and vermiculite can also be used. Magnesium carbonate, calcium carbonate, silicon oxide, and alumina are particularly preferred.
  • the inorganic particles can be attached to the aroma-generating base material to be heated in the spraying step (means) H 2 in FIG. 32 , but can also be attached in the spraying step (means) S 4 in FIG. 32 .
  • An aroma-generating base material to be heated that includes inorganic particles can also be fabricated by adding inorganic particles in an aroma-generating composition to be heated, as indicated in FIGS. 28-31 . When this method (device) is used, the inorganic particles are not present only the surface of the aroma-generating base material to be heated, but the effect of the inorganic particles is confirmed.
  • the inorganic particles function as a gas-generation-maintaining material by not only inhibiting fusion between aroma-generating base materials to be heated by acting as spacers to reduce the contact area therebetween, but by hindering movement of the aerosol former, the non-tobacco material, the binders, and other constituent materials within the aroma-generating base material to be heated.
  • This conjecture is based on the fact that inorganic particles added as a bulking agent in a polymer material serve as crosslinking points, enhancing heat resistance, chemical resistance, and other chemical characteristics, and tensile strength, elastic modulus, and other physical characteristics.
  • an aroma generator to be heated in which an aroma-generating base material to be heated functions as a gas-generation-maintaining material, and an aroma generator to be heated in which inorganic particles function as a gas-generation-maintaining material. Consequently, it is also possible to provide an aroma cartridge in which there is no need to provide a gas aspiration optimization means to a mouthpiece, as illustrated in FIG. 33 .
  • an aroma cartridge in which an aroma generator to be heated provided with a gas-generation-maintaining material and a mouthpiece provided with a gas aspiration optimization means are combined.
  • the present invention can provide an aroma cartridge of tobacco of genus Nicotiana of the family Solanaceae and a plant of the same genus, and of a harmless aroma which is derived from a plant or the like not including a tobacco component, whereby smoking can be enjoyed with a cigarette sensation not only by an experienced flame-type smoker but also by a first-time smoker.
  • the present invention is therefore a novel smoking appliance whereby smoking that is devoid of adverse health effects on the smoker as well as on surrounding non-smokers can be enjoyed, and which induces a waves in the brain, has a soothing effect, and helps to promote health and beauty.
  • the aroma cartridge of the present invention is also provided with a gas aspiration optimization means and a gas-generation-maintaining material, and therefore has the feature that no change in flavor or aspiration quantity of smoke and a fragrance component occurs even when the aroma cartridge is stored for a long time. Consequently, technology relating to the aroma cartridge of the present invention has broad applicability in incense sticks, incense burning, incense powder, rubbing incense, and the like, or in aromatherapy and the like.

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EP4273189A4 (fr) * 2021-09-06 2024-07-10 Kt & G Corp Feuille d'arôme ayant des propriétés physiques améliorées, article à fumer comprenant celle-ci, et procédé de production de feuille d'arôme et d'article à fumer
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GB202006633D0 (en) * 2020-05-05 2020-06-17 Nicoventures Holdings Ltd Aerosol generating material
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