WO2023118854A1 - An article for use in an aerosol provision system and a method of manufacturing an article for use in an aerosol provision system - Google Patents
An article for use in an aerosol provision system and a method of manufacturing an article for use in an aerosol provision system Download PDFInfo
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- WO2023118854A1 WO2023118854A1 PCT/GB2022/053327 GB2022053327W WO2023118854A1 WO 2023118854 A1 WO2023118854 A1 WO 2023118854A1 GB 2022053327 W GB2022053327 W GB 2022053327W WO 2023118854 A1 WO2023118854 A1 WO 2023118854A1
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
- A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- 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
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/18—Other treatment of leaves, e.g. puffing, crimpling, cleaning
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
- A24C5/1807—Forming the rod with compressing means, e.g. garniture
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
- A24C5/1828—Forming the rod by cutting tobacco sheet material
-
- 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
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/42—Cartridges or containers for inhalable precursors
-
- 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
- A24F40/70—Manufacture
Definitions
- the present disclosure relates to an article for use in an aerosol provision system.
- the present disclosure also relates to a method of manufacturing an article for use in an aerosol provision system, a kit of parts comprising an article and an aerosol provision device, and to a package of articles. Background
- Aerosol-provision systems generate an inhalable aerosol or vapour during use by releasing compounds from an aerosol-generating-material. These may be referred to as non-combustible smoking articles, aerosol generating assemblies, or aerosol provision devices, for example.
- an article for use in an aerosol provision system comprising: a substrate comprising a first aerosol generating material; and, a body of material comprising a second aerosol generating material, wherein the substrate at least partially circumscribes the body of material.
- the article further comprises a first sheet material and, preferably, wherein the substrate is attached to the first sheet material. In some embodiments, the substrate is adhered to the first sheet material.
- the first sheet material and substrate are arranged such that the substrate is provided on an inside surface of the first sheet material. In some embodiments, the first sheet material surrounds, or at least partially surrounds, the substrate.
- an edge of the substrate is spaced from an edge of the first sheet material such that a region of the first sheet material is not covered by the substrate and, preferably, wherein said edges are longitudinal edges of the substrate and first sheet material.
- the first sheet material forms an exterior surface of the article.
- the first sheet material has a permeability of at most 100 Coresta Units.
- the first sheet material has a thickness in the range of 20 to 100 microns.
- the second sheet material is attached to the first sheet material, for example, by adhesive.
- the substrate comprises a second sheet material.
- the second sheet material is a cast sheet.
- the substrate is cast on to the first sheet material.
- a first sheet material may be provided, and a slurry comprising the first aerosol generating material may be provided on the first sheet material and allowed to dry.
- the second sheet material comprises the first aerosol generating material.
- the second sheet material is formed from a slurry that comprises the first aerosol generating material
- the slurry is cast to form the second sheet material.
- the first aerosol generating material is attached to a surface of the second sheet material and, preferably, is adhered to the surface of the second sheet material.
- the second sheet material comprises one or more of: paper, card and/or aerosol generating material.
- the second aerosol generating material has a higher or lower density than the first aerosol generating material.
- the density of one of the first and second aerosol-generating materials is at least about 25% higher than the density of the other one of the first and second aerosol generating materials.
- the density of the first and second aerosol generating materials is the same.
- one of the first and second aerosol generating materials has a density of from about 0.1 g/cm3 to about 1 g/cm3.
- the other one of the first and second aerosol generating materials has a density of from about 0.4 g/cm3 to about 2 g/cm3.
- the heating of the article provides a relatively constant release of volatile compounds into an inhalable medium.
- the first aerosol-generating material comprises extruded tobacco.
- the first aerosol-generating material comprises beads.
- the second aerosol-generating material comprises one or more tobacco material selected from the group consisting of lamina and reconstituted tobacco material.
- At least one of the first and second aerosol-generating material comprises a combination of lamina and reconstituted tobacco material.
- the lamina and reconstituted tobacco material are present in the aerosol- generating material in a ratio of from 1:4 to 4: 1, by weight.
- the first and second aerosol-generating materials have the same levels of a volatile compound.
- the volatile compound is nicotine.
- the release of a volatile compound from the first and second aerosol-generating material is at the same rate when the materials reach a given temperature.
- the first and second aerosol-generating materials are present in the article in a ratio of from i:io to io:i, by weight.
- the article comprises in the range of 7 mg per mm to 13 mg of the first and aerosol generating material combined per mm length of the article and, preferably, in the range of 8 to 12, 9 to 11.5, 9 to 11, or 9.5 to 10.5 mg of the first and second aerosol generating material combined per mm length of the article.
- the substrate circumscribes the entire circumference of the body of material.
- the first sheet material circumscribes the body of material. In some embodiments, the patch circumscribes the body of material.
- he body of material comprises a third sheet material that is gathered to form the body of material.
- the third sheet material is crimped and/or cut into strips.
- the substrate is in direct contact with the body of material.
- the body of material comprises a tobacco rod.
- the body of material may comprise shredded tobacco material that is formed into a rod.
- the body of material comprises cut rag tobacco that is formed into a rod.
- the substrate comprises a first end that is spaced from a first end of the body of material.
- the substrate comprises a second end, opposite to the first end of the substrate, wherein the second end is spaced from a second end of the body of material. In some embodiments, the substrate extends over a portion of the length of the body of material. In some embodiments, the patch extends over the entire length of the body of material.
- the body of material extends over a portion of the length of the article. In some embodiments, the body of material extends over the entire length of the article. In some embodiments, the first aerosol generating material comprises aerosol generating material dust and/or aerosol generating material fibres.
- the first aerosol generating material comprises extruded and/or compressed aerosol generating material.
- the first aerosol generating material comprises beads.
- the beads have a diameter in the range of 0.5 to 3 mm and, preferably, in the range of 1 to 2 mm.
- the first and/or second aerosol generating material comprises, consists of, or essentially consists of tobacco material.
- the second aerosol generating material comprises shredded tobacco and/ or reconstituted tobacco.
- the tobacco material of the first and/or second aerosol generating material is derived only from tobacco lamina and no other types of tobacco material.
- the first and/or second aerosol generating material comprises tobacco lamina and reconstituted tobacco.
- the first and second aerosol generating material together have an average nicotine level in the range of 0.5% to 2.5% by weight of the first and second aerosol generating material and, preferably, in the range of 1% to 2.1%.
- the total weight of aerosol generating material in the article is in the range of 150 to 350 mg and, preferably, in the range of 200 to 300 mg, 220 to 280 mg, or 230 to 260 mg.
- the article comprises in the range of 7 mg per mm to 13 mg of aerosol generating material (including the first and second aerosol generating material) per mm length of the article and, preferably, in the range of 8 to 12, 9 to 11.5, 9 to 11, or 9.5 to 10.5 mg of aerosol generating material per mm length of the article.
- the first and/or second aerosol generating material is a solid material.
- the article does not comprise plastic.
- the article does not comprise cellulose acetate.
- the first and second aerosol generating materials are manufactured from the same aerosol generating starter materials that are processed to have different forms.
- the substrate comprises a third aerosol generating material.
- the substrate comprises a second sheet material that comprises the first and/or third aerosol generating materials.
- the second sheet material maybe formed from a slurry that comprises the first and/or third aerosol generating materials.
- the first and/or third aerosol generating materials are applied to a surface of the second sheet material.
- the second sheet material comprises one of the first and third aerosol generating materials and the other one of the first and third aerosol generating materials is applied to a surface of the second sheet material.
- a method of manufacturing an article for use in an aerosol provision system comprising: providing a substrate comprising a first aerosol generating material; and, arranging the substrate such that the substrate at least partially circumscribes a body of material comprising a second aerosol generating material.
- the method further comprises providing a first sheet material, wherein the substrate is attached to the first sheet material. In some embodiments, the substrate is adhered to the first sheet material.
- the first sheet material forms an exterior surface of the article.
- the first sheet material has a permeability of at most too Coresta Units.
- the first sheet material has a thickness in the range of 20 to 100 microns.
- the second sheet material is attached to the first sheet material, for example, by adhesive.
- the body of material comprises a tobacco rod.
- the body of material may comprise shredded tobacco material that is formed into a rod.
- the body of material comprises cut rag tobacco that is formed into a rod.
- providing the first sheet material comprises providing a web of first sheet material. In some embodiments, the method comprises applying the substrate to the web of first sheet material.
- the substrate comprises a second sheet material and, preferably, the second sheet material is a cast sheet.
- applying the substrate comprising applying a web of the second sheet material to the web of first sheet material.
- applying the substrate comprises applying a plurality of portions of second sheet material to the web of first sheet material.
- the plurality of portions of second sheet material are spaced from each other on the web of first sheet material. In some embodiments, the portions of second sheet material are discrete. The portions of second sheet material maybe spaced from each other in a direction along the conveyance path of the web of first sheet material.
- the first sheet material and substrate are arranged such that the substrate is provided on an inside surface of the first sheet material. In some embodiments, the first sheet material circumscribes, or at least partially circumscribes, the substrate.
- an edge of the substrate is spaced from an edge of the first sheet material such that a region of the first sheet material is not covered by the substrate and, preferably, wherein said edges are longitudinal edges of the substrate and first sheet material.
- the second sheet material comprises the first aerosol generating material.
- the second sheet material is formed from a slurry that comprises the first aerosol generating material. In some embodiments, the slurry is cast to form the second sheet material.
- the first aerosol generating material is attached to a surface of the second sheet material and, preferably, is adhered to the surface of the second sheet material. In some embodiments, the first aerosol generating material is attached to the surface of the second sheet material before or after attaching the second sheet material to the first sheet material. In some embodiments, the second sheet material comprises one or more of: paper, card and/or aerosol generating material.
- the second aerosol generating material has a higher or lower density than the first aerosol generating material.
- the substrate circumscribes the entire circumference of the body of material.
- the first sheet material circumscribes the body of material. In some embodiments, the patch circumscribes the body of material.
- the body of material comprises a third sheet material and, preferably, the method comprises gathering the third sheet material to form the body of material.
- the third sheet material is crimped and/or cut into strips.
- arranging the substrate comprises arranging the substrate in direct contact with the body of material.
- the body of material comprises a tobacco rod.
- the body of material may comprise shredded tobacco material that is formed into a rod.
- the body of material comprises cut rag tobacco that is formed into a rod.
- the substrate comprises a first end that is spaced from a first end of the body of material and, preferably, wherein the substrate comprises a second end, opposite to the first end of the substrate, wherein the second end is spaced from a second end of the body of material.
- the substrate extends over a portion of the length of the body of material.
- the patch extends over the entire length of the body of material.
- the body of material extends over a portion of the length of the article. In some embodiments, the body of material extends over the entire length of the article.
- the first aerosol generating material comprises aerosol generating material dust and/ or aerosol generating material fibres.
- the first aerosol generating material comprises extruded and/or compressed aerosol generating material. In some embodiments, the first aerosol generating material comprises beads.
- the beads have a diameter in the range of 0.5 to 3 mm and, preferably, in the range of 1 to 2 mm.
- the first and/or second aerosol generating material comprises, consists of, or essentially consists of tobacco material.
- the second aerosol generating material comprises shredded tobacco and/or reconstituted tobacco.
- the tobacco material of the first and/or second aerosol generating material is derived only from tobacco lamina and no other types of tobacco material. In some embodiments, the first and/or second aerosol generating material comprises tobacco lamina and reconstituted tobacco.
- the first and second aerosol generating material together have an average nicotine level in the range of 0.5% to 2.5% by weight of the first and second aerosol generating material and, preferably, in the range of 1% to 2.1%.
- the total weight of aerosol generating material in the article is in the range of 150 to 350 mg and, preferably, in the range of 200 to 300 mg, 220 to 280 mg, or 230 to 260 mg.
- the article comprises in the range of 6 mg per mm to 18 mg of aerosol generating material per mm length of the article and, preferably, in the range of 8 to 16, 10 to 14, or 11 to 12 mg of aerosol generating material per mm length of the article.
- the first and/or second aerosol generating material is a solid material.
- the article does not comprise plastic. In some embodiments, the article does not comprise cellulose acetate.
- the first and second aerosol generating materials are manufactured from the same aerosol generating starter materials that are processed to have different forms.
- the substrate comprises a third aerosol generating material.
- the substrate comprises a second sheet material that comprises the first and/or third aerosol generating materials.
- the second sheet material may be formed from a slurry that comprises the first and/ or third aerosol generating materials.
- the first and/or third aerosol generating materials are applied to a surface of the second sheet material.
- the second sheet material comprises one of the first and third aerosol generating materials and the other one of the first and third aerosol generating materials is applied to a surface of the second sheet material.
- an article manufactured according to the method disclosed herein there is also provided a package comprising a plurality of articles as disclosed herein. In some embodiments, the package is hermetically sealed.
- kit of parts comprising an article as disclosed herein and an aerosol provision device.
- the aerosol provision device comprises a heating chamber for receiving the article to heat the first and second aerosol generating materials.
- FIG. i is cross-sectional side view of an embodiment of an article for use in an aerosol provision system
- Fig. 2 is a top view of a first sheet material of the article of Fig. 1, wherein the first sheet material is laid flat;
- Fig. 3 is a top view of a second sheet material of the article of Fig. i, wherein the second sheet material is laid flat;
- Fig. 4 is perspective view of an embodiment of the article of Fig. 1;
- Fig. 5 is a top view of a substrate of the article of Fig. i, wherein the substrate is laid flat;
- Fig. 6 is a top view of an arrangement for use in the manufacture of the article of Fig. 1, wherein the arrangement comprises the first sheet material and the substrate;
- Fig. 7 is a perspective view of a bead of aerosol-generating material of the article of Fig. 1;
- Fig. 8 is a cross-sectional side view of another embodiment of an article for use in an aerosol provision system
- Fig. 9 is a cross-sectional side view of another embodiment of an article for use in an aerosol provision system
- Fig. io is a cross sectional view of an embodiment of a non-combustible aerosol provision device
- Fig. n is a simplified schematic of the components within the housing of the aerosol provision device shown in Fig. io;
- Fig. 12 is a cross sectional view of the non-combustible aerosol provision device shown in Fig. 10 with the article shown in Fig. 1 inserted into the device;
- Fig. 13 is a cross-sectional side view of another embodiment of an article for use in an aerosol provision system
- Fig. 14 is a block diagram illustrating a method of manufacturing an article for use in an aerosol provision system
- Fig. 15A is a top view of a first step of a method of manufacturing an article for use in an aerosol provision device
- Fig. 15B is a top view of a second step of a method of manufacturing an article for use in an aerosol provision system
- Fig. 15C is a top view of a third step of a method of manufacturing an article for use in an aerosol provision system
- Fig. 15D is a top view of a fourth step of a method of manufacturing a consumable for use in an aerosol provision system
- Fig. 15E is a top view of a fifth step of a method of manufacturing an article for use in an aerosol provision system
- Fig. 15F is a cross-sectional side view of a sixth step of a method of manufacturing an article for use in an aerosol provision system
- Fig. 15G is a cross-sectional side view of a seventh step of a method of manufacturing an article for use in an aerosol provision system
- Fig. 16 is a schematic diagram of an apparatus for manufacturing an article for use in an aerosol provision system
- Fig. 17 is a cross-sectional side view of another embodiment of an article for use in an aerosol provision system; and, Fig. 18 is a top view of a first sheet material and substrate of the article of Fig. 17, wherein the first sheet material and substrate are laid flat.
- the term “delivery system” is intended to encompass systems that deliver at least one substance to a user, and includes: combustible aerosol provision systems, such as cigarettes, cigarillos, cigars, and tobacco for pipes or for roll-your-own or for make-your-own cigarettes (whether based on tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco, tobacco substitutes or other smokable material); non-combustible aerosol provision systems that release compounds from an aerosol-generating material without combusting the aerosol-generating material, such as electronic cigarettes, tobacco heating products, and hybrid systems to generate aerosol using a combination of aerosol-generating materials; and aerosol-free delivery systems that deliver the at least one substance to a user orally, nasally, transdermally or in another way without forming an aerosol, including but not limited to, lozenges, gums, patches, articles comprising inhalable powders, and oral products such as oral tobacco which includes snus or moist snuff, wherein the at least one substance may or may not
- a “non-combustible” aerosol provision system is one where a constituent aerosol-generating material of the aerosol provision system (or component thereof) is not combusted or burned in order to facilitate delivery of at least one substance to a user.
- the delivery system is a non-combustible aerosol provision system, such as a powered non-combustible aerosol provision system.
- the non-combustible aerosol provision system is an electronic cigarette, also known as a vaping device or electronic nicotine delivery system (END), although it is noted that the presence of nicotine in the aerosol-generating material is not a requirement.
- END electronic nicotine delivery system
- the non-combustible aerosol provision system is an aerosolgenerating material heating system, also known as a heat-not-burn system.
- An example of such a system is a tobacco heating system.
- the non-combustible aerosol provision system is a hybrid system to generate aerosol using a combination of aerosol-generating materials, one or a plurality of which may be heated.
- Each of the aerosol-generating materials may be, for example, in the form of a solid, liquid or gel and may or may not contain nicotine.
- the hybrid system comprises a liquid or gel aerosol-generating material and a solid aerosol-generating material.
- the solid aerosol-generating material may comprise a plant based material, for example, tobacco or a non-tobacco product.
- the non-combustible aerosol provision system may comprise a non- combustible aerosol provision device, and a consumable for use with the non- combustible aerosol provision device.
- the disclosure relates to consumables comprising aerosolgenerating material and configured to be used with non-combustible aerosol provision devices. These consumables are sometimes referred to as articles throughout the disclosure.
- upstream and downstream used herein are relative terms defined in relation to the direction of mainstream aerosol drawn through an article or device in use.
- Reference to the ‘distal end’ refers to an upstream end of the device, whereas ‘proximal end’ refers to the downstream end of the device.
- the non-combustible aerosol provision system such as a noncombustible aerosol provision device thereof, may comprise a power source and a controller.
- the power source may, for example, be an electric power source or an exothermic power source.
- the exothermic power source comprises a carbon substrate which may be energised so as to distribute power in the form of heat to an aerosol-generating material or to a heat transfer material in proximity to the exothermic power source.
- the non-combustible aerosol provision system comprises an area for receiving the consumable, an aerosol generator, an aerosol generation area, a housing, a mouthpiece, a filter and/ or an aerosol-modifying agent.
- the consumable for use with the non-combustible aerosol provision device may comprise aerosol-generating material, an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generator, an aerosol generation area, a housing, a wrapper, a filter, a mouthpiece, and/ or an aerosol-modifying agent.
- the consumable comprises a substance to be delivered.
- the substance to be delivered is an aerosol-generating material.
- the material may comprise one or more active constituents, one or more flavours, one or more aerosol-former materials, and/or one or more other functional materials.
- the substance to be delivered comprises an active substance.
- the active substance as used herein may be a physiologically active material, which is a material intended to achieve or enhance a physiological response.
- the active substance may for example be selected from nutraceuticals, nootropics, psychoactives.
- the active substance may be naturally occurring or synthetically obtained.
- the active substance may comprise for example nicotine, caffeine, taurine, theine, vitamins such as B6 or B12 or C, melatonin, cannabinoids, or constituents, derivatives, or combinations thereof.
- the active substance may comprise one or more constituents, derivatives or extracts of tobacco, cannabis or another botanical.
- the active substance comprises nicotine.
- the active substance comprises caffeine, melatonin or vitamin B12.
- the active substance may comprise or be derived from one or more botanicals or constituents, derivatives or extracts thereof.
- botanical includes any material derived from plants including, but not limited to, extracts, leaves, bark, fibres, stems, roots, seeds, flowers, fruits, pollen, husk, shells or the like.
- the material may comprise an active compound naturally existing in a botanical, obtained synthetically.
- the material may be in the form of liquid, gas, solid, powder, dust, crushed particles, granules, pellets, shreds, strips, sheets, or the like.
- Example botanicals are tobacco, eucalyptus, star anise, hemp, cocoa, cannabis, fennel, lemongrass, peppermint, spearmint, rooibos, chamomile, flax, ginger, ginkgo biloba, hazel, hibiscus, laurel, licorice (liquorice), matcha, mate, orange skin, papaya, rose, sage, tea such as green tea or black tea, thyme, clove, cinnamon, coffee, aniseed (anise), basil, bay leaves, cardamom, coriander, cumin, nutmeg, oregano, paprika, rosemary, saffron, lavender, lemon peel, mint, juniper, elderflower, vanilla, wintergreen, beefsteak plant, curcuma, turmeric, sandalwood, cilantro, bergamot, orange blossom, myrtle, cassis, valerian, pimento, mace, damien, marjoram, olive, lemon
- the mint maybe chosen from the following mint varieties: Mentha Arventis, Mentha c.v., Mentha niliaca, Mentha piperita, Mentha piperita citrata c.v., Mentha piperita c.v, Mentha spicata crispa, Mentha cardifolia, Memtha longifolia,
- the active substance comprises or is derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is tobacco. In some embodiments, the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from eucalyptus, star anise, cocoa and hemp. In some embodiments, the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from rooibos and fennel.
- the substance to be delivered comprises a flavour.
- flavour and “flavourant” refer to materials which, where local regulations permit, maybe used to create a desired taste, aroma or other somatosensorial sensation in a product for adult consumers. They may include naturally occurring flavour materials, botanicals, extracts of botanicals, synthetically obtained materials, or combinations thereof (e.g., tobacco, cannabis, licorice
- the flavour comprises menthol, spearmint and/or peppermint.
- the flavour comprises flavour components of cucumber, blueberry, citrus fruits and/or redberry.
- the flavour comprises eugenol.
- the flavour comprises flavour components extracted from tobacco.
- the flavour comprises flavour components extracted from cannabis.
- the flavour may comprise a sensate, which is intended to achieve a somatosensorial sensation which are usually chemically induced and perceived by the stimulation of the fifth cranial nerve (trigeminal nerve), in addition to or in place of aroma or taste nerves, and these may include agents providing heating, cooling, tingling, numbing effect.
- a suitable heat effect agent may be, but is not limited to, vanillyl ethyl ether and a suitable cooling agent may be, but not limited to eucolyptol, WS-3.
- the aerosol-generating material may comprise or be an “amorphous solid”.
- the aerosol-generating material comprises an aerosol-generating film that is an amorphous solid.
- the amorphous solid maybe a “monolithic solid”.
- the amorphous solid may be substantially non-fibrous.
- the amorphous solid may be a dried gel.
- the amorphous solid is a solid material that may retain some fluid, such as liquid, within it.
- the amorphous solid may, for example, comprise from about 50wt%, 6owt% or 70wt% of amorphous solid, to about 90wt%, 95wt% or ioowt% of amorphous solid.
- An aerosol-generating material may also be referred to as an aerosolisable material.
- An aerosol-generating material is a material that is capable of generating aerosol, for example when heated, irradiated or energized in any other way.
- An aerosol-generating material may be in the form of a solid, liquid or gel which may or may not contain an active substance and/or flavourants.
- the aerosol-generating material is incorporated into an article for use in the aerosol-generating system.
- tobacco material refers to any material comprising tobacco or derivatives or substitutes thereof.
- the tobacco material may be in any suitable form.
- tobacco material may include one or more of tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco or tobacco substitutes.
- the tobacco material may comprise one or more of ground tobacco, tobacco fibre, cut tobacco, extruded tobacco, tobacco stem, tobacco lamina, reconstituted tobacco and/or tobacco extract.
- a consumable is an article comprising or consisting of aerosol-generating material, part or all of which is intended to be consumed during use by a user.
- a consumable may comprise one or more other components, such as an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generation area, a housing, a wrapper, a mouthpiece, a filter and/ or an aerosol-modifying agent.
- a consumable may also comprise an aerosol generator, in particular a heating element, that emits heat to cause the aerosol-generating material to generate aerosol in use.
- the heater may, comprise, a material heatable by electrical conduction, or a susceptor.
- the aerosol-generating material may comprise one or more active substances and/or flavours, one or more aerosol-former materials, and optionally one or more other functional material.
- the aerosolisable material may be present on a substrate.
- the substrate may, for example, be or comprise paper, card, paperboard, cardboard, reconstituted aerosolisable material, a plastics material, a ceramic material, a composite material, glass, a metal, or a metal alloy.
- the aerosol-former material may comprise one or more constituents capable of forming an aerosol.
- the aerosol-former material may comprise one or more of glycerine, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butylene glycol, erythritol, meso-Erythritol, ethyl vanillate, ethyl laurate, a diethyl suberate, triethyl citrate, triacetin, a diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate.
- the one or more other functional materials may comprise one or more of pH regulators, colouring agents, preservatives, binders, fillers, stabilizers, and/or antioxidants.
- a consumable is an article comprising or consisting of aerosol-generating material, part or all of which is intended to be consumed during use by a user.
- a consumable may comprise one or more other components, such as an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generation area, a housing, a wrapper, a mouthpiece, a filter and/ or an aerosol-modifying agent.
- a consumable may also comprise an aerosol generator, such as a heater, that emits heat to cause the aerosol-generating material to generate aerosol in use.
- the heater may, for example, comprise combustible material, a material heatable by electrical conduction, or a susceptor.
- a susceptor is a material that is heatable by penetration with a varying magnetic field, such as an alternating magnetic field.
- the susceptor maybe an electrically-conductive material, so that penetration thereof with a varying magnetic field causes induction heating of the heating material.
- the heating material may be magnetic material, so that penetration thereof with a varying magnetic field causes magnetic hysteresis heating of the heating material.
- the susceptor maybe both electrically-conductive and magnetic, so that the susceptor is heatable by both heating mechanisms.
- the device that is configured to generate the varying magnetic field is referred to as a magnetic field generator, herein.
- An aerosol-modifying agent is a substance, typically located downstream of the aerosol generation area, that is configured to modify the aerosol generated, for example by changing the taste, flavour, acidity or another characteristic of the aerosol.
- the aerosolmodifying agent may be provided in an aerosol-modifying agent release component, that is operable to selectively release the aerosol-modifying agent.
- the aerosol-modifying agent may, for example, be an additive or a sorbent.
- the aerosol-modifying agent may, for example, comprise one or more of a flavourant, a colourant, water, and a carbon adsorbent.
- the aerosol-modifying agent may, for example, be a solid, a liquid, or a gel.
- the aerosol-modifying agent maybe in powder, thread or granule form.
- the aerosol-modifying agent may be free from filtration material.
- An aerosol generator is an apparatus configured to cause aerosol to be generated from the aerosol-generating material.
- the aerosol generator is a heater configured to subject the aerosol-generating material to heat energy, so as to release one or more volatiles from the aerosol-generating material to form an aerosol.
- the aerosol generator is configured to cause an aerosol to be generated from the aerosol-generating material without heating.
- the aerosol generator maybe configured to subject the aerosol-generating material to one or more of vibration, increased pressure, or electrostatic energy.
- the filamentary tow material described herein can comprise cellulose acetate fibre tow.
- the filamentary tow can also be formed using other materials used to form fibres, such as polyvinyl alcohol (PVOH), polylactic acid (PLA), polycaprolactone (PCL), poly(i-4 butanediol succinate) (PBS), poly(butylene adipate-co-terephthalate)(PBAT), starch based materials, cotton, aliphatic polyester materials and polysaccharide polymers or a combination thereof.
- the filamentary tow may be plasticised with a suitable plasticiser for the tow, such as triacetin where the material is cellulose acetate tow, or the tow may be non-plasticised.
- the tow can have any suitable specification, such as fibres having a ‘Y’ shaped or other cross section such as ‘X’ shaped, filamentary denier values between 2.5 and 15 denier per filament, for example between 8.0 and 11.0 denier per filament and total denier values of 5,000 to 50,000, for example between 10,000 and 40,000.
- suitable specification such as fibres having a ‘Y’ shaped or other cross section such as ‘X’ shaped, filamentary denier values between 2.5 and 15 denier per filament, for example between 8.0 and 11.0 denier per filament and total denier values of 5,000 to 50,000, for example between 10,000 and 40,000.
- Fig. 1 is a cross-sectional side view of an article 1 for use in an aerosol delivery system that includes an aerosol delivery device 200 (see Figs. 10 to 12).
- the article 1 has an upstream or distal end ‘D’ and a downstream or proximal end ‘P’.
- the proximal end P is located relatively closer to a mouthpiece 207 of the aerosol delivery device 200 in use than the distal end D.
- the proximal end P of the article 1 comprises a mouthpiece.
- the proximal end P of the article 1 forms the mouthpiece.
- the article 1 can be used with the aerosol delivery device 200 in either orientation, such that it does not matter which end of the article 1 is upstream and which is downstream.
- the article 1 comprises a substrate 2 and a body of material 3.
- the substrate 2 at least partially circumscribes the body of material 3.
- the substrate 2 is in the form of a patch 2.
- the patch 2 comprises a first aerosol generating material 4.
- the body of material 3 comprises a second aerosol generating material 5.
- the first sheet material 6 and patch 2 are arranged such that the patch 2 is provided on an inside surface of the first sheet material 6. That is, the patch 2 is located radially inwardly of the first sheet material 6.
- the first sheet material 6 surrounds, or at least partially surrounds, the patch 2.
- the patch 2 maybe provided on an exterior surface of the first sheet material 6 such that the first sheet material 6 is located radially inwardly of the patch 2.
- the first sheet material 6 forms an exterior surface 1A of the article 1.
- the first sheet material 6 forms a generally cylindrical peripheral surface 1A of the article 1.
- the patch 2 comprises a second sheet material 7.
- the second sheet material 7 is a cast sheet.
- the second sheet material 7 maybe formed from a slurry that is cast and then set (e.g. by heating) to form the second sheet material 7.
- the slurry is cast and dried to form the second sheet material 7, which is subsequently attached to the first sheet material 6.
- the slurry may be cast in place on the first sheet material 6 such that when the slurry dries it forms a second sheet material 7 (e.g. a patch 2) that is adhered to the first sheet material 6.
- the first aerosol generating material 4 may be provided in the slurry before it is applied to the first sheet material 6, or applied to or mixed with the slurry after the slurry has been applied to the first sheet material 6.
- the first aerosol generating material 4 is attached to a first surface of the second sheet material 7.
- the first aerosol generating material 4 is adhered to the first surface of the second sheet material 7.
- first aerosol generating material 4 may be a loose aerosol generating material (for example, dust, fibres or beads/pellets/granules) that are adhered to the second sheet material 7.
- the second sheet material 7 comprises one or more of: paper, card and/or aerosol generating material.
- the second sheet material 7 may comprise reconstituted tobacco.
- the body of material 3 is a rod 3 comprising the second aerosol generating material 5.
- the body of material 3 maybe a tobacco rod 3.
- the body of material 3 may be a rod comprising shredded lamina tobacco and/or shredded reconstituted tobacco (for example, shredded reconstituted tobacco sheet).
- the body of material 3 comprises a third sheet material that is gathered to form the body of material 3.
- the third sheet material may comprise the second aerosol generating material 5, which optionally may comprise, consist of, or essentially consist of, a tobacco material.
- the third sheet material maybe reconstituted tobacco that is gathered to form the body of material 3.
- the third sheet material is crimped to promote gathering of the third sheet material to form the body of material 3.
- the third sheet material is cut into strips and then the strips are formed into the body of material 3.
- the patch 2 is in direct contact with the body of material 3. This helps to encourage heat transfer between the patch 2 and the body of material 3.
- the patch 2 comprises opposite first and second edges 2A, 2B.
- first edge 2A of the patch 2 is spaced from a first end 3A of the body of material 3 and the second edge 2B of the patch 2 is spaced from a second end 3B of the body of material 3.
- the first sheet of material 6 comprises opposite first and second edges 6A, 6B.
- the patch 2 may be located on the first sheet of material 6 such that the first edge 2A of the patch 2 is proximate to, but spaced from, the first edge 6A of the first sheet of material 6 and such that the second edge 2B of the patch 2 is proximate to, but spaced from, the second edge 6B of the first sheet of material 6.
- the first edge 2A of the patch 2 is aligned with the first edge 6A of the first sheet of material 6 and/ or the second edge 2B of the patch 2 is aligned with the second edge 6B of the second sheet of material 6.
- the patch 2 extends over a portion of the axial length of the body of material 3.
- the patch 2 extends over the entire axial length of the body of material 3.
- the body of material 3 extends over a portion of the length of the article 1 (shown by arrow ‘X’ in Fig. 1). In an alternative embodiment, the body of material 3 extends over the entire length X of the article 1.
- the patch 2 comprises opposite third and fourth edges 2C, 2D and the first sheet material 6 comprises opposite third and fourth edges 6C, 6D.
- the third edge 2C of the patch 2 may be spaced from the third edge 6C of the first sheet material 6 such that the first sheet material 6 comprises a region 8 that is not covered by the patch 2.
- the region 8 may be arranged to overlap the fourth edge 6D of the first sheet material 6 and may be adhered to an outer surface of the first sheet material 6.
- the region 8 not being covered by the patch 2 facilitates adhesion of the inside surface of the region 8 of the first sheet material 6 to the outer surface of the first sheet material 6.
- the article 1 is configured to heated by an aerosol provision device 200 such that the first and second aerosol generating materials 4, 5 are heated to generate an aerosol.
- the first sheet material 6 has a permeability of at most too Coresta Units and, preferably, at most 90, 80, 70, 60 or 50 Coresta Units.
- the first sheet material 6 is a porous material and may have a permeability of greater than too Coresta Units.
- the first sheet material 6 may comprise one or more slits or apertures to increase the permeability of the first sheet material 6.
- the first sheet material 6 has a thickness in the range of 20 to too microns. It has been found that reducing the thickness of the first sheet material 6 helps to facilitate heat transfer to the first and second aerosol generating materials 4, 5.
- the first sheet material 6 is a porous material.
- the first sheet material 6 has a basis weight in the range of 20 to 50 gsm. In some embodiments, the first and/or second aerosol generating material 4, 5 is a loose material.
- the first aerosol generating material 4 comprises extruded and/ or compressed aerosol generating material, as explained in more detail below. However, it should be recognised that in other embodiments, the first aerosol generating material 4 may have a different form.
- the first and/or second aerosol generating material 4, 5 comprises beads.
- the beads maybe cylindrical, or may have an alternative shape, for example, spherical, pyramid or cuboid shaped.
- the first aerosol generating material 4 comprises beads 4.
- the beads 4 have a diameter (shown by arrow ‘D’ in Fig. 7) in the range of 0.5 to 3 mm and, preferably, in the range of 1 to 2 mm.
- the beads 4 have an axial length (shown by arrow ‘L’ in Fig. 7) in the range of 0.5 to 3 mm and, preferably, in the range of 1 to 2 mm. In some embodiments, the beads 4 have a particle size in the range of 0.5 to 3 mm and, preferably, in the range of 1 to 2 mm.
- the first and/or second aerosol generating material 4, 5 comprises, consists of, or essentially consists of tobacco material.
- the tobacco material of the first and/or second aerosol generating material 4, 5 is derived only from tobacco lamina and no other types of tobacco material.
- the first and/or second aerosol generating material 4, 5 comprises tobacco lamina and reconstituted tobacco.
- the first and second aerosol generating material 4, 5 together have an average nicotine level in the range of 0.5% to 2.5% by weight of the first and second aerosol generating materials 4, 5 and, preferably, in the range of 1% to 2.1%.
- the first aerosol generating material 4 has a nicotine level in the range of 0.5% to 2.5% by weight of the first aerosol generating material 4 and, preferably, in the range of 1% to 2.1%.
- the second aerosol generating material 5 has a nicotine level in the range of 0.5% to 2.5% by weight of the second aerosol generating material 5 and, preferably, in the range of 1% to 2.1%.
- the aerosol generating material in the article 1 comprises approximately 50% of the first aerosol-generating material 4 and about 50% of the second aerosol-generating material 5, by weight.
- an article comprising 260 mg of aerosol-generating material may comprise 130 mg of the first aerosol-generating material 4 and 130 mg of the second aerosol-generating material 5.
- the article 1 comprises from about 20 to about 330 mg of the first aerosol generating material 4 and, preferably, from about 50 to about 300 mg, or from about 40 to about 125 mg of the first aerosol generating material 4.
- the article 2 comprises from about 20 to about 330 mg of the second aerosol generating material 5 and, preferably, from about 50 to about 300 mg, or from about 40 to about 125 mg of the second aerosol generating material 5.
- the total mass of aerosol generating material 4, 5 of the article 1 is in the range of 80 to 350 mg and, preferably, is in the range of about 120 to 330 mg, or about 150 to 300 mg. In some embodiments, the total mass of tobacco of the article 1 is in the range of about 80 to 350 mg and, preferably, is in the range of about 120 to 330 mg, or about 150 to 300 mg.
- the first and/or second aerosol generating material 4, 5 is a solid material.
- the first and second aerosol generating materials are different materials and/or have one or more different properties.
- the article 1 may have an axial length (shown by arrow ‘X’ in Fig. 1) of at least 10 mm and, preferably, at least 12, 14, 16, 18, 20, 22 or 23 mm.
- the article 1 may have an axial length of at most 36 mm and, preferably, at most 34, 32, 30, 28, 26, 24 or 23 mm.
- the article 1 may have an axial length in the range of 10 to 36 mm and, preferably, in the range of 14 to 32 mm, in the range of 20 to 26 mm, or in the range of 22 to 24 mm.
- one or more of the first sheet material 6, second sheet material 7, the substrate 2, and/or the body of material 3 do not comprise plastic. This makes the article 1 more environmentally friendly, and is also advantageous in embodiments wherein the entire article 1 is heated by the aerosol delivery device 200 (as described below).
- the entire article 1 does not comprise plastic. In some embodiments, the body of material 3 or the entire article 1 does not comprise cellulose acetate.
- the first and/or second aerosol-generating material 4, 5 may comprise, consist of, or essentially consist of, botanical material.
- the botanical material maybe tobacco material.
- tobacco material refers to any material comprising tobacco or derivatives or substitutes thereof.
- the tobacco material may be in any suitable form.
- tobacco material may include one or more of tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco or tobacco substitutes.
- the tobacco material may comprise one or more of ground tobacco, tobacco fibre, cut tobacco, extruded tobacco, tobacco stem, tobacco lamina, reconstituted tobacco and/or tobacco extract.
- the first and/or second aerosol generating material 4, 5 or another material (not shown) of the article 1, for example, another material of the body of material 3, may comprise one or more aerosol-former materials.
- the first and/or second aerosol generating material 4, 5 or said another material may comprise one or more constituents capable of forming an aerosol.
- the aerosol-former material comprises one or more of glycerine, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butylene glycol, erythritol, meso- Erythritol, ethyl vanillate, ethyl laurate, a diethyl suberate, triethyl citrate, triacetin, a diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate.
- the aerosol-former material can be glycerol or propylene glycol.
- the first and/or second aerosol generating material 4, 5 maybe provided as a loose material.
- the first aerosol generating material 4 maybe a loose material that is held in place in the substrate 2 by adhesive or by being formed with the second sheet material 7.
- the first and/or second aerosol generating material 4, 5 may, for example, be discrete strands or particles of aerosol generating material.
- Another example of loose aerosol generating material is beads/pellets of aerosol generating material, including aerosol generating material that has been extruded and then cut into beads/pellets.
- Yet another example of aerosol generating material is a sheet of aerosol generating material that has been cut into individual pieces, for example, cut into individual strips of aerosol generating material.
- the sheet of aerosol generating material maybe a sheet of reconstituted tobacco.
- the body of material 3 may comprise a sheet of the second aerosol generating material that is gathered to form the body of material 3.
- the article 1 further comprises a third aerosol generating material.
- the body of material 3 comprises the second and third aerosol generating materials.
- the body of material 3 may be formed from a sheet/ strips of one of the second or third aerosol generating material and beads/dust/fibres of the other one of the second or third aerosol generating materials maybe applied to the sheet/strips.
- the substrate 2 comprises the first and third aerosol generating materials.
- the second sheet material 7 of the substrate 2 may be formed from one of the first and third aerosol generating materials and beads/dust/fibres of the other one of the first and third aerosol generating materials maybe applied to the second sheet material 7 (for example, being adhered thereto).
- the second aerosol generating material 4 comprises shredded tobacco material (for example, shredded lamina and/ or shredded reconstituted tobacco). The shredded tobacco material is formed into a tobacco rod 3.
- the patch 2 at least partially circumscribes the rod 3.
- the first aerosol generating material 4 comprises extruded and/or compressed tobacco.
- the first aerosol generating material 4 may comprise a single body of aerosol generating material.
- the first aerosol generating material 4 comprises a plurality of bodies of aerosol generating material.
- the first aerosol generating material 4 comprises beads/pellets/granules of aerosol generating material (hereinafter referred to as ‘beads’ of aerosol generating material).
- the beads 4 may be extruded and/or compressed beads 4-
- one of the first and second aerosol generating materials 4, 5 has a higher density than the other one of the first and second aerosol generating materials 4, 5. It has been found that this causes the denser aerosol generating material to heat up slower when subjected to a given heating power.
- the less dense material for example, the second aerosol generating material 5
- the more dense material for example, the first aerosol generating material 4
- the less dense material for example, the second aerosol generating material 5
- the less dense material will become relatively depleted of said volatile compound(s) more quickly than the more dense material (for example, the first aerosol generating material 4).
- the more dense material for example, the first aerosol generating material 4
- the more dense material for example, the first aerosol generating material 4
- the effect of this is a more consistent release of the volatile compound(s) over the period of consumption of the article 1, with the less dense material (for example, the second aerosol generating material 5) releasing a greater proportion of volatile compound(s) towards the beginning of the consumption of the article 1 and the more dense material (for example, the first aerosol generating material 4) releasing a greater proportion of volatile compound(s) towards the end of the consumption of the article 1.
- This is particularly advantageous because the article 1 can be made relatively small whilst still achieving a relatively consistent and/ or sufficient release of volatile compound(s) over the period of consumption.
- said one or more volatile compound(s) released by the first aerosol generating material 4 are the same as the volatile compound(s) released by the second aerosol generating material 5.
- the first aerosol generating material 4 comprises aerosol generating material that has been compressed or extruded (without subsequent expansion or with a relatively low/ minimal expansion) such that the density of the first aerosol generating material 4 is higher than the density of the second aerosol generating material 5.
- the second aerosol generating material 5 comprises one or more of: tobacco lamina; tobacco stems or reconstituted tobacco. In one such embodiment, the second aerosol generating material 5 comprises a mixture of tobacco lamina and reconstituted tobacco.
- the second aerosol generating material 5 may comprise shredded or cut material.
- the second aerosol generating material 5 comprises a compressed or extruded aerosol generating material that has a lower density than the first aerosol generating material 4 (for example, having a lower compression than the first aerosol generating material 4, which optionally may also be extruded or compressed).
- the body of material 3 may comprise an extruded/ compressed body of the second aerosol generating material 5.
- the first and second aerosol-generating material 4, 5 may comprise the same material, for example, tobacco, but are processed to have different densities.
- the first and second aerosol generating materials 4, 5 maybe in different forms.
- the second aerosol generating material 5 may be a shredded material (for example, shredded lamina tobacco and/ or shredded reconstituted tobacco) that is formed into a body 3, whereas the first aerosol generating material 4 maybe compressed or extruded (without or with minimal expansion) such that the first aerosol generating material 4 has a higher density than the second aerosol generating material 5.
- the first aerosol generating material 4 may be in the form of extruded/compressed beads of aerosol generating material (for example, tobacco or another material) and the second aerosol generating material 5 may be in the form of, for example: strands or strips of aerosol generating material (for example, tobacco or another material); a sheet of aerosol generating material that is gathered into a plug or is cut into strips; a rod of aerosol generating material (e.g. a rod formed from cut rag tobacco); or, tobacco lamina and/or stem material that has been formed into a plug.
- the first second, and/or third aerosol generating material 4, 5 may alternatively have the same form (e.g. both being cut rag tobacco).
- the density of the first aerosol generating material 4 is lower than the density of the second aerosol generating material 5.
- the densities of the first and second aerosol generating materials 4, 5 are the same.
- the first aerosol-generating material 4 has at least one further different characteristic to the second aerosol generating material 5.
- the different characteristic maybe one or more of form, size, , water content, amount (by weight), material or materials, or proportion of materials that make the first and second aerosol- generating materials 4, 5 (including the recipe of the aerosol generating materials 4, 5 when each is manufactured more than one material).
- the first and second aerosol-generating materials 4, 5 do not have a different characteristic, other than being in a different form.
- the first and/or second aerosol-generating material 4, 5 may comprise a plurality of strands or strips of aerosol-generating material.
- the first and/or second aerosol-generating material 4, 5 may comprise a plurality of strands or strips of an aerosolisable material and/or a plurality of strands or strips of an amorphous solid.
- the first and/or second aerosol-generating material 4, 5 may comprise a plant based material, such as a tobacco material.
- the first and/ or second aerosol-generating material 4, 5 maybe a sheet or shredded sheet of aerosolisable material comprising a plant based material, such as a tobacco material.
- the sheet material may be processed such that the second aerosol generating material 5 has a higher density than the first aerosol generating material 4.
- the plant based material may be a particulate or granular material.
- the plant based material is a powder.
- the plant based material may comprise may comprise strips, strands or fibres of tobacco.
- the tobacco material may comprise particles, granules, fibres, strips and/or strands of tobacco.
- the tobacco material consists of particles or granules of tobacco material.
- the tobacco material of the first and/ or second aerosol-generating material 4, 5 may comprise tobacco obtained from any part of the tobacco plant.
- the tobacco material comprises tobacco leaf.
- the sheet or shredded sheet can comprise from 5% to about 90% by weight tobacco leaf.
- both of the first and/or second aerosol-generating material 4, 5 comprise, consist of, or essentially consist of tobacco material.
- the first and/or second aerosol-generating material 4, 5 comprises a sheet or shredded sheet of aerosolisable material that comprises an aerosol-former material.
- the aerosol-former material is provided in an amount of up to about 50% on a dry weight base by weight of the sheet or shredded sheet. In some embodiments, the aerosol-former material is provided in an amount of from about 5% to about 40% on a dry weight base by weight of the sheet or shredded sheet, from about 10% to about 30% on a dry weight base by weight of the sheet or shredded sheet or from about 10% to about 20% on a dry weight base by weight of the sheet or shredded sheet.
- the first and/or second aerosol-generating material 4, 5 may comprise a filler.
- the filler is generally a non-tobacco component, that is, a component that does not include ingredients originating from tobacco.
- the filler may comprise one or more inorganic filler materials, such as calcium carbonate, perlite, vermiculite, diatomaceous earth, colloidal silica, magnesium oxide, magnesium sulphate, magnesium carbonate, and suitable inorganic sorbents, such as molecular sieves.
- the filler may be a non-tobacco fibre such as wood fibre or pulp or wheat fibre.
- the filler can be a material comprising cellulose or a material comprises a derivate of cellulose.
- the filler component may also be a non-tobacco cast material or a non-tobacco extruded material.
- first and/or second aerosol generating materials 4, 5 are in the form of a sheet or shredded sheet that comprises the filler.
- the first and/or second aerosol generating materials 4, 5 can comprise an aerosol modifying agent, such as any of the flavours described herein.
- the first and/or second aerosol generating materials 4, 5 comp rises menthol.
- the article may be referred to as a mentholated consumable or article 1.
- the first and/or second aerosol generating materials 4, 5 can comprise from o.5mg to 20mg of menthol, from 0.7 mg to 20 mg of menthol, between img and i8mg or between 8mg and i6mg of menthol.
- the article 1 comprises an aerosol-generating composition comprising aerosol-generating material.
- the aerosol-generating material may comprise the first and/or second aerosol-generating material 4, 5 (and/or the third aerosol generating material).
- Aerosol-generating material is a material that is capable of generating aerosol, for example when heated, irradiated or energized in any other way.
- Aerosol-generating material (for example, the first and/or second aerosol generating material 4, 5) may, for example, be in the form of a solid, liquid or semi-solid (such as a gel) which may or may not contain an active substance and/or flavourants.
- the aerosol-generating material (for example, the first and/or second aerosol generating material 4, 5) may comprise a binder and an aerosol former.
- an active and/ or filler may also be present.
- a solvent such as water, is also present and one or more other components of the aerosol-generating material may or may not be soluble in the solvent.
- the aerosol-generating material (for example, the first and/or second aerosol generating material 4, 5) is substantially free from botanical material.
- the aerosol-generating material (for example, the first and/ or second aerosol generating material 4, 5) is substantially tobacco free.
- the composition of the first and/ or second aerosol generating materials 4, 5 comprises an aerosol-forming “amorphous solid”.
- the amorphous solid may be a “monolithic solid”.
- the amorphous solid may be a dried gel.
- the amorphous solid is a solid material that may retain some fluid, such as liquid, within it.
- the aerosol-generating material may, for example, comprise from about 50wt%, 6owt% or 70wt% of amorphous solid, to about 90wt%, 95wt% or ioowt% of amorphous solid.
- the amorphous solid may be substantially non-fibrous.
- the amorphous solid comprises:
- the amorphous solid comprises:
- the aerosol-generating material may comprise or be an aerosol-generating film.
- the aerosolgenerating film may be formed by combining a binder, such as a gelling agent, with a solvent, such as water, an aerosol-former and one or more other components, such as active substances, to form a slurry and then heating the slurry to volatilise at least some of the solvent to form the aerosol-generating film.
- the the slurry may be heated to remove at least about 60 wt%, 70 wt%, 80 wt%, 85 wt% or 90 wt% of the solvent.
- the aerosol-generating film may be a continuous film or a discontinuous film, such an arrangement of discrete portions of film on a support.
- the aerosol-generating film may be substantially tobacco free.
- the aerosol-generating film may comprise or be a sheet, which may optionally be shredded to form a shredded sheet.
- the aerosol-generating material may comprise one or more active substances and/or flavours, one or more aerosol-former materials, and optionally one or more other functional material.
- the article may comprise such a first and/or second aerosol generating material 4, 5 (and/or third aerosol generating material), and may comprise such an aerosol-generating composition.
- the amorphous solid material may be provided in sheet or in shredded sheet form.
- the amorphous solid material may take the same form as the sheet or shredded sheet of aerosolisable material.
- the aerosol generating material for example, the first or second aerosol generating material 4, 5 comprises: from about 10 to about 50 wt% aerosolformer material; from about 15 to about 60 wt% gelling agent; and optionally filler; wherein the wt% values are calculated on a dry weight basis.
- the first and/or second aerosol generating materials 4, 5 can comprise a paper reconstituted tobacco material.
- the composition can alternatively or additionally comprise any of the forms of tobacco described herein.
- the first and/or second aerosol generating materials 4, 5 can comprise a sheet or shredded sheet comprising tobacco material comprising between 10% and 90% by weight tobacco leaf, wherein an aerosolformer material is provided in an amount of up to about 20% by weight of the sheet or shredded sheet, and the remainder of the tobacco material comprises paper reconstituted tobacco.
- first and/or second aerosol generating material 4, 5 comprises an amorphous solid material
- the amorphous solid material may be a dried gel comprising menthol.
- the first and/or second aerosol generating material 4, 5 comprises an extruded aerosol generating material that is then cut into beads of pellets.
- the substrate 2 comprises a second sheet material 7 that comprises the first aerosol generating material 4, instead of the first aerosol generating material 4 being applied to a surface of the second sheet material 7.
- the second sheet material 7 may be formed with the first aerosol generating material 4.
- the first aerosol generating material 4 may be integral to the second sheet material 7.
- the second sheet material 7 is formed from a slurry, wherein the first aerosol generating material 4 is provided in the slurry and then the second sheet material 7 is formed from the slurry.
- the second sheet material 7 maybe cast from a slurry comprising the first aerosol generating material 4.
- the second sheet material 7 comprises the first aerosol generating material 4 (for example, being formed from a slurry comprising the first aerosol generating material 4) and wherein a third aerosol generating material is applied to a surface of the second sheet material 7 (for example, being retained in position by an adhesive).
- a third aerosol generating material is applied to a surface of the second sheet material 7 (for example, being retained in position by an adhesive).
- the second sheet material 7 and first aerosol generating material 4 both extend over substantially the entire axial length X of the article 1.
- the second sheet material 7 may extend over substantially the entire axial length X of the article 1 whereas the first aerosol generating material 4 may extend over only a portion of the axial length of the article 1.
- Embodiments wherein the first aerosol generating material 4 extends over the entire axial length X of the article 1 (or the entire axial length of the body of material 3) provide the advantage of increasing the amount of first aerosol generating material 4 in the article 1 and thus the amount of aerosol that can be generated for a given axial length X of the article 1.
- Embodiments wherein the first aerosol generating material 4 over only a portion of the entire axial length X of the article 1 provide the advantage that the first aerosol generating material 4 is not visible from the ends P, D of the article 1 and also helps to reduce the possibility of the first aerosol generating material 4 from falling out of the ends P, D of the article 1.
- FIG. 10 an embodiment of an aerosol provision device 200 is shown.
- the article 1 is configured for use in an aerosol provision device 200 (see Fig. 10) comprising an aerosol generator in the form of a heating element 203 for heating the article 1.
- the heating element 203 at least partially surrounds a heating area 202, for example, a heating chamber 202.
- the heating element 203 may be resistively and/ or inductively heated.
- the heating element 203 instead comprises a blade or pin, for insertion into the article 1, for example, the blade or pin may be inserted through the body of material 3.
- the consumable 1 may comprise the heating element which, for example, may be embedded in the body of material 3.
- Fig. 10 the components of an embodiment of an aerosol provision device 200 are shown in a simplified manner. Particularly, the elements of the aerosol provision device 200 are not drawn to scale in Fig. 10. Elements that are not relevant for the understanding of this embodiment have been omitted to simplify Fig. 10.
- the aerosol provision device 200 is a non-combustible aerosol provision device 200.
- the non-combustible aerosol provision device 200 comprises a housing 201 comprising an area 202 for receiving an article 1.
- the heater 203 is spaced from the article 1, for example, circumscribing the article 1 but having a larger diameter and being spaced therefrom.
- the heater 203 is in direct contact with the article 1, for example, contacting an outer surface of the first sheet material 6 of the article .
- the heater 203 comprises a blade or pin that contacts the inside of the article 1, for example, contacting the body of material 3 and/or the substrate 2.
- the first and/or second aerosol generating material 4, 5 When the article 1 is heated, the first and/or second aerosol generating material 4, 5 will release one or more volatile compounds and may release a range of volatile compounds at different temperatures.
- the selective release of undesirable compounds may be controlled by preventing the release of select volatile compounds.
- Fig. 11 within the housing 201 there is an electrical energy supply 204, for example a rechargeable lithium ion battery.
- a controller 205 is connected to the heater 203, the electrical energy supply 204, and a user interface 206, for example a button or display.
- the controller 205 controls the power supplied to the heater 203 in order to regulate its temperature.
- the aerosol-forming substrate is heated to a temperature of between 250 and 450 degrees centigrade.
- Fig. 12 is a schematic cross-section of a non-combustible aerosol-provision device 200 of the type shown in Fig. 10, with the article 1 received in the heating area 202 of the device 200 for heating by the heater 203.
- the non-combustible aerosol provision device 200 is illustrated receiving the aerosol-generating article 1 for consumption of the aerosol-generating article 1 by a user.
- the housing 201 of non-combustible aerosol provision device 200 defines an area 202 in the form of a cavity, open at the proximal end (or mouth end), for receiving an aerosol-generating article 1 for consumption by a user.
- the aerosol-provision device 200 comprises a mouthpiece 207 that is detachable from the remainder of the device 200 to allow access to the area 202 such that an article i can be interested into and removed from the area 202. Once a article 1 has been provided in the area 202, the mouthpiece 207 can be reattached.
- the mouthpiece 207 is removably attached to the housing 201 of the device 200, for example, by a screw thread or bayonet connection.
- the mouthpiece 207 As a user draws on the mouthpiece 207, air is drawn into the article 1 and the volatile substances condense to form an inhalable aerosol. This aerosol passes through the mouthpiece 207 of the device 200 and into the user's mouth. It should be recognised that in other embodiments the mouthpiece 207 of the device 200 maybe omitted.
- the article 1 may form a mouthpiece and may come into contact with a user’s mouth.
- the body of material 3 extends between the ends P, D of the article 1.
- the body of material 3 extends between the ends P, D of the article 1.
- the article 1 may comprise one or more further segments, for example, a further segment upstream or downstream of the body of material 3.
- an alternative embodiment of an article 1 is shown in Fig. 13 which further comprises a cooling section 25, also referred to as a cooling element, positioned immediately downstream of the body of material 3.
- the cooling element 25 is immediately downstream of and adjacent to the body of material 3.
- the cooling element 25 is in an abutting relationship with the body of material 3.
- the article 1 may additionally or alternatively include a further body of material 26 downstream of the cooling element 25.
- the further body of material 26 may comprise flavouring and/ or filtering material and/ or may be provided to obscure the view of the cooling element 25.
- the cooling element 25 comprises a hollow channel, having an internal diameter of between about 1 mm and about 4 mm, for example between about 2 mm and about 4 mm.
- the hollow channel may have an internal diameter of about 3 mm.
- the hollow channel extends along the full length of the cooling element 25.
- the cooling element 25 may comprise a single hollow channel. In alternative embodiments, the cooling element 25 can comprise multiple channels, for example, 2, 3 or 4 channels.
- the single hollow channel may be substantially cylindrical, although in alternative embodiments, other channel geometries/cross-sections maybe used.
- the hollow channel can provide a space into which aerosol drawn into the cooling element 25 can expand and cool down.
- the cooling element 25 may be configured to limit the cross-sectional area of the hollow channel/s, to limit tobacco displacement into the cooling element 25, in use.
- the cooling element 25 may have a wall thickness in a radial direction.
- the wall thickness of the cooling element 25, for a given outer diameter of cooling element 25, defines the internal diameter for the chamber surrounded by the walls of the cooling element 25.
- the cooling element 25 can have a wall thickness of at least about 1.5 mm and up to about 2 mm. In the present example, the cooling element 25 has a wall thickness of about 2 mm.
- the cooling element 25 may be formed from filamentary tow. Other constructions can be used, such as a plurality of layers of paper which are parallel wound, with butted seams, to form the cooling element 25; or spirally wound layers of paper, cardboard tubes, tubes formed using a papier-mache type process, moulded or extruded plastic tubes or similar.
- the cooling element 25 is manufactured to have a rigidity that is sufficient to withstand the axial compressive forces and bending moments that might arise during manufacture and whilst the article 1 is in use.
- the wall material of the cooling element 25 can be relatively non-porous, such that at least 90% of the aerosol generated by the aerosol generating material 3 passes longitudinally through the one or more hollow channels rather than through the wall material of the cooling element 25. For instance, at least 92% or at least 95% of the aerosol generated by the first and/ or second aerosol generating material 4, 5 can pass longitudinally through the one or more hollow channels.
- the cooling element 25 can be configured to provide a temperature differential of at least 40 degrees Celsius between a heated volatilised component entering a first, upstream end of the cooling element 25 and a heated volatilised component exiting a second, downstream end of the cooling element 25.
- the cooling element 25 can be configured to provide a temperature differential of at least 60 degrees Celsius, or at least 80 degrees Celsius, or at least too degrees Celsius between a heated volatilised component entering a first, upstream end of the cooling element 25 and a heated volatilised component exiting a second, downstream end of the cooling element 25. This temperature differential across the length of the cooling element 25 protects the temperature sensitive body of material 26 from the higher temperatures of the aerosolgenerating material 4, 5 when it is heated.
- the body of material 26 defines a substantially cylindrical overall outer shape and is wrapped in a plug wrap 28.
- the plug wrap 28 can have a basis weight of less than 50 gsm, or between about 20 gsm and 40 gsm.
- the plug wrap 28 can have a thickness of between 30 pm and 60 pm, or between 35 pm and 45 pm.
- the plug wrap 28 may be a non-porous plug wrap, for instance having a permeability of less than 100 Coresta units, for instance less than 50 Coresta units.
- the plug wrap 28 can be a porous plug wrap, for instance having a permeability of greater than 100 Coresta Units or greater than 200 Coresta Units.
- the cooling element 25 and/ or body of material 26 may form a mouthpiece of the article 1 that is configured to be received within the mouth of the user.
- the mouthpiece 207 of the device 200 may be omitted.
- a tipping paper (not shown) is wrapped around the cooling element 25 and body of material 26 and also circumscribes the first sheet of material 6 that circumscribes the substrate 2 and body of material 3, and may be connected to these components by adhesive.
- the tipping paper connects the cooling element 25 and body of material 26 to the body of material 3.
- the tipping paper is omitted and instead the first sheet material 6 extends to circumscribe the cooling element 25 and body of material 26 to connect these components to the body of material 3 and substrate 2.
- FIG. 15 a block diagram depicting an exemplary embodiment of a method too of manufacturing an article 1 for an aerosol provision device is shown.
- the method too comprises the step (Si) of providing a substrate comprising a first aerosol generating material 4.
- the method 100 also comprises the step (S2) of arranging the substrate 2 such that the substrate 2 at least partially circumscribes a body of material 3 comprising a second aerosol generating material 5.
- the substrate 2 is a patch 2.
- the method 100 further comprises providing a first sheet material 6, wherein the substrate 2 is adhered to the first sheet material 6.
- the first sheet material 6 forms an exterior surface 1A of the article 1.
- the first sheet material 6 has a permeability of at most 100 Coresta Units and, preferably, at most 90, 80, 70, 60 or 50 Coresta Units.
- the first sheet material 6 has a thickness in the range of 20 to 100 microns.
- the body of material 3 comprises a tobacco rod.
- the body of material 3 may comprise shredded or cut tobacco material that is formed into a rod.
- the body of material 3 comprises cut rag tobacco that is formed into a rod.
- providing the first sheet material 6 comprises providing a web of first sheet material 6.
- the method may comprise providing a continuous web of first sheet material 6. The web maybe fed along a conveyance path. The web of the first sheet material 6 maybe supplied from a reel.
- the method comprising applying the substrate 2 to the web of first sheet material 6.
- the substrate 2 comprises a second sheet material 7.
- the second sheet material 7 is formed form a slurry.
- the second sheet material 7 may be a cast sheet.
- the second sheet material 7 is attached to the first sheet material 6, for example, by adhesive.
- the method too comprises applying a web of the second sheet material 7 to the web of first sheet material 6.
- continuous webs of the first and second sheet materials 6, 7 may be brought together and adhered together.
- the method too comprises applying a plurality of portions of second sheet material 7 to the web of first sheet material 6.
- the plurality of portions of second sheet material 7 may be spaced from each other on the web of first sheet material 6.
- the portions of second sheet material 7 are discrete. The portions of second sheet material 7 may be spaced from each other in a direction along the conveyance path of the web of first sheet material 6.
- the first sheet material 6 and substrate 2 are arranged such that the substrate 2 is provided on an inside surface of the first sheet material 6 once wrapped about the body of material 3. In some embodiments, the first sheet material 6 circumscribes, or at least partially circumscribes, the substrate 2.
- the substrate 2 comprises opposite third and fourth edges 2C, 2D and the first sheet material 6 comprises opposite third and fourth edges 6C, 6D.
- the third edge 2C of the patch 2 may be spaced from the third edge 6C of the first sheet material 6 such that the first sheet material 6 comprises a region 8 that is not covered by the patch 2.
- the region 8 may be arranged to overlap the fourth edge 6D of the first sheet material 6 and may be adhered to an outer surface of the first sheet material 6.
- the region 8 not being covered by the patch 2 facilitates adhesion of the inside surface of the region 8 of the first sheet material 6 to the outer surface of the first sheet material 6.
- the method too may comprise applying adhesive to the region 8.
- the second sheet material 7 comprises the first aerosol generating material 4.
- the second sheet material 7 may be formed with the first aerosol generating material 4.
- the first aerosol generating material 4 may be integral to the second sheet material 7.
- the second sheet material 7 is formed from a slurry, wherein the first aerosol generating material 4 is provided in the slurry and then the second sheet material 7 is formed from the slurry.
- the second sheet material 7 may be cast from a slurry comprising the first aerosol generating material 4.
- the first aerosol generating material 4 is attached to a surface of the second sheet material 7 and, preferably, is adhered to the surface of the second sheet material 7.
- the first aerosol generating material may be attached to the surface of the second sheet material 7 before or after attaching the second sheet material 7 to the first sheet material 6.
- the first aerosol generating material 4 may be applied to the first sheet material 6 as or in slurry that is then dried to form a layer on the first sheet material 6.
- the second sheet material 7 comprises one or more of: paper, card and/or aerosol generating material.
- the method 100 may comprise forming the body of material 3 and then wrapping the first sheet material 6 and substrate 2 about the body of material 3.
- the body of material 3 is formed at the same time as wrapping the first sheet material 6 and substrate 2 about the body of material 3, for example, by feeding the first sheet material 6 and substrate through a garniture together with the material that is formed into the body of material 3.
- the substrate 2 circumscribes the entire circumference of the body of material 3.
- the first sheet material 6 circumscribes the body of material 3.
- the patch 2 circumscribes the body of material 3.
- the first and/or second aerosol generating material 4, 5 comprises, consists of, or essentially consists of tobacco material.
- the first aerosol generating material 4 comprises extruded tobacco beads.
- the second aerosol generating material 5 comprises shredded tobacco and/or reconstituted tobacco.
- first and second aerosol generating materials 4, 5 and the body of material 3 may have a variety of features and/ or forms, including any of the features described above, including described above in relation to Figs. 1 to 14.
- the body of material 3 comprises a third sheet material (not shown) and, preferably, the method too comprises gathering the third sheet material to form the body of material 3.
- the third sheet material may optionally be crimped and/ or cut into strips.
- the body of material 3 comprises a tobacco rod.
- the body of material 3 may comprise shredded tobacco material that is formed into a rod.
- the body of material 3 comprises cut rag tobacco that is formed into a rod.
- the article 1 comprises a third aerosol generating material.
- the substrate 2 or body of material 3 may comprise the third aerosol generating material.
- the substrate 2 comprises a second sheet material 7 that comprises the first and/or third aerosol generating materials.
- the second sheet material 7 may be formed from a slurry that comprises the first and/or third aerosol generating materials.
- the first and/or third aerosol generating materials are applied to a surface of the second sheet material 7.
- the second sheet material 7 comprises one of the first and third aerosol generating materials and the other one of the first and third aerosol generating materials is applied to a surface of the second sheet material 7.
- FIG. 15A to 15G an embodiment of a method of manufacturing an article 1 for an aerosol provision device 200 is shown.
- An example of an apparatus 300 for carrying out the method is shown in Fig. 16.
- a continuous web Wi of a second sheet material 7 is provided.
- the second sheet material 7 comprises a strip of paper.
- the continuous web Wi may be supplied from a first reel Si.
- a first aerosol generating material 4 is applied to a surface of the web Wi of the second sheet material 7.
- an adhesive may be applied to the web Wi and/or to the first aerosol generating material 4 such that the first aerosol generating material 4 is adhered to the web Wi.
- the apparatus 300 comprises an applicator 301 that sprays the adhesive onto the web
- first aerosol generating material 4 is supplied pneumatically, and optionally may be sprayed on to the web Wi.
- the first aerosol generating material 4 may be supplied as loose aerosol generating material 4, for example, loose beads/fibres/dust of the first aerosol generating material 4-
- the second sheet material 7 and first aerosol generating material 4 may together form a substrate 2.
- the second sheet material 7 comprises the first aerosol generating material 4.
- the second sheet material 7 may be cast from a slurry that comprises the first aerosol generating material 4-
- a plurality of successive cuts are provided in the web Wi to form a plurality of individual portions of the substrate 2.
- the web Wi is cut along successive cut lines Z1-Z1 (shown in Fig. 15C).
- the cuts may be formed using a cutting device 302.
- the cutting device 302 may comprise a cutting drum, one or more cutting knives or one or more lasers.
- each individual portion forms a respective patch 2.
- a fourth step shown in Fig. 15D)
- the apparatus 300 comprises a first belt conveyor 303 and a second belt conveyor 304 that operates at a faster speed than the first belt conveyor 303.
- the individual portions of the substrate 2 are conveyed from the first belt conveyor 303 to the second belt conveyor 304, wherein each individual portion of the substrate 2 is accelerated and becomes spaced from the upstream portions of substrate 2.
- the individual portions of substrate 2 are spaced apart using a spacing drum.
- the individual portions of substrate 2 are not spaced apart from each other.
- a fifth step (shown in Fig. 15E), the individual portions of substrate 2 are adhered to a web W2 of a first sheet material 6.
- the individual portions of substrate 2 are fed from the second belt conveyor 304 and onto the web W2 of first sheet material 6 as the web W2 passes along a conveyance path.
- the web W2 maybe supplied from a second reel S2.
- the adhesive may be applied to the web W2 of the first sheet material 6 and/ or to the substrate 2 (for example, being applied to the second sheet material 7 of the substrate 2).
- the adhesive is applied by an adhesive applicator 305.
- the adhesive applicator 305 may be configured to spray the adhesive on to the first sheet material 6 and/or substrate 2 as it is fed along a conveyance path and passes the adhesive applicator 305, or may apply the adhesive using one or more brushes or rollers.
- the adhesive is pre-applied to the web W2 or substrate 2 as a hot melt adhesive, and wherein the fifth step comprises heating the adhesive to activate the adhesive.
- a sixth step shown in Fig. 15F
- the web W2 of the first sheet material 6 with the individual portions of substrate 2 thereon are combined with a second aerosol generating material 5 to form a continuous rod R.
- the second aerosol generating material 5 is tobacco material that is fed from a tobacco supply S3.
- the tobacco may comprise, for example, shredded tobacco.
- the tobacco material may comprise a sheet of tobacco (for example, reconstituted tobacco) that is gathered to form the body of material 3.
- the web W2 of the first sheet material 6 with the individual portions of substrate 2 thereon are combined with the second aerosol generating material 5 in a wrapping apparatus 306.
- the wrapping apparatus 306 may comprise, for example, a garniture tongue 307, a garniture belt (not shown) and a belt drive (not shown) that drives the garniture belt (not shown).
- the belt drive may comprise, for example, one or more pulleys or wheels that are driven by an electric motor to drive the garniture belt.
- the garniture belt extends through the garniture tongue 307.
- the web W2 of first sheet material 6 with the individual portions of substrate 2 thereon (hereinafter ‘the arrangement’) overlies the garniture belt such that operation of the belt drive feeds the arrangement through the garniture tongue 307.
- the garniture tongue 307 comprises a first portion (not shown) that is shaped to form the arrangement into a U-shape as it passes through the garniture tongue 307.
- the second aerosol generating material 5 is fed into the garniture tongue 307 to be received in the U-shaped portion of the arrangement of the web W2 and substrate 2.
- the U-shaped arrangement then passes through a second portion (not shown) of the garniture tongue 307 that is shaped to fold a first longitudinal edge (not shown) of the web W2 over an opposite second longitudinal edge (not shown) such that the arrangement exiting the garniture tongue 307 is formed into a cylinder.
- said first longitudinal edge of the web W2 is proximate the uncovered region 8 of the web W2 such that the uncovered region 8 of the web W2 is adhered to an outer surface of the web W2 to form a cylinder.
- the first portion of the garniture tongue 307 is generally U-shaped in cross-section and the second portion of the garniture tongue 307 is generally O-shaped in cross-section.
- the second aerosol generating material 5 passes through the garniture tongue 307, it is formed into a body of material 3.
- the second aerosol generating material 5 is formed into a cylinder.
- the body of material 3 may have a different shape, for example, having a square, rectangular, oval or triangular cross-section.
- the wrapping apparatus 306 further comprises an adhesive applicator (not shown) configured to apply a line of adhesive to the web W2 (for example, to the uncovered region 8) such that when the web W2 passes through the second portion (not shown) of the garniture tongue 307, the first longitudinal edge is folded over the opposite second longitudinal edge of the web W2 and is glued in position by the line of adhesive.
- an adhesive applicator (not shown) configured to apply a line of adhesive to the web W2 (for example, to the uncovered region 8) such that when the web W2 passes through the second portion (not shown) of the garniture tongue 307, the first longitudinal edge is folded over the opposite second longitudinal edge of the web W2 and is glued in position by the line of adhesive.
- a continuous rod R is formed comprising the body of material 3 that is intermittently circumscribed by the individual portions of the substrate 2 and is continuously circumscribed by the first wrapping material 6.
- the wrapping apparatus 306 has a different arrangement, for example, comprising one or more drums or conveyor belts that are configured to convey portions of the first wrapping material 6, substrate 2 and second aerosol generating material 5 such that the components are combined into a rod.
- a seventh step the continuous rod R is cut to form individual articles 1 or to form multiple-length articles 1 that may then subsequently cut to form individual articles 1 (before or after optionally being combined with further components).
- the continuous rod R is cut along dashed line Zz- Z2 (shown in Fig. 15F) by a cutting device 308, for example, a cutting drum, reciprocating blade/knife or laser.
- a cutting device 308 for example, a cutting drum, reciprocating blade/knife or laser.
- the steps of cutting and spacing individual potions of the substrate 2 may be omitted.
- the first aerosol generating material 4 is applied to the web Wi of the second sheet material 7 which is then combined with the web W2 of the first sheet material 6, and subsequently fed through a wrapping apparatus 306 to form an article 1 wherein the substrate 2 extends between the first and second ends of the body of material 3 (for example, to produce an article 1 of the configuration shown in Fig. 9).
- the body of material 3 is pre-formed and then the arrangement of the substrate 2 and first sheet material 6 are wrapped about the body of material 3.
- individual portions of first sheet material 6 are formed that each has an individual portion of substrate 2 adhered thereto, wherein the individual portions of first sheet material 6 and respective individual portions of substrate 2 are each wrapped about a respective body of material 3.
- the first aerosol generating material 4 is adhered directly to the first sheet material 6.
- the first aerosol generating material 4 is applied in discrete regions to the first sheet material 6.
- the first aerosol generating material 4 is applied continuously across the entire length of the first sheet material 6 between the first and second edges 6A, 6B thereof.
- the first aerosol generating material 4 forms the substrate 2 attached to the first wrapping material 6.
- the body of material 3 is shown being compressed radially inwardly in the region of the substrate 2. That is, when the substrate 2 and first sheet material 6 are wrapped about the body of material 3, the substrate 2 deforms the body of material 3 radially inwardly to compress the body of material 3.
- less material is provided in the portion of the body of material 3 that is wrapped in the substrate 2 in order to accommodate the substrate 2 without the body of material 3 being compressed.
- a circumferential groove maybe provided in the body of material 3 that accommodates the substrate 2.
- the body of material 3 is a cylindrical rod and the substrate 2 and first sheet material 6 are wrapped about the body of material 3 such that the cylindrical rod is not compressed or is substantially not compressed by the substrate 2.
- the first and/or second aerosol generating material 4, 5 may comprise, consist of, or essentially consist of extruded or compressed bodies of tobacco material and, preferably, the extruded or compressed bodies of tobacco material comprise beads of tobacco material.
- the first and/or second aerosol generating material 4, 5 may comprise, consist of, or essentially consist of reconstituted tobacco and, preferably, comprises a shredded sheet of reconstituted tobacco.
- the first and/or second aerosol generating material 4, 5 may comprise, consist of, or essentially consist of lamina tobacco.
- the first and/or second aerosol generating material 4, 5 may comprise, consist of, or essentially consist of reconstituted tobacco and lamina tobacco and, preferably, the reconstituted tobacco and lamina tobacco are mixed together.
- the body of material 3 may comprise, consist of, or essentially consist of a sheet of aerosol generating material that is gathered to form the body of material 3 and, preferably, the sheet material is crimped.
- the sheet is a sheet of reconstituted tobacco.
- the first and/or second aerosol generating material 4, 5 may comprise, consist of, or essentially consist of a sheet of aerosol generating material that is cut into strips.
- the sheet is a sheet of reconstituted tobacco.
- the second aerosol generating material 5 maybe cut into strips that are then arranged to form the body of material 3.
- the first and/or second aerosol generating material 4, 5 may comprise tobacco material, and wherein the tobacco material is manufactured only from tobacco lamina and no other types of tobacco material.
- the first and second aerosol generating materials 4, 5 are manufactured from the same aerosol generating starter materials that are processed to have different forms.
- the aerosol-generating materials of the article may be the same or different.
- the densities of the first and second aerosol-generating materials 4, 5 may be the same.
- the article further comprises a third aerosol generating material, which may a different density to the first and/or second aerosol generating material. It has been found that providing different densities of first and second aerosol generating materials 4, 5 means that the higher density material heats up slower when both materials are exposed to the same heating and thus the higher density material will release its volatile compounds (e.g. nicotine) at a slower rate than the lower density material.
- the first aerosol-generating material 4 has a greater density than the second aerosol-generating material 5 so that the first aerosol generating material 4 heats up slower than the second aerosol generating material 5 when exposed to the same heating and will release its volatile compounds (e.g.
- the aerosol-generating materials of different densities are combined with separate heating of these materials at optionally different times and/or different temperatures, thereby allowing the provision of a more tailored release of the volatile compound(s) over the period of consumption of the article, for example.
- the capacity to control the aerosol generation and volatile compound release may be particularly advantageous because the article can be made relatively small whilst still achieving a particular desired release of volatile compound(s) over the period of consumption.
- one of the first and second aerosol generating materials 4, 5 has a density that is at least about 25% higher than the density of the other one of the first and second aerosol generating materials 4, 5 and, optionally, at least about 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70% or 75% higher.
- the said one of the first and second aerosol generating materials 4, 5 may have a density that is no more than about 200% higher than the density of the other one of the first and second aerosol generating materials 4, 5 and, optionally, no more than about 150%, 125%, 100% or 75% higher.
- the one of the first and second aerosol generating materials 4, 5 has a density that is from about 25% to about 75% higher than the density of the other one of the first and second aerosol generating materials 4, 5.
- said one of the first and second aerosol generating materials 4, 5 has a density of from at least about 0.4 g/cm3 and optionally from at least about 0.5,
- the said one of the first and second aerosol generating materials 4, 5 may have a density of no more than about 2 g/cm3 and, optionally no more than about 1.9, 1.8, 1.7, 1.6, 1.5, 1.4, 1.3, 1.2, 1.1, 1, 0.9, 0.8, 0.7, 0.6 or 0.5 g/cm3.
- the density of said one of the first and second aerosol generating materials 4, 5 is from about 0.4 to 1.99 g/cm3.
- the said other one of the first and second aerosol generating materials 4, 5 has a density of from at least about 0.1 g/cm3 and optionally from at least about 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 or 0.9 g/cm3.
- the said other one of the first and second aerosol generating materials 4, 5 may have a density of no more than about 1 g/cm3 and, optionally no more than about 0.9, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3 or 0.2 g/cm3.
- the density of the said other one of the first and second aerosolgenerating materials 4, 5 is from about 0.1 to 0.9 g/cm3.
- the first and second aerosol-generating materials 4, 5 comprise the same components. Upon heating, they will therefore release very similar aerosols, potentially having the same content of active substance and/ or flavour, etc. Their different densities allow the aerosol to be generated from the two materials at different speeds and/or different times during heating. In other embodiments, the first and second aerosol-generating materials 4, 5 comprise different components (and may have the same or different densities). Upon heating, they will therefore release different aerosols, potentially having different make-up of active substance and/or flavour, etc. Their different densities allow the different aerosols to be generated from the two materials at different speeds and/ or different times during heating, potentially providing an aerosol that changes over the period of use.
- the first aerosol-generating material 4 and the second aerosolgenerating material 5 each comprise a botanical material, for example, tobacco.
- the tobacco will contain volatile components including nicotine, aromas and flavours.
- the tobacco may be any type of tobacco and any part of the tobacco plant, including tobacco leaf, lamina, stem, stalk, ribs, scraps and shorts or mixtures of two or more thereof.
- Suitable tobacco materials include the following types: Virginia or flue-cured tobacco, Burley tobacco, Oriental tobacco, or blends of tobacco materials, optionally including those listed here.
- the tobacco may be expanded, such as dry-ice expanded tobacco
- the tobacco material may be reconstituted tobacco material.
- the tobacco may be pre-processed or unprocessed, and maybe, for instance, solid stems (SS); shredded dried stems (SDS); steam treated stems (STS); or any combination thereof.
- the tobacco material maybe fermented, cured, uncured, toasted, or otherwise pre-treated.
- the first and second aerosol-generating materials 4, 5 may comprise different tobacco.
- the tobacco may be the same, but is provided in a different form, so that one of the first and second aerosol-generating materials 4, 5 has a greater density than the other one of the first and second aerosol-generating materials 4, 5.
- the first aerosol-generating material 4 has at least one (further) different characteristic to the second aerosol generating material 5.
- the different characteristic maybe one or more of form, size, , water content, amount (by weight), material or materials, or proportion of materials that make the first and second aerosol- generating materials 4, 5 (including the recipe of the aerosol generating materials when each is manufactured from more than one material).
- the first and second aerosol-generating materials 4, 5 do not have a different characteristic, other than their different densities. In other embodiments, the densities of the first and second aerosol generating materials is the same.
- the second aerosol-generating material 5 comprises one or more tobacco in the form of cut rag. This tobacco material may lamina or reconstituted tobacco material. In some embodiments, the second aerosol-generating material 5 is a blend comprising both lamina and reconstituted tobacco. For example, the ratio of lamina and reconstituted tobacco may from about 1:4 to about 4:1.
- the first aerosol-generating material 4 has a greater density than the second aerosol-generating material 5.
- this more dense, first aerosol-generating material 4 comprises particles or maybe in the form of beads or one or more sheets. Each bead or sheet may be formed from smaller particles that have been agglomerated.
- the second aerosol-generating material 5 may be denser than the first aerosol generating material 4 and, for example, may be in the form of beads or one or more sheets.
- the both of the first and second aerosol generating materials 4, 5 may be in the form of beads or one or more sheets and, optionally, may be processed such that one of the first and second aerosol generating materials 4, 5 has a higher density than the other one of the first and second aerosol generating materials 4, 5.
- the beads 4, 5 maybe cast in a sheet material.
- the term “beads” is meant to include beads, pellets, or other discrete small units that have been shaped, moulded, compressed or otherwise fashioned into a desired shape.
- the beads may have smooth, regular outer shapes (e.g., spheres, cylinders, ovoids, etc.) and/or they may have irregular outer shapes.
- the beads have a diameter (for example, as measured by sieving) of at least about 0.5 mm and, optionally at least about 1, 1.5, 2. 2.5 or 3 mm.
- the beads may have a diameter (for example, as measured by sieving) of no more than about 5 mm and, optionally no more than about 4.5, 4, 3.5, 3, 2.5, 2 or 1.5 mm. In some embodiments, the diameter of each bead may range from about 0.5 mm to about 3 mm, or from about 1 mm to about 2 mm.
- the size of the beads may refer to their average size, such as the number or volume mean size.
- the desired density of the aerosol-generating material 4, 5 is achieved or controlled through the formulation of the material and/or the method(s) by which the material is processed. Processes involving agglomeration, and especially agglomeration with the application of some of compressive forces will tend to increase the density of the material.
- the first and/ or second aerosol-generating material 4, 5 comprises particles of material that are agglomerated.
- the sheet maybe formed from particles of material that are bound and optionally compressed to form a sheet with the desired dimensions and density.
- beads or pellets can be formed using a so called marumarising process.
- the agglomeration is by pelletisation.
- Pelletisation is an agglomeration process that converts fine particles of material, optionally together with excipient, into free-flowing units, referred to as pellets.
- pellets may occur in a number of ways. These pellets maybe formed by agitation and as the particles are rolled and tumbled in the presence of appropriate quantities of a liquid, agglomerates are formed. Balling may involve the use of apparatus such as pans, discs, drums or mixers to produce pellets.
- Compaction pelletisation is a form of pressure agglomeration, in which the particles are forced together by a mechanical force, optionally with formulation aids. The compressive forces mean that the pellets formed have increased density compared to the starting material.
- the agglomeration is by extrusion.
- pellets formed by pelletisation may be extruded to form higher density extrudates.
- the particles to be extruded may have a size selected to produce a more dense aerosolgenerating material (e.g. a more dense first or second aerosol generating material 4, 5), which will have an impact on the heat transfer within the material and the release of the volatile components.
- a more dense aerosolgenerating material e.g. a more dense first or second aerosol generating material 4, 5
- Extrusion involves feeding a composition (also referred to as a precursor composition) through a die to produce an extruded product.
- a composition also referred to as a precursor composition
- the process applies pressure to the composition combined with shear forces.
- Extrusion may be performed using one of the main classes of extruders: screw, sieve and basket, roll, ram and pin barrel extruders.
- a single screw or twin screw extruder may be used.
- Forming the tobacco beads by extrusion has the advantage that this processing combines compression, mixing, conditioning, homogenizing and moulding of the composition.
- the free-flowing composition comprising particles, such as tobacco particles
- the free-flowing composition comprising particles, such as tobacco particles
- an orifice such as a shaping nozzle or die
- the extrudate has a rod-like form and it may be cut into segments of a desired length.
- the composition is exposed to temperatures from about 4O°C to about 15O°C, or from about 8o°C to about 13O°C, or from about 6o°C to about 95°C within the extruder. In some embodiments, including those using double extrusion, the precursor composition is exposed to temperatures from about 7O°C to about 95°C within the extruder. In some embodiments, including those using single extrusion, the precursor composition is exposed to temperatures from about 6o°C to about 8o°C within the extruder.
- the composition may be exposed to pressures (immediately before the die or nozzle) ranging from about 2 bar to about too bar, or from about 5 bar to about 60 bar, depending on the design of the die or nozzle being used. The higher the pressure, the greater the density of the extrudate is likely to be. Thus, the extrusion process may be adjusted to provide extruded aerosol-generating material with the desired density.
- the tobacco beads formed from the extrudate exhibit good heat transfer and mass transfer, which has a positive impact on the release of tobacco constituents, such as flavours and nicotine.
- the extrusion may be a generally dry process, with the composition including aerosol generating particles that are dry or substantially dry.
- the composition may optionally include other particulate materials including, for example, base, diluent, solid aerosol forming agents, solid flavour modifiers, etc.
- liquids may be added to the composition prior to or during the extrusion process.
- water may be added, for example as a processing aid to assist dissolution or solubilisation of components of the composition, or to aid binding or agglomeration.
- a wetting agent maybe added to the composition.
- the liquid may be an aerosol former material such as glycerol or others discussed herein.
- the liquid is applied not only on the surface, but, as a result of the extruder pressure combined with the intensive mixing by high shear forces, the extrudate becomes impregnated with the liquid.
- the liquid is an aerosol former material, this can result in a high availability of the aerosol former material in the resultant beads to enhance evaporation of volatile components.
- the amount of aerosol former material incorporated into the extruded beads may be up to about 30% by weight and even up to about 40% by weight. Ordinarily, such high amounts of aerosol former material could render the composition difficult to handle. However, this is less of an issue where extrusion results in the particles being impregnated with the aerosol former material. It maybe desirable to include an aerosol former material in an amount such as at least about 10% or at least about 20% by weight where the beads are to generate an aerosol in addition to releasing the volatile components. Smaller amounts of aerosol former material, such as up to about 5% by weight, maybe sufficient where the beads’ primary function is to release volatile constituents carried by the beads into an existing aerosol or air flow.
- the agglomerates do not include a binder or binding additive.
- extruded beads may not require a binder to maintain their structural integrity.
- the agglomerates comprise a binder or binding additive.
- the binding additive may be selected to assist in the formation of an agglomerated structure by helping to adhere the particles to each other and to other components in the composition.
- Suitable binding additives include, for example, thermoreversible gelling agents such as gelatin, starches, polysaccharides, pectins, alginates, wood pulp, celluloses, and cellulose derivatives such as carboxymethylcellulose.
- processing by extrusion is sufficient to provide the higher density of the first or second aerosol-generating material 4, 5, where desired.
- the extrudate may be further treated to increase the density of the first or second aerosol-generating material 4, 5.
- the extruded aerosol-generating material undergoes spheronisation.
- spheronisation the extruded, cylindrically shaped particles are broken into uniform lengths and are gradually transformed into spherical shapes due to plastic deformation.
- the extrudate is first broken into uniform lengths, spheres with a uniform diameter will be produced by the spheronisation step.
- samples of the first aerosol-generating material 4 were produced as follows (but note that in some embodiments samples may be produced according to the below, which are instead used for the second aerosol generating materials and/or a third aerosol generating material).
- Three sample formulations with and without binders are shown in Table 1, with the amounts indicated as percent wet weight basis (WWB).
- the tobacco was ground to produce a fine powder, taking care not to overheat the tobacco.
- the ground tobacco particles were sieved to select those with a desired size, for example a particle size of less than 250 pm, of less than 100 pm or less than 60 pm.
- all of the dry (non-liquid) components of the formulation were combined and mixed or blended in a mixer.
- the mixture was mixed for 1 minute at a speed to 75 RPM. This was to ensure that the dry components are homogenously distributed within the mixture.
- half of the glycerol and half of the water were added to the dry mixture and mixed. Specifically, the mixture was mixed for a further minute at 75 RPM. The remaining glycerol and water was then added and mixed, again for 1 minute at 75 RPM. Then, to ensure that a homogenous mixture was achieved, mixing was continued until the mixture had a crumbly consistency that could be squeezed into a mass. In this specific instance, the additional mixing lasted 3 minutes.
- the mixture was then extruded using a Caleva Multilab.
- the extruder was operated at approximately 1500 rpm to produce lengths of extrudate resembling spaghetti.
- the extrudate was broken into pieces of varying length as it came out of the extruder. These pieces were then spheronised. Spheronisation was carried out until spherical beads were formed. In this instance, the extrudate was initially spheronised in a Caleva - 6o -
- the spheronised beads were dried in an oven at 65°C for 30 minute periods. After each drying period, the beads were weighed and drying was halted when the desired moisture weight loss was achieved. Generally, such drying will take about 1 hour.
- the other one of the first and/or second aerosol-generating material 4, 5 is in the form of discrete particles, or in the form of an agglomerated body of particles. These particles may share various characteristics with the (denser) one of the first and second aerosol-generating material 4, 5, such as particle size, but will have a lower density. As described above, there are various ways to adjust the density of the aerosol-generating material 4, 5, such as the formulation and/or the processing of the material into particles, beads or pellets.
- said other one of the first and second aerosol-generating materials 4, 5 comprises a combination of 60% reconstituted tobacco and 40% lamina tobacco, with the density of this material being in the range of from about 0.1 to about 0.9 g/cm 3 .
- the other (denser) aerosol-generating materials 4, 5 comprises from about 30 to about 90% tobacco, with a density in the range of from about 0.4 to about 1.99 g/cm 3 .
- the amount of aerosol forming material included in the first and/or second aerosol-generating materials 4, 5 may be from about 8 to about 15%.
- the (denser) one of the first and second aerosol-generating materials 4, 5 may comprise largely spherical beads with a particle size between about 0.5 and about 3 mm.
- the aerosol generating material in an article comprises approximately 50% of the first aerosol-generating material 4 and about 50% of the second aerosol-generating material 5, by weight.
- an article comprising 260 mg of aerosol-generating material may comprise 130 mg of the first aerosol-generating material 4 and 130 mg of the second aerosol-generating material 5.
- the tobacco is present in an amount of between about 10% and about 90% by weight of the aerosol generating material.
- the tobacco may be present in an amount of at least about 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, or at last about 35% tobacco based on the weight of the aerosol generating material.
- the tobacco may be present in an amount of no more than about 90%, 89%, 88%, 87%, 86%, 85%, 84%, 83%, 82%, 81%, 80%, 75%, 70%, 65%, 60%, 55%? 50%, 45%, or no more than about 40% tobacco based on the weight of the aerosol generating material.
- the tobacco described herein may contain nicotine.
- the nicotine content is from 0.5 to 2% by weight of the tobacco, and maybe, for example, from 0.5 to 1.75% by weight of the tobacco, from 0.8 to 1.2% by weight of the tobacco or from about 0.8 to about 1.75% by weight of the tobacco.
- the nicotine content may be from 0.8 to 1% by weight of the tobacco.
- the first and second aerosol-generating materials 4, 5 have the same nicotine content.
- the first and second aerosol-generating materials 4, 5 comprise one or more volatile components. In some embodiments, the first and second aerosolgenerating materials 4, 5 have the same volatile component content. In some embodiments, the first and/or second aerosol-generating materials 4, 5 comprise tobacco. For example, the first and/or second aerosol-generating materials 4, 5 may comprise from about 80 to about 350 mg of tobacco. In some specific embodiments, the aerosol-generating material in an article or consumable has a weight of 260 mg, comprising a combination of 130 mg of a second aerosol-generating material 5, for example comprising a blend of lamina and reconstituted tobacco, and 130 mg of a first aerosol-generating material 4, for example comprising higher density tobacco beads.
- the article comprises regions of aerosol-generating material, wherein each region comprises aerosol-generating material contain an equal amount of tobacco.
- the regions may contain different amounts of tobacco.
- one region of aerosol-generating material comprises from about 20 to about 330 mg, or from about 50 to about 300 mg, or from about 40 to about 125 mg of tobacco and the other region of aerosol-generating material comprises from about 20 to about 330 mg, or from about 30 to about 300 mg or from about 40 to about 125 mg of tobacco.
- kit of parts comprising an article 1 according to any of the examples described herein and an aerosol provision device 200.
- a package comprising a plurality of articles according to any of the examples described herein.
- the package is hermetically sealed.
- the package may comprise a container comprising a body and a lid, wherein a space is provided within the container body to receive the plurality of articles.
- the lid may, for example, be a hinged lid, a snap-fit lid or lid that is connected by a screw thread.
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Abstract
Description
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Priority Applications (4)
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IL313271A IL313271A (en) | 2021-12-20 | 2022-12-20 | An article for use in an aerosol provision system and a method of manufacturing an article for use in an aerosol provision system |
AU2022419442A AU2022419442A1 (en) | 2021-12-20 | 2022-12-20 | An article for use in an aerosol provision system and a method of manufacturing an article for use in an aerosol provision system |
CA3241442A CA3241442A1 (en) | 2021-12-20 | 2022-12-20 | An article for use in an aerosol provision system and a method of manufacturing an article for use in an aerosol provision system |
KR1020247020446A KR20240100465A (en) | 2021-12-20 | 2022-12-20 | Articles for use in aerosol delivery systems and methods of making articles for use in aerosol delivery systems |
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KR (1) | KR20240100465A (en) |
AU (1) | AU2022419442A1 (en) |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6053176A (en) * | 1999-02-23 | 2000-04-25 | Philip Morris Incorporated | Heater and method for efficiently generating an aerosol from an indexing substrate |
EP2081452B1 (en) * | 2006-11-07 | 2011-04-20 | British American Tobacco (Investments) Limited | Roll-your-own smokeable product |
US20180295885A1 (en) * | 2015-10-22 | 2018-10-18 | Philip Morris Products S.A. | Aerosol-generating article, aerosol-generating pellet, method for forming aerosol-generating pellets and aerosol-generating system comprising aerosol-generating pellets |
US20210329965A1 (en) * | 2018-10-12 | 2021-10-28 | Nicoventures Trading Limited | Article for use with apparatus for heating aerosolizable material |
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2022
- 2022-12-20 IL IL313271A patent/IL313271A/en unknown
- 2022-12-20 CA CA3241442A patent/CA3241442A1/en active Pending
- 2022-12-20 KR KR1020247020446A patent/KR20240100465A/en unknown
- 2022-12-20 AU AU2022419442A patent/AU2022419442A1/en active Pending
- 2022-12-20 WO PCT/GB2022/053327 patent/WO2023118854A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6053176A (en) * | 1999-02-23 | 2000-04-25 | Philip Morris Incorporated | Heater and method for efficiently generating an aerosol from an indexing substrate |
EP2081452B1 (en) * | 2006-11-07 | 2011-04-20 | British American Tobacco (Investments) Limited | Roll-your-own smokeable product |
US20180295885A1 (en) * | 2015-10-22 | 2018-10-18 | Philip Morris Products S.A. | Aerosol-generating article, aerosol-generating pellet, method for forming aerosol-generating pellets and aerosol-generating system comprising aerosol-generating pellets |
US20210329965A1 (en) * | 2018-10-12 | 2021-10-28 | Nicoventures Trading Limited | Article for use with apparatus for heating aerosolizable material |
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CA3241442A1 (en) | 2023-06-29 |
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