US20240164450A1 - Heating device, heating element and aerosol generating product - Google Patents

Heating device, heating element and aerosol generating product Download PDF

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Publication number
US20240164450A1
US20240164450A1 US18/552,150 US202218552150A US2024164450A1 US 20240164450 A1 US20240164450 A1 US 20240164450A1 US 202218552150 A US202218552150 A US 202218552150A US 2024164450 A1 US2024164450 A1 US 2024164450A1
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Prior art keywords
aerosol generating
aerosol
heating device
generating substrate
heating
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US18/552,150
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English (en)
Inventor
Yong Seang KIEW
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Starker International Pte Ltd
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Starker International Pte Ltd
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/062—Use of materials for tobacco smoke filters characterised by structural features
    • A24D3/063—Use of materials for tobacco smoke filters characterised by structural features of the fibers
    • 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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • 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
    • A24F40/85—Maintenance, e.g. cleaning
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/17—Filters specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts

Definitions

  • the present disclosure relates to an aerosol generating product, a heating device, a heating element associated with heating the aerosol generating product.
  • a typical heat-not-burn device comprises a heating device/element operable to heat an aerosol generating product having an aerosol generating substrate.
  • the aerosol generating product may include tobacco material and one or more filter elements.
  • the filter included in the replaced device may be wastefully disposed.
  • current heating devices comprise mouthpieces that may be heated such that when a user first consumes the generated aerosol, i.e. the ‘first puff’, the heated mouthpiece may inadvertently burn the lips of the user. Further, the heat profile for heating the aerosol generating product may not be optimized for a good taste profile for the user's enjoyment.
  • a heating device as defined in claims 1 to 9 .
  • an aerosol generating product as defined in claims 10 to 14 .
  • a two-segment and three-segment products with aerosol generating substrate as defined in claims 15 to 21 .
  • kits comprising an aerosol generating product as described and a heating device suitable for heating the aerosol generating product as described.
  • FIGS. 1 a to 1 k illustrate various embodiments of a single-segment aerosol generating product.
  • FIGS. 2 a to 2 l illustrate a heating device for heating an aerosol generating product according to some embodiments of the present disclosure.
  • FIGS. 3 a to 3 d illustrate various embodiments of a heating element for use with the heating device illustrated in FIGS. 2 a to 2 l.
  • FIGS. 4 a to 4 e illustrate various embodiments of heating profiles associated with the heating element.
  • FIGS. 5 a to 5 c illustrate a filter unit for use with the heating device of FIGS. 2 a to 2 l and/or the aerosol generating product.
  • FIGS. 6 a to 6 f illustrate various embodiments of a jig for use with the heating device of any one of FIGS. 2 a to 2 k.
  • FIGS. 7 a to 7 m illustrate various embodiments of two-segment aerosol generating product.
  • FIGS. 8 a to 8 o illustrate various embodiments of a three-segment aerosol generating product.
  • FIG. 9 show various shape profiles of a metallic tube for use with an aerosol generating product for better heat dissipation and/or aerosol taste enhancement.
  • tobacco will be understood to include intermediate and/or final products prepared from a part of the tobacco plant, such as leaves, through the process of drying or curing, and further optional processes of aging, fermenting, flavorings etc., and to include any other products derived from any forms of tobacco leaves such as ground and reconstituted tobacco material.
  • alloy will be understood to refer to an admixture of metals and elements including, but not limited to, aluminum, copper, iron, magnesium, manganese, nickel, silicon, silver, tin, titanium, vanadium and zinc.
  • the dominant or main component metal may be the metal having the highest percentage, in composition, relative to other elements.
  • fiber will be understood to depict a slender and substantially elongated shape.
  • sheet and “layer” will be understood to depict a planar surface with a substantially higher length and/or width compared to thickness.
  • layer can refer to single or multiple layers, with or without coating.
  • the term ‘wrapped’ or ‘unwrapped’ refers to a covering/non-covering of a unit.
  • the cover is for purpose of maintaining a structural integrity of the unit.
  • aerosol generating substrate refers to a substrate that, when heated, produces an aerosol or vapor suitable for consumption by a user.
  • the aerosol generating substrate may include one or more layers and each layer can include tobacco and/or non-tobacco material.
  • not-for-burn refers to a methodology of heating an aerosol generating substrate/product without combustion.
  • acetate tow includes colored acetate tow.
  • FIG. 1 a shows a perspective view of the product 100
  • FIG. 1 a (ii) shows a side view of the product 100 when viewed from a direction A
  • FIG. 1 a (iii) shows a side view of the product 100 when viewed from a direction B
  • FIG. 1 a (iv) is a cross-sectional view of the product 100 seen from the direction B.
  • the aerosol generating product 100 may be directly inserted to a not-for-burn device, for example the not-for-burn device shown in FIGS. 2 a to 2 k .
  • the aerosol generating product 100 may comprise at least one aerosol generating substrate 104 forming the core layer 102 of the product 100 .
  • An outer layer 106 in the form of a cover or wrapper may be arranged to at least partially surround the core layer 102 to provide structural integrity thereof.
  • the at least one aerosol generating substrate 104 comprises at least one of the following: a reconstituted tobacco sheet, a cast leaf tobacco sheet, tobacco powder, a cut tobacco roll, an acetate tow, a natural fiber, a natural leaf, a cellulose fiber, tobacco pellets, and derivatives thereof.
  • the outer cover 106 may be formed from or of acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the embodiment shown in FIG. 1 a comprises at least one intermediate layer 108 disposed between the outer layer 106 and the aerosol generating substrate 104 , and wherein the intermediate layer 108 comprises one or more of the following materials: —metal (including aluminum copper, in foil/sheet form or otherwise), alloy, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA, polypropylene such as biaxially-oriented polypropylene or BOPP), polymer, fiber (including natural fiber) and ceramic. It is contemplated that additional intermediate layers 108 may be further disposed between the outer layer 106 and the aerosol generating substrate 104 , each intermediate layer 108 may be formed of or from a material different from other intermediate layer 108 .
  • the aerosol generating substrate 104 may include at least one of a tobacco material and a non-tobacco material.
  • the core layer may also be single layered or multi-layered.
  • FIG. 1 b Another embodiment of the aerosol generating product 100 , where like numerals reference like parts, is shown in FIG. 1 b.
  • FIG. 1 b (i) shows a perspective view of the product 100
  • FIG. 1 b (ii) shows a side view of the product 100 when viewed from the direction A
  • FIG. 1 b (iii) shows a side view of the product 100 when viewed from the direction B
  • FIG. 1 b (iv) is a cross-sectional view of the product 100 seen from the direction B.
  • the core layer 102 is not completely or substantially filled with aerosol generating substrate 104 , but further comprises a hollow portion 110 arranged adjacent to the aerosol generating substrate 104 .
  • FIG. 1 b (v) is an alternative to FIG. 1 b (iii) and shows a side view of the product 100 when viewed from the direction B.
  • FIG. 1 b (vi) is an alternative to FIG. 1 b (iv) and is a cross-sectional view of the product 100 seen from the direction B.
  • the hollow portion 110 shown in FIG. 1 b (v) and FIG. 1 b (vi) does not have the intermediate layer 112 .
  • FIG. 1 c Another embodiment of the aerosol generating product 100 , where like numerals reference like parts, is shown in FIG. 1 c .
  • the embodiment shown in FIG. 1 c does not comprise a wrapping of outer layer 106 .
  • the intermediate layer 108 comprising at least one of metal (including aluminum copper, in foil/sheet form or otherwise), alloy, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA, polypropylene such as biaxially-oriented polypropylene or BOPP), polymer, fiber (including natural fiber) and ceramic is the outer layer.
  • the layer 108 may form an outer layer where there is only one layer, and may form both the outer layer and intermediate layer where there are two or more layers.
  • the outer layer may be formed of coated paper and the intermediate layer be formed from a metal alloy, such as an aluminum alloy.
  • FIG. 1 d Another embodiment of the aerosol generating product 100 , where like numerals reference like parts, is shown in FIG. 1 d .
  • the embodiment shown in FIG. 1 d comprises a relatively thicker outer layer 106 and a relatively thinner aerosol generating substrate layer 104 .
  • the embodiment of FIG. 1 c is without an intermediate layer 108 or 112 .
  • FIG. 1 d (i) shows a perspective view of the product 100
  • FIG. 1 d (ii) shows a side view of the product 100 when viewed from the direction A
  • FIG. 1 d (iii) shows a side view of the product 100 when viewed from the direction B
  • FIG. 1 d (iv) is a cross-sectional view of the product 100 seen from the direction B.
  • the core layer 102 of the embodiment of FIG. 1 d comprises a through hollow 114 .
  • the core layer 102 may be regarded as a core region/central area with no material or layer formed therein.
  • the aerosol generating substrate 104 in the form of reconstituted tobacco sheet, is layered on the outer perimeter/circumference of the core layer 102 .
  • the outer layer 106 in the form of acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper), is layered on the reconstituted tobacco sheet.
  • FIG. 1 e Another embodiment of the aerosol generating product 100 , where like numerals reference like parts, is shown in FIG. 1 e .
  • the embodiment shown in FIG. 1 e comprises an outer layer 106 in the form is without an intermediate layer 108 or 112 .
  • FIG. 1 e (i) shows a perspective view of the product 100
  • FIG. 1 e (ii) shows a side view of the product 100 when viewed from the direction A
  • FIG. 1 e (iii) shows a side view of the product 100 when viewed from the direction B
  • FIG. 1 e (iv) is a cross-sectional view of the product 100 seen from the direction B.
  • the core layer 102 of the embodiment of FIG. 1 e comprises a through hollow 114 .
  • the aerosol generating substrate 104 in the form of tobacco powder, is dispersed throughout the outer layer 106 .
  • the outer layer 106 comprises acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper) as the base material and the tobacco powder may be coated onto the acetate tow.
  • FIG. 1 f Another embodiment of the aerosol generating product 100 , where like numerals reference like parts, is shown in FIG. 1 f .
  • the embodiment shown in FIG. 1 f comprises an outer layer 106 in the form that is without an intermediate layer 108 or 112 .
  • FIG. 1 f (i) shows a perspective view of the product 100
  • FIG. 1 f (ii) shows a side view of the product 100 when viewed from the direction A
  • FIG. 1 f (iii) shows a side view of the product 100 when viewed from the direction B
  • FIG. 1 f (iv) is a cross-sectional view of the product 100 seen from the direction B.
  • FIG. 1 f has no hollow portion 114 .
  • the aerosol generating substrate 104 in the form of tobacco powder, is dispersed throughout the core layer 102 .
  • FIG. 1 g Another embodiment of the aerosol generating product 100 , where like numerals reference like parts, is shown in FIG. 1 g.
  • FIG. 1 g (i) shows a perspective view of the product 100
  • FIG. 1 g (ii) shows a side view of the product 100 when viewed from the direction A
  • FIG. 1 g (iii) shows a side view of the product 100 when viewed from the direction B
  • FIG. 1 g (iv) is a cross-sectional view of the product 100 seen from the direction B.
  • the core layer 102 of the embodiment of FIG. 1 f comprises through hollow 114 .
  • the aerosol generating substrate 104 in the form of reconstituted tobacco sheet, is layered on the through hollow 114 .
  • the intermediate layer 108 is formed from or of acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the outer layer 106 may be a single layer with paper, or multi-layer including material such as metal (including aluminum copper, in foil/sheet form or otherwise), alloy, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA, polypropylene such as biaxially-oriented polypropylene or BOPP), polymer, fiber (including natural fiber) and ceramic.
  • material such as metal (including aluminum copper, in foil/sheet form or otherwise), alloy, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA, polypropylene such as biaxially-oriented polypropylene or BOPP), polymer, fiber (including natural fiber) and ceramic.
  • FIG. 1 h Another embodiment of the aerosol generating product 100 , where like numerals reference like parts, is shown in FIG. 1 h.
  • FIG. 1 h (i) shows a perspective view of the product 100
  • FIG. 1 h (ii) shows a side view of the product 100 when viewed from the direction A
  • FIG. 1 h (iii) shows a side view of the product 100 when viewed from the direction B
  • FIG. 1 h (iv) is a cross-sectional view of the product 100 seen from the direction B.
  • the core layer 102 of the embodiment of FIG. 1 h comprises through hollow 114 .
  • the aerosol generating substrate 104 in the form of tobacco powder, is dispersed on the intermediate layer 108 .
  • the intermediate layer 108 is formed from or of acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the outer layer 106 may be a single layer with paper, or multi-layer including material such as metal (including aluminum copper, in foil/sheet form or otherwise), alloy, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA, polypropylene such as biaxially-oriented polypropylene or BOPP), polymer, fiber (including natural fiber) and ceramic.
  • FIG. 1 i Another embodiment of the aerosol generating product 100 , where like numerals reference like parts, is shown in FIG. 1 i.
  • FIG. 1 i (i) shows a perspective view of the product 100
  • FIG. 1 i (ii) shows a side view of the product 100 when viewed from the direction A
  • FIG. 1 i (iii) shows a side view of the product 100 when viewed from the direction B
  • FIG. 1 i (iv) is a cross-sectional view of the product 100 seen from the direction B.
  • the core layer 102 of the embodiment of FIG. 1 i comprises acetate tow.
  • the aerosol generating substrate 104 in the form of tobacco powder, is dispersed on the core layer 102 .
  • the outer layer 106 may be a single layer with paper, or multi-layer including material such as metal (including aluminum, copper, in foil/sheet form or otherwise), alloy, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA, polypropylene such as biaxially-oriented polypropylene or BOPP), polymer, fiber (including natural fiber) and ceramic.
  • FIGS. 1 h and 1 i may be without tobacco powder.
  • the aerosol generating substrate 104 may form part of the outer layer 106 or the intermediate layer 108 .
  • FIGS. 1 j and 1 k shows preform shapes in various forms.
  • the aerosol generating substrate is held together by binding agents and compressed by pressure to form these shapes.
  • acetate tow to be used as an outer layer 106 , as a base material forming part of the core layer 102 , and/or as base material forming part of the intermediate layer 108 .
  • the outer layer 106 or wrapper comprises at least one layer of paper, metal, alloy, reconstituted tobacco sheet, cast leaf tobacco (CLT) sheet, acetate tow, heat stick wrapper plastic (including PLA, polypropylene such as biaxially-oriented polypropylene or BOPP), polymer, fiber (including natural fiber) and ceramic. If the wrapper is a metal, the metal may include aluminum or copper in a foil form.
  • the aerosol generating product is a cylindrical rod having a length in a range from 5 mm to 250 mm.
  • the single segment comprises a base ingredient having at least one of Propylene Glycol (PG) and Vegetable Glycerine/Glycerin (VG). Where both PG and VG are present, their total amount is less than 20 milligrams. In some embodiments, the ratio of PG:VG is 1:1.
  • the aerosol generating product 100 may have an overall planer shape, i.e. having a dimension, such as thickness, much smaller than other dimensions, such as length and width.
  • the planar shape is a prism or cylindrical shape.
  • the aerosol generating product 100 may be casted, molded, or shaped, formed by rolling, pressing, stamping, formed by injection or extruding, reconstituting or combinations of one or more of the above, and any other process.
  • the form of the aerosol generating substrate 102 may be one of the following: cut rag, compacted into shape, powder, dust, flakes, pellet, granules, tablet, pill, paper, block, porous block, sheet, net, fibers, fibers woven into sheet, slices, ribbons or combinations thereof.
  • the aerosol generating product 100 may be designed for products made from loose tobacco/flavored non-tobacco and rolling paper (such as, but not limited to, roll your own (RYO) products) or other heat-not-burn devices.
  • the aerosol generating product 100 may be configured in the form of a capsule.
  • FIGS. 1 a to 1 j are single segment aerosol generating products. Such single segments are advantageously compact and may be used with the heating device 200 .
  • the heating device 200 comprises a suction portion 202 in the form of a mouthpiece/nose-piece 202 allowing a user to consume aerosol generated by the aerosol generating substrate; a substrate holder 204 for receiving an aerosol generating substrate, a heating element 206 shaped and dimensioned to heat the aerosol generating substrate to produce aerosol; an aerosol delivery channel 208 positioned to receive aerosol generated from heating the aerosol generating substrate and to direct the aerosol towards the mouthpiece/nose-piece 202 .
  • the heating device 200 may be powered by electrical power, using a battery 214 that is contained within the heating device 200 .
  • the battery 214 may be a lithium-ion polymer (LiPo) battery.
  • a charging port 216 may be provided in the device 200 to charge the LiPo battery.
  • the charging port 216 may be a USB-type charging port or may be other known charging ports (including wireless charging ports).
  • the battery 214 may be electrically connected to the heating element 206 such as to increase the temperature of the heating element 206 to a desired temperature or temperature profile.
  • heat sinking areas or regions may be provided within the device 200 .
  • the heat sinking areas may comprise one or more metal or alloy coatings, plates and/or holders 240 positioned in a manner such as to reduce heat within the device 200 .
  • heat sinks in the form of fin-like structures may be positioned at a region proximate the mouthpiece/nose-piece 202 .
  • the heat sinks may be formed from manufacturing methods such as, but not limited to, extrusion, diecasting, machining process, 3D printing, investment casting and injection molding.
  • the heat insulation wall 209 may be positioned adjacent the heat sink 207 so as to dissipate heat away from the substrate holder 204 and insulate heat from the surface of the device 200 .
  • the device 200 may comprise a jig 250 as an alternative to substrate holder 204 for receiving an aerosol generating product and/or at least one filter unit.
  • the aerosol generating product may be the single-segment aerosol generating product 100 .
  • the jig 250 may comprise or may house a metal hollow or cup-shaped cylinder 207 to hold the aerosol generating product such that the cylinder 207 can be made of aluminum, copper, magnesium, stainless steel or other conductive material to dissipate heat away from the generated aerosol.
  • the jig 250 may be adjustable for the length of the aerosol generating product for ease of insertion and removal of the aerosol generating product from the substrate holder 204 .
  • the jig may comprise a filter holder 210 for receiving at least one filter 212 , the filter holder 210 positioned proximate the mouthpiece 202 in a manner such as to filter particulates from the generated aerosol before consumption by the user.
  • the heating element 206 may have a sliding mechanism 213 such that the heating element 206 can be adjusted to move up and down to heat the aerosol generating product of different lengths.
  • the sliding mechanism 213 may have biasing mechanisms as known to a skilled person to bias the element 206 at different positions to adapt to different aerosol generating product.
  • the portion of the device 200 receiving the jig may be lined with insulation 244 (see FIG. 2 a (iii)), in the form of material such as plastic, metal, fiber, glass, ceramic, carbon, aerogel, etc. to insulate the heat generated from the heating element 206 .
  • the insulation 244 may comprise a vacuum chamber surrounding the heating element and/or the jig 250 .
  • the base of the jig may comprise a slot or hole for insertion of heat element to contact the aerosol generating product 100 .
  • the aerosol generating product 100 is clamped between the jig 250 and the receiving portion 246 to prevent leakage of air.
  • the receiving portion 246 may comprise two or more biasing mechanisms such that when the jig 250 is inserted, a force is exerted on the jig 250 to hold the jig 250 securely within the device 200 . In operation, air may enter the device 200 from any air gaps 224 formed around the jig 250 .
  • FIG. 2 b which shows another embodiment of the device 200 comprising two parts 200 a and 200 b .
  • the first part 200 a which may be referred to as a device cap, houses the aerosol delivery channel 208 , filter holder 210 (with filter 212 when present), substrate holder 204 (with substrate 205 when present).
  • the second part 200 b may be referred to as a device body, houses the battery 214 , the charging port(s) 216 , any pin reset/actuators for operating the device 218 , and the heat sink(s) 240 .
  • FIG. 1 shows another embodiment of the device 200 comprising two parts 200 a and 200 b .
  • the first part 200 a which may be referred to as a device cap, houses the aerosol delivery channel 208 , filter holder 210 (with filter 212 when present), substrate holder 204 (with substrate 205 when present).
  • the second part 200 b may be referred to as a device body, houses the battery 214 , the charging port(
  • the aerosol delivery channel 208 is a U-shaped channel arranged to connect an air pocket 220 (also referred to as an airflow pocket) located adjacent to the substrate holder 204 to the filter holder 210 .
  • FIG. 2 c is a cross-section view showing the device of FIG. 2 b in operation, with the aerosol generating substrate 205 contacting the heating element 206 , and the filter 212 held in place by the filter holder 210 .
  • the heating element 206 is heated to a desired temperature. Consequently, the substrate 205 , and the air surrounding the substrate within the air pocket 220 is heated. Air from the exterior of the device 200 is drawn into the device from around one or more air gaps/inlets 224 defined at the interface between the parts 200 a , 200 b , towards the substrate 205 . The air flowing towards the substrate 205 may simultaneously be heated with the substrate 205 , and may then flow pass the heat sinks 240 , thereby reducing the temperature of the same.
  • the air drawn to the substrate 205 carries aerosol generated via heating the substrate 205 towards the air pocket 220 , and then to the U-shaped aerosol delivery channel 208 .
  • the aerosol delivery channel 208 may be coated with a layer of metal, such as aluminium, copper, magnesium, stainless steel or other conductive material (which effectively forms a heat sink) to extract heat away from the aerosol flowing pass the aerosol delivery channel 208 before entering the mouthpiece 202 .
  • the heat sink(s) 240 positioned adjoining the aerosol delivery channel 208 , further aids to dissipate heat away from the aerosol delivery channel 208 .
  • FIG. 2 d shows another embodiment of the device 200 .
  • the part 200 a may further comprise parts 200 a 1 and 200 a 2 .
  • Such an arrangement advantageously provides for a cover for easy replacement of a filter 212 .
  • Part 200 a 1 may be a referred to as a device cover, and part 200 a 2 a device cap.
  • part 200 a 1 and part 200 a 2 house the aerosol delivery channel 208 , filter holder 210 (with filter 212 when present), substrate holder 204 (with substrate 205 when present).
  • the second part 200 b may be referred to as a device body, houses the battery 214 , the charging port(s) 216 , any pin actuators (including actuators for reset, on/off, operational control) for operating the device 218 , and the heat sink(s) 240 .
  • the aerosol delivery channel 208 is a straight channel and may be analogous to the air pocket 220 located adjacent to the substrate holder 204 to the filter holder 210 .
  • a singular piece of heat sink 240 comprising one or more metal, such as aluminium, copper, magnesium, stainless steel or other conductive material may be positioned proximate or adjoining the aerosol delivery channel 208 and the substrate holder 204 to aid dissipation of heat away from the aerosol delivery channel 208 .
  • the mouthpiece 202 may be coated with a layer of metal, such as aluminium, copper, magnesium, stainless steel or other conductive material (which effectively forms a heat sink) to extract heat away from the aerosol flowing pass the mouthpiece 202 .
  • FIG. 2 e is a cross-sectional view showing the device of FIG. 2 d in operation, with the aerosol generating substrate 205 contacting the heating element 206 , and the filter 212 held in place by the filter holder 210 .
  • the heating element 206 is heated to a desired temperature. Consequently, the substrate 205 , and the air surrounding the substrate within the aerosol delivery channel 208 (air pocket 220 ) is heated. Air from the exterior of the device 200 is drawn into the device from around one or more air gaps/inlets 224 defined at the interface between the parts 200 a , 200 b towards the substrate 205 . The air flowing towards the substrate 205 , that may simultaneously be heated, may flow pass the heat sink(s) 240 , thereby reducing the temperature of the same.
  • the air drawn to the substrate 205 carries aerosol generated via heating the substrate 205 towards the air pocket 220 , and then to the aerosol delivery channel 208 adjoining the substrate holder 204 .
  • the heat sink 240 positioned adjoining the aerosol delivery channel 208 , further aids to dissipate heat away from the aerosol delivery channel 208 .
  • FIG. 2 f is another embodiment of the device 200 .
  • the aerosol delivery channel shown in FIG. 2 f is Z-shape.
  • the embodiment of FIG. 2 f also shows the part 200 a housing the substrate holder 204 only, with other components housed by the part 200 b .
  • the substrate holder 204 may be shaped and dimensioned as a hollow tube for receiving a corresponding substrate 205 within the holder.
  • mechanical gaskets such as O-rings 260 maybe positioned at various joints.
  • the cup-like or cylinder structure 207 may line the substrate holder 204 to receive the substrate 205 .
  • FIG. 2 g is a cross-sectional view showing the device of FIG. 2 f in operation, with the aerosol generating substrate 205 contacting the heating element 206 , and the filter 212 held in place by the filter holder 210 .
  • the heating element 206 is heated to a desired temperature. Consequently, the substrate 205 , and the air surrounding the substrate within the aerosol delivery channel 208 (air pocket 220 ) is heated. Air from the exterior of the device 200 is drawn into the device from around one or more air gaps/inlets 224 defined at the interface between the parts 200 a , 200 b towards the substrate 205 . The air drawn to the substrate 205 carries aerosol generated via heating the substrate 205 towards the air pocket 220 , which forms part of the aerosol delivery channel 208 adjoining the substrate holder 204 . A layer of metal is coated over part of the aerosol delivery channel 208 to facilitate heat transfer. One or more heat sink(s) 240 , positioned adjoining the aerosol delivery channel 208 , further aids to dissipate heat away from the aerosol delivery channel 208 .
  • FIGS. 2 b , 2 d and 2 f may be combined.
  • the aerosol delivery channel 208 and the mouthpiece 202 of each embodiment may both be coated with conductive material to form yet further embodiments.
  • O-rings 260 or other suitable gaskets may be positioned in the devices 200 as shown in FIGS. 2 b and 2 d.
  • the coating over the aerosol delivery channel and/or mouthpiece may be regarded as a first heat conductor.
  • the metallic plates proximate the aerosol delivery channel may be regarded as a second heat conductor operable to dissipate heat away from the first heat conductor.
  • FIG. 2 h shows an embodiment having an external profile similar to the device shown in FIG. 2 d .
  • the device cover 200 a 1 may be rotatable with respect to device cap 200 a 2 to removably detach the device cover 200 a 1 from the device cap 200 a 2 .
  • the device cap 200 a 2 comprises a slot for receiving the jig 250 , except that in the embodiment shown in FIG. 2 h the mouthpiece 202 is not part of the jig 250 .
  • a compartment of the jig 250 for receiving the aerosol generating substrate may be lined/coated with suitable heat conducting material.
  • FIG. 2 i illustrates an embodiment of the jig 250 , wherein the part of the jig 250 receiving the aerosol generating substrate allows for excess material to be pushed out from the substrate when in use. Suitable openings/gaps are formed on the jig 250 so as to allow for the excess material to be pushed out of the jig 250 .
  • FIG. 2 j illustrates another embodiment that is suitable for use with the various embodiments in FIGS. 2 a to 2 i , wherein heat sinks in the form of fin-like structures may be positioned at a region proximate the mouthpiece/nose-piece 202 .
  • the heat sinks may be formed from manufacturing methods such as, but not limited to, extrusion, diecasting, machining process, 3D printing, investment casting and injection molding.
  • FIG. 2 k illustrates embodiments wherein the region/walls surrounding the heating element 206 may be coated/layered with metal, such as aluminium, copper, stainless steel, or alloy 252 in the form of fibre, strips, sheet, chips, powder or granules.
  • the outer surface of the device 200 i.e. the surface coming into direct contact with the environment, may be formed from or of a metal or alloy, such as aluminum alloy, or plastic.
  • FIG. 2 l shows another embodiment of device 200 , comprising a through-hollow or through-hole 270 spanning across the device 200 , the through-hole 270 includes both the aerosol delivery channel 208 and substrate holder 204 , wherein a first end 270 a of the through-hole 270 is dimensioned to slidably receive the suction portion 202 , an aerosol generating substrate 205 , and/or a filter unit 212 .
  • the heating element 206 may be a cylindrical hollow surrounding a part of the through-hole 270 .
  • the aerosol generating substrate 205 is positioned between the cross-sectional side 206 a and second cross-sectional side 206 b.
  • a user may insert the aerosol generating substrate 205 via the first end 270 a of the through-hole 270 .
  • the suction portion 202 may be shaped and dimensioned to urge the aerosol generating substrate 205 toward a position between the first cross-sectional side 206 a and second cross-sectional side 206 b.
  • the through-hole 270 may be dimensioned to receive a filter unit 500 , wherein the filter unit 500 is positioned in operation such that heated aerosol is directed pass the filter unit 500 before reaching the suction portion 202 .
  • the heating device 200 of claim 5 wherein the through-hole 270 comprises a second end 270 b for at least one of the aerosol generating substrate 205 and filter unit 500 to be urged out of the through-hole 270 after consumption.
  • one or more temperature sensors may be positioned in the device 200 to provide feedback on the aerosol temperature.
  • the feedback may then be sent to a controller (not shown) for the provision of temperature control in accordance with one or more heating profiles (see FIGS. 4 a to 4 e ).
  • the controller may be in the form of an integrated circuit chip (IC), such as, but not limited to, an application specific integrated circuit (ASIC) chip.
  • IC integrated circuit chip
  • ASIC application specific integrated circuit
  • the devices 200 work on the principle to separate an aerosol generating substrate (e.g. tobacco), from the filter. This is especially suited for a single segment embodiment of the aerosol generating product 100 .
  • the additional filter 212 may not be required in operation and the slot 210 may be left empty.
  • the aerosol delivery channel 208 and/or mouthpiece may be coated with heat dissipation material or heat sink.
  • a suitable material may be a metal or alloy, such as an aluminium alloy, magnesium, stainless steel or other conductive material to extract heat away from the mouthpiece 202 .
  • FIGS. 3 a to 3 c show various embodiments of heating elements for use with a heating device, such as, but not limited to heating device 200 to heat at least one aerosol generating substrate without combustion of the at least one aerosol generating substrate, such as, but not limited to aerosol generating substrate 102 , wherein the heater element 302 is shaped and dimensioned to be in thermal contact with the at least one aerosol generating product.
  • FIG. 3 d shows various embodiments where at least one heating pin 314 is positioned adjacent to the heater element 302 to provide homogenous temperature control within the aerosol generating product, the at least one heating pin 314 is formed from or of a metal, an alloy, ceramic, nickel plating, and silver, or other composite material with or without coating.
  • the heating pin 314 may be shaped and dimensioned as having a substantially thinner width compared to the heater element 302 .
  • the heating element can comprise an elongate body portion, a first end 304 adapted to receive electrical power, and a second end adapted to provide optimum contact with the aerosol generating substrate.
  • the second end 306 of the heating element comprises a rounded tip or a tapered tip.
  • the tapered tip 306 may be a frusto-conical tip or may comprise one or more chamfered surfaces, or a circular cross-section with at least two indented portions.
  • the inside of the tip 306 may be hollow or partially hollow.
  • the internal of the elongate body portion may be hollow or partially hollow.
  • the elongate body portion of the heating element has a at least one of a L-shaped cross-section, a V-shaped cross-section, a phi-shaped cross-section, a C-shaped cross-section, a J-shaped cross-section, an X-shaped cross-section, a Y-shaped cross-section, a T-shaped cross-section, a triangular-shaped cross-section or a rectangular-shaped cross-section.
  • the heating element has a coin or planar shape 308 .
  • the heating element has a cylindrical profile 310 such that an inner surface of the cylinder is in thermal contact with the aerosol generating product 102 .
  • the heating may be effected by an inductor or inductor element.
  • the heating element has a tube profile 320 , which may be viewed as similar in shape as the cylindrical profile 310 with a base portion removed to form a through-hollow.
  • the body portion is formed from or of aluminium. In other embodiments, the body portion may be form of/from other materials such as glass/glass fiber.
  • heating element shown in FIGS. 3 a to 3 c are in the form of an elongate tube and can be hollow to receive electrical circuitry or substrate, it is appreciable that other shapes and sizes may be contemplated to receive aerosol generating substrate of different shapes and sizes.
  • a controller for use with a heating device, such as a heating device 200 as described in FIGS. 2 a to 2 k .
  • the controller may include sensors for sensing a temperature and/or pressure of the heating element of the heating device.
  • the heating device may include one or more of the sensors.
  • the pressure sensor may be configured for sensing a pressure corresponding to a suction force exerted on a mouthpiece of the heating device.
  • the suction force may in turn correspond with a user consuming the aerosol via his/her mouth (i.e. ‘taking a puff’).
  • an electrical circuit may be arranged to directly send electrical current to the heating element or to induce electrical current flowing through the heating element.
  • the controller may be arranged to raise the temperature from room temperature to achieve a first resting temperature and a first operating temperature, wherein the first operating temperature is associated with the suction force detected by the pressure sensor.
  • FIGS. 4 a to 4 e show five heating profiles corresponding various resting temperatures and operating temperatures.
  • FIG. 4 a shows the controller programmed to provide a first heating profile.
  • the first heating profile comprises the first resting temperature at between 200 degrees Celsius (° C.) and 400° C., and the first operating temperature above 200° C. and up to 400° C.
  • the heating element is heated from room/ambient temperature to the first resting temperature.
  • the controller operates to heat the heating element to an operating temperature of up to 400° C.
  • the suction force is no longer applied, the temperature of the heating element falls back to the first resting temperature. This process repeats itself until reset or the aerosol generating substrate is consumed.
  • the first resting temperature may be in a range from 300° ° C. to 350° C.
  • FIG. 4 b shows the controller programmed to provide a second heating profile.
  • the second heating profile comprises the first resting temperature at a temperature range of 250° C. to 400° C., and the first operating temperature lower than the first resting temperature and at a temperature in a range of 200° ° C. to 350° C., and a second resting temperature above the first operating temperature, the second resting temperature below the first resting temperature.
  • the heating element is heated from room/ambient temperature to the first resting temperature.
  • the controller operates to cool the heating element to an operating temperature of around 200° C.
  • the suction force is no longer applied, the temperature of the heating element rises to the first resting temperature.
  • the temperature of the heating element is maintained at a second resting temperature regardless of whether subsequent suction force is detected by the pressure sensor.
  • the predetermined number of ‘puffs’ may be three puffs, and the second resting temperature may be a temperature below the first resting temperature but higher than the first operating temperature.
  • FIG. 4 c shows the controller programmed to provide a third heating profile.
  • the third heating profile comprises the first resting temperature at a range from 200 degrees Celsius (° C.) to 400° C., a second resting temperature below the first resting temperature at above 200° C., the first operating temperature less than the first resting temperature and at least 200° C., and a second operating temperature above the second resting temperature up to 400° C.
  • the heating element is heated from room/ambient temperature to the first resting temperature.
  • the controller operates to cool the heating element to an operating temperature of around 200° C.
  • the suction force is no longer applied, the temperature of the heating element rises to the first resting temperature.
  • the temperature of the heating element drops to the second resting temperature.
  • the controller operates to heat the heating element to an operating temperature of up to 400° C., and the second resting temperature is at a temperature below the first resting temperature but higher than the first operating temperature.
  • the third heating profile may be regarded as a combination of the second heating profile and the first heating profile.
  • FIG. 4 d shows the controller programmed to provide a fourth heating profile.
  • the fourth heating profile may comprise the first resting temperature at a range from 200 degrees Celsius (° C.) to 400° ° C., the first operating temperature above the first resting temperature and up to 400° C., and a second operating temperature above 200° C. and below the first resting temperature.
  • the heating element is heated from room/ambient temperature to the first resting temperature.
  • the controller operates to increase the heating element to an operating temperature of around 400° C.
  • the suction force is no longer applied, the temperature of the heating element drops to the first resting temperature.
  • a predetermined number of ‘puffs’ e.g.
  • the fourth heating profile may be regarded as a combination of the first heating profile and the second heating profile.
  • FIG. 4 e shows the controller programmed to provide a fifth heating profile.
  • the fifth heating profile may comprise the first resting temperature at a range from 200 degrees Celsius (° C.) to 400° C., and a first operating temperature above the first resting temperature and up to 400° C.
  • the heating element is heated from room/ambient temperature to the first resting temperature.
  • the controller operates to increase the heating element to an operating temperature of around 400° C.
  • the suction force is no longer applied, the temperature of the heating element is maintained at the operating temperature.
  • the controller may control the heating profiles of the heating element by logical instructions or software programs pre-loaded into the controller.
  • the controller may control the heating profiles of the heating element dynamically based on input and feedback from the temperature sensors and pressure sensors placed in the heating device (e.g. device 200 ) to track the actual temperature and pressure of the aerosol.
  • FIG. 5 a shows a filter unit 500 suited for use with the heating device described in the previous embodiments.
  • the filter unit 500 comprises a core layer 502 , an outer layer 504 and an intermediate layer 506 sandwiched between the core layer 502 and the outer layer 504 .
  • the core layer 502 and outer layer 504 are formed from or of materials comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the intermediate layer 506 may comprise a single layer with paper or a multi-layered structure including materials such as metal (including aluminum copper, in foil/sheet form or otherwise), alloy, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA and BOPP), polymer, fiber (including natural fiber) and ceramic.
  • the filter unit 500 may be shaped and dimensioned as a rod. It is appreciable that the various layers may be arranged coaxially with respect to each other.
  • FIG. 5 b shows a variant of FIG. 5 a having the core layer 502 partially hollow, defining a hollow portion 510 .
  • the intermediate layer 512 may or may not extend to the hollow portion 510 .
  • FIG. 5 c illustrate another variant of FIG. 5 a wherein the core layer 502 is partially hollow, defining a hollow portion 510 .
  • the embodiment shown in FIG. 5 c does not have the intermediate layer 512 .
  • FIGS. 6 relate to a substrate holder 600 , also referred to as a jig, for use one or more of the heating devices 200 , in particular the embodiment shown in FIG. 2 a.
  • the substrate holder 600 may be configured to hold different one or more single-segment aerosol generating product including as shown in FIGS. 1 a to 1 k , one or more two-segment aerosol generating product including as shown in FIGS. 7 a to 7 l , one or more three-segment aerosol generating product including as shown in FIGS. 8 a to 8 n , and/or one or more filter segments including as shown in FIGS. 5 a , 5 b and 5 c .
  • the substrate holder 600 comprises a mouthpiece 602 , an elongate structure 604 comprising a plurality of compartments 606 , and an end portion 608 arranged distally with respect to the mouthpiece 602 .
  • FIG. 6 a shows a substrate holder 600 having a first compartment 610 positioned proximate the distal end portion 608 and one or more second compartments 612 adjacent the mouthpiece 602 .
  • the first compartment 610 is shaped and dimensioned to receive a single-segment aerosol generating product including as shown in any one of FIGS. 1 a to 1 k , two-segment aerosol generating product including as shown in FIGS. 7 a to 7 l , or three-segment aerosol generating product including as shown in FIGS. 8 a to 8 n .
  • the first compartment 610 may be coated or installed with one or more heat conductors 614 .
  • the one or more heat conductors 614 may be shaped and dimensioned to be inserted into the first compartment 610 without hindering the first compartment 610 ability to receive the single-segment aerosol generating product.
  • the one or more second compartments 612 are shaped and dimensioned to receive a filter unit including as shown in FIGS. 5 a , 5 b and 5 c and/or a heat dissipation tube 618 .
  • the heat dissipation tube 618 may be an aluminum tube. Where there are a plurality of second compartments 612 and the heat dissipation tube 618 is placed in one compartment of the plurality of second compartments 612 , the filter unit will have to be placed in another compartment of the plurality of second compartments 612 .
  • the third compartment(s) 616 function as a connecting portion between the first compartment 610 and the second compartment 612 , and may typically be formed of or from less material compared to the first compartment 610 and the second compartment(s) 612 , as the third compartment 616 does not receive any aerosol generating product(s) or filter unit(s).
  • the less material associated with the third compartment 616 advantageously reduce heat transfer to the second compartment(s) 612 .
  • FIG. 6 a there comprise one first compartment 610 , two second compartments 612 , and one third compartment 616 .
  • FIG. 6 b shows another embodiment of the jig with one first component 610 and three second compartments 612 . There is no third compartment 616 in the embodiment of FIG. 6 b . At least one of the three second compartments 612 function as the connector between the first compartment 610 and the other second compartment 612 .
  • second compartments 612 there can be four or more second compartments 612 .
  • one or more second compartments 612 can be enclosed or covered.
  • the covered or enclosed second compartments 612 can contain the aluminum tube 618 .
  • FIGS. 6 c to 6 f show various embodiments of the jig 600 wherein there are different configurations/positioning of an aluminum tube 618 or other heat conductive metal or metal alloy, the aerosol generating substrate, and the filter unit.
  • FIGS. 7 show various embodiments of a two-segment aerosol generating product 700 .
  • the product 700 can incorporate any one of the single-segment products depicted in FIGS. 1 a to 1 k , and/or any one of the filter unit depicted in FIG. 5 a , FIG. 5 b and FIG. 5 c.
  • FIGS. 7 a (i) and 7 a (ii) show an embodiment of a two-segment aerosol generating product 700 with an aerosol generating segment (first segment) 702 and an integrated support filter segment (second segment) 704 .
  • the second segment 704 comprises a core acetate tow portion 706 and an acetate hollow portion 710 having a central hollow portion defining a channel 712 , the channel positioned 712 leading from an end of the aerosol generating segment 702 to an air space 714 .
  • An air space 714 may be positioned between the acetate tow layer 710 and the core acetate tow portion 706 .
  • An intermediate layer 716 comprises a first inner layer 718 layered on the core acetate tow portion 706 , and a second inner layer 720 layered on the first inner layer 718 and the acetate tow layer 710 .
  • the second inner layer 720 extends longitudinally across the entire second segment 704 .
  • Each of the first inner layer 718 and/or the second inner layer 720 comprises at least one of paper (including coated paper), metal, alloy, reconstituted tobacco sheet, plastic (including PLA and BOPP), polymer and ceramic, etc. is overlay on the core acetate tow layer 706 .
  • intermediate layer 716 may be at least one outer layer 722 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the outer layer 722 spans the entire second segment 704 .
  • the entire two-segment aerosol generating product 700 may be wrapped by an outer cover 724 .
  • the outer cover 724 may be a layer of paper (including coated paper).
  • At least one airflow inlet 726 may be formed on the outer cover in a manner such as to allow air flow through the outer layer 722 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the embodiment shown in FIG. 7 a (ii) shows the airflow inlet 726 extending to the air space 714 in a manner such as to allow air flow through the core acetate tow portion 706 .
  • FIG. 7 b (i) is similar to the embodiment of FIG. 7 a (i), except that the air space 714 is filled with or replaced by a tobacco or charcoal part 728 , and the channel 712 may comprises two or more different parts.
  • the embodiment shown in FIG. 7 b (ii) is similar to the embodiment of FIG. 7 a (ii), except that the air space 714 is filled with or replaced by a tobacco or charcoal part 728 , and the channel 712 may comprises two or more different parts.
  • FIGS. 7 c (i) and 7 c (ii) illustrate embodiments wherein the air space 714 is replaced with or lined with a tube 730 .
  • the tube 730 may be formed of or from one or more of the following metal or metallic alloy, such as but not limited to copper, aluminium, silver, nickel, tin, and/or alloys of the same.
  • the tube 730 may be a hollow or partially hollow tube with different profiles such as cross, star, circle, mesh, forming, multiple circles etc.
  • the tube may be wrapped with paper or reconstituted tobacco sheets.
  • At least one airflow inlet 726 may be formed on the outer cover in a manner such as to allow air flow through the outer layer 722 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the embodiment shown in FIG. 7 c (ii) shows the airflow inlet 726 extending to the tube 730 in a manner such as to allow air flow through the core acetate tow portion 706 .
  • FIG. 7 d (i) is similar to the embodiment of FIG. 7 c (i), except that the channel 712 is partially filled with a tobacco or charcoal part 732 .
  • the embodiment shown in FIG. 7 d (ii) is similar to the embodiment of FIG. 7 c (ii), except that the channel 712 is partially filled with a tobacco or charcoal part 732 .
  • FIGS. 7 e (i) and 7 e (ii) illustrate embodiments wherein the tube 730 extends or spans a length of the entire second segment, and forms an inner layer sandwiched between the acetate tow layer 710 and outer layer 722 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the tube 730 may be formed of or from one or more of the following metal or metallic alloy, such as but not limited to copper, aluminium, silver, nickel, tin, and/or alloys of the same.
  • the tube 730 may be a hollow or partially hollow tube with different profiles such as cross, star, circle, mesh, forming, multiple circles etc.
  • At least one airflow inlet 726 may be formed on the outer cover in a manner such as to allow air flow through the outer layer 722 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the embodiment shown in FIG. 7 e (ii) shows the airflow inlet 726 extending to the tube 730 in a manner such as to allow air flow through the core acetate tow portion 706 .
  • FIG. 7 f (i) is similar to the embodiment of FIG. 7 e (i), except that the channel 712 is partially filled with a tobacco or charcoal part 732 .
  • the embodiment shown in FIG. 7 f (ii) is similar to the embodiment of FIG. 7 e (ii), except that the channel 712 is partially filled with a tobacco or charcoal part 732 .
  • FIGS. 7 g (i) and 7 g (ii) illustrate embodiments wherein instead of the metal or metallic alloy tube 730 , an inner wrapping material 734 is formed from or of one or more metallic layers (e.g. copper, aluminium, nickel, tin or silver) and/or at least one of a reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA and BOPP), polymer ceramic, etc.
  • metallic layers e.g. copper, aluminium, nickel, tin or silver
  • At least one airflow inlet 726 may be formed on the outer cover in a manner such as to allow air flow through the outer layer 722 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the embodiment shown in FIG. 7 g (ii) shows the airflow inlet 726 extending to the inner wrapping material 734 in a manner such as to allow air flow through the core acetate tow portion 706 .
  • FIG. 7 h (i) is similar to the embodiment of FIG. 7 g (i), except that the channel 712 is partially filled with a tobacco or charcoal part 732 .
  • the embodiment shown in FIG. 7 h (ii) is similar to the embodiment of FIG. 7 g (ii), except that the channel 712 is partially filled with a tobacco or charcoal part 732 .
  • FIGS. 7 i (i), 7 i (ii) show embodiments similar to FIGS. 7 g (i) and 7 g (ii) respectively, wherein in addition to the inner wrapping material 734 , there comprises an additional acetate tow layer 736 with or without metal.
  • the material can include at least one of fiber, strips, sheet, chips, powder or granules.
  • FIGS. 7 j (i) and 7 j (ii) show embodiments similar to FIGS. 7 h (i) and 7 h (ii) respectively, with the additional acetate tow layer 736 .
  • FIGS. 7 k (i) and 7 k (ii) shows embodiments similar to FIGS. 7 g (i) and 7 g (ii) respectively, with an extended air space 714 and a shortened acetate tow portion 706 .
  • the metal tube 730 includes at least one of the following metal copper, aluminum, nickel, tin or silver in various surface configuration including straight, twisting, embossing, crimping forming to shape or alloy or paper or multi-layer including with metal such as aluminum or copper foil, alloy, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA and BOPP), polymer, ceramic, etc.
  • FIGS. 7 l (i) and 7 l (ii) are similar to FIGS. 7 k (i) and 7 k (ii), except that the metal tube 730 is extended to line part of the channel 712 .
  • FIGS. 7 m (i) and 7 m (ii) are similar to FIGS. 7 c (i) and 7 c (ii), except that the metal tube 730 is extended to line part of the channel 712 and the core acetate tow portion 706 .
  • FIGS. 8 show various embodiments of a three-segment aerosol generating product 800 .
  • the product 800 can incorporate any one of the single-segment aerosol generating products including those depicted in FIGS. 1 a to 1 k , and/or any one of the filter unit including those depicted in FIGS. 5 a to 5 c.
  • FIGS. 8 a (i) and 8 a (ii) show an embodiment of a three-segment aerosol generating product 800 with an aerosol generating segment (first segment) 802 , a filter segment (second segment) 804 , and a support segment 808 (third segment).
  • the second segment 804 comprises a core acetate tow portion 806 positioned at an opposite end from the first segment 802 .
  • the support segment 808 may be a support portion positioned between the first segment 802 and the core acetate tow portion 806 .
  • the support portion 808 comprises an acetate tow layer 810 having a central hollow portion defining a channel 812 .
  • An air space 814 may be positioned between the acetate tow layer 810 and the core acetate tow portion 806 .
  • An intermediate layer 816 comprises a first inner layer 818 layered on the core acetate tow portion 806 , and a second inner layer 820 layered on the first inner layer 818 and the empty space 814 .
  • the second inner layer 820 extends longitudinally across the entire second segment 804 .
  • Each of the first inner layer 818 and/or the second inner layer 820 comprises at least one of paper (including coated paper), metal, alloy, reconstituted tobacco sheet, plastic (including PLA and BOPP), polymer, ceramic, etc., is overlay on the core acetate tow layer 806 .
  • intermediate layer 816 may be at least one outer layer of 822 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the outer layer 822 spans the entire second segment 804 .
  • the entire three-segment aerosol generating product 800 may be wrapped by an outer cover 824 .
  • the outer cover 824 may be a layer of paper (including coated paper).
  • At least one airflow inlet 826 may be formed on the outer cover in a manner such as to allow air flow through the outer layer 822 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the embodiment shown in FIG. 8 a (ii) shows the airflow inlet 826 extending to the air space 814 in a manner such as to allow air flow through the core acetate tow portion 806 .
  • FIG. 8 b (i) is similar to the embodiment of FIG. 8 a (i), except that the air space 814 is filled with or replaced by a tobacco or charcoal part 828 .
  • the embodiment shown in FIG. 8 b (ii) is similar to the embodiment of FIG. 8 a (ii), except that the air space 814 is filled with or replaced by the tobacco or charcoal part 828 .
  • FIGS. 8 c (i) and 8 c (ii) illustrate embodiments wherein the air space 814 is replaced with or lined with a tube 830 .
  • the tube 830 may be formed of or from one or more of the following metal or metallic alloy, such as but not limited to copper, aluminium, silver, nickel, tin, and/or alloys of the same.
  • the tube 830 may be a hollow or partially hollow tube with different profiles such as cross, star, circle, mesh, forming, multiple circles etc.
  • the tube may be wrapped with paper (including coated paper) or reconstituted tobacco sheets.
  • At least one airflow inlet 826 may be formed on the outer cover in a manner such as to allow air flow through the outer layer 822 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the embodiment shown in FIG. 8 c (ii) shows the airflow inlet 826 extending to the tube 830 in a manner such as to allow air flow through the core acetate tow portion 806 .
  • FIG. 8 d (i) is similar to the embodiment of FIG. 8 c (i), except that the space 814 is partially or wholly filled with a tobacco or charcoal part 832 .
  • the embodiment shown in FIG. 8 d (ii) is similar to the embodiment of FIG. 8 c (ii), except that the space 814 is partially or wholly filled with a tobacco or charcoal part 832 .
  • FIGS. 8 e (i) and 8 e (ii) illustrate embodiments wherein the tube 830 extends or spans a length of the entire second segment, and forms an inner wrapping layer sandwiched between the acetate tow layer 810 and outer layer 822 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the tube 830 may be formed of or from one or more of the following metal or metallic alloy, such as but not limited to copper, aluminium, silver, nickel, tin, and/or alloys of the same.
  • the tube 830 may be a hollow or partially hollow tube with different profiles such as cross, star, circle, mesh, forming, multiple circles etc.
  • At least one airflow inlet 826 may be formed on the outer cover in a manner such as to allow air flow through the outer layer 822 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the embodiment shown in FIG. 8 e (ii) shows the airflow inlet 826 extending to the tube 830 in a manner such as to allow air flow through the core acetate tow portion 806 via the air space 814 .
  • FIG. 8 f (i) is similar to the embodiment of FIG. 8 e (i), except that the air space 814 is partially or wholly filled with a tobacco or charcoal part 832 .
  • the embodiment shown in FIG. 8 f (ii) is similar to the embodiment of FIG. 8 e (ii), except that the air space 814 is partially or wholly filled with a tobacco or charcoal part 832 .
  • FIGS. 8 g (i) and 8 g (ii) illustrate embodiments wherein an inner wrapping material 834 formed from or of one or more metallic layers (e.g. copper, aluminium, nickel, tin or silver) and/or at least one of a reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA and BOPP), polymer, ceramic, etc., may be layered on an inner circumference of the acetate tow layer 810 which defines the channel 812 .
  • metallic layers e.g. copper, aluminium, nickel, tin or silver
  • At least one airflow inlet 826 may be formed on the outer cover in a manner such as to allow air flow through the outer layer 822 comprising acetate tow, fiber (including synthetic and natural fiber), cotton, fabric, mesh and/or paper (including coated paper).
  • the embodiment shown in FIG. 8 g (ii) shows the airflow inlet 826 extending to the inner wrapping material in a manner such as to allow air flow through the core acetate tow portion 806 .
  • FIG. 8 h (i) is similar to the embodiment of FIG. 8 g (i), except that the channel 812 is partially filled with a tobacco or charcoal part 832 .
  • the embodiment shown in FIG. 8 h (ii) is similar to the embodiment of FIG. 8 g (ii), except that the channel 812 is partially filled with a tobacco or charcoal part 832 .
  • FIGS. 8 i (i) and 8 i (ii) show similar embodiments as FIGS. 8 g (i) and 8 g (ii) respectively, the acetate tow layer 810 includes acetate tow with or without metal, and wherein the material includes at least one of fiber, strips, sheet, chips, powder or granules.
  • FIGS. 8 j (i) and 8 j (ii) show similar embodiments as FIGS. 8 h (i) and 8 h (ii) respectively, the acetate tow layer 810 includes acetate tow with or without metal, and wherein the material includes at least one of fiber, strips, sheet, chips, powder or granules.
  • FIGS. 8 k (i) and 8 k (ii) shows embodiments similar to FIGS. 8 c (i) and 8 c (ii) respectively, with an extended air space 814 and a shortened acetate tow portion 806 .
  • the metal tube 830 includes at least one of the following metal copper, aluminum, nickel, tin or silver in various surface configuration including straight, twisting, embossing, crimping forming to shape or alloy with paper (including coated paper) or multi-layer including with metal such as aluminum or copper foil, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA and bOPP), polymer, ceramic, etc.
  • FIGS. 8 l (i) and 8 l (ii) are similar to FIGS. 8 k (i) and 8 k (ii), except that the metal tube 830 is extended to line part of the channel 812 .
  • FIGS. 8 m (i) and 8 m (ii) show the metal tube 830 extending transversely across one end of the air space 814 to form a cup shape.
  • FIGS. 8 n (i) and 8 n (ii) show the metal tube 830 extending transversely across another end of the air space 814 to form a cup shape.
  • FIGS. 8 n (i) and 8 n (ii) are similar to FIGS. 8 c (i) and 8 c (ii), except that the metal tube 830 is extended to line part of the channel 812 and the core acetate tow portion ( 806 ).
  • the tube material associated with the aerosol generating product can be metal (including copper, aluminum, silver, nickel or tin) or alloy, in hollow tube with different shapes i.e. cross, star, hollow circle, mesh/netting, and formed via multiple circle, twisting, crimping, forming, embossing profile wrapped with paper or multi-layer, including with metal (including copper, aluminum foil), alloy, reconstituted tobacco sheet, paper (coated paper), plastic (including PLA and BOPP), polymer, ceramic, etc.
  • the cross-section of a tube material may be shaped as a circle embossing, circle flat, circle cross, spiral, metal foil spiral straw, metal foil twisting hollow, metal rope hollow, metal cup, shape hollow, etc (see FIG. 9 ). It is appreciable that the tube material may be formed as an intermediate layer to minimize absorption of flavours by filter materials such as acetate tow, and yet providing heat dissipation.
  • the metal/alloy tube constituting the inner wrapping in the filter can be shaped and dimensioned as a metal/alloy cup.
  • the metal/alloy tube and cup constituting the inner wrapping in the filter can have additional profiles of twisted, embossed, crimped, roped, piped, spiraled and other forms to shape.
  • the materials of the metal/alloy tube and cup can be metal, aluminum foil, aluminum alloy, metal alloy, etc.
  • the metal/alloy tube and cup can be made by embossing, crimping, compressed extrusion, forming, die casting, extrusion, flow wrapping and any other methods of manufacture of the metal/alloy tube and cup.
  • the heating device can include a metal cup structure (such as the cylinder or cup structure 207 ) to hold the aerosol generating product. It is also contemplated that one or more ventilation device(s), e.g. a fan can be added into the device to provide cooling.
  • a metal cup structure such as the cylinder or cup structure 207
  • ventilation device(s) e.g. a fan
  • the at least a layer of the single segment and/or multi-segment aerosol generating product may comprise two surface, with an outer surface coated with paper and an inner surface coated with metal (including copper, aluminium, silver, nickel, or tin), or metallic alloy foil laminate, reconstituted tobacco sheet, paper (including coated paper), plastic (including PLA and BOPP), polymer, ceramic, etc.), before being formed onto a desired shape, such as tubular shape.
  • metal including copper, aluminium, silver, nickel, or tin
  • metallic alloy foil laminate metallic alloy foil laminate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Resistance Heating (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Spray-Type Burners (AREA)
US18/552,150 2021-03-26 2022-03-25 Heating device, heating element and aerosol generating product Pending US20240164450A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21165276.3 2021-03-26
EP21165276.3A EP4062780A1 (en) 2021-03-26 2021-03-26 Jig for use with a heating device suitable for heating an aerosol generating substrate
PCT/SG2022/050164 WO2022203609A1 (en) 2021-03-26 2022-03-25 Heating device, heating element and aerosol generating product

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US20240164450A1 true US20240164450A1 (en) 2024-05-23

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EP (2) EP4062780A1 (https=)
JP (1) JP2024510543A (https=)
KR (1) KR20230161944A (https=)
CN (1) CN116744809A (https=)
BR (1) BR112023019632A2 (https=)
CA (1) CA3204895A1 (https=)
CO (1) CO2023013092A2 (https=)
MA (1) MA71667A (https=)
MX (1) MX2023011314A (https=)
TW (2) TWI835097B (https=)
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ZA (1) ZA202308321B (https=)

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AR091509A1 (es) * 2012-06-21 2015-02-11 Philip Morris Products Sa Articulo para fumar para ser usado con un elemento de calentamiento interno
TW201703660A (zh) * 2015-06-23 2017-02-01 菲利浦莫里斯製品股份有限公司 氣溶膠產生物件及製造氣溶膠產生物件之方法
KR102593693B1 (ko) * 2016-05-25 2023-10-26 필립모리스 프로덕츠 에스.에이. 에어로졸 발생 장치를 제공하기 위한 방법, 에어로졸 발생 장치, 및 이러한 장치에 사용하기 위한 납작한 에어로졸 발생 물품
JP7080888B2 (ja) * 2016-12-19 2022-06-06 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 側面開口部を備えるカートリッジを有するエアロゾル発生システム
CN110167367B (zh) * 2017-01-31 2023-03-14 菲利普莫里斯生产公司 气溶胶生成装置
TW201902372A (zh) * 2017-05-31 2019-01-16 瑞士商菲利浦莫里斯製品股份有限公司 氣溶膠產生裝置之加熱構件
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WO2026003111A1 (en) * 2024-06-25 2026-01-02 Philip Morris Products S.A. Aerosol-forming article and aerosol-forming device

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EP4312611A1 (en) 2024-02-07
EP4062780A1 (en) 2022-09-28
CN116744809A (zh) 2023-09-12
EP4312611A4 (en) 2025-06-11
TW202300036A (zh) 2023-01-01
MX2023011314A (es) 2023-10-03
TWI835097B (zh) 2024-03-11
TWI891246B (zh) 2025-07-21
CA3204895A1 (en) 2022-09-29
KR20230161944A (ko) 2023-11-28
MA71667A (fr) 2025-05-30
JP2024510543A (ja) 2024-03-08
BR112023019632A2 (pt) 2023-11-14
ZA202308321B (en) 2024-05-30
CO2023013092A2 (es) 2023-10-09
WO2022203609A1 (en) 2022-09-29
TW202421019A (zh) 2024-06-01

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