EP4309525A1 - Verbrauchspatrone, aerosolerzeugende vorrichtung und verfahren zur herstellung der verbrauchspatrone - Google Patents

Verbrauchspatrone, aerosolerzeugende vorrichtung und verfahren zur herstellung der verbrauchspatrone Download PDF

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Publication number
EP4309525A1
EP4309525A1 EP22185923.4A EP22185923A EP4309525A1 EP 4309525 A1 EP4309525 A1 EP 4309525A1 EP 22185923 A EP22185923 A EP 22185923A EP 4309525 A1 EP4309525 A1 EP 4309525A1
Authority
EP
European Patent Office
Prior art keywords
layer
heat generating
substrate
substrate layer
aerosol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22185923.4A
Other languages
English (en)
French (fr)
Inventor
Yong Seang KIEW
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YSQ International Pte Ltd
Original Assignee
YSQ International Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YSQ International Pte Ltd filed Critical YSQ International Pte Ltd
Priority to EP22185923.4A priority Critical patent/EP4309525A1/de
Publication of EP4309525A1 publication Critical patent/EP4309525A1/de
Pending legal-status Critical Current

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Classifications

    • 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
    • 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

Definitions

  • the present disclosure relates to a consumable cartridge, an aerosol-generating device for use with the consumable cartridge, and a method of manufacturing the consumable cartridge.
  • Handheld or portable electrically heated aerosol-generating devices which operate by heating an aerosol-generating substrate, also referred to as a consumable cartridge, are known in the art.
  • Heat generating elements typically incorporates one or more heat generating element(s) or heating assembly for heating the aerosol-generating substrate.
  • heat generating elements are not easily removable and may pose problems in maintenance or replacement.
  • the positioning of such heat generating elements within the aerosol-generating devices are typically unable to achieve consistent heating of consumable cartridges.
  • Some heat generating elements comprises a piercing surface to pierce the consumable cartridge so as to receive the same.
  • the piercing surface may inadvertently cause damage to the consumable cartridge or result in wastage of aerosol generating materials which is displaced during the piercing.
  • a consumable cartridge as defined in claims 1 to 8.
  • an aerosol generating device as defined in claims 9 to 12.
  • a method of manufacturing the consumable cartridge as defined in claims 13 to 15.
  • kits comprising at least one consumable cartridge and an aerosol generating device.
  • 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 an element.
  • 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.
  • a consumable cartridge 100 for use with an electrically heated aerosol-generating device, the cartridge comprising at least one heat generating layer 102 extending along a longitudinal axis of the consumable cartridge, the heat generating layer 102 comprises an electrical conductor dimensioned to contact at least two electrical terminals of the electrically heated aerosol-generating device to allow electricity to flow therethrough; a first substrate layer 106 positioned on the heat generating layer 102 and/or surrounded by the heat generating layer 102; an aerosol generating substrate 108 dispersed on the heat generating layer 102, the first substrate layer 106, and/or formed as a separate layer disposed between the heat generating layer 102 and the first substrate layer 106; wherein the heat generating layer 102 comprises a plurality of insulating portions 104 configured the increase the electrical resistance of the heat generating layer 102 and generate heat to produce aerosol from the aerosol generating substrate 108 when electricity is flowing therethrough.
  • FIG. 1A and FIG. 1B illustrate a consumable cartridge 100 in the form of a three-layered elongate tube comprising the heat generating layer 102 configured as a central core layer.
  • the heat generating layer 102 may comprise an electrical conductor.
  • the electrical conductor may include nickel, nichrome, Iron Chrome Aluminum (FeCrAI) alloy, stainless steel, titanium, aluminium, copper, combination(s) of the aforementioned.
  • Other suitable electrically conductive material for use with human consumable products may be contemplated.
  • the first substrate layer 106 may be configured as a single layer or multi-layer.
  • the single or multi-layer may be formed from or of at least one of the following materials: paper, metal (such as aluminium, copper, aluminium foil), metallic alloy, reconstituted tobacco, coated paper, cellulose fibre including natural and synthetic fibre.
  • the intermediate layer 110 may be formed from or of at least one of the following materials: acetate tow, cellulose fiber including synthetic andintensive fibre, cotton, fabric, yarn, mesh, metal fibre, reconstitute tobacco sheet, cut rag, powder/granule, and/or paper.
  • the aerosol generating substrate 108 may be integrated as part of the intermediate layer 110 (for example as tobacco-related materials as mentioned) and/or may be sprayed or coated onto at least one of the first substrate 106, the second substrate 110, and/or the heat generating layer 102.
  • Non-limiting examples of the aerosol generating substrate 108 includes nicotine, propylene glycol (PG) and vegetable glycerin (VG). It is contemplated that the aerosol generating substrate 108 may be applied to the substrates/layers via known means such as coating, spraying, embedding, dipping.
  • the plurality of insulating portions 104 may comprise a plurality of perforations or holes formed on the heat generating layer 102. Such insulating portions 104 are incorporated to increase the overall electrical resistivity of the electrical conductor so as to facilitate the generation of heat when an electrical current is passed therethrough.
  • the plurality of perforations may optionally comprise at least one of the following shapes: round, elliptical, square, polygonal, or combinations of one of the aforementioned.
  • the heat generating layer 102 can be formed by a flat sheet rolled into a cylindrical shape, with open or overlapping ends, or it can be a tube with perforated holes.
  • FIG. 3A and FIG. 3B show another embodiment of the consumable cartridge 100 comprising three-layers, that is, a heat generating layer 102, an intermediate layer (second substrate layer) 110, and an outer layer (first substrate layer) 106.
  • at least one surface such as the inner surface and the edges of the perforated holes 104 of the heat generating layer 102, may be applied with aerosol generating substrate 108 such as nicotine, PG, VG or other aerosol generating substance by means of spraying, coating, dipping or any other means as known to a skilled person.
  • the intermediate layer 110 may be arranged to wrap or surround the heat generating layer 102.
  • the intermediate layer 110 may comprise one or more layers of paper.
  • the surfaces of the paper may be applied with aerosol generating substrate 108 such as nicotine, PG, VG or other aerosol generating substance by means of spraying, coating, dipping or any other means as known to a skilled person.
  • the outer layer 106 may be applied over the intermediate layer 110.
  • the outer layer may be at least one layer, the at least one layer includes material such as metal, reconstituted tobacco sheet, paper (including coated paper, cellulose fiber (including natural and synthetic).
  • the metal may include aluminium, copper, and/or other metallic alloy in foil/sheet form.
  • At least one of the first substrate 106 and the second substrate 110 may be crimpled as shown in FIG. 4 .
  • the crimpling may be performed along a longitudinal axis of the consumable cartridge 100 as shown, or may be along a transverse axis (not shown).
  • the consumable cartridge 100 may comprise multiple layers of heat generating layer 102.
  • the heat generating layer 102 may arranged in one of the following configurations: (i) on the first substrate 106 and/or the second substrate 110, (ii) wrapped or surrounded by the first substrate 106 and/or the second substrate 110, or (iii) sandwiched between the first substrate 106 and the second substrate 110.
  • an electrically heated aerosol-generating device 200 for use with a consumable aerosol-generating cartridge 100.
  • the heat aerosol-generating device 200 does not incorporate heat generating elements such as resistive wires or elongate piercing members.
  • the electrically heated aerosol-generating device 200 comprises a housing 202 having a cavity 204 for receiving the consumable cartridge 100, the cavity 204 comprises a base 206 supporting a first electrical contact 208 for contacting an end of the heat generating portion 102 of the cartridge 100; a mouthpiece 210 comprising a passageway for aerosol to flow therethrough and a second electrical contact 212 for contacting an opposite end of the heat generating portion 102 of the cartridge 100; wherein the second electrical contact 212 is positioned diametrically opposite the first electrical contact 206 when in use.
  • the housing 202 may have an elongate structure and defines the cavity 204, the cavity 204 shaped and dimensioned to receive the consumable cartridge 100 as described.
  • the base 206 may be arranged as a separator disposed between the cavity 204 and a compartment 216 housing one or more batteries and control electronics.
  • the base 206 may be an electrical insulator.
  • the second electrical contact 212 is separated from the first electrical contact 208 via the cavity 204.
  • the mouthpiece 210 may include a passageway or outlet for generated aerosol to flow therethrough.
  • the mouthpiece portion 210 is removably attached to the housing 202 and may be connected or attached to the housing 202 via screw fitting, hinged connection, snap fitting or other connectors as known to a skilled person.
  • the device 200 does not include an elongate piercing member for receiving/piercing the aerosol generating substrate or comprises electric heater(s) within the device 200. Electrical current therefore does not flow through the device 200 without the presence of the consumable cartridge 100.
  • the second electrical contact 212 may be connected to one or more electrical contacts 220 disposed around a circumference of the mouthpiece 210.
  • the electrical contact(s) 220 can in turn be connected to an electrically conductive casing 214 disposed around the perimeter of the housing 202, the conductive casing 214 which will then be connected to a terminal, example, a negative terminal of the battery.
  • the electrically conductive casing 214 may be formed of or from metallic materials.
  • the first electrical contact 208 is electrically isolated from the electrically conductive casing 214 such that no electrical current will flow between the first electrical contact 208 and the second electrical contact 212 when the consumable cartridge 100 is not present within the device (open circuit).
  • the mouthpiece 210 includes a plurality of air seals shaped and dimensioned as flanges along the periphery of a contact area between the mouthpiece 210 and the housing 202.
  • FIG. 6B shows the device 200 in operation when a consumable cartridge 100 is inserted within the cavity 204.
  • the first and second electrical contacts 208, 212 are shaped and dimensioned to urge against an internal surface of the heat generating layer 102 so as to hold the consumable cartridge 100 in position as well as to conduct electricity therethrough.
  • a switch (not shown) is turned on, electricity can flow through the heat generating layer 102 and the electrical resistance of the heat generating layer 102 and the electricity flowing through the heat generating layer 102 produces heat to vaporize the aerosol generating substrate 108.
  • FIG. 7A shows an embodiment of an apparatus 300 for manufacturing a consumable cartridge 100.
  • the machine may be used to implement a method 400 as shown in FIG. 8 for manufacturing a consumable cartridge 100 comprising a heat generating layer and at least one of a first substrate layer and a second substrate layer, the method comprising the steps of: a. providing a heat generating layer 102 and a plurality of insulating portions 104 on the heat generating layer 102 configured to increase the electrical resistance of the heat generating layer 102 (step 402); b. providing a second substrate layer 110 disposed between the first substrate layer 106 and the heat generating layer 102 (step 404); and/or providing a first substrate layer 106 wrapping the heat generating layer 102 or wrapping the second substrate layer 110 (step 406).
  • the apparatus 300 may comprise a transport jet 302 for facilitating the movement, dispensation, and formation of the consumable cartridge 100, a first bobbin 304 for feeding raw material associated with the heat generating layer 102, a second bobbin 306 for feeding the first substrate layer 106.
  • the second substrate 110 may be layered onto the heat generating layer 102 before the first substrate layer 106 is layered.
  • the apparatus may further comprise a sprayer 308 for coating aerosol generating material onto the intermediate layer 110 to enhance the aerosol generating effect before the first substrate layer 106 is layered.
  • a cutter 310 may be positioned downstream the after the first substrate layer 106 is layered to cut the consumable cartridge into desired shape.
  • FIG. 7B shows another embodiment of the apparatus 300, wherein the intermediate layer 110 is dispensed from a third bobbin 312 and crimped by means of a crimping mechanism 314.
  • the crimping mechanism 314 may be arranged as a transverse crimping tool or a longitudinal crimping tool.
  • the apparatus may comprise a liquid bath comprising aerosol generating materials arranged to receive the second substrate layer 110, the heat generating layer 102, and/or the first substrate layer 106.
  • At least a layer of the aerosol generating consumable cartridge may comprise two surfaces, 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), before being formed onto a desired shape, such as tubular shape.
  • metal including copper, aluminium, silver, nickel, or tin
  • metallic alloy foil laminate reconstituted tobacco sheet, paper (including coated paper), before being formed onto a desired shape, such as tubular shape.

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  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
EP22185923.4A 2022-07-20 2022-07-20 Verbrauchspatrone, aerosolerzeugende vorrichtung und verfahren zur herstellung der verbrauchspatrone Pending EP4309525A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22185923.4A EP4309525A1 (de) 2022-07-20 2022-07-20 Verbrauchspatrone, aerosolerzeugende vorrichtung und verfahren zur herstellung der verbrauchspatrone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22185923.4A EP4309525A1 (de) 2022-07-20 2022-07-20 Verbrauchspatrone, aerosolerzeugende vorrichtung und verfahren zur herstellung der verbrauchspatrone

Publications (1)

Publication Number Publication Date
EP4309525A1 true EP4309525A1 (de) 2024-01-24

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ID=82656719

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22185923.4A Pending EP4309525A1 (de) 2022-07-20 2022-07-20 Verbrauchspatrone, aerosolerzeugende vorrichtung und verfahren zur herstellung der verbrauchspatrone

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EP (1) EP4309525A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016005530A1 (en) * 2014-07-11 2016-01-14 Philip Morris Products S.A. Aerosol-forming cartridge comprising a liquid nicotine source
WO2016156510A2 (en) * 2015-03-31 2016-10-06 British American Tobacco (Investments) Limited Apparatus for heating smokable material, article for use therewith and method of manufacture of article
US20200229510A1 (en) * 2019-01-21 2020-07-23 Altria Client Services Llc Capsules, heat-not-burn (hnb) aerosol-generating devices, and methods of generating an aerosol

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016005530A1 (en) * 2014-07-11 2016-01-14 Philip Morris Products S.A. Aerosol-forming cartridge comprising a liquid nicotine source
WO2016156510A2 (en) * 2015-03-31 2016-10-06 British American Tobacco (Investments) Limited Apparatus for heating smokable material, article for use therewith and method of manufacture of article
US20200229510A1 (en) * 2019-01-21 2020-07-23 Altria Client Services Llc Capsules, heat-not-burn (hnb) aerosol-generating devices, and methods of generating an aerosol

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