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EP4531612A1 - Cartouche pour un dispositif de génération de vapeur et son emballage - Google Patents

Cartouche pour un dispositif de génération de vapeur et son emballage

Info

Publication number
EP4531612A1
EP4531612A1 EP23729049.9A EP23729049A EP4531612A1 EP 4531612 A1 EP4531612 A1 EP 4531612A1 EP 23729049 A EP23729049 A EP 23729049A EP 4531612 A1 EP4531612 A1 EP 4531612A1
Authority
EP
European Patent Office
Prior art keywords
cartridge
coating
liquid reservoir
liquid
housing
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.)
Withdrawn
Application number
EP23729049.9A
Other languages
German (de)
English (en)
Inventor
Christoph Lungenschmied
Broderick COBURN
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.)
JT International SA
Original Assignee
JT International SA
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 JT International SA filed Critical JT International SA
Publication of EP4531612A1 publication Critical patent/EP4531612A1/fr
Withdrawn legal-status Critical Current

Links

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
    • A24F40/10—Devices using liquid 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
    • A24F40/44—Wicks
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—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
    • A24F40/70—Manufacture

Definitions

  • the cartridges also known as capsules or pods
  • primary packaging e.g., blister packs
  • secondary packaging e.g., blister packs
  • Primary' packaging which provides the bulk of the barrier properties, typically manufactured from materials with very' high-barrier properties, such as aluminum and/or polyvinylidene chloride (PVDC) coated PET in a blister pack format containing multiple refill cartridges.
  • the cartridge or pod packaging may comprise flow-wrap using very' high-barrier properties.
  • the traditional candidate polymer materials do not provide sufficient barrier properties to maintain e-liquid freshness or quality at thicknesses that are acceptable from a cost point of view or consumable size (wall thicknesses should be less than 2 mm, preferably' less than 1 mm).
  • Example materials used for pod housings such as polypropylene (PP), polycarbonate (PC), polyesters (such as PET or PEN (poly(ethylene 2,6-naphthalate))) and co-polyesters (such as Tritan) only provide medium to low gas and/or vapor barrier properties (e.g. oxygen transmission rate (OTR) > 4 cm 3 /m 2 /24hr; water vapor transmission rate (WVTR) > 4 g/m 2 /24hr).
  • OTR oxygen transmission rate
  • WVTR water vapor transmission rate
  • a first aspect of the present invention provides a cartridge for a vapour generating device, the cartridge being configured to connect to a base part to provide an operable device, the cartridge comprising: a housing having at least a liquid reservoir for containing a vapour generating liquid and an interface for connection to the base part; wherein at least part of an inner surface of the housing is provided with a barrier coating.
  • any type of cartridge for a vapour generating device may be provided with the barrier coating on at least part of an inner surface of the housing in accordance with the first aspect of the invention.
  • typically cartridges are made from polymers, such as thermoplastics. Therefore a cartridge comprising a housing made of a polymer material, such as a thermoplastics material, may be provided with the barrier coating on at least part of an inner surface of the housing in accordance with the first aspect of the invention.
  • a cartridge comprising a housing made of a polymer material, such as a thermoplastics material, may be provided with the barrier coating on at least part of an inner surface of the housing in accordance with the first aspect of the invention.
  • the cartridge may be configured to thermally, electrically or inductively connect to the base part.
  • an electrically connectable cartridge may comprise a wick and coil cartridge or a ceramic heater cartridge as is known in the art.
  • a thermally connectable cartridge has heat energy transferred from a heat source provided in the base part.
  • An inductively connectable cartridge has energy 7 transferred from an induction coil provided in the base part to a susceptor provided in the cartridge, the susceptor generating heat for vaporisation of the liquid.
  • the cartridge may 7 further comprise at least one air channel extending from an air inlet to an air outlet; the housing having a vaporisation chamber in communication with the liquid reservoir, the at least one air channel extending from the air inlet, through the vaporisation chamber to the air outlet and wherein the inner surface of the housing provided with the barrier coating comprises at least the liquid reservoir.
  • the cartridge may be one that is connectable to the base part to provide an operable device via liquid transfer.
  • the barrier coating according to the invention may be applied to any 7 ty pe of cartridge for a vapour generating device.
  • the film coating provides a barrier between materials of the housing and the atmosphere, reducing or eliminating degradation of the vapour generating liquid.
  • the inner surface of the housing provided with the barrier film coating comprises the liquid reservoir.
  • the liquid reservoir may 7 be made from a polymer material, such as a thermoplastic material, such that the inner surface of a polymer reservoir is provided with the barrier coating.
  • one or more other inner surfaces of the housing such as an inner surface of the air channel, may 7 be provided with the barrier coating in addition to the inner surface of the reservoir.
  • substantially- all internal surfaces of the housing may 7 be provided with the film coating.
  • the film coating preferably has a thickness of less than lOOnm, more preferably having a thickness of 10- lOOnm.
  • the film coating may 7 be applied to the inner surface by 7 any 7 suitable means but preferably 7 is a vapour deposition coating, more preferably a chemical vapour deposition coating, most preferably plasma-enhanced chemical vapor deposition coating.
  • a vapour deposition coating more preferably a chemical vapour deposition coating, most preferably plasma-enhanced chemical vapor deposition coating.
  • an atomic layer deposition method (ALD) or molecular layer deposition method may be used.
  • the coating is selected from at least one of silicon oxide (SiOx), diamond-like carbon (DLC), silicon oxy carbide (SiOC) and silicon nitride, most preferably being silicon oxy carbide (SiOC).
  • An undercoating may be provided between the inner surface of the housing of the cartridge and the barrier coating to aid adhesion of the coating to the surface.
  • An organosilane may be used for the undercoating layer.
  • An example of a suitable undercoating is 3- aminopropyltrimethoxysilane (3APTMS).
  • the cartridge further comprises a fluid outlet between the liquid reservoir and an exterior of the housing, wherein a separate seal is provided over the fluid outlet.
  • a separate seal is provided over the fluid outlet.
  • the seal comprises a removable or breakable seal extending across the fluid outlet.
  • a second aspect of the present invention provides a vapour generating device comprising a base part, a cartridge and a power supply, wherein the cartridge comprises a cartridge according to the first aspect of the present invention connected to the base part via the interface to provide an operable device.
  • a fourth aspect of the present invention provides a method for applying a barrier coating to an inner surface of a cartridge for a vapour generating device, the method comprising:
  • a removable or breakable seal is preferably applied across a fluid outlet of the cartridge postcoating.
  • the cartridge may also be provided yvith a thermal interface membrane extending at least partially across the fluid outlet, preferably being provided internally of the fluid outlet seal.
  • One or more cartridges may then be placed in secondary 7 packaging.
  • a vapour generating device preferably comprises an electronic cigarette.
  • the term “electronic cigarette” may include an electronic cigarette configured to deliver an aerosol to a user, including an aerosol for inhalation/vaping.
  • An aerosol for inhalation/vaping may refer to an aerosol with particle sizes of 0.01 to 20 pm. The particle size may be between approximately 0.015 pm and 20 pm.
  • the electronic cigarette may be portable.
  • vapour is a substance in the gas phase at a temperature lower than its critical temperature, which means that the vapour can be condensed to a liquid by increasing its pressure without reducing the temperature
  • aerosol is a suspension of fine solid particles or liquid droplets, in air or another gas.
  • the cartridge and the base part may include any one or more components conventionally included in these parts of a vapour generating device. All or some of the internal cavities of the cartridge may be provided with the barrier coating according to the invention, albeit coating of only the inner surface of the liquid reservoir should suffice.
  • a fluid transfer medium may be provided in the cartridge betyveen the liquid reservoir and a heat source for absorbing liquid transferred to the vaporization chamber from the reservoir.
  • the fluid transfer medium can be made of any material or a combination of materials being able to perform sorption and/or absorption of another material, and can be made, for example, of one or more of the folloyving materials: fibreglass, aluminium, cotton, ceramic, cellulose and glass fibre yvick.
  • the cartridge housing may 7 have a proximal end configured as a mouthpiece end yvhich is in fluid communication yvith the vaporization chamber via the air flow 7 channel and a distal end provided yvith the interface for interconnection yvith the base part.
  • the mouthpiece end may be configured for providing the vaporized liquid to the user.
  • the liquid reservoir may 7 be provided in the main body of the cartridge yvith the air flow channel extending from an inlet provided at the base and one side of the cartridge, along the base of the cartridge to the vaporization chamber and up one side of the cartridge to the air outlet located centrally at the mouthpiece end.
  • the liquid reservoir may be disposed around the air flow channel.
  • the cartridge housing may be made of one or more of the following polymer materials: poly ether ether ketone (PEEK), polyimides, such as Kapton®, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyethylene (PE), high- density polyethylene (HDPE), polypropylene (PP), polystyrene (PS), fluorinated ethylene propylene (FEP), polytetrafluoroethylene (PTFE), polyoxymethylene (POM), polybutylene terephthalate (PBT), Acrylonitrile butadiene styrene (ABS), Polycarbonates (PC), polylactic acid (PLA), epoxy resins, co-polyesters, polyurethane resins and vinyl resins.
  • PEEK poly ether ether ketone
  • PEEK polyimides, such as Kapton®, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyethylene (PE), high- density polyethylene (HDPE), poly
  • the base part of the device may include a power supply unit, e.g. a battery, connected to a heat source.
  • the heat source may be provided in the base part or in the cartridge.
  • the power supply unit electrically heats the heat source, such as a heating element, which then, in turn, provides heat for evaporation of the vapour generating liquid in the reservoir, optionally via a fluid transfer medium.
  • the heat source such as a heating element
  • Vapour created during the above process is transferred from the vaporization chamber via the air flow channel in the cartridge so that it can be inhaled via the outlet by a user of the device.
  • the cartridge may be disconnected from the base part and a new cartridge fitted, enabling the reuse of the base part.
  • the heat source may comprise a protruding heater extending from the base part so that, in use, the heater extends into the chamber of the cartridge, optionally breaking the outlet seal and/or deforming the membrane around the heater.
  • the base part may be electrically connected to a heater provided inside the cartridge, such as in the commercially available wick and coil arrangement known in the art.
  • the power supply unit e.g. battery
  • the pow er supply unit may be aNickel-metal hydride battery, a Nickel cadmium battery 7 , or a Lithium based battery, for example a Lithium-Cobalt, a Lithium-Iron-Phosphate, a Lithium-Ion or a Lithium-Polymer battery.
  • the base part may further comprise a processor associated with electrical components of the electronic cigarette, including the battery.
  • Figure 2 is a schematic diagram illustrating a reservoir unit and contact unit that interconnect to form a cartridge of the type shown in Figure 1;
  • Figure 3B is a perspective view of the exterior of the cartridge shown in Fi gure 3A;
  • the base part 2 generally comprises a housing accommodating therein a power supply unit in the form of a battery 7 , the base part being connectable to the cartridge or pod 4.
  • the cartridge 4 comprises two parts 6, 9, the first part comprising a reservoir unit 6 and the second part comprising a contact unit 9 (see Figure 2).
  • the first part of the cartridge (capsule or pod) 6 has a main body’ forming a liquid storage reservoir 10 having an open distal end 6a for connection to the contact unit and a proximal end yvhich includes a mouthpiece 8 configured for introduction directly’ into a user's mouth (shoyvn only’ in Figure 1).
  • the liquid storage portion or liquid reservoir 10 is configured for containing therein the liquid to be vaporized.
  • the liquid may’ comprise an aerosol-forming substance such as propylene glycol and/or glycerol and may contain other substances such as nicotine and acids.
  • the liquid may’ also comprise flavourings such as e.g. tobacco, menthol or fruit flavour.
  • the liquid store may extend between the proximal end towards the distal end and a vapour transfer channel 24 may extend from an inlet positioned on the base part or cartridge to an outlet 26 provided at the top of the cartridge.
  • a vaporisation zone 16 extends betyveen the liquid store and the base of the cartridge, the vaporisation zone being in fluid communication with the vapour transfer channel 24.
  • the vapour transfer channel 24 extends through the centre of the of the cartridge but it could also extend around a side of the liquid storage portion 10, as shoyvn in Figures 3A and 3B.

Landscapes

  • Packages (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

Une cartouche (4) pour un dispositif de génération de vapeur présentant un boîtier (6) doté d'une entrée d'air (22), d'une sortie d'air (26), d'au moins un canal d'air (24) s'étendant de l'entrée d'air à la sortie d'air, d'un réservoir de liquide (10) destiné à contenir un liquide de génération de vapeur et une chambre de vaporisation (12/16) en communication avec le réservoir de liquide, au moins une partie d'une surface interne du boîtier étant dotée d'un revêtement barrière (100) appliqué par un processus de dépôt chimique en phase vapeur. Un joint amovible ou cassable est disposé sur une sortie de fluide du boîtier.
EP23729049.9A 2022-05-26 2023-05-23 Cartouche pour un dispositif de génération de vapeur et son emballage Withdrawn EP4531612A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22175616 2022-05-26
PCT/EP2023/063768 WO2023227589A1 (fr) 2022-05-26 2023-05-23 Cartouche pour un dispositif de génération de vapeur et son emballage

Publications (1)

Publication Number Publication Date
EP4531612A1 true EP4531612A1 (fr) 2025-04-09

Family

ID=81850715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23729049.9A Withdrawn EP4531612A1 (fr) 2022-05-26 2023-05-23 Cartouche pour un dispositif de génération de vapeur et son emballage

Country Status (3)

Country Link
US (1) US20250204586A1 (fr)
EP (1) EP4531612A1 (fr)
WO (1) WO2023227589A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA119551C2 (uk) * 2014-02-10 2019-07-10 Філіп Морріс Продактс С.А. Нагрівальний вузол для системи, що генерує аерозоль
EP3176108A1 (fr) * 2015-12-03 2017-06-07 JT International S.A. Emballage pour au moins un article de consommation
US10334882B2 (en) 2016-04-13 2019-07-02 Md&C Creative Masion Sa Electronic cigarette
US11053395B2 (en) * 2017-06-12 2021-07-06 Altria Client Services Llc Corrosion-resistant reservoir for an e-vaping device and method of manufacturing thereof
WO2019198162A1 (fr) * 2018-04-10 2019-10-17 日本たばこ産業株式会社 Unité d'atomisation

Also Published As

Publication number Publication date
US20250204586A1 (en) 2025-06-26
WO2023227589A1 (fr) 2023-11-30

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