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WO2022129332A1 - Système de filament à chauffage sans combustion - Google Patents

Système de filament à chauffage sans combustion Download PDF

Info

Publication number
WO2022129332A1
WO2022129332A1 PCT/EP2021/086194 EP2021086194W WO2022129332A1 WO 2022129332 A1 WO2022129332 A1 WO 2022129332A1 EP 2021086194 W EP2021086194 W EP 2021086194W WO 2022129332 A1 WO2022129332 A1 WO 2022129332A1
Authority
WO
WIPO (PCT)
Prior art keywords
section
electronic smoking
smoking device
filament
heating section
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.)
Ceased
Application number
PCT/EP2021/086194
Other languages
English (en)
Inventor
Daniel Lickefeld
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 WO2022129332A1 publication Critical patent/WO2022129332A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A24F40/20—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
    • 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
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the invention relates to an electronic smoking device comprising a battery and a mouth piece, the mouth piece being in a fluid connection to a vaporizing section, wherein the vaporizing section comprises a substance cartridge with at least one vaporizable substance, a transport mechanism and a heating section, whereas the vaporizable substance is transportable with the transport mechanism from the cartridge to the heating section and heatable in the heating section.
  • Such electronic smoking devices are known from the state of the art. They are preferably used to heat a smokable substance, preferably a liquid, which thereby generates an inhalable vapour.
  • Electronic smoking devices have become more popular in the last few years, as they are seen as a healthy alternative to conventional smoking and, because of their longitudinal shape, are much more compact and easier to handle than conventional cigarette packets.
  • the liquid which is vapoured by such electronic smoking articles is a mixture of various fluids and nicotine. Accordingly the vapour has the same effect for the user in case of the nicotine consumption, but it does not taste similar to ordinary cigarette smoke. Further, the used liquids are usually quite sticky and it can be difficult to refill the electronic smoking device with such fluids.
  • HNB heat not burn
  • the vaporizable substance is provided as a continuous filament and the electronic smoking device further comprises a deposit section whereas the filament is decomposable with heat into incontinuous parts of residues and vapour and the residues are releaseable into the deposit section.
  • the filament is at least made of tobacco particles and/or a different vaporizable substance as a main ingredient. Further the inclusion of various other components is possible, preferably binder agents and/or flavours are added to the filament. Very preferably the tobacco particles have an average particle size from 10 micrometres to 30 micrometres.
  • the filament is a homogeneous mixture without any material on which it is arranged. It is conceivable that the filament thereby does not include any additional carrier material.
  • the filament thereby is only made from tobacco particles, a binder material and/or a different vaporizable substance without any carrier material.
  • the filament preferably gets fully decomposed into incontinuous parts of residues in the heating section, whereby the incontinuous parts can comprise a powdery and/or dusty form.
  • the binder material decomposes into the incontinuous parts in the heating section.
  • Particle sizes of the residues might be smaller than 5 mm, preferably smaller than 2 mm and more preferably smaller than 1 mm in diameter.
  • the consumer can adjust the heat by which the filament is decomposed. It is conceivable that due to different decomposing temperatures the taste experience can be adjusted. Preferably different filament types are usable which comprise different ingredients and thereby also different tastes. Further it is conceivable that the usage of different types of filaments with different temperatures allow an even bigger range of possible tastes.
  • the deposit section is accessible from the outside of the electronic smoking device and emptyable.
  • the disposed section functions as an ash tray, wherein the residues of the heated filament are preferably deposed in the ash tray in form of small pieces.
  • the inlet to the ash tray is a one way hole and/or mechanism which allows the residues to move only towards and/or into the deposit section, but not in the opposite direction, out of the deposit section.
  • the deposit section comprises a sensor which measures the filling level inside the ash tray. Very preferably the sensor gives an optical and/or haptic feedback to the consumer when the deposit section is full. It is conceivable that the deposit section can be removed from the electronic smoking device and is thereby attachable and detachable to the device. In a detached state from the device it might be possible to empty and/or clean the deposit section.
  • the transport mechanism comprises at least one rotatable unit which feeds the filament to the heating section.
  • a linear transport mechanism can be used which is similar to a textile transport mechanism in sewing machines as, for example, described in EP2025790A. It is conceivable that a rotatable transport mechanism allows a constant feeding rate. It is also conceivable that in comparison to a rotatable transport mechanism, a linear transport takes up less space inside the electronic smoking device.
  • the transport mechanism comprises at least one drive gear and/or roller unit for transporting the filament towards the heating section.
  • the drive gears are especially designed for transporting the filament.
  • two drive gears transport the filament wherein the drive gears are preferably arranged at opposite sides of the filament in its diameter direction. It is also conceivable that the filament is transported via a worm gear.
  • the transport mechanism is manually driven by the consumer and/or electrically driven. It is conceivable that a consumer can turn and/or move an interface, preferably a small gear arranged at the outside of the electronic smoking device, wherein the gear is attached to the transport mechanism in the inside of the electronic smoking device via a shaft. It is conceivable that the shaft runs through a hole in the outer hull of the device and thereby connects inner mechanical parts to the gear outside the hull. Preferably the consumer thereby can directly and manually adjust the feeding rate of the filament which in turn affects the intensity of the smoke and/or vapour which is released. It is thus possible to operate the transport mechanism by turning the gears.
  • the transport mechanism is electrically driven.
  • the gears for transporting the filament are driven by small electric motors inside the device. It is conceivable that thereby the need of an interaction of the consumer and the mechanical gears is redundant. Further it is conceivable that the transport mechanism is triggered by a consumer trying to smoke.
  • the electronic smoking device comprises a pressure sensor which is preferably arranged in an area of the device which is in a fluid connection to the mouthpiece. Preferably a pressure sensor then measures the pressure inside the device and when a consumer starts to inhale the pressure sensor triggers the transport mechanism as well as the heating section.
  • the fluid connection comprises at least one channel for fluids between an outer hull of the electronic smoking device and the vaporizing section, wherein the outer hull encloses the fluid channel and the vaporizing section.
  • the fluid section guides vapour and/or smoke from the heating section to the mouthpiece.
  • a hole in the outer hull functions as an air intake to provide fresh air supply from the outside of the device and thereby to provide a continuous flow of vapour from the heating section to the mouthpiece through the fluid section.
  • the air intake lets air from outside of the device into a further fluid section which connects the air intake to the heating section.
  • this further channel guides the air from outside of the device into the heating section to transport vapour and/or smoke away from the heating section, through the first fluid section towards the mouthpiece.
  • the fluid section comprises at least one heatsink which cools down the smoke and/or vapour on its way from the heating section to the mouth piece.
  • at least one of the channels is a tube which is arranged between the vaporizing section and the outer hull.
  • the smoke and/or vapour from the heating section is then guided directly into the tube, and preferably exits the tube at the mouth piece.
  • the fluid connection is accessible via an access in the outer hull and/or by detaching the vaporizing section.
  • the fluid section is accessible to be cleaned.
  • the channel is also rinsable with preferably water, which would provide a better cleaning accuracy.
  • a tube which is arranged inside the fluid connection is also accessible and/or detachable from the device to be cleaned.
  • the vaporizing section is completely detachable from the device which would allow to rinse all fluid connections in the device with preferably water.
  • the outer hull encloses the vaporizing section with a respective distance between the inner surface of the outer hull and the outer surface of the vaporizing section which creates a space in between the outer hull and the vaporizing section through which fluids can pass.
  • This fluid connection comprises a channel from the heating section to the mouthpiece and thus allows the vapour to flow from the heating section to the mouthpiece on a predefined path.
  • this path is at least one tube-like construct. It is conceivable that the vaporizing section and the outer hull comprise a round shape, and that the outer diameter of the vaporizing section is preferably smaller than the inner diameter of the outer hull.
  • the vaporizing section is then hold in the middle of the inside of the outer hull by a support structure, wherein the space between the vaporizing section and the outer hull thereby is the fluid connection from the heating section to the mouthpiece. It is conceivable that by detaching the vaporizing section one could easily clean the outer surface of the vaporizing section as well as the inner surface of the outer hull.
  • the heating section comprises a heat resistant material which is porous and/or comprises at least one through hole from the outside to the inside of the heating section where the filament is heated.
  • the heating section is made of a material that is porous enough to allow the steam generated in the inside of the heating section to escape from the inside of heating section to the outside.
  • this material is a ceramic and/or semiconductor material. It is conceivable that materials such as molybdenium disilicide, silicon carbide and silicon nitride can be used for such purpose. Further PTC ceramic elements can be use which, due to their positive thermal coefficient of resistance, function as their own thermostat. It is conceivable that also devices such as quartz halogen heaters can be used for heating the filament.
  • a metallic material can be used for the heating section, whereby this then preferably comprises small holes through which the smoke can flow.
  • the heating section consists of a longitudinal hollow cylinder, whereby the tobacco filament is passed through the cylinder in the longitudinal direction and the vapour and/or smoke emitted from the filament by heat can pass out of the side of the cylinder through the porous structure and/or the holes.
  • the filament is introduced as a continuous piece into the heating section and is heated there, thereby causing the filament to produce steam and decompose, and the remains of the filament that have not been converted to steam are led out of the heating section at the other end of the longitudinal cylinder of the heating section.
  • the envelope of the heating section is made of a porous material, the holes in this porous material are preferably large enough to allow the vapour and/or smoke produced in the heating section to escape from the inside of the heating section through the holes.
  • the material used in the heating section is ceramic and/or a semiconductor material which can withstand at least temperatures up to 350 °C. It is conceivable that this material in particular must withstand constant heating and cooling periods. Due to that it is also conceivable that the heating section comprises a material that has a smallest possible temperature-dependent coefficient of expansion, which would prevent heat related stress inside the material.
  • the vaporizing section further comprises the deposit section, whereas the vaporizing section is exchangeable and by that mountable and demountable from the electronic smoking device.
  • the electronic smoking device has a modular design, whereby each component of the unit can be replaced individually.
  • the vaporizing section is detachable from the outer hull in one piece.
  • the deposit section is detachable alone to be able to be cleaned and/or emptied.
  • all components of the vaporizing section are individually exchangeable and by that mountable and demountable from the electronic smoking device.
  • Very preferably all components of the electronic smoking device are individually exchangeable and by that mountable and demountable from the device. It is conceivable that the fluid connections inside the device may consist of all parts due to the assembly of the unit. This would mean that the parts required for the appliance would replace parts that would have to be additionally installed in the appliance and could thus be avoided.
  • the filament stored in the substance cartridge is winded and/or folded.
  • the filament is stored in the cartridge in a space-saving way.
  • the filament has a round and/or oval and/or rectangular shape in its cross sectional view.
  • the filament can be shaped in various other geometrical forms.
  • the filament can be wound preferably on a spool and/or folded inside the cartridge.
  • the smokable substance from which the filament is made comprises a paste-like consistency which would allow maximum space utilisation in the cartridge.
  • the paste is then pressed out of the cartridge via a piston. And very preferably the paste is thereby pressed through a nozzle to form the filament.
  • Method for manufacturing a cartridge with a filament for placing in an electronic smoking device comprising the following steps:
  • Second all ingredients of the filament which are preferably tobacco particles and/or a different vaporizable substance, are mixed together to form a vaporizable substance which is then moulded and finally placed inside a cartridge.
  • the vaporizable substance is moulded into the form of a longitudinal filament which is then wound on a spool and wherein the spool is afterwards placed inside the cartridge.
  • the spool already functions as the cartridge and can be placed directly into the electronic smoking device without further casing.
  • the filament is not wound on a spool, but folded inside the cartridge, wherein the cartridge would thereby preferably only comprise a case without spool.
  • the filament is preferably moulded into a flat, but still longitudinal form, similar to a flat band.
  • the cartridge would preferably comprise a piston to press the vaporizable substance out of the cartridge.
  • the vaporizable substance would then preferably comprise a paste-like consistency to be formed to a filament while being pressed out of the cartridge.
  • the cartridge comprises a nozzle which forms the vaporizable substance by being pressed thorough the nozzle by the piston.
  • the paste-like vaporizable substance can be refilled into the cartridge via a refill device which comprises a refill container.
  • a refill device which comprises a refill container.
  • the piston is also pushed back in its initial position by refilling the cartridge and thereby allows to use the cartridge again.
  • the tobacco particles have an average particle size from 10 micrometres to 30 micrometres. It is conceivable that the particles are smaller and/or larger. It is also conceivable that a mixture of different particle sizes be used for the filament. Further it is conceivable that the particle size depends on the used tobacco plant and by mixing different sorts of tobacco together, the particle size inside the filament also varies. This is preferably used to enhance the best possible taste by using each tobacco in a particle size that allows its flavour to come out in the best possible way.
  • Figure 1 illustrates a two dimensional view into an electronic smoking device 1 according to the invention.
  • the electronic smoking device 1 extends with its length direction in the longitudinal direction L, wherein it also extends with its width direction into the width direction B.
  • the battery 12 is arranged at the bottom part of the electronic smoking device 16 at one end on the electronic smoking device 1 according to the longitudinal direction L.
  • a mouth piece 2 is attached, wherein the mouth piece 2 is hollow and in a fluid connection 9 to the a channel 15 which is arranged in between the outer hull 14 of the device 1 and the vaporizing section 3.
  • a consumer By drawing at the mouth piece 2 a consumer causes vapour 10 and/or smoke 10 to flow along a path V, wherein the path V ends by the vapour 10 and/or smoke exiting the mouth piece 2 into the mouth of the consumer.
  • the path V starts in the heating section 5 of the vaporizing section 3, wherein the vaporizing section 3 is arranged in between the battery 12 and a substance cartridge 8.
  • the vaporizing 3 section comprises a transport mechanism 4 with roller units 13, the heating section 5, a deposit section 6, a vaporizable substance in form of filament 7 and residues 11 inside the deposit section 6.
  • the filament 7 is obtained from the substance cartridge 8 and transported in the transport section 4 with the roller units 13 towards the heating section 5.
  • the filament 7 in the substance cartridge 8 preferably comprises a round and longitudinal shape and is preferably wound on a spool in a space saving way.
  • the spool is placed inside the device 1 without further cartridge housing 8. It is conceivable that the filament 7 can also be folded and by that stacked in form of layers inside the cartridge 8.
  • the filament 7 would then preferably comprise a flat, but still longitudinal shape, wherein the width of the filament 7 thus preferably corresponds to the inner width of the substance cartridge 8.
  • the transport mechanism 4 transports the filament 7 with at least one, but preferably two roller units 13, wherein in figure 1 the filament 7 is arranged in between the roller units 13 according to the width direction B.
  • the roller units 13 comprise a rough and/or sticky surface to provide grip between the filament 7 and the roller units 13.
  • the rotating axis 18 of one roller unit 13 is connected via a shaft to the gear (not shown here) outside the hull 1 of the device 1 . Thereby the roller unit 13 turns while a consumer is interacting with the gear.
  • both roller units 13 comprise a gear and thereby the turned roller unit 13 would turn the second roller unit 13 in the opposite direction.
  • the filament 7 which is transported toward the heating section 5 enters the heating section 5 on the side of the heating section 5 which is arranged towards the transport mechanism 4.
  • the filament 7 is heated and thereby decomposed, wherein decomposing means the filament 7 to split up into vapour 10 and/or smoke 10 and incontinuous parts of residues 1 1 .
  • incontinuous parts of residues preferably means that that the residues comprises the form of powder and/or dust.
  • all components of the filament get decomposed into the residues which thereby form the powdery and/or dusty form.
  • splitting up the filament 7 means that the filament 7 is heated to a temperature at which the fluid parts and/or active ingredients inside the filament 7 start to evaporate.
  • the temperature does not exceed a threshold value at which the active substances from the filament 7are evaporated, but the filament 7 is not burned.
  • heating the filament up to this threshold value preferably lets the filament 7 dry out and disintegrate into incontinuous parts of residues 1 1
  • These residues 1 1 are transportable from the heating section 5 into the deposit section 6. This means that the filament 7 enters the heating section 5 in one continuous piece at one end according to the direction L, and on the other end of the heating section 5, which is directed towards the deposit section 6, the filament exits the heating section 5 in incontinuous parts of residues 1 1.
  • the deposit section 6 comprises a one way valve 19 through which the residues 1 1 can pass against the direction L from the heating section 5.
  • the force of gravity points at least partially against the direction L during the usage of the device 1 , wherein this would mean that the residues 1 1 fall into the deposit section 6 without further transport mechanism.
  • the deposit section 6 is in normal use of the device 1 arranged below the heating section 5 according to the force of gravity.
  • a transport mechanism is introduced to transport the residues 11 into the deposit section 6.
  • the vapour 10 which is also released during the decomposing, is released from the heating section 5 into the channel 15 along the flow path V, wherein the channel 15 guides the vapour 10 along the flow path V towards the mouthpiece 2.
  • the vaporizing section 3 and the substance cartridge 8 are detachable on their own from the device 1 to be able to be exchanged individually.
  • all parts from inside the device 1 are detachable on their own, wherein this includes the substance cartridge 8, the transport mechanism 4, the heating section 5 and the deposit section 6.
  • the deposit section 6 and the substance cartridge 8 are detachable on their own from the device to be able to empty the residues 11 out of the deposit section 6 and also to replace filament 7 inside the cartridge 8, when the filament is used up.

Landscapes

  • Manufacture Of Tobacco Products (AREA)

Abstract

L'invention concerne un dispositif à fumer électronique comprenant une batterie et un embout buccal, l'embout buccal étant en liaison fluidique avec une section de vaporisation, la section de vaporisation comprenant une cartouche de substance ayant au moins une substance vaporisable, un mécanisme de transport et une section de chauffage, la substance vaporisable pouvant être transportée avec le mécanisme de transport de la cartouche à la section de chauffage et pouvant être chauffée dans la section de chauffage. Selon l'invention, la substance vaporisable est fournie sous la forme d'un filament continu, le dispositif à fumer électronique comprenant en outre une section de dépôt, le filament étant décomposable par la chaleur en parties non continues de résidus et de vapeur et les résidus étant libérables dans la section de dépôt.
PCT/EP2021/086194 2020-12-16 2021-12-16 Système de filament à chauffage sans combustion Ceased WO2022129332A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20214601.5 2020-12-16
EP20214601 2020-12-16

Publications (1)

Publication Number Publication Date
WO2022129332A1 true WO2022129332A1 (fr) 2022-06-23

Family

ID=73855102

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/086194 Ceased WO2022129332A1 (fr) 2020-12-16 2021-12-16 Système de filament à chauffage sans combustion

Country Status (1)

Country Link
WO (1) WO2022129332A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0640297A1 (fr) * 1993-08-10 1995-03-01 Philip Morris Products Inc. Article à fumer électrique comprenant une bande continue avec de l'arôme de tabac et cassette avec arôme pour cet article
US5649554A (en) * 1995-10-16 1997-07-22 Philip Morris Incorporated Electrical lighter with a rotatable tobacco supply
EP2025790A2 (fr) 2007-08-17 2009-02-18 Dürkopp Adler Aktiengesellschaft Transporteur destiné au transport de produits de couture pendant le fonctionnement d'une machine à coudre
WO2019121811A1 (fr) 2017-12-22 2019-06-27 Philip Morris Products S.A. Dispositif de production d'aérosol doté d'un collecteur de résidus pouvant être inséré amovible
WO2020207734A1 (fr) * 2019-04-08 2020-10-15 Philip Morris Products S.A. Système de génération d'aérosol et article de génération d'aérosol comprenant un film de génération d'aérosol

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0640297A1 (fr) * 1993-08-10 1995-03-01 Philip Morris Products Inc. Article à fumer électrique comprenant une bande continue avec de l'arôme de tabac et cassette avec arôme pour cet article
US5649554A (en) * 1995-10-16 1997-07-22 Philip Morris Incorporated Electrical lighter with a rotatable tobacco supply
EP2025790A2 (fr) 2007-08-17 2009-02-18 Dürkopp Adler Aktiengesellschaft Transporteur destiné au transport de produits de couture pendant le fonctionnement d'une machine à coudre
WO2019121811A1 (fr) 2017-12-22 2019-06-27 Philip Morris Products S.A. Dispositif de production d'aérosol doté d'un collecteur de résidus pouvant être inséré amovible
WO2020207734A1 (fr) * 2019-04-08 2020-10-15 Philip Morris Products S.A. Système de génération d'aérosol et article de génération d'aérosol comprenant un film de génération d'aérosol

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