WO2018060805A1 - Extincteur pour article générateur d'aérosol - Google Patents

Extincteur pour article générateur d'aérosol Download PDF

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Publication number
WO2018060805A1
WO2018060805A1 PCT/IB2017/055572 IB2017055572W WO2018060805A1 WO 2018060805 A1 WO2018060805 A1 WO 2018060805A1 IB 2017055572 W IB2017055572 W IB 2017055572W WO 2018060805 A1 WO2018060805 A1 WO 2018060805A1
Authority
WO
WIPO (PCT)
Prior art keywords
aerosol generating
extinguisher
heat source
generating article
cup
Prior art date
Application number
PCT/IB2017/055572
Other languages
English (en)
Inventor
Egidio PAPPADA
Luca CERESA
Rui Nuno BATISTA
Original Assignee
Philip Morris Products S.A.
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 Philip Morris Products S.A. filed Critical Philip Morris Products S.A.
Publication of WO2018060805A1 publication Critical patent/WO2018060805A1/fr

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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
    • A24F13/00—Appliances for smoking cigars or cigarettes
    • A24F13/18—Extinguishers for cigars or cigarettes

Definitions

  • This disclosure relates to an extinguishing accessory for an aerosol generating article having a combustible heat source for heating an aerosol-forming substrate.
  • an aerosol is generated by the transfer of heat from a combustible heat source to a physically separate aerosol-forming substrate, for example containing tobacco.
  • the aerosol-forming substrate may be located within, around or downstream of the combustible heat source.
  • WO-A2-2009/022232 discloses a smoking article comprising a combustible heat source, an aerosol-forming substrate downstream of the combustible heat source, and a heat-conducting element around and in contact with a rear portion of the combustible heat source and an adjacent front portion of the aerosol-forming substrate.
  • volatile compounds are released from the aerosol-forming substrate by heat transfer from the combustible heat source and entrained in air drawn through the smoking article. As the released compounds cool, they condense to form an aerosol that is inhaled by the user.
  • Aerosol generating articles which include a combustible fuel element or heat source may have a combustion zone or zone of heating that is larger, more dense, and not as readily extinguished by crushing or "stubbing out" the heat source, as compared to, for example a conventional cigarette, in which tobacco is burnt or combusted to heat and release volatile compounds from the tobacco.
  • Such aerosol generating articles may have a carbonaceous heat source that contains significantly more energy in the form of heat than found in the combustion zone of a conventional cigarette. Consequently, such aerosol generating articles may require more effort to extinguish or to remove heat to facilitate disposal.
  • an extinguisher accessory for an aerosol generating article may conveniently extinguish a carbonaceous heat source of the aerosol generating article on demand.
  • an extinguisher for an aerosol generating article having a carbonaceous heat source includes a body extending between a closed end and an open end and defining an inner surface.
  • a seal element is circumferentially disposed about the inner surface and adjacent to the open end.
  • the seal element has an inner diameter sized to seal against an outer surface of an aerosol generating article.
  • the extinguisher may extinguish the received carbonaceous heat source and dissipate or retain heat generated from the received carbonaceous heat source.
  • the extinguisher may be securely fixed to the received aerosol generating article.
  • the extinguisher may maintain an outer surface temperature of about 50 degrees Celsius or less, or 40 degrees Celsius or less, to allow a user to place the extinguisher and received aerosol generating article in a pocket of a user.
  • the extinguisher may include an inner cup element disposed within an outer cup element.
  • the outer cup element may define an outer closed end and an opposing outer open end and an outer side wall extending from the outer closed end to the outer open end.
  • the inner cup element may define an inner closed end and an opposing inner open end and an inner side wall extending from the inner closed end to the inner open end.
  • the inner open end is sized to receive the carbonaceous heat source.
  • the inner cup element may be spaced apart from the outer cup element and define a void volume there between.
  • the void volume may have a pressure that is less than atmospheric pressure to retain the heat of the combusting carbonaceous heat source.
  • the outer cup may have an air inlet to allow air flow to dissipate heat from the combusting carbonaceous heat source.
  • the extinguisher may define an elliptical or non- round body.
  • this may allow the user to easily detect when the extinguisher is securely engaged onto the aerosol generating article.
  • aerosol-forming substrate refers to a substrate capable of releasing, upon heating, volatile compounds, which may form an aerosol.
  • the aerosols generated from aerosol- forming substrates of articles according to the invention may be visible or invisible and may include vapours (for example, fine particles of substances, which are in a gaseous state, that are ordinarily liquid or solid at room temperature) as well as gases and liquid droplets of condensed vapours.
  • the aerosol-forming substrate includes nicotine or a nicotine source.
  • the nicotine comes from tobacco material.
  • the aerosol-forming material is preferably solid and made from tobacco leaf material.
  • carbonaceous refers to a material that comprises carbon, such as carbon powder, for example.
  • This disclosure relates to an extinguisher for a carbonaceous heat source of an aerosol generating article.
  • the extinguisher may be secured to a carbonaceous heat source of the aerosol generating article to enclose or surround the combusting carbonaceous heat source.
  • the extinguisher may be heat insulating and retain the heat emitted from the combusting carbonaceous heat source.
  • the extinguisher body is heat insulating and retains heat within the body.
  • the extinguisher may dissipate the heat emitted from the combusting carbonaceous heat source (act or function as a heat sink).
  • the extinguisher body forms a heat sink that contains and dissipates heat within the body.
  • the extinguisher may retain and dissipate the heat emitted from the combusting carbonaceous heat source.
  • the extinguisher may restrict or prevent air or oxygen transport into the combusting carbonaceous heat source and facilitate extinguishment of the carbonaceous heat source.
  • Heat insulating material acts as a thermal barrier and has a reduced thermal conductivity value.
  • Heat conducting (heat sink) material has an increased thermal conductivity value and dissipates heat by thermal conduction.
  • the extinguisher includes a body extending between a closed end and an open end and defining an inner surface.
  • the open end is configured to receive and enclose a carbonaceous heat source of an aerosol generating article.
  • a seal is circumferentially disposed about the inner surface and adjacent to the open end. The seal is configured to contact an aerosol generating article downstream from the carbonaceous heat source.
  • the seal element is configured to contact a housing of an aerosol generating article when containing the combusting carbonaceous heat source. The seal element may securely fix the extinguisher to the aerosol generating article.
  • the seal element may be sized to fit tightly against a housing or outer surface of the received aerosol generating article.
  • the seal element may form an air tight seal between the extinguisher body and the received aerosol generating article.
  • the seal element may have a circular or annular shape or configuration that corresponds with the outer diameter of the received aerosol generating article.
  • the seal element has an inner diameter that may be reduced to secure the aerosol generating article into the extinguisher body.
  • the seal element may form an interference fit or friction fit with the outer diameter of the received aerosol generating article.
  • the seal element may have an outer diameter that is in contact with or fixed to the body inner surface.
  • the seal element may be formed of any useful sealing material and may be heat resistant.
  • the seal element may be formed of an elastomeric material such as rubber or polymer or a composite material including graphene.
  • the seal element may be formed of nitrile butadiene rubber, for example.
  • the seal element may be compressible to reduce the inner diameter of the seal element.
  • the seal element may be referred to as an "O-ring".
  • the seal element and extinguisher body is sized to receive an aerosol generating article.
  • the seal element and extinguisher body is sized to receive an aerosol generating article having an outer diameter between about 5 mm and about 10 mm, or from about 6 mm to about 9 mm, or from about 7 mm to about 8 mm.
  • the inner diameter of the extinguisher body is about 1 mm greater than the diameter of the aerosol generating article.
  • a cover element may be coupled to the body open end and contact the seal element.
  • the cover element may be movable relative to the body.
  • the cover element may have an aperture sized to allow an aerosol generating article to pass through.
  • the cover element may be movable between an open position and a closed position. In the open position the seal element may have an open inner diameter. In the open position, the seal element open inner diameter allows an aerosol generating article to pass through the open inner diameter freely. In the closed position the seal element may have a closed inner diameter. The closed inner diameter is less than the open inner diameter. In the closed position, the seal element closed inner diameter contacts the aerosol generating article and secures the aerosol generating article to the extinguisher body.
  • the cover element may be coupled to the body open end via threaded engagement.
  • the threaded engagement may allow the cover element to move against the seal element and compress the seal element to reduce the inner diameter of the seal element.
  • the cover element may compress the seal element by rotating about the body open end along the mating threaded elements on the cover element and the body open end.
  • the cover element may compress the seal element to form a closed inner diameter that may form the air tight seal between the seal element and the aerosol generating article received therein.
  • the cover element may have an inner threaded diameter that is configured to mate with a threaded outer diameter of the outer open end. Rotation of the cover element may be about a central longitudinal axis of the extinguisher body and cause the cover element to move laterally along the longitudinal axis.
  • the cover may rotate relative to the body between the open position and the closed position.
  • the extinguisher may include an inner cup element disposed within an outer cup element.
  • the outer cup element may define an outer closed end and an opposing outer open end and an outer side wall extending from the outer closed end to the outer open end.
  • the inner cup element may define an inner closed end and an opposing inner open end and an inner side wall extending from the inner closed end to the inner open end.
  • the inner open end is configured to receive the carbonaceous heat source.
  • the extinguisher body may define any elongated shape.
  • the extinguisher body may define an elongated circular shape, a non-round shape, an elliptical shape, or polygonal shape, in cross-section.
  • Preferably the extinguisher body defines any elongated circular, oval, or polygonal shape.
  • Exemplary polygonal shapes include, trigonal shape, octagonal shape, rhomboidal shape, trapezoidal shape, and the like, in cross-section.
  • the elongated elliptical shape or any non-round shape may provide visual evidence when the seal element is engaged or in the closed position to form an air tight seal and securely fix the extinguisher body to the aerosol generating article.
  • a typical aerosol generating article has a diameter in a range from about 6 mm to about 9 mm or from about 7 mm to about 8 mm.
  • a typical aerosol generating article has a length in a range from about 60 mm to about 100 mm, or from about 70 mm to about 85 mm, or about 80 mm.
  • the carbonaceous heat source may have a length in a range from about 6 mm to about 1 1 mm or from about 7 mm to about 9 mm.
  • the extinguisher body is an elongated body having a length.
  • the elongated body has a length sufficient to contain the carbonaceous heat source of the aerosol generating article.
  • the extinguisher body may have an aspect ratio (length :diameter) of at least about 2:1 , or at least about 3:1 or at least about 4: 1.
  • the extinguisher body may have a length sufficient to enclose at least about 15%, or at least about 20%, or at least about 25%, or at least about 30%, or in a range from about 15% to about 90%, or in a range from about 20% to about 80%, or in a range from about 25% to about 75%, or in a range from about 25% to about 50%, of the aerosol generating article length.
  • the extinguisher body may have a length in a range from about 15 mm to about 70 mm, or from about 20 mm to about 50 mm, or from about 20 mm to about 35 mm.
  • the extinguisher may be a single cup or dual cup (inner cup set within an outer cup) configuration.
  • the single cup configuration may be formed of a heat insulating material to retain the heat within the single cup or a heat sink or heat conducting material to dissipate the heat throughout the single cup.
  • the outer surface of the single cup configuration maintains a temperature of less than about 50 degrees Celsius, or less than about 40 degrees Celsius, or less than about 35 degrees Celsius, or less than about 30 degrees Celsius when extinguishing the combusting carbonaceous heat source of the aerosol generating article received within the extinguisher.
  • the inner cup and outer cup of the dual cup configuration may be formed of similar material or different material.
  • the inner cup and outer cup may both be formed of a heat insulating material or a heat conducting (heat sink) material.
  • the inner cup may be formed of a heat conducting (heat sink) material and the outer cup may be formed of a heat insulating material, or the inner cup may be formed of a heat insulating material and the outer cup may be formed of a heat conducting (heat sink) material.
  • the inner cup has an inner diameter and an outer surface.
  • the inner cup inner diameter may be configured to receive the carbonaceous heat source.
  • a substantial portion of the inner cup outer surface may be spaced apart from the outer cup inner diameter or inner surface.
  • the inner closed end of the inner cup may be spaced apart from the outer closed end of the outer cup.
  • the inner cup open top portion may contact the outer cup open top portion.
  • a protrusion may extend from the inner surface outer cup closed end and contact the outer surface inner cup closed end. The protrusion may facilitate centering or alignment of the inner cup relative to the outer cup. Preferably, points of contact between the inner cup and the outer cup are minimized to limit or inhibit heat transfer from the inner cup to the outer cup.
  • the inner cup may be completely contained within the outer cup.
  • a void volume separates the inner cup outer surface from the outer cup inner surface.
  • the void volume may be a sealed void volume or the void volume may be in fluid communication with air outside of the extinguisher.
  • the void volume may be filled with a gas having a thermal conductivity less than the thermal conductivity of air.
  • One exemplary gas is argon.
  • the void volume may have a pressure that is less than atmospheric pressure.
  • the void volume may have a pressure of less than about 0.5 Atm, or less than about 0.25 Atm, or less than 0.1 Atm.
  • the inert gas or reduced pressure within the void volume may contribute to the heat insulating or heat containing feature of the extinguisher.
  • One or more apertures may extend through the outer cup to provide air flow between the void volume and the air outside of the extinguisher. These outer cup air flow apertures may provide heat transfer from the inner cup to the air outside of the extinguisher to cool the inner cup and combusting or just extinguished carbonaceous heat source of the aerosol generating article received within the extinguisher. If present, there are two or more, or four or more outer cup air flow apertures.
  • the extinguisher has a dual cup configuration.
  • the inner cup is formed of metallic material and the outer cup is formed of a heat insulating material.
  • the inner cup may be formed of aluminum or stainless steel and the outer cup is formed of ceramic or aerogel.
  • the inner cup is formed of a metallic material and the outer cup is a metallic material.
  • One or more air apertures may extend though the outer cup.
  • Heat conducting materials may include metal, such as stainless steel or aluminum, and the like.
  • Heat insulating materials include polymer, glass, clay, silicones, ceramic, aerogels, and the like.
  • the material forming the extinguisher may be any material that may withstand temperatures of at least about 350 degrees Celsius or at least about 500 degrees Celsius or at least about 600 degrees Celsius.
  • the inner cup may be designed to withstand a higher temperature than the outer cup.
  • the extinguisher may be configured to maintain an outer surface temperature of about 50 degrees Celsius or less, or about 40 degrees Celsius or less, or about 35 degrees Celsius or less, or about 30 degrees Celsius or less, when a combusting carbonaceous heat source is disposed therein.
  • the extinguisher is configured to maintain an outer surface temperature of about 50 degrees Celsius or less, or about 40 degrees Celsius or less.
  • the inner cup does not include air apertures.
  • both of the inner cup and outer cup of the dual cup configuration are air tight.
  • one or more air inlets may extend thorough the inner cup of the dual cup configuration and one or more air inlets may extend thorough the outer cup of the dual cup configuration.
  • This alternative configuration may improve the cooling efficiency of the dual cup configuration once the carbonaceous heat source is extinguished.
  • One or more air inlets may extend thorough both the inner cup and the outer cup of the dual cup configuration.
  • This configuration may include a restrictor element to modulate air flow through the one or more air inlets. The restrictor element may prevent air flow through the one or more air inlets.
  • the inner cup may be removable from the outer cup by the user. This may be advantageous for cleaning, for example.
  • the inner cup may be disposable and replaceable.
  • a kit may include the extinguisher described herein and one or more aerosol generating articles having a carbonaceous heat source.
  • the body of the extinguisher is configured to receive the carbonaceous heat source attached to the aerosol generating article.
  • the kit includes two or more aerosol generating articles or five or more aerosol generating articles.
  • the extinguisher may be utilized to extinguish a plurality of the aerosol generating articles in series.
  • the aerosol generating article includes a housing extending from a proximal end to a distal end.
  • the housing defines an outer surface of the aerosol generating article.
  • a carbonaceous heat source defines the distal end.
  • the mouthpiece defines the proximal end.
  • An aerosol generating substrate is disposed within the housing and between the proximal and distal end.
  • a heat conducting element may transfer heat generated by the combusting carbonaceous heat source to air flowing into the aerosol generating substrate and the aerosol generating substrate itself. The heated air and aerosol generating substrate generates an aerosol that passes through the mouthpiece to the user.
  • the carbonaceous heat source is a 'blind' carbonaceous heat source where in use combustion gas does not contact the aerosol-forming substrate or combine with the inhalation air.
  • the carbonaceous heat source is separated from the aerosol-forming substrate.
  • the term 'carbonaceous' is used to describe a combustible heat source comprising primarily carbon, such as carbon powder formed into a solid element.
  • carbonaceous heat sources for use in aerosol generating articles have a carbon content of at least about 35 percent, more preferably of at least about 40 percent, most preferably of at least about 45 percent by dry weight of the carbonaceous heat source.
  • the carbonaceous heat source may be a carbonaceous heat source comprising carbon and at least one ignition aid, as described in WO 2012/164077.
  • a carbonaceous heat source preferably includes one or more ignition aids consisting of a single element or compound that release energy upon ignition of the carbonaceous heat source.
  • carbonaceous heat sources may comprise one or more energetic materials consisting of a single element or compound that reacts exothermically with oxygen upon ignition of the carbonaceous heat sources.
  • suitable energetic materials include, but are not limited to, aluminium, iron, magnesium and zirconium.
  • Carbonaceous heat sources may comprise at least one ignition aid that releases oxygen during ignition of the carbonaceous heat sources.
  • a carbonaceous heat source may comprise one or more oxidizing agents that decompose to release oxygen upon ignition of the carbonaceous heat source.
  • Carbonaceous heat sources may comprise organic oxidizing agents, inorganic oxidizing agents, or a combination thereof.
  • carbonaceous heat sources for use with the extinguisher described herein may have an apparent density of between about 0.6 g/cm 3 and about 1 g/cm 3 .
  • the carbonaceous heat source may have a mass of between about 1 gram and about 10 grams.
  • the carbonaceous heat source is not formed from loose tobacco or tobacco material of a smoking article.
  • the carbonaceous heat source is a solid carbonaceous element that may be monolithic.
  • Carbonaceous heat sources may be formed from one or more suitable carbon- containing materials. Suitable carbon-containing materials are known in the art and include, but are not limited to, carbon powder. If desired, one or more binders may be combined with the one or more carbon containing materials. The one or more binders may be organic binders, inorganic binders or a combination thereof. Suitable known organic binders include but are not limited to: gums such as, for example, guar gum; modified celluloses and cellulose derivatives such as, for example, methyl cellulose, carboxymethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methylcellulose; wheat flour; starches; sugars; vegetable oils; and combinations thereof.
  • gums such as, for example, guar gum
  • modified celluloses and cellulose derivatives such as, for example, methyl cellulose, carboxymethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methylcellulose
  • wheat flour starches
  • sugars vegetable oils
  • Suitable known inorganic binders include, but are not limited to: clays such as, for example, bentonite and kaolinite; alumino-silicate derivatives such, for example, as cement, alkali activated alumino-silicates; alkali silicates such as, for example, sodium silicates and potassium silicates; limestone derivatives such as, for example, lime and hydrated lime; alkaline earth compounds and derivatives such as, for example, magnesia cement, magnesium sulfate, calcium sulfate, calcium phosphate and dicalcium phosphate; and aluminium compounds and derivatives such as, for example, aluminium sulphate.
  • clays such as, for example, bentonite and kaolinite
  • alumino-silicate derivatives such, for example, as cement, alkali activated alumino-silicates
  • alkali silicates such as, for example, sodium silicates and potassium silicates
  • Exemplary carbonaceous heat sources may be formed from a mixture of: carbon powder; modified cellulose, such as, for example, carboxymethyl cellulose; flour such as, for example, wheat flour; and sugar such as, for example, white crystalline sugar derived from beet. Further exemplary carbonaceous heat sources may be formed from a mixture of carbon powder, modified cellulose, such as, for example, carboxymethyl cellulose; and optionally bentonite.
  • the aerosol-forming substrate comprises at least one aerosol-former and a material capable of releasing volatile compounds in response to heating.
  • the aerosol-forming substrate may comprise other additives and ingredients including, but not limited to, humectants, flavourants, binders and mixtures thereof.
  • the aerosol-forming substrate comprises nicotine. More preferably, the aerosol-forming substrate comprises tobacco.
  • the at least one aerosol-former may be any suitable known compound or mixture of compounds that, in use, facilitates formation of a dense and stable aerosol and that is substantially resistant to thermal degradation at the operating temperature of the aerosol generating article.
  • Suitable aerosol-formers are well known in the art and include, for example, polyhydric alcohols, esters of polyhydric alcohols, such as glycerol mono-, di- or triacetate, and aliphatic esters of mono-, di- or polycarboxylic acids, such as dimethyl dodecanedioate and dimethyl tetradecanedioate.
  • Preferred aerosol formers for use in aerosol generating articles herein are polyhydric alcohols or mixtures thereof, such as triethylene glycol, 1 ,3-butanediol and, most preferred, glycerine.
  • the material capable of emitting volatile compounds in response to heating may be a charge of plant-based material.
  • the material capable of emitting volatile compounds in response to heating may be a charge of homogenized plant-based material.
  • the aerosol-forming substrate may comprise one or more materials derived from plants including, but not limited to: tobacco; tea, for example green tea; peppermint; laurel; eucalyptus; basil; sage; verbena; and tarragon.
  • the material capable of emitting volatile compounds in response to heating is a charge of tobacco-based material, most preferably a charge of homogenized tobacco-based material.
  • the aerosol-forming substrate has a mass of between about 1 gram and about 5 grams, more preferably of between about 1.5 grams and about 3 grams.
  • the aerosol generating articles that may be utilized with the extinguisher may comprise one or more air inlets around the periphery of the aerosol-forming substrate.
  • cool air is drawn into the aerosol-forming substrate through the air inlets.
  • the air drawn into the aerosol-forming substrate through the air inlets passes downstream through the aerosol-forming substrate and exits the aerosol generating articles through a mouthpiece to the consumer.
  • the carbonaceous heat source, of the aerosol generating article may combust.
  • the aerosol generating articles that may be utilized with the extinguisher may comprise a heat-conducting element around and in direct contact with both at least the carbonaceous heat source and the aerosol-forming substrate.
  • the heat-conducting element provides a thermal link between the carbonaceous heat source and the aerosol-forming substrate and advantageously helps to facilitate adequate heat transfer from the carbonaceous heat source to the aerosol-forming substrate to provide an acceptable aerosol.
  • the heat-conducting element forms at least a portion of the housing of the aerosol generating article.
  • Suitable heat- conducting elements for use herein include, but are not limited to: metal or metal foil such as, for example, aluminum foil, steel, iron foil and copper foil; and metal alloy foil.
  • upstream and downstream refer to relative positions of elements of the aerosol generating article described in relation to the direction of inhalation air flow as it is drawn through the body of the aerosol generating article from a distal portion to the mouthpiece portion.
  • FIG. 1 is a schematic diagram exploded view of an illustrative dual cup extinguisher 10.
  • FIG. 2 is a schematic diagram of a dual cup extinguisher 10.
  • FIG. 3 is a schematic diagram of an illustrative aerosol generating article 100.
  • FIG. 4 and FIG. 5 are schematic diagrams of an illustrative aerosol generating article 100 being inserted into the dual cup extinguisher 10.
  • FIG. 6 and FIG. 7 are schematic diagrams of an illustrative oval or elongated elliptical shaped extinguisher 50.
  • FIG. 8 and FIG. 9 are schematic diagrams of an illustrative aerosol generating article 100 being inserted into another illustrative dual cup extinguisher 60.
  • the extinguisher 10 may include an inner cup element 3 disposed within an outer cup element 4.
  • the outer cup element 4 may define an outer closed end 14 and an opposing outer open end 15 and an outer side wall 11 extending from the outer closed end 14 to the outer open end 15.
  • the inner cup element 3 may define an inner closed end 13 and an opposing inner open end 12 and an inner side wall 16 extending from the inner closed end 13 to the inner open end 12.
  • the inner open end 12 is configured to receive the combusting carbonaceous heat source 102 of an aerosol generating article 100.
  • a seal element 2 is circumferentially disposed about the inner surface and adjacent to the open end 12, 15.
  • the seal element 2 is configured to contact an aerosol generating article 100 downstream from the carbonaceous heat source 102.
  • the seal element 2 is configured to contact a housing 110 of an aerosol generating article 100 when containing the carbonaceous heat source 102.
  • a cover element 1 may be coupled to the body open end 12, 15 and in contact with the seal element 2. The cover element 1 may move relative to the inner cup element 3 and outer cup element 4 to compress the seal element 2 and reduce the diameter of the seal element 2 and form the air tight seal against a received aerosol generating article 100.
  • the outer closed end 14 may include a protrusion 24 that extends away from the outer closed end 14 toward the inner closed end 13 and contacts the inner closed end 13.
  • the protrusion 24 may mate with a depression 25 in the inner closed end 13 and assist in centering the inner cup element 3 with the outer cup element 4 and may help to reduce the contact surface area between the inner cup element 3 with the outer cup element 4.
  • the protrusion 24 may separate the inner cup element 3 with the outer cup element 4 a distance about equal to a height of the protrusion 24.
  • a void volume 9 is defined by the space separating the inner cup 3 from the outer cup 4.
  • an aerosol generating article 100 includes a housing 110 extending between a proximal end 111 and a distal end 112.
  • the aerosol generating article 100 includes a carbonaceous heat source 102 positioned at the distal end 112 of the aerosol generating article 100, an aerosol-forming substrate 104 downstream of the carbonaceous heat source 102 and a mouthpiece 106 downstream of the aerosol-forming substrate 104 and positioned at the proximal end 111 of the aerosol generating article 00.
  • Only the carbonaceous heat source 102 may combust during the consumption of the aerosol generating article 100.
  • the aerosol-forming substrate 104 and the housing 110 may not combust during the consumption of the aerosol generating article 100.
  • the aerosol generating article 100 may comprises an aerosol-cooling element 107, an elongate expansion chamber or transfer element 108, in sequential, abutting coaxial alignment, between the aerosol-forming substrate 104 and the mouthpiece 106.
  • the aerosol generating article 100 may not include all of these elements or may include additional elements.
  • the housing 110 may be overwrapped in an outer wrapper of cigarette paper.
  • the carbonaceous heat source 102 is cylindrical.
  • the aerosol-generating substrate 104 may be located immediately downstream of the carbonaceous heat source 102 and comprise a cylindrical plug of homogenized tobacco material comprising, for example, glycerine as aerosol former and circumscribed by filter plug wrap.
  • a heat-conducting element 114 consisting of a tube of aluminum foil for example, surrounds and is in contact with a rear portion of the carbonaceous heat source 102 and an abutting front portion of the aerosol-generating substrate 104.
  • the elongate expansion chamber 108 may be located downstream of the aerosol-generating substrate 104 and comprises a cylindrical open-ended tube of cardboard.
  • the mouthpiece 106 is located downstream of the expansion chamber 108 and comprises a cylindrical plug of cellulose acetate tow 109 circumscribed by filter plug wrap.
  • the user ignites the carbonaceous heat source which heats the aerosol-forming substrate to produce an aerosol.
  • the user inhales on the mouthpiece 106, air is drawn through the aerosol-forming substrate 104 through air inlet holes 113 in the housing 110 and adjacent to the aerosol-forming substrate 104, through the expansion chamber 108, through the mouthpiece 106 and into the consumer's mouth.
  • the carbonaceous heat source 102 may remain hot for several minutes following consumption of the aerosol-generating substrate 104.
  • the aerosol generating article 100 carbonaceous heat source 102 is directed into the open end 12, 15 of the extinguisher 10.
  • the cover element 1 may be rotated to engage the seal 2 against the aerosol generating article 100 housing 110 and form an air tight fit.
  • the housing 110 may be rigid enough to allow the seal 2 to firmly press against the housing 110 without collapsing the housing 110.
  • the extinguisher 10 may be held securely onto the aerosol generating article 100 housing 110. Once secured to the aerosol generating article 100 housing 110, the extinguisher 10 may retain or dissipate the heat generated from the carbonaceous heat source 102. Once secured to the aerosol generating article 100 housing 110, the extinguisher 10 may extinguish the carbonaceous heat source 102.
  • FIG. 6 and FIG. 7 are schematic diagrams of an illustrative oval or elongated elliptical shaped extinguisher 50.
  • FIG. 6 illustrates the elongated elliptical shaped extinguisher 50 where the threaded element 51 is rotated relative to the elongated elliptical body 54 of the elongated elliptical shaped extinguisher 50.
  • the juxtaposition between the threaded element 51 is rotated relative to the elongated elliptical body 54 provides a visual indication that the seal member is not engaged into the sealed position.
  • FIG. 6 illustrates the elongated elliptical shaped extinguisher 50 where the threaded element 51 is rotated relative to the elongated elliptical body 54 of the elongated elliptical shaped extinguisher 50.
  • the juxtaposition between the threaded element 51 is rotated relative to the elongated elliptical body 54 provides a
  • FIG. 7 illustrates an aerosol generating article 100 inserted into the elongated elliptical shaped extinguisher 50 and the threaded element 51 is rotated to align with the elongated elliptical body 54. This alignment provides a visual indication that the seal member is engaged into the sealed position.
  • FIG. 8 and FIG. 9 are schematic diagrams of an illustrative aerosol generating article 100 being inserted into another illustrative dual cup extinguisher 60.
  • the aerosol generating article 100 is directed into the open end 65 of the extinguisher 60.
  • the extinguisher 60 includes an inner cup element 63 disposed within an outer cup element 64, as described above.
  • a void volume 69 is defined by the space separating the inner cup 63 from the outer cup 64.
  • the cover element 61 may be rotated to engage the seal 62 against the aerosol generating article 100 housing 110 and form an air tight fit.
  • the extinguisher 60 may be held securely onto the aerosol generating article 100 housing 110. Once secured to the aerosol generating article 100 housing 110, the extinguisher 60 may retain or dissipate the heat generated from the carbonaceous heat source 102. Once secured to the aerosol generating article 100 housing 110, the extinguisher 60 may extinguish the carbonaceous heat source 102.

Landscapes

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

Abstract

L'invention concerne un extincteur pour un article générateur d'aérosol ayant une source de chaleur carbonée. L'extincteur comprend un corps s'étendant entre une extrémité fermée et une extrémité ouverte. Un élément d'étanchéité est disposé de manière circonférentielle autour de la surface interne et adjacent à l'extrémité ouverte, l'élément d'étanchéité ayant un diamètre intérieur dimensionné pour être scellé contre une surface externe d'un article générateur d'aérosol.
PCT/IB2017/055572 2016-09-28 2017-09-14 Extincteur pour article générateur d'aérosol WO2018060805A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16191138 2016-09-28
EP16191138.3 2016-09-28

Publications (1)

Publication Number Publication Date
WO2018060805A1 true WO2018060805A1 (fr) 2018-04-05

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Application Number Title Priority Date Filing Date
PCT/IB2017/055572 WO2018060805A1 (fr) 2016-09-28 2017-09-14 Extincteur pour article générateur d'aérosol

Country Status (1)

Country Link
WO (1) WO2018060805A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190183172A1 (en) * 2016-10-13 2019-06-20 Lloyd D. Chipman Storage tube and saver for smoking material
FR3082392A1 (fr) * 2018-06-19 2019-12-20 Arie Cohen Dispositif pour abriter les cigarettes de la pluie et du vent
CN110604343A (zh) * 2019-10-15 2019-12-24 中国科学技术大学先进技术研究院 一种抽吸装置
CN110604343B (zh) * 2019-10-15 2024-06-11 中国科学技术大学先进技术研究院 一种抽吸装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB634841A (en) * 1948-03-11 1950-03-29 Percy Waterman Pitt Improvements in or relating to extinguishers for cigarettes and cigars
FR1451196A (fr) * 1963-06-28 1966-11-07 Appareil destiné à l'extinction des cigarettes
NL1012627C2 (nl) * 1999-07-16 2001-01-17 Peter Peereboom Doofinrichting en asbak met een dergelijke doofinrichting.
WO2009022232A2 (fr) 2007-08-10 2009-02-19 Philip Morris Products S.A. Article à fumer à base de distillation
WO2012164077A1 (fr) 2011-06-02 2012-12-06 Philip Morris Products S.A. Source de chaleur combustible pour article à fumer
WO2014122200A1 (fr) * 2013-02-06 2014-08-14 Philip Morris Products S.A. Extincteur pour article à fumer
WO2015189416A2 (fr) * 2014-06-12 2015-12-17 Philip Morris Products S.A. Extincteur pour article à fumer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB634841A (en) * 1948-03-11 1950-03-29 Percy Waterman Pitt Improvements in or relating to extinguishers for cigarettes and cigars
FR1451196A (fr) * 1963-06-28 1966-11-07 Appareil destiné à l'extinction des cigarettes
NL1012627C2 (nl) * 1999-07-16 2001-01-17 Peter Peereboom Doofinrichting en asbak met een dergelijke doofinrichting.
WO2009022232A2 (fr) 2007-08-10 2009-02-19 Philip Morris Products S.A. Article à fumer à base de distillation
WO2012164077A1 (fr) 2011-06-02 2012-12-06 Philip Morris Products S.A. Source de chaleur combustible pour article à fumer
WO2014122200A1 (fr) * 2013-02-06 2014-08-14 Philip Morris Products S.A. Extincteur pour article à fumer
WO2015189416A2 (fr) * 2014-06-12 2015-12-17 Philip Morris Products S.A. Extincteur pour article à fumer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190183172A1 (en) * 2016-10-13 2019-06-20 Lloyd D. Chipman Storage tube and saver for smoking material
US10888114B2 (en) * 2016-10-13 2021-01-12 Lloyd D. Chipman Storage tube and saver for smoking material
FR3082392A1 (fr) * 2018-06-19 2019-12-20 Arie Cohen Dispositif pour abriter les cigarettes de la pluie et du vent
CN110604343A (zh) * 2019-10-15 2019-12-24 中国科学技术大学先进技术研究院 一种抽吸装置
CN110604343B (zh) * 2019-10-15 2024-06-11 中国科学技术大学先进技术研究院 一种抽吸装置

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