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WO2020089081A1 - Consommable de substitution à l'acte de fumer - Google Patents

Consommable de substitution à l'acte de fumer Download PDF

Info

Publication number
WO2020089081A1
WO2020089081A1 PCT/EP2019/079186 EP2019079186W WO2020089081A1 WO 2020089081 A1 WO2020089081 A1 WO 2020089081A1 EP 2019079186 W EP2019079186 W EP 2019079186W WO 2020089081 A1 WO2020089081 A1 WO 2020089081A1
Authority
WO
WIPO (PCT)
Prior art keywords
article
aerosol
tobacco
filter
upstream
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/EP2019/079186
Other languages
English (en)
Inventor
Chris Lord
Kate FERRIE
Edward Ross SHENTON
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.)
Nerudia Ltd
Original Assignee
Nerudia 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 Nerudia Ltd filed Critical Nerudia Ltd
Publication of WO2020089081A1 publication Critical patent/WO2020089081A1/fr
Priority to US17/243,264 priority Critical patent/US20210244077A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure

Definitions

  • the present disclosure relates to a consumable for use in a smoking substitute system and particularly, although not exclusively, to a heat-not-burn (HNB) consumable.
  • HNB heat-not-burn
  • the smoking of tobacco is generally considered to expose a smoker to potentially harmful substances. It is generally thought that a significant amount of the potentially harmful substances are generated through the heat caused by the burning and/or combustion of the tobacco and the constituents of the burnt tobacco in the tobacco smoke itself.
  • Conventional combustible smoking articles such as cigarettes, typically comprise a cylindrical rod of tobacco comprising shreds of tobacco which is surrounded by a wrapper, and usually also a cylindrical filter axially aligned in an abutting relationship with the wrapped tobacco rod.
  • the filter typically comprises a filtration material which is circumscribed by a plug wrap.
  • the wrapped tobacco rod and the filter are joined together by a wrapped band of tipping paper that circumscribes the entire length of the filter and an adjacent portion of the wrapped tobacco rod.
  • a conventional cigarette of this type is used by lighting the end opposite to the filter, and burning the tobacco rod. The smoker receives mainstream smoke into their mouth by drawing on the mouth end or filter end of the cigarette.
  • Such smoking substitute systems can form part of nicotine replacement therapies aimed at people who wish to stop smoking and overcome a dependence on nicotine.
  • Smoking substitute systems include electronic systems that permit a user to simulate the act of smoking by producing an aerosol (also referred to as a“vapour”) that is drawn into the lungs through the mouth (inhaled) and then exhaled.
  • aerosol also referred to as a“vapour”
  • the inhaled aerosol typically bears nicotine and/or flavourings without, or with fewer of, the odour and health risks associated with traditional smoking.
  • smoking substitute systems are intended to provide a substitute for the rituals of smoking, whilst providing the user with a similar experience and satisfaction to those experienced with traditional smoking and with combustible tobacco products.
  • Some smoking substitute systems use smoking substitute articles that are designed to resemble a traditional cigarette and are cylindrical in form with a mouthpiece at one end.
  • HNB heat not burn
  • a typical HNB smoking substitute system may include a device and a consumable.
  • the consumable may include the tobacco material.
  • the device and consumable may be configured to be physically coupled together.
  • heat may be imparted to the tobacco material by a heating element of the device, wherein airflow through the tobacco material causes moisture in the tobacco material to be released as vapour.
  • a vapour may also be formed from a carrier in the tobacco material (this carrier may for example include propylene glycol and/or vegetable glycerine) and additionally volatile compounds released from the tobacco. The released vapour may be entrained in the airflow drawn through the tobacco.
  • the vapour passes through the consumable (entrained in the airflow) from an inlet to a mouthpiece (outlet), the vapour cools and condenses to form an aerosol for inhalation by the user.
  • the aerosol will normally contain the volatile compounds.
  • HNB smoking substitute systems heating as opposed to burning the tobacco material is believed to cause fewer, or smaller quantities, of the more harmful compounds ordinarily produced during smoking. Consequently, the HNB approach may reduce the odour and/or health risks that can arise through the burning, combustion and pyrolytic degradation of tobacco.
  • the aerosol passing from the mouthpiece may not be in a desirable state.
  • an aerosol-forming article e.g. a smoking substitute article such as an HNB consumable having an axial bore extending from an aerosol-forming substrate to the downstream axial and of the article.
  • an aerosol-forming article e.g. a smoking substitute article such as an HNB consumable
  • a filter element having a hollow bore extending from the downstream axial end of the substrate to the downstream axial end of the article.
  • the axial bore extending from the downstream axial end of the substrate to the axial downstream (mouth) end of the article provides a space for mixing and cooling of the vapour/aerosol generated by heating of the substrate and also provides passage of low resistance to help reduce condensation and maximise visible vapour.
  • the aerosol-forming article is preferably a heat-not-burn (HNB) consumable.
  • HNB heat-not-burn
  • the aerosol-forming substrate is capable of being heated to release at least one volatile compound that can form an aerosol.
  • the aerosol-forming substrate may be located at the upstream end of the article/consumable.
  • the terms’’’upstream” and“downstream” are intended to refer to the flow direction of the vapour/aerosol i.e. with the downstream end of the article/consumable being the mouth end or outlet where the aerosol exits the article/consumable for inhalation by the user.
  • the upstream end of the article/consumable is the opposing end to the downstream end.
  • the aerosol-forming substrate comprises at least one volatile compound that is intended to be vaporised/aerosolised and that may provide the user with a recreational and/or medicinal effect when inhaled.
  • Suitable chemical and/or physiologically active volatile compounds include the group consisting of: nicotine, cocaine, caffeine, opiates and opoids, cathine and cathinone, kavalactones, mysticin, beta-carboline alkaloids, salvinorin A together with any combinations, functional equivalents to, and/or synthetic alternatives of the foregoing.
  • the aerosol-forming substrate may comprise plant material.
  • the plant material may comprise least one plant material selected from the list including Amaranthus dubius, Arctostaphylos uva-ursi (Bearberry), Argemone mexicana, Arnica, Artemisia vulgaris, Yellow Tees, Galea zacatechichi, Canavalia maritima (Baybean), Cecropia mexicana (Guamura), Oestrum noctumum, Cynoglossum virginianum (wild comfrey), Cytisus scoparius, Damiana, Entada rheedii, Eschscholzia califomica (California Poppy), Fittonia albivenis, Hippobroma longi flora, Humulus japonica (Japanese Hops), Humulus lupulus (Hops), Lactuca virosa (Lettuce Opium), Laggera alata, Leono
  • the plant material is tobacco.
  • Any type of tobacco may be used. This includes, but is not limited to, flue-cured tobacco, burley tobacco, Maryland Tobacco, dark-air cured tobacco, oriental tobacco, dark-fired tobacco, perique tobacco and rustica tobacco. This also includes blends of the above mentioned tobaccos.
  • any suitable parts of the tobacco plant may be used. This includes leaves, stems, roots, bark, seeds and flowers.
  • the tobacco may comprise one or more of leaf tobacco, stem tobacco, tobacco powder, tobacco dust, tobacco derivatives, expanded tobacco, homogenised tobacco, shredded tobacco, extruded tobacco, cut rag tobacco and/or reconstituted tobacco (e.g. slurry recon or paper recon).
  • the aerosol-forming substrate may comprise a gathered sheet of homogenised (e.g. paper/slurry recon) tobacco or gathered shreds/strips formed from such a sheet.
  • homogenised e.g. paper/slurry recon
  • the sheet used to form the aerosol-forming substrate has a grammage greater than or equal to 100 g/m 2 , e.g. greater than or equal to 1 10 g/m 2 such as greater than or equal to 120 g/m 2 .
  • the sheet may have a grammage of less than or equal to 300 g/m 2 e.g. less than or equal to 250 g/m 2 or less than or equal to 200 g/m 2 .
  • the sheet may have a grammage of between 120 and 190 g/m 2 .
  • the aerosol-forming substrate may comprise at least 50 wt% plant material, e.g. at least 60 wt% plant material e.g. around 65 wt% plant material.
  • the aerosol-forming substrate may comprise 80 wt% or less plant material e.g. 75 or 70 wt% or less plant material.
  • the aerosol-forming substrate may comprise one or more additives selected from humectants, flavourants, fillers, aqueous/non-aqueous solvents and binders.
  • Humectants are provided as vapour generators - the resulting vapour helps carry the volatile active compounds and increases visible vapour.
  • Suitable humectants include polyhydric alcohols (e.g. propylene glycol (PG), triethylene glycol, 1 ,2-butane diol and vegetable glycerine (VG)) and their esters (e.g. glycerol mono-, di- or tri-acetate). They may be present in the aerosol-forming substrate in an amount between 1 and 50 wt%.
  • the humectant content of the aerosol-forming substrate may have a lower limit of at least 1 % by weight of the plant material, such as at least 2 wt %, such as at least 5 wt %, such as at least 10 wt %, such as at least 20 wt %, such as at least 30 wt %, or such as least 40 wt %.
  • the humectant content of the aerosol-forming substrate may have an upper limit of at most 50 % by weight of the plant material, such as at most 40 wt %, such as at most 30 wt %, or such as at most 20 wt %.
  • the humectant content is 1 to 40 wt % of the aerosol-forming substrate, such as 1 to 20 wt %
  • Binders may comprise starches and/or cellulosic binders such as methyl cellulose, ethyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose and methyl cellulose, gums such as xanthan, guar, arabic and/or locust bean gum, organic acids and their salts such as alginic acid/ sodium alginate, agar and pectins.
  • the binder content is 5 to 10 wt% of the aerosol-forming substrate e.g. around 6 to 8 wt%.
  • Suitable fillers are known in the art and may act to strengthen the aerosol-forming substrate.
  • Fillers may comprise fibrous (non-tobacco) fillers such as cellulose fibres, lig nocellulose fibres (e.g. wood fibres), jute fibres and combinations thereof.
  • the filler content is 5 to 10 wt% of the aerosol-forming substrate e.g. around 6 to 9 wt%.
  • the aerosol-forming substrate may comprise an aqueous and/or non-aqueous solvent.
  • the aerosol forming substrate has a water content of between 5 and 10 wt% e.g. between 6-9 wt% such as between 7-9 wt%.
  • the f!avourant may be provided in solid or liquid form. It may include menthol, liquorice, chocolate, fruit flavour (including e.g. citrus, cherry etc.), vanilla, spice (e.g. ginger, cinnamon) and tobacco flavour.
  • the flavourant may be evenly dispersed throughout the aerosol-forming substrate or may be provided in isolated locations and/or varying concentrations throughout the aerosol-forming substrate.
  • the aerosol-forming substrate may be formed in a substantially cylindrical shape such that the article/consumable resembles a conventional cigarette. It may have a diameter of between 5 and 10mm e.g. between 6 and 9mm or 6 and 8mm e.g. around 7 mm. It may have an axial length of between 10 and 15mm e.g. between 1 1 and 14mm such as around 12 or 13mm.
  • the aerosol-forming substrate may be at least partly circumscribed by a wrapping layer e.g. a paper wrapping layer.
  • the wrapping layer may overlie an inner foil layer or may comprise a paper/foil laminate (with the foil innermost).
  • the article/consumable comprises a filter element extending from the downstream axial end of the substrate to the downstream axial end of the article.
  • the filter element may be at least partly (e.g. entirely) circumscribed by the (paper) wrapping layer.
  • the filter element may be comprised of cellulose acetate or polypropylene tow.
  • the filter element may be comprised of activated charcoal.
  • the filter element may be comprised of paper.
  • the filter element may be comprised of plant material e.g. extruded plant material.
  • the filter element may be circumscribed with a plug wrap e.g. a paper plug wrap (which will itself be circumscribed by the wrapping layer).
  • the filter element may have a substantially cylindrical shape with a diameter substantially matching the diameter of the aerosol-forming substrate (i.e. between 5 and 10mm e.g. between 6 and 9mm or 6 and 8mm e.g. around 7 mm).
  • the axial length of the filter element may be less than 50 mm and greater than 20 mm, e.g. between 25 and 45 mm, for example between 30 and 40 mm e.g. between 33 and 38 mm, such as around 36mm.
  • the hollow bore through the filter element may be uniform along its axial length with a bore diameter of between 1 and 5 mm, e.g. between 2 and 4 mm or between 2 and 3 mm.
  • the hollow bore through the filter element may vary along the axial length.
  • the filter element comprises a plurality of portions wherein at least one of the portions has a different bore diameter than the other filter portions.
  • the portions are unified to form the unitary filter element.
  • the bore diameter of the upstream filter portion is greater than the bore diameter of the terminal filter portion.
  • the upstream filter portion may have a bore diameter that is 0.5 mm or more, or 1 mm or more than the bore diameter of the terminal filter portion.
  • the upstream filter portion may have a bore diameter of between 3 and 5 mm.
  • the terminal filter portion may have a bore diameter of between 1 and 2 mm.
  • the bore diameter of the upstream and terminal filter portions may be equal.
  • the diameter of the bore within the intermediate portion is preferably larger than the diameter in both the upstream and terminal filter portions.
  • the bore diameter within the intermediate portion may be greater than 3 or 4 or 5 mm. For example, it may be between 5 and 7 mm or 6 and 7mm.
  • the filter portions may each have a substantially equal axial length, e.g. between 8 and 15 mm, or 9 and 13 mm, e.g. between 10 and 12 mm.
  • the intermediate filter portion have a longer axial length e.g. between 10 and 15mm e.g. between 12 and 14 mm or 13 and 14mm e.g. around 14mm.
  • a smoking substitute system comprising an aerosol-forming article according to the first aspect and a device comprising a heating element.
  • the device may be a HNB device i.e. a device adapted to heat but not combust the aerosol-forming substrate.
  • the device may comprise a main body for housing the heating element.
  • the heating element may comprise an elongated e.g. rod, tube-shaped or blade heating element.
  • the heating element may project into or surround a cavity within the main body for receiving the article/consumable described above.
  • the device e.g. the main body
  • an electrical power supply e.g. a (rechargeable) battery for powering the heating element.
  • It may further comprise a control unit to control the supply of power to the heating element.
  • a smoking substitute system comprising:
  • the method comprises inserting the article/consumable into a cavity within the main body and penetrating the article/consumable with the heating element upon insertion of the article/consumable.
  • the heating element may penetrate the aerosol-forming substrate in the article/consumable.
  • Figure 1 shows a first embodiment of an HNB consumable
  • FIG. 2 shows a second embodiment of an HNB consumable
  • Figure 3 shows a third embodiment of an HNB consumable
  • Figure 4 shows the first embodiment within a device forming an HNB system.
  • the HNB consumable 1 comprises an aerosol-forming substrate 2 at the upstream end 6 of the consumable 1.
  • the aerosol-forming substrate comprises reconstituted tobacco which includes nicotine as a volatile compound.
  • the aerosol-forming substrate 2 comprises 65 wt% tobacco which is provided in the form of gathered shreds produced from a sheet of slurry/paper recon tobacco.
  • the tobacco is dosed with 20wt% of a humectant such as propylene glycol (PG) or vegetable glycerine (VG) and has a moisture content of between 7-9 wt%.
  • a humectant such as propylene glycol (PG) or vegetable glycerine (VG) and has a moisture content of between 7-9 wt%.
  • the aerosol-forming substrate further comprises cellulose pulp filler and guar gum binder.
  • the aerosol-forming substrate 2 is formed in a substantially cylindrical shape such that the consumable resembles a conventional cigarette. It has diameter of around 7 mm and an axial length of around 12 mm.
  • the consumable further comprises a filter element 4 formed of cellulose acetate tow and having an axial length of around 36 mm.
  • the filter element has a substantially cylindrical shape with diameter of the filter element 4 matching the diameter of the aerosol-forming substrate 2.
  • the aerosol-forming substrate 2 and filter element 4 is circumscribed by a paper wrapping layer 3.
  • FIG 2 shows a second embodiment of a consumable T which is the same as that shown in Figure 1 except that the filter element comprises an upstream filter portion 4a having an axial length of 10mm and bore 5a diameter of 3 mm, an intermediate filter portion 4b having an axial length of 14 mm and a bore 5b diameter of 5 mm and a terminal filter portion 4c having an axial length of 12mm and a bore 5c diameter of 3 mm.
  • the filter element comprises an upstream filter portion 4a having an axial length of 10mm and bore 5a diameter of 3 mm, an intermediate filter portion 4b having an axial length of 14 mm and a bore 5b diameter of 5 mm and a terminal filter portion 4c having an axial length of 12mm and a bore 5c diameter of 3 mm.
  • Figure 3 shows a third embodiment of a consumable 1” which is the same as the second embodiment bore 5a in the upstream filter portion 4a has a greater diameter (3mm) than the bore 5c in the terminal filter portion 4c.
  • Figure 4 shows the first embodiment inserted into an HNB device 10 comprising a rod-shaped heating element 20.
  • the heating element 20 projects into a cavity 1 1 within the main body 12 of the device.
  • the consumable 1 is inserted into the cavity 1 1 of the main body 12 of the device 10 such that the heating rod 20 penetrates the aerosol-forming substrate 2.
  • Heating of the reconstituted tobacco in the aerosolforming substrate 2 is effected by powering the heating element (e.g. with a rechargeable battery (not shown)).
  • the heating element e.g. with a rechargeable battery (not shown)
  • moisture and volatile compound e.g. nicotine
  • the humectant are released as a vapour and entrained within an airflow generated by inhalation by the user at the upstream axial end 8 of the consumable.
  • the axial bore 5 extending from the downstream axial end 7 of the substrate to the axial downstream (mouth) end 8 of the article provides a space for mixing and cooling of the vapour/aerosol generated by heating of the substrate and also provides passage of low resistance to help reduce condensation and maximise visible vapour.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

La présente invention concerne un article de formation d'aérosol comprenant : un substrat de formation d'aérosol (2) ; et un élément filtrant (4) ayant un alésage creux (5) s'étendant de l'extrémité axiale aval du substrat à l'extrémité axiale aval de l'article.
PCT/EP2019/079186 2018-10-29 2019-10-25 Consommable de substitution à l'acte de fumer Ceased WO2020089081A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/243,264 US20210244077A1 (en) 2018-10-29 2021-04-28 Smoking Substitute Consumable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1817578.6A GB201817578D0 (en) 2018-10-29 2018-10-29 Smoking substitute consumable
GB1817578.6 2018-10-29

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/079187 Continuation WO2020089082A1 (fr) 2018-10-29 2019-10-25 Consommable de substitution pour fumeur

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/243,264 Continuation US20210244077A1 (en) 2018-10-29 2021-04-28 Smoking Substitute Consumable

Publications (1)

Publication Number Publication Date
WO2020089081A1 true WO2020089081A1 (fr) 2020-05-07

Family

ID=64560397

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/079186 Ceased WO2020089081A1 (fr) 2018-10-29 2019-10-25 Consommable de substitution à l'acte de fumer

Country Status (2)

Country Link
GB (1) GB201817578D0 (fr)
WO (1) WO2020089081A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023544040A (ja) * 2020-10-09 2023-10-19 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 前部端プラグ付きエアロゾル発生物品
JP2023545973A (ja) * 2020-10-09 2023-11-01 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 低密度基体を有するエアロゾル発生物品

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242925A (en) * 1960-02-15 1966-03-29 Thomas A Sterne Cigarette manufacture
WO2015166245A2 (fr) * 2014-04-30 2015-11-05 British American Tobacco (Investments) Limited Élément de refroidissement d'aérosol et agencements à utiliser avec un appareil de chauffage d'un matériau à fumer
CN106954893A (zh) * 2017-05-09 2017-07-18 云南中烟新材料科技有限公司 一种四元复合的电加热不燃烧烟支
WO2017207586A1 (fr) * 2016-05-31 2017-12-07 Philip Morris Products S.A. Système de génération d'aérosol comprenant un article de génération d'aérosol chauffé
CN107536100A (zh) * 2017-09-26 2018-01-05 南通鑫源实业有限公司 一种具有腔体式容器段的加热不燃烧卷烟
CN108185517A (zh) * 2017-12-18 2018-06-22 云南中烟工业有限责任公司 一种用于加热不燃烧卷烟的新型烟支

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242925A (en) * 1960-02-15 1966-03-29 Thomas A Sterne Cigarette manufacture
WO2015166245A2 (fr) * 2014-04-30 2015-11-05 British American Tobacco (Investments) Limited Élément de refroidissement d'aérosol et agencements à utiliser avec un appareil de chauffage d'un matériau à fumer
WO2017207586A1 (fr) * 2016-05-31 2017-12-07 Philip Morris Products S.A. Système de génération d'aérosol comprenant un article de génération d'aérosol chauffé
CN106954893A (zh) * 2017-05-09 2017-07-18 云南中烟新材料科技有限公司 一种四元复合的电加热不燃烧烟支
CN107536100A (zh) * 2017-09-26 2018-01-05 南通鑫源实业有限公司 一种具有腔体式容器段的加热不燃烧卷烟
CN108185517A (zh) * 2017-12-18 2018-06-22 云南中烟工业有限责任公司 一种用于加热不燃烧卷烟的新型烟支

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023544040A (ja) * 2020-10-09 2023-10-19 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 前部端プラグ付きエアロゾル発生物品
JP2023545973A (ja) * 2020-10-09 2023-11-01 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 低密度基体を有するエアロゾル発生物品

Also Published As

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