WO2012016795A1 - Article à fumer - Google Patents

Article à fumer Download PDF

Info

Publication number
WO2012016795A1
WO2012016795A1 PCT/EP2011/061673 EP2011061673W WO2012016795A1 WO 2012016795 A1 WO2012016795 A1 WO 2012016795A1 EP 2011061673 W EP2011061673 W EP 2011061673W WO 2012016795 A1 WO2012016795 A1 WO 2012016795A1
Authority
WO
WIPO (PCT)
Prior art keywords
rod
smoking article
inner rod
wrapper
tobacco
Prior art date
Application number
PCT/EP2011/061673
Other languages
English (en)
Inventor
Tom Woodman
Garrick Thorn
Original Assignee
British American Tobacco (Investments) Limited
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 British American Tobacco (Investments) Limited filed Critical British American Tobacco (Investments) Limited
Priority to EP11735834.1A priority Critical patent/EP2600742A1/fr
Priority to US13/814,936 priority patent/US20140076337A1/en
Publication of WO2012016795A1 publication Critical patent/WO2012016795A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • 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
    • A24D1/22—Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources

Definitions

  • the present invention relates to a smoking article, for example a Heat-Not-Burn (HNB) device.
  • HNB Heat-Not-Burn
  • HNB Heat-Not-Burn
  • HNB technology generates an aerosol by heating rather than burning tobacco and/or other smoking materials.
  • Examples of coaxial HNB cigarettes are known from US Publication No. US 2005/0066985 and US Patent No. 5,265,626.
  • a disadvantage of known HNB products, for example PremierTM and EclipseTM introduced by RJ Reynolds Tobacco Company is that they do not provide a similar user experience to conventional tobacco burning cigarettes. For example, the above HNB products look, feel and taste different to conventional cigarettes. Summary
  • a smoking article comprising: an inner rod of aerosol generating material; a inner wrapper, circumscribing the inner rod; and a combustible outer rod circumscribing the inner wrapper, wherein combustion of the outer rod is arranged to heat the inner rod to generate an aerosol for delivery through the inner rod.
  • the aerosol is generated through heating but not burning the inner rod.
  • combustion of the outer rod provides a visual indictor of consumption to the user.
  • the inner wrapper is substantially non-flammable. This can help prevent combustion of the inner rod.
  • the inner wrapper may be substantially non-permeable.
  • the smoking article comprises a central low impedance path which is surrounded by a high impedance path.
  • the outer rod is of a higher density than the inner rod creating a pressure drop to control airflow through the inner rod.
  • the smoking article further comprises a filter arranged to create a pressure drop by having portions of varying density in the filter to control airflow through the inner rod.
  • the inner wrapper may comprise bands, spaced along the length of the inner wrapper, wherein the bands are arranged to enable the inner rod to break and be disposed of along with ash from the outer rod.
  • the inner rod can have break portions, spaced along the length of the inner rod, the break portions becoming brittle when heated to enable the inner rod to break and be disposed of along with ash from the outer rod.
  • the aerosol generating material and/ or the combustible material of the outer rod is tobacco or a tobacco substitute.
  • the aerosol generating material can include additives, including humectants, and may be substantially non-combustible.
  • humectants may i) prevent or arrest combustion of the inner rod, ii) contribute to the flavour and sensory experience for the consumer, and iii) prevent the aerosol generating material from drying out.
  • the invention also includes a method of manufacturing a smoking article described above. Brief description of the drawings
  • Figure la is a perspective view of a coaxial smoking article showing internal features of a body of the smoking article, including an inner rod and inner wrapper, in dashed lines.
  • Figure lb is transverse cross-sectional view of the body of coaxial smoking article of Figure 1 ;
  • Figure 2 is a longitudinal cross-sectional view of the coaxial smoking article of Figure 1 , showing an expanded view of a coaxial rod arrangement of the body;
  • Figure 3a is the longitudinal cross-sectional view of Figure 2, showing an expanded view of a filter arrangement for the smoking article;
  • Figure 3b is the longitudinal cross-sectional view of Figure 2, showing an expanded view of an alternative filter arrangement to that of Figure 3a;
  • Figure 4 is a longitudinal cross-sectional view of the coaxial smoking article of Figure 1 , part way though consumption.
  • Figures la, lb and 2 show a coaxial smoking article 1, referred to hereinafter as a cigarette, that has a body 2 and a filter 4.
  • the body 2 of the cigarette is of coaxial construction and has an inner rod 6, an inner wrapper 8, an outer rod 10 and an outer wrapper 12.
  • the inner rod 6 of the coaxial arrangement contains tobacco or a tobacco substitute.
  • the inner rod 6 is heated during use to cause volatilisation of low boiling point components within the product, while avoiding pyrolysis or combustion of the tobacco or volatiles. This volatilisation leads to the creation of a vapour which is drawn through the cigarette 1 and is then condensed into an aerosol and inhaled by the consumer.
  • the volatilised components include water, nicotine, humectants and light volatile s.
  • the inner rod 6 preferably contains a blend of tobacco or tobacco substitute which has been specifically formulated for the coaxial HNB cigarette although existing tobacco blends or tobacco substitutes may be used for the inner rod 6.
  • the tobacco blend of one embodiment may include additives which are included to enhance the sensorial attributes of the aerosol.
  • additives such as propylene glycol, glycerol or triacetin may be added to the tobacco blend.
  • the inner rod 6 may also contain tobacco substitutes such as Baltec, Fibex or recon sheet or paper.
  • the blend of tobacco or tobacco substitutes used in the inner rod 6 is chosen to prevent or impede combustion of the inner rod 6.
  • the blend is high in humectants to fulfil this function of preventing or impeding combustion.
  • Humectants have an additional benefit of enhancing the aerosol produced by the inner rod 6 when heated which in turn may improve the sensory experience of the HNB cigarette of the present embodiment.
  • High levels of humectants in the inner rod 6 may completely prevent combustion of the inner rod 6.
  • Humectants when added to the tobacco or tobacco substitute have a further benefit of preventing the tobacco from becoming too dry.
  • the inner rod 6 is circumscribed by the inner wrapper 8, as shown in Figures la, lb and 2.
  • the inner wrapper 8 is a non-permeable or semi-permeable material, which prevents or impedes gas or vapours from being drawn into the inner rod 6 along the length of the cigarette.
  • the inner wrapper 8 of one embodiment is non-flammable, or is of sufficiently low flammability to prevent or arrest combustion of the inner rod 6.
  • the inner wrapper of one embodiment is a cigarette paper having the one or more of the above properties.
  • the inner rod 6 and inner wrapper 8 are circumscribed by the outer rod 10, as shown in Figures la and lb.
  • the outer rod 10 comprises a combustible material, such as tobacco or a tobacco substitute, which is combusted during use.
  • the outer rod 10 is circumscribed by the outer wrapper 12.
  • the outer wrapper 12 is a conventional cigarette paper.
  • inner rod 6, inner wrapper 8, outer rod 10 and outer wrapper 12 may be achieved through conventional coaxial cigarette manufacturing technology and is not discussed herein in any further detail.
  • the filter 4 is situated at the mouth end of the cigarette. During use, air from the body 2 of the cigarette 1 is drawn into the consumer's mouth through the filter 4.
  • the filter 4 is made of cellulose acetate.
  • the filter 4 can be designed to control the airflow through the cigarette 1 as the consumer inhales through the cigarette 1.
  • airflow, depicted by arrow 14, through the body 2 of the cigarette 1 is through the inner rod 6 only, such that no airflow or aerosol is derived from the
  • a major airflow, depicted by arrow 16 is through the inner rod 6, while a minimal airflow, depicted by arrows 18, is drawn from the combustible outer rod 10.
  • arrows 18 is drawn from the combustible outer rod 10.
  • the majority of the aerosol drawn into the consumer's mouth is derived from the inner rod 6. This is because the smoking article has a low- impedance path which is surrounded by a high-impedance path.
  • control of the airflow 14, 16, 18 is achieved by developing a pressure drop between the inner rod 6 and outer rod 10, such that the airflow through the cigarette 1 flows through the inner rod 6 by following the path of least resistance.
  • the pressure drop can be manipulated as a result of different densities of the materials used in the inner rod 6 and the outer rod 10. For example, when the inner rod 6 has a lower density than an outer rod 10, airflow through the inner rod 6 is at a higher rate than through the outer rod 10.
  • the filter 4 is also arranged to provide the desired pressure drop. As shown in Figures 3a and 3b, the filter 4 has a central portion 20 and an outer portion 22 of different densities. As such, airflow through the central portion 20 is greater than through the outer portion 22 because the central portion 20 has a lower density than the outer portion 22.
  • the low-impedance and high impedance paths may be generated as a result of the different densities of the inner and outer rods and/ or as a result of the above filter arrangement.
  • a person skilled in the art will be able to envisage a number of potential filter arrangements which will enable development of a pressure drop.
  • One such arrangement shown in Figures 3a and 3b, comprises a substantially cylindrical filter portion, as the central portion 20, having a tapered end closest to the body of the cigarette.
  • the tapered end of the central portion is arranged to fit against a recess in a filter ring, being the outer portion 22, which abuts the body 2 of the coaxial cigarette 1.
  • the outer portion/ring 22 may be integrally formed in the filter and arranged to have a higher density than the central portion 20 during manufacturing of the filter web.
  • the pressure drop of the inner rod 6, outer rod 10 and filter 8 arrangement is manipulated to maximise the flow down the inner rod 6.
  • Ventilation in the filter 4 or in the body 2 of the cigarette 1 may increase the rate of airflow though the inner rod 6 to ensure a suitable aerosol is delivered to the consumer.
  • Such ventilation may be facilitated by providing perforations in tipping paper and plug wrap circumscribing the filter, in the outer wrapper, and/ or in the inner wrapper.
  • a consumer lights a tip end 30 of the cigarette using conventional lighting means such as a match or a cigarette lighter.
  • the lighting means applied to the tip end 30 causes the outer rod 10 at the tip end and the surrounding outer wrapper 12 to start to combust.
  • the inner rod 6 will either fail to combust, or if combustion does commence, the inner rod 6 will not continue to combust.
  • the blend of tobacco or tobacco substitute in the inner rod 6 is designed to arrest or prevent combustion of the inner rod 6.
  • Combustion of the outer rod 10 provides heat to the inner rod 6 which in turn volatises nicotine and flavour components from the inner rod tobacco or tobacco substitute without combustion of the inner rod 6.
  • the volatiles are transported through the inner rod 6, from the tip end and are inhaled by the consumer through the filter 4.
  • Combustion of the outer rod 10 happens gradually from the tip end 30 toward the filter 4. Combustion happens at a particular burn rate to ensure that the aerosol, including nicotine and flavour components, is delivered to the consumer throughout consumption.
  • FIG 4 shows the cigarette 1 part way through consumption.
  • an ash portion 34 of the outer rod has already combusted and has turned to ash, and a combusting portion 36 of the outer rod 10 is in the process of combusting.
  • Heat from this combusting portion 36 is transferred through the inner wrapper 8 to heat a corresponding portion 38 of the inner rod 6.
  • this corresponding portion 38 of the inner rod 6 reaches a volatising temperature
  • the corresponding portion 38 of the inner rod generates the aerosol, as described above, which is inhaled through the inner rod 6 into the consumer's mouth.
  • the heat transfer is through conduction as shown by the arrows 40 in Figure 4.
  • a distal end 42 of the combusting portion 36 turns to ash, while heat from the combusting portion 36 causes the outer rod 10 to continue to combust.
  • heat from the portion 36 of the outer rod which is in the process of combusting travels along the length of the cigarette from the tip end 30 toward the filter 4.
  • heat from the corresponding portion 38 of the inner rod also travels toward the filter as the outer rod 10 is combusted, ensuring that the inner rod 6 delivers the aerosol throughout the smoking process.
  • Ash from the ash portion 34 of the outer rod 10 may naturally fall from the cigarette 1.
  • this provides a visual indicator of consumption to the consumer.
  • the inner rod 6 is banded with break portions, along the length of the cigarette.
  • the break portions become brittle when heated, and are arranged to cause the inner rod 6 to break so that used portions of the inner rod (i.e. portions which have been heated and volatised) may be disposed of along with the ash from the outer rod.
  • the inner wrapper 8 is banded with inflammable bands which are spaced along the length of the cigarette 1. These bands help to cause breakage of the inner rod 6 so that used portions of the inner rod may be disposed of along with the ash from the outer rod.
  • features of conventional cigarettes may also be included in the cigarette 1, such features including conventional outer cigarette paper, plugwrap, tipping paper and suitable ventilation.
  • additives other than humectants may be used on the tobacco to enhance the aerosol and/ or to prevent or impede combustion of the inner rod.

Landscapes

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

Abstract

La présente invention concerne un article à fumer qui comprend : une tige intérieure de matériau de génération d'aérosol; une cape intérieure qui entoure la tige intérieure; et une tige extérieure combustible qui entoure la cape intérieure, la combustion de la tige extérieure étant conçue pour chauffer la tige intérieure pour générer un aérosol destiné à être distribué à travers la tige intérieure.
PCT/EP2011/061673 2010-08-04 2011-07-08 Article à fumer WO2012016795A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11735834.1A EP2600742A1 (fr) 2010-08-04 2011-07-08 Article à fumer
US13/814,936 US20140076337A1 (en) 2010-08-04 2011-07-08 Smoking Article

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1013072.2A GB201013072D0 (en) 2010-08-04 2010-08-04 Smoking article
GB1013072.2 2010-08-04

Publications (1)

Publication Number Publication Date
WO2012016795A1 true WO2012016795A1 (fr) 2012-02-09

Family

ID=42799556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/061673 WO2012016795A1 (fr) 2010-08-04 2011-07-08 Article à fumer

Country Status (4)

Country Link
US (1) US20140076337A1 (fr)
EP (1) EP2600742A1 (fr)
GB (1) GB201013072D0 (fr)
WO (1) WO2012016795A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013120855A1 (fr) * 2012-02-13 2013-08-22 Philip Morris Products S.A. Article à fumer comprenant une source de chaleur combustible isolée
WO2015028812A1 (fr) * 2013-08-30 2015-03-05 British American Tobacco (Investments) Limited Article à fumer
CN107280075A (zh) * 2017-07-27 2017-10-24 深圳市余看智能科技有限公司 一种加热不燃烧烟草吸食装置
CN108949347A (zh) * 2018-06-08 2018-12-07 湖北中烟工业有限责任公司 增加加热不燃烧新型卷烟烟气湿润感的香精及其制备方法和应用
WO2019057857A1 (fr) * 2017-09-22 2019-03-28 Philip Morris Products S.A. Insert de vapotage de tabac non combustible et cartouche contenant l'insert de vapotage non combustible
DE102018112221A1 (de) * 2018-05-22 2019-11-28 Hauni Maschinenbau Gmbh Verfahren zum Herstellen von Tabakmaterial zur Verwendung in HNB-Tabakartikeln und HNB-Tabakartikel
WO2020089071A1 (fr) * 2018-10-29 2020-05-07 Nerudia Limited Consommable de substitution à l'acte de fumer
EP3922115A4 (fr) * 2019-05-28 2022-01-12 China Tobacco Yunnan Industrial Co., Ltd Cigarette jetable à double canal et procédé de préparation associé
IT202100023942A1 (it) 2021-09-17 2023-03-17 Gd Spa Metodo e sistema per ispezionare articoli da fumo
IT202100023954A1 (it) 2021-09-17 2023-03-17 Gd Spa Apparato assemblatore e metodo di assemblaggio per produrre articoli da fumo multicomponente.
WO2023198602A1 (fr) * 2022-04-11 2023-10-19 Jt International Sa Consommable de génération d'aérosol

Families Citing this family (12)

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Publication number Priority date Publication date Assignee Title
CN109619654A (zh) * 2013-05-02 2019-04-16 Jt国际公司 可汽化材料和胶囊
PL2991510T3 (pl) * 2013-05-02 2020-06-15 Jt International Sa Materiał odparowywany
US11744296B2 (en) 2015-12-10 2023-09-05 R. J. Reynolds Tobacco Company Smoking article
US10314334B2 (en) * 2015-12-10 2019-06-11 R.J. Reynolds Tobacco Company Smoking article
GB201700812D0 (en) 2017-01-17 2017-03-01 British American Tobacco Investments Ltd Apparatus for heating smokable material
EA202092775A1 (ru) * 2018-05-21 2021-03-15 ДжейТи ИНТЕРНЭШНЛ СА Изделие, генерирующее аэрозоль, способ изготовления изделия, генерирующего аэрозоль, и система, генерирующая аэрозоль
CN108634368B (zh) * 2018-07-04 2023-08-01 云南中烟工业有限责任公司 一种完全中空型加热不燃烧卷烟
US20200035118A1 (en) 2018-07-27 2020-01-30 Joseph Pandolfino Methods and products to facilitate smokers switching to a tobacco heating product or e-cigarettes
US10897925B2 (en) 2018-07-27 2021-01-26 Joseph Pandolfino Articles and formulations for smoking products and vaporizers
BR112021022718A2 (pt) * 2019-06-10 2022-03-08 Philip Morris Products Sa Invólucro estável para artigo de geração de aerossol
CN112155256A (zh) * 2020-09-18 2021-01-01 安徽集友广誉科技有限公司 加热不燃烧烟支及包括其的抽吸制品
CN116998775A (zh) * 2022-04-28 2023-11-07 中国烟草总公司郑州烟草研究院 一种气溶胶生成系统及调控气溶胶状态的方法

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EP0321740A1 (fr) * 1987-12-22 1989-06-28 British-American Tobacco (Germany) GmbH Cigarette coaxiale
US4955397A (en) * 1989-07-10 1990-09-11 Brown & Williamson Tobacco Corporation Cigarette
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US5060676A (en) * 1982-12-16 1991-10-29 Philip Morris Incorporated Process for making a carbon heat source and smoking article including the heat source and a flavor generator
US5265626A (en) 1989-01-17 1993-11-30 B.A.T. Cigarettenfabriken Gmbh Coaxial filter cigarette
US20050066985A1 (en) 2003-09-30 2005-03-31 Borschke August Joseph Smokable rod for a cigarette

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US3356094A (en) * 1965-09-22 1967-12-05 Battelle Memorial Institute Smoking devices
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US4380241A (en) * 1980-05-01 1983-04-19 British-American Tobacco Company Limited Smoking articles
US4480650A (en) * 1982-03-02 1984-11-06 Friedrich Weinert Coated self-extinguished cigarette
US5060676A (en) * 1982-12-16 1991-10-29 Philip Morris Incorporated Process for making a carbon heat source and smoking article including the heat source and a flavor generator
EP0321740A1 (fr) * 1987-12-22 1989-06-28 British-American Tobacco (Germany) GmbH Cigarette coaxiale
US5265626A (en) 1989-01-17 1993-11-30 B.A.T. Cigarettenfabriken Gmbh Coaxial filter cigarette
GB2229349A (en) * 1989-03-16 1990-09-26 Brown & Williamson Tobacco Smoking articles
US4955397A (en) * 1989-07-10 1990-09-11 Brown & Williamson Tobacco Corporation Cigarette
US20050066985A1 (en) 2003-09-30 2005-03-31 Borschke August Joseph Smokable rod for a cigarette

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3689158A1 (fr) * 2012-02-13 2020-08-05 Philip Morris Products S.a.s. Article à fumer comprenant une source de chaleur combustible isolée
EP3363305A1 (fr) * 2012-02-13 2018-08-22 Philip Morris Products S.a.s. Article à fumer comprenant une source de chaleur combustible isolée
US11950625B2 (en) 2012-02-13 2024-04-09 Philip Morris Products S.A. Smoking article comprising an isolated combustible heat source
WO2013120855A1 (fr) * 2012-02-13 2013-08-22 Philip Morris Products S.A. Article à fumer comprenant une source de chaleur combustible isolée
EP3954228A1 (fr) * 2012-02-13 2022-02-16 Philip Morris Products S.A. Article à fumer comprenant une source de chaleur combustible isolée
US11191299B2 (en) 2012-02-13 2021-12-07 Philip Morris Products S.A. Smoking article comprising an isolated combustible heat source
RU2729973C2 (ru) * 2012-02-13 2020-08-13 Филип Моррис Продактс С.А. Курительное изделие, содержащее изолированный горючий источник тепла
WO2015028812A1 (fr) * 2013-08-30 2015-03-05 British American Tobacco (Investments) Limited Article à fumer
CN107280075A (zh) * 2017-07-27 2017-10-24 深圳市余看智能科技有限公司 一种加热不燃烧烟草吸食装置
WO2019057857A1 (fr) * 2017-09-22 2019-03-28 Philip Morris Products S.A. Insert de vapotage de tabac non combustible et cartouche contenant l'insert de vapotage non combustible
KR20200056992A (ko) * 2017-09-22 2020-05-25 필립모리스 프로덕츠 에스.에이. 불연성 담배 베이핑 인서트, 및 불연성 담배 베이핑 인서트를 함유한 카트리지
US11013267B2 (en) 2017-09-22 2021-05-25 Altria Client Services Llc Non-combustible tobacco vaping insert, and a cartridge containing the non-combustible tobacco vaping insert
RU2764423C2 (ru) * 2017-09-22 2022-01-17 Филип Моррис Продактс С.А. Негорючая табачная вставка для парения и картридж, содержащий негорючую табачную вставку для парения
KR102654082B1 (ko) 2017-09-22 2024-04-04 필립모리스 프로덕츠 에스.에이. 불연성 담배 베이핑 인서트, 및 불연성 담배 베이핑 인서트를 함유한 카트리지
DE102018112221A1 (de) * 2018-05-22 2019-11-28 Hauni Maschinenbau Gmbh Verfahren zum Herstellen von Tabakmaterial zur Verwendung in HNB-Tabakartikeln und HNB-Tabakartikel
CN108949347B (zh) * 2018-06-08 2021-07-20 湖北中烟工业有限责任公司 增加加热不燃烧卷烟烟气湿润感的香精及其制备方法和应用
CN108949347A (zh) * 2018-06-08 2018-12-07 湖北中烟工业有限责任公司 增加加热不燃烧新型卷烟烟气湿润感的香精及其制备方法和应用
WO2020089071A1 (fr) * 2018-10-29 2020-05-07 Nerudia Limited Consommable de substitution à l'acte de fumer
EP3922115A4 (fr) * 2019-05-28 2022-01-12 China Tobacco Yunnan Industrial Co., Ltd Cigarette jetable à double canal et procédé de préparation associé
IT202100023942A1 (it) 2021-09-17 2023-03-17 Gd Spa Metodo e sistema per ispezionare articoli da fumo
IT202100023954A1 (it) 2021-09-17 2023-03-17 Gd Spa Apparato assemblatore e metodo di assemblaggio per produrre articoli da fumo multicomponente.
WO2023198602A1 (fr) * 2022-04-11 2023-10-19 Jt International Sa Consommable de génération d'aérosol

Also Published As

Publication number Publication date
US20140076337A1 (en) 2014-03-20
GB201013072D0 (en) 2010-09-15
EP2600742A1 (fr) 2013-06-12

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