EP0471581A1 - Rauchartikel - Google Patents

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Publication number
EP0471581A1
EP0471581A1 EP91307543A EP91307543A EP0471581A1 EP 0471581 A1 EP0471581 A1 EP 0471581A1 EP 91307543 A EP91307543 A EP 91307543A EP 91307543 A EP91307543 A EP 91307543A EP 0471581 A1 EP0471581 A1 EP 0471581A1
Authority
EP
European Patent Office
Prior art keywords
smoking article
granular
passage
rod
tobacco
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.)
Granted
Application number
EP91307543A
Other languages
English (en)
French (fr)
Other versions
EP0471581B1 (de
Inventor
Martin Graham Duke
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.)
Rothmans International Services Ltd
Original Assignee
Rothmans International Services Ltd
Rothmans International Tobacco 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 Rothmans International Services Ltd, Rothmans International Tobacco Ltd filed Critical Rothmans International Services Ltd
Publication of EP0471581A1 publication Critical patent/EP0471581A1/de
Application granted granted Critical
Publication of EP0471581B1 publication Critical patent/EP0471581B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means

Definitions

  • This invention relates to a smoking article which produces smoke and/or an aerosol that resembles tobacco smoke.
  • a smoking article comprises a rod of smokable material and a downstream filter unit which includes granular material containing adsorbed compounds that will generate an aerosol when hot gases are passed through it and means for producing a flow of gases from the ignited tip of the smokable material which is hot enough to activate said granular material.
  • the rod of smoking material is provided with a passage having impervious walls extending longitudinally therethrough to the filter unit.
  • the passage may have a diameter in the range of 0.5 to 5.0 mm but preferably is in the range of 1.0 to 5.00 mm. Temperatures measured at the end of the passage can reach up to 550°C, thus providing sufficient heat to release components from granular material.
  • the longitudinal passage can have a wall made from combustible material such as paper or reconstituted tobacco sheet and should be substantially impervious.
  • the granules in the tip element can be provided as a granular element adjacent the end of the said passage, and thus can be backed by a conventional filter element.
  • Granular materials such as alumina, magnesium silicate, zeolites, ceramics, activated carbon or other porous materials impregnated with selected components or compounds (e.g. nicotine, glycerol, tobacco flavours, tobacco extracts) are contained in a cavity adjacent to the end of a tobacco rod containing the longitudinal passage, and can be loose packed or in sintered form. Thus adsorbed components are desorbed when the hot gas mixture from the passage passes through the granular element of the filter unit.
  • selected components or compounds e.g. nicotine, glycerol, tobacco flavours, tobacco extracts
  • the desorbed components form an aerosol which preferably then pass through a low efficiency filter which can be made from cellulose acetate, polypropylene, paper or other similar filter material.
  • Figures 1 to 5 are longitudinal cross-sectional views through five different embodiments of smoking articles according to the invention.
  • the smoking article shown in Figure 1 comprises a cylindrical tobacco rod 1 made from conventionally processed and cut tobacco at a filling density of 150 to 300 mg cm3 wrapped in a cigarette paper 2 of porosity in the range of 4 to 150 CORESTA units but preferably 20 to 80 CORESTA units.
  • a longitudinal passage 3 extends the length of the tobacco rod with the wall of the passage 4 being substantially impervious to air and made of cigarette paper or reconstituted tobacco sheet.
  • smoke travels preferentially along the tobacco rod 1 whilst the hot gases travel along the passage 3 to a filter unit 5.
  • Hot air/gas mixtures pass through a granular element 6 and desorb the components from granules 7.
  • This filter should preferably be of very low retention so that maximum transfer is achieved from the granules to the smoker's mouth and can be made as a conventional filter from cellulose acetate, polypropylene, paper or other similar filter material.
  • the granular material can be magnesium silicate, for example Sepiolite in granular form of for example 15 - 30 mesh, but in order to ease manufacture the granules could be sintered into a rod which is then cut to appropriate size, and between 50 - 200 mg. of granules can be contained in each filter unit.
  • the overall length of the smoking article is in the range of 50 to 120 mm with an overall diameter of 5 mm to 8 mm, for example 7.8 mm.
  • the granular material can be treated with nicotine and glycerol in the range of 0.5 % to 20 % w/w and 0 % to 40 % w/w respectively which will give rise to the release of nicotine when in use.
  • This filter element which is located between the tobacco and the granular bed 6 is made of high efficiency material such as ultra-fine fibres of polypropylene or other polyolefin material and removes most of the smoke components that travel along the tobacco rod 1 preferentially.
  • the quantity of smoke formed by combustion of tobacco that reaches the smoker's mouth is substantially reduced.
  • a cavity 10 is located between the filter element 9 and the granular element 6. This allows the hot gas mixture to pass through a larger area of the granular element and helps to prevent the end 11 of the passage 3 becoming blocked with any ash that may come down the passage.
  • Figure 4 shows a fourth embodiment of the present invention in which similar reference numerals are used to indicate similar parts as in Figure 1.
  • the passage 3 extending axially throughout the length of the tobacco rod 1 is placed at the periphery thereof.
  • a fifth embodiment of the present invention is shown in Figure 5 and which includes a thermal insulation section 12 made of for, example, ceramic or other thermal insulating fibres. This prevents excessive heat loss to the surroundings at the same time keeping the outside of the smoking article cool enough to hold. If desired the thermal insulation material 12 can also be arranged to act as a filter to remove the smoke which travels along the tobacco rod.
  • the materials can be fine fibre and web materials.
  • components and flavours are adsorbed onto granular materials in the filter element.
  • air drawn through the central tube is heated by the burning coal and it is this hot air that "activates” the granular material by releasing components and flavours.
  • These vapours condense and form an aerosol which then passes through the filter section.
  • Use of the impervious tube ensures that there is no diffusion of the hot gas from the tube to the tobacco rod or of smoke into the tube.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP91307543A 1990-08-17 1991-08-15 Rauchartikel Expired - Lifetime EP0471581B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909018131A GB9018131D0 (en) 1990-08-17 1990-08-17 Smoking article
GB9018131 1990-08-17

Publications (2)

Publication Number Publication Date
EP0471581A1 true EP0471581A1 (de) 1992-02-19
EP0471581B1 EP0471581B1 (de) 1995-12-13

Family

ID=10680856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91307543A Expired - Lifetime EP0471581B1 (de) 1990-08-17 1991-08-15 Rauchartikel

Country Status (13)

Country Link
EP (1) EP0471581B1 (de)
JP (1) JP3012714B2 (de)
AU (1) AU653163B2 (de)
CA (1) CA2049364C (de)
DE (1) DE69115383T2 (de)
DK (1) DK0471581T3 (de)
ES (1) ES2082930T3 (de)
GB (1) GB9018131D0 (de)
GR (1) GR3018910T3 (de)
IE (1) IE74219B1 (de)
MY (1) MY112865A (de)
NZ (1) NZ239440A (de)
ZA (1) ZA916492B (de)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996003060A1 (en) * 1994-07-28 1996-02-08 Lorillard Tobacco Company Hollow smokable article
US5643245A (en) * 1991-10-01 1997-07-01 The Procter & Gamble Company Absorbent article having tucked flaps
WO2007093852A2 (en) * 2005-12-29 2007-08-23 Philip Morris Products S.A. Smoking article with improved delivery profile
WO2008084333A3 (en) * 2006-12-29 2008-11-06 Philip Morris Prod Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system
CN100559977C (zh) * 2003-02-14 2009-11-18 菲利普莫里斯生产公司 具有多孔传热管的香烟
US7878963B2 (en) 2006-03-28 2011-02-01 Philip Morris Usa Inc. Smoking article with a restrictor
US7987856B2 (en) 2005-12-29 2011-08-02 Philip Morris Usa Inc. Smoking article with bypass channel
US8235057B2 (en) 2007-03-09 2012-08-07 Philip Morris Usa Inc. Smoking article with open ended filter and restrictor
US8353302B2 (en) 2007-03-09 2013-01-15 Philip Morris Usa Inc. Smoking articles with restrictor and aerosol former
US8424539B2 (en) 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
US8424540B2 (en) 2009-10-09 2013-04-23 Philip Morris Usa Inc. Smoking article with valved restrictor
US8434499B2 (en) 2009-10-09 2013-05-07 Philip Morris Usa Inc. Filter design for improving sensory profile of carbon filter-tipped smoking articles
US8770187B2 (en) 2008-05-06 2014-07-08 British American Tobacco (Investments) Limited Aerosol dispensing device
US8905037B2 (en) 2009-10-15 2014-12-09 Philip Morris Inc. Enhanced subjective activated carbon cigarette
WO2014132182A3 (en) * 2013-02-27 2015-01-08 Philip Morris Products, S.A. Smoking article having botanical material as flavourant
US9138016B2 (en) 2010-03-26 2015-09-22 Philip Morris Usa Inc. Smoking articles with significantly reduced gas vapor phase smoking constituents
CN107072311A (zh) * 2014-11-10 2017-08-18 日本烟草产业株式会社 非燃烧型香味吸取器
CN107072310A (zh) * 2014-11-10 2017-08-18 日本烟草产业株式会社 烟弹以及非燃烧型香味吸取器
EP2797449B1 (de) * 2011-12-30 2019-08-07 Philip Morris Products S.a.s. Rauchartikel mit frontstopfen und aerosolbildendem substrat sowie verfahren
WO2020089068A1 (en) * 2018-10-29 2020-05-07 Nerudia Limited Smoking substitute consumable
US10668058B2 (en) 2007-03-30 2020-06-02 Philip Morris Products S.A. Device and method for delivery of a medicament
US20210112855A1 (en) * 2018-05-17 2021-04-22 Toa Industry Co., Ltd. Aroma cartridge
US11140916B2 (en) 2012-02-13 2021-10-12 Philip Morris Products S.A. Aerosol-generating article having an aerosol-cooling element
US11272731B2 (en) 2011-12-30 2022-03-15 Philip Morris Products S.A. Aerosol-generating article for use with an aerosol-generating device
US11278052B2 (en) 2012-06-21 2022-03-22 Philip Morris Products S.A. Smoking article for use with an internal heating element
US11571017B2 (en) 2012-05-31 2023-02-07 Philip Morris Products S.A. Flavoured rods for use in aerosol-generating articles
US11576426B2 (en) 2017-08-01 2023-02-14 British American Tobacco (Investments) Limited Modular tobacco industry product
US11582998B2 (en) 2011-12-30 2023-02-21 Philip Morris Products S.A. Smoking article with front-plug and method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002300072B2 (en) * 1998-03-03 2005-05-19 Brown & Williamson Tobacco Corporation Aerosol Delivery Smoking Article
TW201402027A (zh) * 2012-06-08 2014-01-16 Japan Tobacco Inc 香味吸嘗具
CN109567268B (zh) * 2018-12-26 2021-10-01 广东中烟工业有限责任公司 一种多层式低温卷烟及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713451A (en) * 1970-09-11 1973-01-30 L Bromberg Article for smoking
US4340072A (en) * 1979-11-16 1982-07-20 Imperial Group Limited Smokeable device
US4898191A (en) * 1988-12-09 1990-02-06 Brown & Williamson Tobacco Corporation Smoking device
US4917121A (en) * 1988-12-09 1990-04-17 Brown & Williamson Tobacco Corporation Smoking article

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0069056B1 (de) * 1981-06-10 1986-04-30 Baumgartner Papiers S.A. Verfahren zur Aromatisierung von Tabakrauch, Zigarettenendstück zur Durchführung des Verfahrens und Verwendung des Verfahrens
US4662384A (en) * 1982-06-29 1987-05-05 British-American Tobacco Company Limited Smoking articles
US4793365A (en) * 1984-09-14 1988-12-27 R. J. Reynolds Tobacco Company Smoking article
US5020548A (en) * 1985-08-26 1991-06-04 R. J. Reynolds Tobacco Company Smoking article with improved fuel element
US4903714A (en) * 1987-08-25 1990-02-27 R. J. Reynolds Tobacco Company Smoking article with improved mouthend piece

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713451A (en) * 1970-09-11 1973-01-30 L Bromberg Article for smoking
US4340072A (en) * 1979-11-16 1982-07-20 Imperial Group Limited Smokeable device
US4898191A (en) * 1988-12-09 1990-02-06 Brown & Williamson Tobacco Corporation Smoking device
US4917121A (en) * 1988-12-09 1990-04-17 Brown & Williamson Tobacco Corporation Smoking article

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5643245A (en) * 1991-10-01 1997-07-01 The Procter & Gamble Company Absorbent article having tucked flaps
WO1996003060A1 (en) * 1994-07-28 1996-02-08 Lorillard Tobacco Company Hollow smokable article
CN100559977C (zh) * 2003-02-14 2009-11-18 菲利普莫里斯生产公司 具有多孔传热管的香烟
WO2007093852A2 (en) * 2005-12-29 2007-08-23 Philip Morris Products S.A. Smoking article with improved delivery profile
WO2007093852A3 (en) * 2005-12-29 2008-05-29 Philip Morris Prod Smoking article with improved delivery profile
US7987856B2 (en) 2005-12-29 2011-08-02 Philip Morris Usa Inc. Smoking article with bypass channel
US8240315B2 (en) * 2005-12-29 2012-08-14 Philip Morris Usa Inc. Smoking article with improved delivery profile
US9060546B2 (en) 2006-03-28 2015-06-23 Philip Morris Usa Inc. Smoking article with a restrictor
US7878963B2 (en) 2006-03-28 2011-02-01 Philip Morris Usa Inc. Smoking article with a restrictor
US8424539B2 (en) 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
US8235056B2 (en) 2006-12-29 2012-08-07 Philip Morris Usa Inc. Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system
EA016512B1 (ru) * 2006-12-29 2012-05-30 Филип Моррис Продактс С.А. Курительное изделие с концентричной полой сердцевиной в табачном стержне и капсулой, содержащей ароматизатор и аэрозольобразующие вещества в фильтрующей системе
KR101434703B1 (ko) * 2006-12-29 2014-08-26 필립모리스 프로덕츠 에스.에이. 담배 로드에 동심 중심 코어 및 필터 시스템에 풍미제 및 에어로졸 형성제를 함유하는 캡슐을 가진 흡연 물품
WO2008084333A3 (en) * 2006-12-29 2008-11-06 Philip Morris Prod Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system
US8353302B2 (en) 2007-03-09 2013-01-15 Philip Morris Usa Inc. Smoking articles with restrictor and aerosol former
US8235057B2 (en) 2007-03-09 2012-08-07 Philip Morris Usa Inc. Smoking article with open ended filter and restrictor
US10668058B2 (en) 2007-03-30 2020-06-02 Philip Morris Products S.A. Device and method for delivery of a medicament
US9750904B2 (en) 2008-05-06 2017-09-05 Nicoventures Holdings Limited Aerosol dispensing device
US8770187B2 (en) 2008-05-06 2014-07-08 British American Tobacco (Investments) Limited Aerosol dispensing device
US8424540B2 (en) 2009-10-09 2013-04-23 Philip Morris Usa Inc. Smoking article with valved restrictor
US8434499B2 (en) 2009-10-09 2013-05-07 Philip Morris Usa Inc. Filter design for improving sensory profile of carbon filter-tipped smoking articles
US8905037B2 (en) 2009-10-15 2014-12-09 Philip Morris Inc. Enhanced subjective activated carbon cigarette
US9138016B2 (en) 2010-03-26 2015-09-22 Philip Morris Usa Inc. Smoking articles with significantly reduced gas vapor phase smoking constituents
EP2797449B1 (de) * 2011-12-30 2019-08-07 Philip Morris Products S.a.s. Rauchartikel mit frontstopfen und aerosolbildendem substrat sowie verfahren
US11039642B2 (en) 2011-12-30 2021-06-22 Philip Morris Products S.A. Smoking article with front-plug and aerosol-forming substrate and method
US11582998B2 (en) 2011-12-30 2023-02-21 Philip Morris Products S.A. Smoking article with front-plug and method
EP3597058A1 (de) * 2011-12-30 2020-01-22 Philip Morris Products S.a.s. Rauchartikel mit frontstopfen und aerosolbildendem substrat sowie verfahren
US11272731B2 (en) 2011-12-30 2022-03-15 Philip Morris Products S.A. Aerosol-generating article for use with an aerosol-generating device
US11140916B2 (en) 2012-02-13 2021-10-12 Philip Morris Products S.A. Aerosol-generating article having an aerosol-cooling element
US11571017B2 (en) 2012-05-31 2023-02-07 Philip Morris Products S.A. Flavoured rods for use in aerosol-generating articles
US11278052B2 (en) 2012-06-21 2022-03-22 Philip Morris Products S.A. Smoking article for use with an internal heating element
WO2014132182A3 (en) * 2013-02-27 2015-01-08 Philip Morris Products, S.A. Smoking article having botanical material as flavourant
US10653179B2 (en) 2014-11-10 2020-05-19 Japan Tobacco Inc. Cartridge and non-burning type flavor inhaler
CN107072311B (zh) * 2014-11-10 2021-01-05 日本烟草产业株式会社 非燃烧型香味吸取器
CN107072310B (zh) * 2014-11-10 2020-08-04 日本烟草产业株式会社 烟弹以及非燃烧型香味吸取器
CN107072310A (zh) * 2014-11-10 2017-08-18 日本烟草产业株式会社 烟弹以及非燃烧型香味吸取器
CN107072311A (zh) * 2014-11-10 2017-08-18 日本烟草产业株式会社 非燃烧型香味吸取器
US11576426B2 (en) 2017-08-01 2023-02-14 British American Tobacco (Investments) Limited Modular tobacco industry product
US20210112855A1 (en) * 2018-05-17 2021-04-22 Toa Industry Co., Ltd. Aroma cartridge
WO2020089068A1 (en) * 2018-10-29 2020-05-07 Nerudia Limited Smoking substitute consumable

Also Published As

Publication number Publication date
CA2049364C (en) 1997-07-08
AU8253691A (en) 1992-02-20
AU653163B2 (en) 1994-09-22
MY112865A (en) 2001-10-31
ES2082930T3 (es) 1996-04-01
GB9018131D0 (en) 1990-10-03
JPH04229166A (ja) 1992-08-18
IE74219B1 (en) 1997-07-16
EP0471581B1 (de) 1995-12-13
GR3018910T3 (en) 1996-05-31
IE912890A1 (en) 1992-02-26
JP3012714B2 (ja) 2000-02-28
NZ239440A (en) 1994-11-25
CA2049364A1 (en) 1992-02-18
DE69115383T2 (de) 1996-07-04
DE69115383D1 (de) 1996-01-25
ZA916492B (en) 1992-04-29
DK0471581T3 (da) 1996-03-18

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