EP0471581B1 - Article à fumer - Google Patents
Article à fumer Download PDFInfo
- Publication number
- EP0471581B1 EP0471581B1 EP91307543A EP91307543A EP0471581B1 EP 0471581 B1 EP0471581 B1 EP 0471581B1 EP 91307543 A EP91307543 A EP 91307543A EP 91307543 A EP91307543 A EP 91307543A EP 0471581 B1 EP0471581 B1 EP 0471581B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- smoking article
- article according
- tobacco
- granular
- rod
- 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.)
- Expired - Lifetime
Links
Images
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.
- US Patent Specification 4 340 072 shows a fuel rod that is moulded or extruded from reconstituted tobacco and/or tobacco substitute.
- a longitudinally extending passage is provided in the impervious fuel rod so that a flow of hot gas is produced during combustion and passes towards an aerosol precursor chamber during smoking.
- air entering the passage passes the burning coal and is heated and mixed with the combustion gases from the burning rod and this stream of hot gases passes down the passage and between the granules of the precursor material to exit through a filter tip into the mouth of the smoker.
- the smoker inhales an aerosol of flavourant from the precursor material which also contains particulate material from the burning fuel rod.
- US Patent Specification 4 917 121 shows a smoking article which contains granular material within a tube located in a tobacco column. The end of the tobacco column displaced away from the ignited end is closed so that all the gases pass down the tube. Thus the gases and smoke from the burning tobacco and from the granular material mingle and the particulate material in the tobacco smoke is carried on towards the mouthpiece end.
- the present invention provides a smoking article comprising a tobacco rod of smokable material in an outer wrapper and a downstream filter unit which includes a granular element containing adsorbed compounds that will generate an aerosol when hot gases are passed through it, a passage defined by an impervious wall and which extends longitudinally from the end of said rod to said granular element to supply hot gas thereto.
- Filter means are provided for filtering smoke travelling along said tobacco rod through the processed and cut tobacco thereof before or simultaneously with said smoke contacting the aerosol generated from the granular element by said hot gases.
- 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 the granular material.
- the filter means act to remove particulate material prior to or simultaneously with the smoke/gases being used to release the components and flavours which condense and form the aerosol.
- the longitudinal passage can have a wall made from combustible material such as paper or reconstituted tobacco sheet and is substantially impervious.
- the granular element 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.
- 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 cm ⁇ 3 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.
- a filter element 9 located between the tobacco and a 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.
- Hot air/gas mixtures pass through a granular element 6 and desorb the components from granules 7. These components form an aerosol and pass through an end filter 8 into the mouth of the smoker.
- 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.
- 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.
- the passage 3 extending axially throughout the length of the tobacco rod 1 can be placed at the periphery thereof.
- a third 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.
- the thermal insulation material 12 is 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)
Claims (12)
- Article à fumer comprenant une tige de tabac (1) dans un emballage externe (2) et une unité de filtrage en aval (5) qui inclut un élément granulaire (6) contenant des composés adsorbés qui générent un aérosol quand des gaz chauds le traversent, un passage (3) défini par une paroi étanche (4) et qui s'étend longitudinalement à partir de l'extrémité de ladite tige vers l'élément granulaire (6) pour lui fournir un gaz chaud,
caractérisé en ce que les moyens de filtrage (9, 12) sont prévus pour filtrer la fumée voyageant le long de ladite tige de tabac (1) par le tabac traité et coupé de celle-ci avant ou simultanément avec ladite fumée entrant en contact avec aérosol généré par l'élément granulaire (6) par lesdits gaz chauds. - Article à fumer selon la revendication 1 dans lequel lesdits moyens de filtrage (9, 12) sont fabriqués à partir d'un matériau de grande efficacité.
- Article à fumer selon la revendication 2 dans lequel ledit matériau à grande efficacité est formé de fibres ultra fines de polypropylène ou de matériau de polyoléfine.
- Article à fumer selon l'une quelconque des revendications précédentes dans lequel l'unité de filtrage (5) inclut un élément filtre (8) en aval de l'élément granulaire (6).
- Article à fumer selon la revendication 4 dans lequel ledit élément filtre conventionnel (8) est constitué de matériau à très faible rétention.
- Article à fumer selon l'une quelconque des revendications précédentes dans lequel l'élément granulaire (6) est entouré d'un calorifugeage (12).
- Article à fumer selon la revendication 6 dans lequel ledit calorifugeage (12) est aussi le moyen de filtrage.
- Article à fumer selon l'une quelconque des revendications précédentes dans lequel ledit passage (3) est substantiellement coaxial avec ladite tige (1).
- Article à fumer selon l'une quelconque des revendications 1 à 7 dans lequel ledit passage est localisé parallèlement mais de manière excentrée par rapport à l'axe de ladite tige (1).
- Article à fumer selon l'une quelconque des revendications précédentes dans lequel le matériau granulaire est un matériau poreux imprégné de composants ou de composés sélectionnés.
- Article à fumer selon la revendication 10 dans lequel le matériau poreux est de l'alumine, du silicate de magnésium, des zéolithes, des céramiques ou du charbon activé.
- Article à fumer selon la revendication 10 ou la revendication 11 dans lequel les composants ou composés sélectionnés sont la nicotine, le glycérol, les arômes de tabac ou les extraits de tabac.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9018131 | 1990-08-17 | ||
GB909018131A GB9018131D0 (en) | 1990-08-17 | 1990-08-17 | Smoking article |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0471581A1 EP0471581A1 (fr) | 1992-02-19 |
EP0471581B1 true EP0471581B1 (fr) | 1995-12-13 |
Family
ID=10680856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91307543A Expired - Lifetime EP0471581B1 (fr) | 1990-08-17 | 1991-08-15 | Article à fumer |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0471581B1 (fr) |
JP (1) | JP3012714B2 (fr) |
AU (1) | AU653163B2 (fr) |
CA (1) | CA2049364C (fr) |
DE (1) | DE69115383T2 (fr) |
DK (1) | DK0471581T3 (fr) |
ES (1) | ES2082930T3 (fr) |
GB (1) | GB9018131D0 (fr) |
GR (1) | GR3018910T3 (fr) |
IE (1) | IE74219B1 (fr) |
MY (1) | MY112865A (fr) |
NZ (1) | NZ239440A (fr) |
ZA (1) | ZA916492B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101553140B (zh) * | 2006-12-29 | 2013-03-27 | 菲利普莫里斯生产公司 | 发烟制品和制备发烟制品的方法 |
Families Citing this family (30)
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 |
AU3202895A (en) * | 1994-07-28 | 1996-02-22 | Lorillard Tobacco Company | Hollow smokable article |
AU2002300072B2 (en) * | 1998-03-03 | 2005-05-19 | Brown & Williamson Tobacco Corporation | Aerosol Delivery Smoking Article |
US6883523B2 (en) * | 2003-02-14 | 2005-04-26 | Philip Morris Usa Inc. | Cigarette having porous heat transfer tube |
US8240315B2 (en) * | 2005-12-29 | 2012-08-14 | Philip Morris Usa Inc. | Smoking article with improved delivery profile |
US7987856B2 (en) | 2005-12-29 | 2011-08-02 | Philip Morris Usa Inc. | Smoking article with bypass channel |
WO2007110650A1 (fr) | 2006-03-28 | 2007-10-04 | Philip Morris Products S.A. | Article a fumer dote d'un limiteur d'ecoulement |
US8424539B2 (en) | 2006-08-08 | 2013-04-23 | Philip Morris Usa Inc. | Smoking article with single piece restrictor and chamber |
TW200911141A (en) | 2007-03-09 | 2009-03-16 | Philip Morris Prod | Super recessed filter cigarette restrictor |
TW200911138A (en) | 2007-03-09 | 2009-03-16 | Philip Morris Prod | Smoking articles with restrictor and aerosol former |
CA2963423C (fr) | 2007-03-30 | 2020-07-28 | Philip Morris Products S.A. | Dispositif et procede pour administrer un medicament |
GB0808154D0 (en) * | 2008-05-06 | 2008-06-11 | British American Tobacco Co | Aerosol dispensing device |
US8424540B2 (en) | 2009-10-09 | 2013-04-23 | Philip Morris Usa Inc. | Smoking article with valved restrictor |
AR080556A1 (es) | 2009-10-09 | 2012-04-18 | Philip Morris Prod | Diseno de filtro para mejorar el perfil sensorial de articulos para fumar con boquilla de filtro de carbono |
US8905037B2 (en) | 2009-10-15 | 2014-12-09 | Philip Morris Inc. | Enhanced subjective activated carbon cigarette |
TW201204272A (en) | 2010-03-26 | 2012-02-01 | Philip Morris Prod | Smoking articles with significantly reduced gas vapor phase smoking constituents |
US11039642B2 (en) * | 2011-12-30 | 2021-06-22 | Philip Morris Products S.A. | Smoking article with front-plug and aerosol-forming substrate and method |
HUE034783T2 (en) | 2011-12-30 | 2018-02-28 | Philip Morris Products Sa | Tobacco with front insert and procedure |
AR089602A1 (es) | 2011-12-30 | 2014-09-03 | Philip Morris Products Sa | Articulo generador de aerosoles para usar con un dispositivo generador de aerosoles |
EP2625975A1 (fr) | 2012-02-13 | 2013-08-14 | Philip Morris Products S.A. | Article de génération d'aérosol avec un élément de refroidissement d'aérosol |
US11571017B2 (en) | 2012-05-31 | 2023-02-07 | Philip Morris Products S.A. | Flavoured rods for use in aerosol-generating articles |
WO2013183761A1 (fr) * | 2012-06-08 | 2013-12-12 | 日本たばこ産業株式会社 | Instrument d'aspiration d'arôme |
AR091509A1 (es) | 2012-06-21 | 2015-02-11 | Philip Morris Products Sa | Articulo para fumar para ser usado con un elemento de calentamiento interno |
WO2014132182A2 (fr) * | 2013-02-27 | 2014-09-04 | Philip Morris Products, S.A. | Article à fumer présentant une substance extraite de plantes comme essence |
AU2014411336B2 (en) * | 2014-11-10 | 2018-05-24 | Japan Tobacco Inc. | Non-burning type flavor inhaler |
MY182482A (en) * | 2014-11-10 | 2021-01-25 | Japan Tobacco Inc | Cartridge and non-burning type flavor inhaler |
GB201712380D0 (en) | 2017-08-01 | 2017-09-13 | British American Tobacco Investments Ltd | A modular tobacco industry product |
US20210112855A1 (en) * | 2018-05-17 | 2021-04-22 | Toa Industry Co., Ltd. | Aroma cartridge |
GB201817540D0 (en) * | 2018-10-29 | 2018-12-12 | Nerudia Ltd | Smoking substitute consumable |
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 |
Family Cites Families (9)
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 |
DE3270841D1 (en) * | 1981-06-10 | 1986-06-05 | Baumgartner Papiers Sa | Process to aromatise tabacco smoke, cigarette end piece to carry out the process, and use of the process |
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 |
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 |
-
1990
- 1990-08-17 GB GB909018131A patent/GB9018131D0/en active Pending
-
1991
- 1991-08-14 IE IE289091A patent/IE74219B1/en not_active IP Right Cessation
- 1991-08-14 JP JP3228750A patent/JP3012714B2/ja not_active Expired - Lifetime
- 1991-08-15 DK DK91307543.8T patent/DK0471581T3/da active
- 1991-08-15 DE DE69115383T patent/DE69115383T2/de not_active Expired - Lifetime
- 1991-08-15 ES ES91307543T patent/ES2082930T3/es not_active Expired - Lifetime
- 1991-08-15 EP EP91307543A patent/EP0471581B1/fr not_active Expired - Lifetime
- 1991-08-16 ZA ZA916492A patent/ZA916492B/xx unknown
- 1991-08-16 NZ NZ239440A patent/NZ239440A/en not_active IP Right Cessation
- 1991-08-16 AU AU82536/91A patent/AU653163B2/en not_active Expired
- 1991-08-16 CA CA002049364A patent/CA2049364C/fr not_active Expired - Lifetime
- 1991-08-17 MY MYPI91001492A patent/MY112865A/en unknown
-
1996
- 1996-02-07 GR GR960400316T patent/GR3018910T3/el unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101553140B (zh) * | 2006-12-29 | 2013-03-27 | 菲利普莫里斯生产公司 | 发烟制品和制备发烟制品的方法 |
Also Published As
Publication number | Publication date |
---|---|
GB9018131D0 (en) | 1990-10-03 |
DE69115383T2 (de) | 1996-07-04 |
AU8253691A (en) | 1992-02-20 |
JPH04229166A (ja) | 1992-08-18 |
DK0471581T3 (da) | 1996-03-18 |
EP0471581A1 (fr) | 1992-02-19 |
MY112865A (en) | 2001-10-31 |
IE74219B1 (en) | 1997-07-16 |
ES2082930T3 (es) | 1996-04-01 |
JP3012714B2 (ja) | 2000-02-28 |
DE69115383D1 (de) | 1996-01-25 |
GR3018910T3 (en) | 1996-05-31 |
ZA916492B (en) | 1992-04-29 |
CA2049364C (fr) | 1997-07-08 |
AU653163B2 (en) | 1994-09-22 |
NZ239440A (en) | 1994-11-25 |
IE912890A1 (en) | 1992-02-26 |
CA2049364A1 (fr) | 1992-02-18 |
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