US3916914A - Smoking articles - Google Patents
Smoking articles Download PDFInfo
- Publication number
- US3916914A US3916914A US366756A US36675673A US3916914A US 3916914 A US3916914 A US 3916914A US 366756 A US366756 A US 366756A US 36675673 A US36675673 A US 36675673A US 3916914 A US3916914 A US 3916914A
- Authority
- US
- United States
- Prior art keywords
- article
- heat
- filter
- section
- displaceable
- 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
- 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
- A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter
Definitions
- the invention relates to a smoking article comprising a part, for example a part in a cigarette filter, which is displaceable longitudinally of the article and is connected to another part thereof by heat-shrinkable film material so arranged that shrinkage of the said material longitudinally of the article caused by heat from the approaching coal when the article is smoked will impart longitudinal displacement to the said displaceable part, for instance for effecting rupture of a capsule containing a smoke-modifying or filtration modifying substance or uncovering perforations in a tipping element so as to allow entry of secondary air.
- An object of the invention is to provide' mean's for modifying the characteristics of the tobacco smoke or controlling its production, especially during the last few puffs of a cigarette or cigar.
- a smoking article such as a cigarette
- a part which is displaceable longitudinally of the article and is connected to another part thereof by heat-shrinkable film material so arranged that shrinkage of the said material longitudinally of the article caused by heat from the approaching coal when the article is smoked willimpart longitudinal displacement to the said displaceable part.
- the heat-shrinkable material will take the form of a sleeve or wrapper, but it may be constituted by a partial wrapper or one or more longitudinally ex tending strips.
- the heat shrinkable material is incorporated in a filter, in which case the displaceable part may be a filter section, preferably one section of a dual-section or multiple-section filter.
- the displaceable section may then be adjacent to either the tobacco end or the mouth end of the filter.
- the shrinkable material may be incorporated in a non-filter mouthpiece or other portion of a smoking article.
- the longitudinal displacement of the displaceable part may be utilized to effect rupture of a capsule holding a smoke-modifying or filtration-enhancing substance.
- the longitudinal displacement of the said part by heat shrinkage of the material due to the near approach of the burning coal may serve to crush and rupture the said capsule, thereby releasing its contents to be absorbed by a filter section or sections.
- a three-component filter comprising a capsule holding a flavouring agent and located between two filter sections of conventional type, for instance of cellulose acetate, is wrapped in a heat-shrinkable film material.
- the film material is connected by adhesive to the end facing the tobacco rod of the filter section adjacent to the latter and at the mouth end to the end remote from the tobacco rod of the other filter section and to the tipping paper.
- the circumference of the filter section at the tobacco end may be made slightly less than the internal circumference of the tipping paper by which the filter is joined to the tobacco rod in known manner.
- the displacement of the longitudinally displaceable part may be utilized to uncover perforations or porous paper provided in a tipping element, allowing secondary air to enter the smoke stream during the last few puffs.
- the tipping may be provided with a ring or ringsor a band of perforations which normally overlie that filter section, but 'will be uncovered by its longitudinal displacement due to shrinkage of the heat-shrinkable material on near approach of the coal.
- a capsule or pellet located between two filter sections may contain an adhesive which, when released by crushing of the capsule or pellet, will seal an adjacent face of one or both of the said sections to form a less permeable film, causing an increase in pressure drop of thefilter.
- Suitable monoaxial film materials which maybe used are polyvinylidene chloride, polyvinylchloride and polyester and polystyrene materials, as well as polypropylene and polyethylene materials.
- biaxially shrinkable film prepared from the same materials may be employed in some cases.
- shrinkage of the said material circumferentially of the longitudinally displaceable part, particularly a filter section,. may be arranged to effect deformation of that part as well as the displacement.
- radial compression of a longitudinally displaceable filter section in this manner may produce orincrease clearance between it and the tipping, facilitatinglongitudinal displacement.
- Capsules or pellets may be made of gelatine, wax or a synthetic polymer, depending on their contents.
- smoke-modifying substances which can be encapsulated are peppermint oil, spearmint oil and' Embodiments of the invention by way of example will 7 now be more fully described with reference to. the accompanying drawings, in-which each of FIGS. 1, 3, 5 and 7 is a diagrammatic longitudinal section of part of a filter cigarette before the approach to the filter of the burning coal on smoking and each of FIGS. 2,4, 6 and 8 is a similar section showing the effect of the near approach of the coal.
- EXAMPLE 1 polyvinylchloride heat-shrinkable film material sup-" plied by Kalle U.K., Hounslow, England, under the trade name SUPRATHERM-C" (Type CB) which has biaxial shrink properties.
- the sleeve 5 is adhesively secured at 6 and 7 to the two extreme outer ends of the filter sections 2 and 4.
- the filter is attached to the tobacco rod 3 by tipping paper 8 which is glued in two narrow bands to the said rod, at 9, and to the sleeve 5 of film material, at 10, at the mouth end only of the filter section 4.
- EXAMPLE 2 In a triple filter generally similar to that of FIGS. 1 and 2, the polyvinylchloride film used was of amonoaxial type, supplied by W. R. Grace Ltd., London, England under the designation VPMX. The direction which shows shrinkage during manufacture of the film is arranged lengthwise of the filter.
- the gelatine capsule contained spearmint oil mixed with vegetable oil.
- the heat from the closely approaching coal 11 caused shrinkage of the film and softening of the capsule 1.
- the capsule was thus compressed by the approaching filter section 2 and ruptured, so that, on the next puff, the smoke was strongly flavoured by spearmint, allowing the smoker to freshen his mouth prior to discarding the cigarette.
- EXAMPLE 3 The triple filter shown in FIGS. 3 and 4 differs from that of Example 2 in that the tipping paper 8 is glued at 9 to the tobacco rod 3 and to the sleeve 5 around the filter section 2 at 12 at the tobacco end only.
- the heat from the approaching coal caused longitudinal shrinkage of the sleeve 5, forcing the filter section 4 to move toward the tobacco end, once again rupturing the capsule 1.
- a stiffer outer wrap or a plastics tube may be used.
- a triple filter of the kind described with reference to FIGS. 1 and 2 comprises an empty gelatine capsule l of about 6 to 7 mm diameter, disposed between a 5 mm long cellulose acetate section 2 and a 10 mm long cellulose acetate section 4 wrapped in a sleeve 5 of biaxially heat-shrinkable polyvinylchloride film supplied by Spicer Cowan, Victoria, England, under the designation BS2.
- the sleeve 5 is secured at 6 and 7 by polyvinyl acetate adhesive.
- the length ofthe tobacco rod which remained after the 10th puff was approximately 20 mm.
- the filter of FIGS. 5 and 6 is composed of two cellu lose acetate sections 2 and 4, of 5 mm and 10 mm length respectively, spaced from each other at a distance of 7 mm and wrapped in a sleeve 5 of the biaxially heat-shrinkable polyvinylchloride film material referred to in Example 4.
- the sleeve 5 and tipping 8 are secured at 6,7 and 9,10 as in FIGS. 1 and 2.
- the tipping 8 is provided with a ring of perforations l3, affording 6.5 mm total area of opening, which are initially located over and closed by the filter section 2 (FIG. 5).
- FIGS. 7 and 8 The filter of FIGS. 7 and 8 is similar to that of FIGS. 5 and 6 except that the sleeve 5 is of monoaxial heatshrinkable film material, so that the filter section 2 simply moves longitudinally towards the section 4 without being compressed.
- Two rings of perforations 14, each ring affording 2.25 mm of opening, in the tipping 8 are thereby uncovered to admit secondary air with an effect similar to that obtained in Example 5.
- a smoking article comprising an elongated filling of smokable material burnable progressively, with formation of a coal at one end, when said article is smoked, said article including a first part which is displaceable longitudinally of the article and means for imparting longitudinal displacement of said first part in response to heat from the approaching coal when said article is smoked, said means comprising a heat shrinkable film connecting said first part to a second part of said article.
- thermoforming the heatshrinkable film is in the form of a sleeve extending longitudinally between the two connected parts.
- a mouthpiece device for a smoking article comprising a first part which is displaceable longitudinally of the mouthpiece device and means for imparting longitudinal displacement of said first part in response to heat, said means comprising a heat shrinkable film connecting said first part to a second part of said mouthpiece device.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2636872A GB1400278A (en) | 1972-06-06 | 1972-06-06 | Smoking articles |
Publications (1)
Publication Number | Publication Date |
---|---|
US3916914A true US3916914A (en) | 1975-11-04 |
Family
ID=10242566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US366756A Expired - Lifetime US3916914A (en) | 1972-06-06 | 1973-06-04 | Smoking articles |
Country Status (13)
Country | Link |
---|---|
US (1) | US3916914A (fr) |
JP (1) | JPS5615225B2 (fr) |
AU (1) | AU472899B2 (fr) |
BE (1) | BE800556A (fr) |
BR (1) | BR7304234D0 (fr) |
CA (1) | CA981550A (fr) |
CH (1) | CH590621A5 (fr) |
DE (1) | DE2328457C3 (fr) |
FI (1) | FI56617C (fr) |
FR (1) | FR2188410A5 (fr) |
GB (1) | GB1400278A (fr) |
NL (1) | NL7307797A (fr) |
ZA (1) | ZA733606B (fr) |
Cited By (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4452259A (en) * | 1981-07-10 | 1984-06-05 | Loews Theatres, Inc. | Smoking articles having a reduced free burn time |
US4526183A (en) * | 1982-09-30 | 1985-07-02 | Philip Morris Incorporated | Filter cigarette |
US4527573A (en) * | 1982-11-05 | 1985-07-09 | Philip Morris Incorporated | Filter cigarette |
US4532943A (en) * | 1982-09-30 | 1985-08-06 | Philip Morris Incorporated | Adjustable filter cigarette |
US4570649A (en) * | 1982-09-30 | 1986-02-18 | Philip Morris Incorporated | Filter cigarette |
US4595024A (en) * | 1984-08-31 | 1986-06-17 | R. J. Reynolds Tobacco Company | Segmented cigarette |
US4649944A (en) * | 1982-09-30 | 1987-03-17 | Philip Morris Incorporated | Filter cigarette |
US4700726A (en) * | 1986-05-02 | 1987-10-20 | R. J. Reynolds Tobacco Company | Cigarette rods having segmented sections |
US4754766A (en) * | 1985-07-20 | 1988-07-05 | British-American Tobacco Company Limited | Tobacco smoke filters |
US4793365A (en) * | 1984-09-14 | 1988-12-27 | R. J. Reynolds Tobacco Company | Smoking article |
US4867182A (en) * | 1988-03-16 | 1989-09-19 | R. J. Reynolds Tobacco Company | Temperature/humidity controlled valve for a smoking article |
US5019122A (en) * | 1987-08-21 | 1991-05-28 | R. J. Reynolds Tobacco Company | Smoking article with an enclosed heat conductive capsule containing an aerosol forming substance |
WO1992012647A1 (fr) * | 1978-07-17 | 1992-08-06 | Perrine Charles P | Cigarette a barriere |
WO1998049911A1 (fr) * | 1997-05-09 | 1998-11-12 | Sung Michael T | Procede et produit pour reduire la teneur des cigarettes en nicotine et en goudron |
US6162398A (en) * | 1998-04-16 | 2000-12-19 | Becton Dickinson And Company | Assay device using shrink wrap |
US6367481B1 (en) | 1998-01-06 | 2002-04-09 | Philip Morris Incorporated | Cigarette having reduced sidestream smoke |
US20020153017A1 (en) * | 2001-04-23 | 2002-10-24 | Nikolaos Georgitsis | Filters and method for producing filters |
US20040261807A1 (en) * | 2003-06-23 | 2004-12-30 | Dube Michael Francis | Filtered cigarette incorporating a breakable capsule |
US20050070409A1 (en) * | 2003-09-12 | 2005-03-31 | Deal Philip Andrew | Method and apparatus for incorporating objects into cigarette filters |
US20070012327A1 (en) * | 2005-05-03 | 2007-01-18 | Philip Morris Usa Inc. | Cigarettes and filter subassemblies with squeezable flavor capsule and methods of manufacture |
EP1754419A1 (fr) * | 2005-08-15 | 2007-02-21 | Philip Morris Products S.A. | Dispositif pour la liberation de liquide dans un article à fumer |
US20070068540A1 (en) * | 2005-09-23 | 2007-03-29 | Thomas Timothy F | Equipment for insertion of objects into smoking articles |
US20070186941A1 (en) * | 2006-02-10 | 2007-08-16 | Holton Darrell E Jr | Smokeless tobacco composition |
US20080302373A1 (en) * | 2007-06-11 | 2008-12-11 | R.J. Reynolds Tobacco Company | Apparatus for Inserting Objects into a Filter Component of a Smoking Article, and Associated Method |
EP2179666A2 (fr) | 2007-07-23 | 2010-04-28 | R.J.Reynolds Tobacco Company | Composition de tabac sans fumée et procédé pour le traitement du tabac pour de tels usages |
WO2010107756A1 (fr) | 2009-03-19 | 2010-09-23 | R. J. Reynolds Tobacco Company | Appareil permettant d'insérer des objets dans un composant de filtre d'un article à fumer, et procédé associé |
US7810507B2 (en) | 2006-02-10 | 2010-10-12 | R. J. Reynolds Tobacco Company | Smokeless tobacco composition |
US20100294290A1 (en) * | 2008-01-25 | 2010-11-25 | Wenhui Zhang | Process for manufacturing breakable capsules useful in tobacco products |
WO2011028372A1 (fr) | 2009-08-24 | 2011-03-10 | R.J. Reynolds Tobacco Company | Article à fumer segmenté à couche d'isolation |
WO2011039302A1 (fr) * | 2009-10-02 | 2011-04-07 | British American Tobacco Japan, Ltd | Filtre contenant un matériau additif |
US20110162665A1 (en) * | 2010-01-07 | 2011-07-07 | Aiger Group Ag | Method, system and apparatus for registration of different objects in rod shaped articles |
US20110162662A1 (en) * | 2010-01-05 | 2011-07-07 | Aiger Group Ag | Apparatus and method for insertion of capsules into filter tows |
WO2011094171A1 (fr) | 2010-01-27 | 2011-08-04 | R. J. Reynolds Tobacco Company | Appareil et procédé associé permettant de former un composant de filtre d'un article à fumer |
US20110232659A1 (en) * | 2010-03-26 | 2011-09-29 | Philip Morris Usa Inc. | Methods of manufacturing cigarettes and filter subassemblies with squeezable flavor capsule |
US8066011B2 (en) | 2003-09-30 | 2011-11-29 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
WO2012021638A2 (fr) | 2010-08-11 | 2012-02-16 | R. J. Reynolds Tobacco Company | Appareil permettant de trier des objets et procédé associé |
WO2012030946A1 (fr) | 2010-09-02 | 2012-03-08 | R. J. Reynolds Tobacco Company | Appareil de fabrication d'un produit de tabac sans fumée et procédé associé |
US8186359B2 (en) | 2008-02-01 | 2012-05-29 | R. J. Reynolds Tobacco Company | System for analyzing a filter element associated with a smoking article, and associated method |
US8308623B2 (en) | 2008-10-28 | 2012-11-13 | R.J. Reynolds Tobacco Company | Apparatus for enhancing a filter component of a smoking article, and associated method |
EP2554060A1 (fr) | 2011-08-01 | 2013-02-06 | JT International S.A. | Élément filtrant intégrant une capsule cassable, procédé de fabrication d'une cigarette dotée d'un élément filtrant intégrant une capsule cassable et appareil pour fabriquer une cigarette dotée d'un élément filtrant intégrant une capsule cassable |
US8475348B2 (en) | 2010-09-28 | 2013-07-02 | Aiger Group Ag | Apparatus and method for assembly of multi-segment rod-like articles |
US8622882B2 (en) | 2010-09-27 | 2014-01-07 | Aiger Group Ag | Apparatus and method for insertion of capsules into filter tows |
WO2014040111A1 (fr) | 2012-09-17 | 2014-03-20 | Tannpapier Gmbh | Papier pour manchette |
WO2014040109A1 (fr) | 2012-09-17 | 2014-03-20 | Tannpapier Gmbh | Structure en couches pour filtre d'article à fumer |
US8739802B2 (en) | 2006-10-02 | 2014-06-03 | R.J. Reynolds Tobacco Company | Filtered cigarette |
US8808153B2 (en) | 2009-07-14 | 2014-08-19 | Aiger Group Ag | Apparatus for assembly of multi-segment rod-like articles |
US9307789B2 (en) | 2011-12-01 | 2016-04-12 | Tannpapier Gmbh | Mouthpiece lining paper for a smoking article |
US9339059B2 (en) | 2011-12-23 | 2016-05-17 | Tannpapier Gmbh | Mouthpiece lining paper, formed as a film/foil, of a filter cigarette |
WO2016090075A1 (fr) | 2014-12-05 | 2016-06-09 | R. J. Reynolds Tobacco Company | Sachet de tabac sans fumée |
WO2017035324A1 (fr) | 2015-08-26 | 2017-03-02 | R. J. Reynolds Tobacco Company | Système d'inspection d'objet en capsule et procédé associé |
WO2017125895A1 (fr) | 2016-01-21 | 2017-07-27 | R. J. Reynolds Tobacco Company | Système d'essai de rupture d'objet du type capsule et procédé associé |
WO2018002042A1 (fr) * | 2016-06-27 | 2018-01-04 | Philip Morris Products S.A. | Article à fumer avec réglage combiné de la ventilation et de l'efficacité de filtration |
CN104780792B (zh) * | 2012-07-18 | 2018-10-02 | 益升华过滤产品开发私人有限公司 | 烟草烟雾过滤器 |
US10182594B2 (en) | 2013-12-31 | 2019-01-22 | Philip Morris Products S.A. | Smoking article with dual additive delivery system |
US10329068B2 (en) | 2016-05-23 | 2019-06-25 | R.J. Reynolds Tobacco Company | Flavoring mechanism for a tobacco related material |
CN111491526A (zh) * | 2017-10-25 | 2020-08-04 | 英美烟草(投资)有限公司 | 用于吸烟制品或气溶胶生成产品的过滤嘴 |
US11058143B2 (en) | 2017-10-19 | 2021-07-13 | R.J. Reynolds Tobacco Company | Smoking-related article inspection systems and associated methods |
EP3552502B1 (fr) | 2010-03-26 | 2021-10-13 | Philip Morris Products S.A. | Filtre de bouchon d'espace avec capsule parfumée |
US11388927B2 (en) | 2018-04-05 | 2022-07-19 | R.J. Reynolds Tobacco Company | Cigarette filter object insertion apparatus and associated method |
US11793230B2 (en) | 2019-12-09 | 2023-10-24 | Nicoventures Trading Limited | Oral products with improved binding of active ingredients |
US11826462B2 (en) | 2019-12-09 | 2023-11-28 | Nicoventures Trading Limited | Oral product with sustained flavor release |
US11872231B2 (en) | 2019-12-09 | 2024-01-16 | Nicoventures Trading Limited | Moist oral product comprising an active ingredient |
WO2024079722A1 (fr) | 2022-10-14 | 2024-04-18 | Nicoventures Trading Limited | Produits en sachet contenant des capsules |
US11969502B2 (en) | 2019-12-09 | 2024-04-30 | Nicoventures Trading Limited | Oral products |
WO2024089588A1 (fr) | 2022-10-24 | 2024-05-02 | Nicoventures Trading Limited | Produits en forme de sachet |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5710550Y2 (fr) * | 1978-11-15 | 1982-03-01 | ||
US4340072A (en) * | 1979-11-16 | 1982-07-20 | Imperial Group Limited | Smokeable device |
US4433696A (en) | 1981-10-02 | 1984-02-28 | Philip Morris Incorporated | Variable dilution filter |
USRE32221E (en) * | 1981-10-02 | 1986-08-12 | Variable dilution filter | |
US4564030A (en) * | 1982-07-16 | 1986-01-14 | Loew's Theatres, Inc. | Cigarette filter assembly |
JPS59501443A (ja) * | 1982-07-23 | 1984-08-16 | フィリップ・モーリス・プロダクツ・インコーポレイテッド | シガレツトおよびその製造法 |
GB9004140D0 (en) * | 1990-02-23 | 1990-04-18 | Rothmans International Ltd | Cigarette or cigar |
US5254092A (en) * | 1992-09-15 | 1993-10-19 | American Medical Systems, Inc. | Fluid flow check valve |
ES2133585T3 (es) * | 1993-10-23 | 1999-09-16 | Imp Tobacco Co Ltd | Mejoras introducidas en articulos de fumar. |
GB2490728A (en) * | 2011-05-13 | 2012-11-14 | British American Tobacco Co | Filter for a smoking article |
Citations (2)
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US3091243A (en) * | 1961-01-11 | 1963-05-28 | Frank C Guida | Self-extinguishing cigarette |
US3800805A (en) * | 1971-10-11 | 1974-04-02 | Brown & Williamson Tobacco | Smoking articles |
-
1972
- 1972-06-06 GB GB2636872A patent/GB1400278A/en not_active Expired
-
1973
- 1973-05-28 ZA ZA733606A patent/ZA733606B/xx unknown
- 1973-05-30 AU AU56301/73A patent/AU472899B2/en not_active Expired
- 1973-05-31 CA CA172,950A patent/CA981550A/en not_active Expired
- 1973-06-04 US US366756A patent/US3916914A/en not_active Expired - Lifetime
- 1973-06-04 FI FI1806/73A patent/FI56617C/fi active
- 1973-06-05 CH CH814573A patent/CH590621A5/xx not_active IP Right Cessation
- 1973-06-05 FR FR7320297A patent/FR2188410A5/fr not_active Expired
- 1973-06-05 DE DE2328457A patent/DE2328457C3/de not_active Expired
- 1973-06-05 JP JP6430973A patent/JPS5615225B2/ja not_active Expired
- 1973-06-05 NL NL7307797A patent/NL7307797A/xx not_active Application Discontinuation
- 1973-06-06 BE BE131963A patent/BE800556A/fr unknown
- 1973-06-06 BR BR4234/73A patent/BR7304234D0/pt unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US3091243A (en) * | 1961-01-11 | 1963-05-28 | Frank C Guida | Self-extinguishing cigarette |
US3800805A (en) * | 1971-10-11 | 1974-04-02 | Brown & Williamson Tobacco | Smoking articles |
Cited By (133)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992012647A1 (fr) * | 1978-07-17 | 1992-08-06 | Perrine Charles P | Cigarette a barriere |
US4452259A (en) * | 1981-07-10 | 1984-06-05 | Loews Theatres, Inc. | Smoking articles having a reduced free burn time |
US4649944A (en) * | 1982-09-30 | 1987-03-17 | Philip Morris Incorporated | Filter cigarette |
US4532943A (en) * | 1982-09-30 | 1985-08-06 | Philip Morris Incorporated | Adjustable filter cigarette |
US4570649A (en) * | 1982-09-30 | 1986-02-18 | Philip Morris Incorporated | Filter cigarette |
US4526183A (en) * | 1982-09-30 | 1985-07-02 | Philip Morris Incorporated | Filter cigarette |
US4527573A (en) * | 1982-11-05 | 1985-07-09 | Philip Morris Incorporated | Filter cigarette |
US4595024A (en) * | 1984-08-31 | 1986-06-17 | R. J. Reynolds Tobacco Company | Segmented cigarette |
US4793365A (en) * | 1984-09-14 | 1988-12-27 | R. J. Reynolds Tobacco Company | Smoking article |
US5076292A (en) * | 1984-09-14 | 1991-12-31 | R. J. Reynolds Tobacco Company | Smoking article |
US4754766A (en) * | 1985-07-20 | 1988-07-05 | British-American Tobacco Company Limited | Tobacco smoke filters |
US4700726A (en) * | 1986-05-02 | 1987-10-20 | R. J. Reynolds Tobacco Company | Cigarette rods having segmented sections |
US5019122A (en) * | 1987-08-21 | 1991-05-28 | R. J. Reynolds Tobacco Company | Smoking article with an enclosed heat conductive capsule containing an aerosol forming substance |
US4867182A (en) * | 1988-03-16 | 1989-09-19 | R. J. Reynolds Tobacco Company | Temperature/humidity controlled valve for a smoking article |
WO1998049911A1 (fr) * | 1997-05-09 | 1998-11-12 | Sung Michael T | Procede et produit pour reduire la teneur des cigarettes en nicotine et en goudron |
US6153119A (en) * | 1997-05-09 | 2000-11-28 | Sung; Michael | Method and product for reducing tar and nicotine in cigarettes |
US6367481B1 (en) | 1998-01-06 | 2002-04-09 | Philip Morris Incorporated | Cigarette having reduced sidestream smoke |
US20020174875A1 (en) * | 1998-01-06 | 2002-11-28 | Nichols Walter A. | Cigarette having reduced sidestream smoke |
US6823873B2 (en) | 1998-01-06 | 2004-11-30 | Philip Morris Usa Inc. | Cigarette having reduced sidestream smoke |
US6162398A (en) * | 1998-04-16 | 2000-12-19 | Becton Dickinson And Company | Assay device using shrink wrap |
US20020153017A1 (en) * | 2001-04-23 | 2002-10-24 | Nikolaos Georgitsis | Filters and method for producing filters |
US20060272663A1 (en) * | 2003-06-23 | 2006-12-07 | Dube Michael F | Filtered cigarette incorporating a breakable capsule |
US20040261807A1 (en) * | 2003-06-23 | 2004-12-30 | Dube Michael Francis | Filtered cigarette incorporating a breakable capsule |
EP1638420A2 (fr) * | 2003-06-23 | 2006-03-29 | R.J. Reynolds Tobacco Company | Cigarette a filtre integrant une capsule rupturable |
US20110023896A1 (en) * | 2003-06-23 | 2011-02-03 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating a breakable capsule |
US7836895B2 (en) | 2003-06-23 | 2010-11-23 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating a breakable capsule |
US11019842B2 (en) * | 2003-06-23 | 2021-06-01 | R.J. Reynolds Tobacco Company | Filtered cigarette incorporating a breakable capsule |
US7984719B2 (en) | 2003-06-23 | 2011-07-26 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating a breakable capsule |
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Also Published As
Publication number | Publication date |
---|---|
BR7304234D0 (pt) | 1974-07-25 |
FI56617C (fi) | 1980-03-10 |
AU5630173A (en) | 1974-12-05 |
JPS5615225B2 (fr) | 1981-04-09 |
DE2328457B2 (de) | 1978-10-12 |
NL7307797A (fr) | 1973-12-10 |
ZA733606B (en) | 1974-04-24 |
GB1400278A (en) | 1975-07-16 |
FR2188410A5 (fr) | 1974-01-18 |
DE2328457C3 (de) | 1979-06-13 |
BE800556A (fr) | 1973-10-01 |
DE2328457A1 (de) | 1973-12-20 |
CH590621A5 (fr) | 1977-08-15 |
FI56617B (fi) | 1979-11-30 |
AU472899B2 (en) | 1976-06-10 |
CA981550A (en) | 1976-01-13 |
JPS4954599A (fr) | 1974-05-27 |
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