US3916914A - Smoking articles - Google Patents

Smoking articles Download PDF

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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
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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
Application number
US366756A
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English (en)
Inventor
Geoffrey O Brooks
Robin A Crellin
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Brown and Williamson Holdings Inc
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Brown and Williamson Tobacco Corp
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Publication date
Application filed by Brown and Williamson Tobacco Corp filed Critical Brown and Williamson Tobacco Corp
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Publication of US3916914A publication Critical patent/US3916914A/en
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    • 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.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
US366756A 1972-06-06 1973-06-04 Smoking articles Expired - Lifetime US3916914A (en)

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)

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US (1) US3916914A (de)
JP (1) JPS5615225B2 (de)
AU (1) AU472899B2 (de)
BE (1) BE800556A (de)
BR (1) BR7304234D0 (de)
CA (1) CA981550A (de)
CH (1) CH590621A5 (de)
DE (1) DE2328457C3 (de)
FI (1) FI56617C (de)
FR (1) FR2188410A5 (de)
GB (1) GB1400278A (de)
NL (1) NL7307797A (de)
ZA (1) ZA733606B (de)

Cited By (66)

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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 (en) * 1978-07-17 1992-08-06 Perrine Charles P Barrierized cigarette
WO1998049911A1 (en) * 1997-05-09 1998-11-12 Sung Michael T Method and product for reducing tar and nicotine in cigarettes
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 (de) * 2005-08-15 2007-02-21 Philip Morris Products S.A. Vorrichtung zum Freisetzen von Flüssigkeit für Rauchartikel
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 (de) 2007-07-23 2010-04-28 R.J.Reynolds Tobacco Company Rauchlose Tabakzusammensetzungen und Verfahren zur Behandlung von Tabak zu dessen Verwendung darin
WO2010107756A1 (en) 2009-03-19 2010-09-23 R. J. Reynolds Tobacco Company Apparatus for inserting objects into a filter component of a smoking article, and associated method
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 (en) 2009-08-24 2011-03-10 R.J. Reynolds Tobacco Company Segmented smoking article with insulation mat
WO2011039302A1 (en) * 2009-10-02 2011-04-07 British American Tobacco Japan, Ltd A filter comprising an additive material
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 (en) 2010-01-27 2011-08-04 R. J. Reynolds Tobacco Company Apparatus and associated method for forming a filter component of a smoking article
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 (en) 2010-08-11 2012-02-16 R. J. Reynolds Tobacco Company Apparatus for sorting objects, and associated method
WO2012030946A1 (en) 2010-09-02 2012-03-08 R. J. Reynolds Tobacco Company Apparatus for manufacturing a smokeless tobacco product incorporating an object, and associated method
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 (de) 2011-08-01 2013-02-06 JT International S.A. Filterelement mit einer zerbrechlichen Kapsel, Verfahren zur Herstellung einer Zigarette mit einem Filterelement mit einer zerbrechlichen Kapsel und Vorrichtung zur Herstellung der Zigarette mit einem Filterelement mit einer zerbrechlichen Kapsel
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
WO2014040109A1 (de) 2012-09-17 2014-03-20 Tannpapier Gmbh Schichtverbund für einem rauchartikelfilter
WO2014040111A1 (de) 2012-09-17 2014-03-20 Tannpapier Gmbh Mundstueckbelagspapier
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 (en) 2014-12-05 2016-06-09 R. J. Reynolds Tobacco Company Smokeless tobacco pouch
WO2017035324A1 (en) 2015-08-26 2017-03-02 R. J. Reynolds Tobacco Company Capsule object inspection system and associated method
WO2017125895A1 (en) 2016-01-21 2017-07-27 R. J. Reynolds Tobacco Company Capsule object rupture testing system and associated method
WO2018002042A1 (en) * 2016-06-27 2018-01-04 Philip Morris Products S.A. Smoking article with combined ventilation and filtration efficiency adjustment
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 (de) 2010-03-26 2021-10-13 Philip Morris Products S.A. Filter mit kammer mit aromakapsel
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 (en) 2022-10-14 2024-04-18 Nicoventures Trading Limited Capsule-containing pouched products
US11969502B2 (en) 2019-12-09 2024-04-30 Nicoventures Trading Limited Oral products
WO2024089588A1 (en) 2022-10-24 2024-05-02 Nicoventures Trading Limited Shaped pouched products
US12064424B2 (en) 2019-12-09 2024-08-20 Nicoventures Trading Limited Moist oral compositions

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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
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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
ATE179576T1 (de) * 1993-10-23 1999-05-15 Imp Tobacco Co Ltd Rauchartikeln
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Cited By (135)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992012647A1 (en) * 1978-07-17 1992-08-06 Perrine Charles P Barrierized cigarette
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 (en) * 1997-05-09 1998-11-12 Sung Michael T Method and product for reducing tar and nicotine in cigarettes
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 (de) * 2003-06-23 2006-03-29 R.J. Reynolds Tobacco Company Filterzigarette, die eine aufbrechbare kapsel umfasst
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
US7793665B2 (en) 2003-06-23 2010-09-14 R.J. Reynolds Tobacco Company Filtered cigarette incorporating a breakable capsule
US20110232658A1 (en) * 2003-06-23 2011-09-29 R.J. Reynolds Tobacco Company Filtered cigarette incorporating a breakable capsule
EP1638420A4 (de) * 2003-06-23 2012-07-11 Reynolds Tobacco Co R Filterzigarette, die eine aufbrechbare kapsel umfasst
US9282768B2 (en) 2003-09-12 2016-03-15 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US7833146B2 (en) 2003-09-12 2010-11-16 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US7115085B2 (en) 2003-09-12 2006-10-03 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US8142339B2 (en) 2003-09-12 2012-03-27 R.J. Reynolds Tabacco Company Method and apparatus for incorporating objects into cigarette filters
US20110059831A1 (en) * 2003-09-12 2011-03-10 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US20060293157A1 (en) * 2003-09-12 2006-12-28 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US7654945B2 (en) 2003-09-12 2010-02-02 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US20100099543A1 (en) * 2003-09-12 2010-04-22 R.J. Reynolds Tobacco Company Method and Apparatus For Incorporating Objects Into Cigarette Filters
US20050070409A1 (en) * 2003-09-12 2005-03-31 Deal Philip Andrew Method and apparatus for incorporating objects into cigarette filters
US10188141B2 (en) 2003-09-12 2019-01-29 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US8512213B2 (en) 2003-09-12 2013-08-20 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US8066011B2 (en) 2003-09-30 2011-11-29 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US9554594B2 (en) 2003-09-30 2017-01-31 R.J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US20070012327A1 (en) * 2005-05-03 2007-01-18 Philip Morris Usa Inc. Cigarettes and filter subassemblies with squeezable flavor capsule and methods of manufacture
US9907335B2 (en) 2005-05-03 2018-03-06 Philip Morris Usa Inc. Cigarettes and filter subassemblies with squeezable flavor capsule and methods of manufacture
US20110100387A1 (en) * 2005-05-03 2011-05-05 Philip Morris Usa Inc. Cigarettes and filter subassemblies with squeezable flavor capsule and methods of manufacture
US11219243B2 (en) 2005-05-03 2022-01-11 Philip Morris Usa Inc. Cigarettes and filter subassemblies with squeezable flavor capsule and methods of manufacture
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DE2328457A1 (de) 1973-12-20
AU472899B2 (en) 1976-06-10
FR2188410A5 (de) 1974-01-18
FI56617B (fi) 1979-11-30
DE2328457C3 (de) 1979-06-13
GB1400278A (en) 1975-07-16
AU5630173A (en) 1974-12-05
DE2328457B2 (de) 1978-10-12
ZA733606B (en) 1974-04-24
JPS5615225B2 (de) 1981-04-09
FI56617C (fi) 1980-03-10
CA981550A (en) 1976-01-13
CH590621A5 (de) 1977-08-15
NL7307797A (de) 1973-12-10
BR7304234D0 (pt) 1974-07-25
JPS4954599A (de) 1974-05-27
BE800556A (fr) 1973-10-01

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