CA2007022C - Coaxial filter cigarette - Google Patents

Coaxial filter cigarette

Info

Publication number
CA2007022C
CA2007022C CA002007022A CA2007022A CA2007022C CA 2007022 C CA2007022 C CA 2007022C CA 002007022 A CA002007022 A CA 002007022A CA 2007022 A CA2007022 A CA 2007022A CA 2007022 C CA2007022 C CA 2007022C
Authority
CA
Canada
Prior art keywords
filter
wrapper
rod portion
coaxial
inner core
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 - Fee Related
Application number
CA002007022A
Other languages
English (en)
French (fr)
Other versions
CA2007022A1 (en
Inventor
Werner Schneider
Horst Borowski
Erwin Kausch
Rolf Kutting
Meinhard Meyer
Knut Moller
Bernd-Henrik Muller
Erhard Rittershaus
Gert Rudolph
Adolf Schluter
Wolfgang Wiethaup
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.)
British American Tobacco Germany GmbH
Original Assignee
British American Tobacco Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British American Tobacco Germany GmbH filed Critical British American Tobacco Germany GmbH
Publication of CA2007022A1 publication Critical patent/CA2007022A1/en
Application granted granted Critical
Publication of CA2007022C publication Critical patent/CA2007022C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Networks Using Active Elements (AREA)
CA002007022A 1989-01-17 1990-01-03 Coaxial filter cigarette Expired - Fee Related CA2007022C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3901226A DE3901226C1 (es) 1989-01-17 1989-01-17
DEP3901226.3 1989-01-17

Publications (2)

Publication Number Publication Date
CA2007022A1 CA2007022A1 (en) 1990-07-17
CA2007022C true CA2007022C (en) 1996-09-03

Family

ID=6372241

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002007022A Expired - Fee Related CA2007022C (en) 1989-01-17 1990-01-03 Coaxial filter cigarette

Country Status (10)

Country Link
EP (1) EP0378788B1 (es)
JP (1) JP2594657B2 (es)
AT (1) ATE96288T1 (es)
AU (1) AU621451B2 (es)
CA (1) CA2007022C (es)
DE (2) DE3901226C1 (es)
DK (1) DK173403B1 (es)
FI (1) FI89552C (es)
HK (1) HK1005842A1 (es)
MY (1) MY105180A (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK172979B1 (da) * 1987-12-22 1999-11-01 Bat Cigarettenfab Gmbh Koaksialcigaret
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
US5365951A (en) * 1990-08-24 1994-11-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
AU635095B2 (en) * 1990-08-24 1993-03-11 Philip Morris Products Inc. Concentric smoking filter having discrete tow and web filter media
US5105838A (en) * 1990-10-23 1992-04-21 R.J. Reynolds Tobacco Company Cigarette
DE4107026C1 (en) * 1991-03-01 1992-03-12 H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg, De Individual cigarette making kit - has highly porous areas in paper and tobacco plug
DE4107522C2 (de) * 1991-03-08 1994-02-17 Bat Cigarettenfab Gmbh Koaxialcigarette
DE4127420C2 (de) * 1991-08-19 1996-07-25 Bat Cigarettenfab Gmbh Koaxiale Filtercigarette
DE4321069C2 (de) * 1993-06-24 1998-09-10 Bat Cigarettenfab Gmbh Koaxiale Filtercigarette
DE59506078D1 (de) 1994-07-19 1999-07-08 Bat Cigarettenfab Gmbh Tabakpatrone
DE19703003A1 (de) * 1997-01-28 1998-07-30 Bat Cigarettenfab Gmbh Cigarette mit reduzierter Fleckenbildung und vermindertem Nebenstromrauch
DE19722812C2 (de) 1997-05-30 2003-02-13 Bat Cigarettenfab Gmbh Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
DE19757712C1 (de) * 1997-12-23 1999-06-24 Bat Cigarettenfab Gmbh Koaxialcigarette mit Querstromsperre und Verfahren zur Herstellung einer Koaxialcigarette
US6345625B1 (en) 1997-12-06 2002-02-12 Kar Eng Chew Filter for secondary smoke and smoking articles incorporating the same
ES2278350T3 (es) * 2003-09-30 2007-08-01 R.J. Reynolds Tobacco Company Varilla fumable para un cigarrillo.
US7503330B2 (en) 2003-09-30 2009-03-17 R.J. Reynolds Tobacco Company Smokable rod for a cigarette
US11602164B2 (en) * 2019-03-14 2023-03-14 Rai Strategic Holdings, Inc. Aerosol delivery device with graded porosity from inner to outer wall surfaces

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR998556A (fr) * 1945-10-29 1952-01-21 Papeteries De Mauduit Sa Des Cigarette
FR1322254A (fr) * 1962-02-14 1963-03-29 Cigare à deux étages et cigarette à deux étages
US3356094A (en) * 1965-09-22 1967-12-05 Battelle Memorial Institute Smoking devices
GB1086443A (en) * 1966-05-03 1967-10-11 James Alexander Everet Bell Cigarette
GB1228747A (es) * 1967-09-07 1971-04-15
DE2620335A1 (de) * 1976-05-07 1977-11-24 Brasec Gmbh Chemisch Physikali Schadstoffarme tabakwaren
US4219031A (en) * 1979-03-05 1980-08-26 Philip Morris Incorporated Smoking product having core of fibrillar carbonized matter
US4291711A (en) * 1979-03-27 1981-09-29 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
GB2070409A (en) * 1980-01-18 1981-09-09 British American Tobacco Co Filament, comprising smoke- modifying agent, in smoking article
GB2069310B (en) * 1980-02-20 1983-09-14 Molins Ltd Manufacture of cigarettes
GB2119221B (en) * 1982-04-05 1986-05-29 Filtrona Ltd Cigarette filter
GB8502651D0 (en) * 1985-02-01 1985-03-06 British American Tobacco Co Smoking articles
DE3743597C1 (de) * 1987-12-22 1989-02-16 Bat Cigarettenfab Gmbh Koaxialcigarette
DK172979B1 (da) * 1987-12-22 1999-11-01 Bat Cigarettenfab Gmbh Koaksialcigaret

Also Published As

Publication number Publication date
DK7390A (da) 1990-07-18
EP0378788A1 (de) 1990-07-25
JPH02234661A (ja) 1990-09-17
DE3901226C1 (es) 1990-07-26
DK7390D0 (da) 1990-01-11
AU621451B2 (en) 1992-03-12
DK173403B1 (da) 2000-09-25
FI900155A0 (fi) 1990-01-11
AU4850190A (en) 1990-07-26
FI89552B (fi) 1993-07-15
FI89552C (fi) 1993-10-25
MY105180A (en) 1994-08-30
JP2594657B2 (ja) 1997-03-26
CA2007022A1 (en) 1990-07-17
HK1005842A1 (en) 1999-01-29
DE58906030D1 (de) 1993-12-02
EP0378788B1 (de) 1993-10-27
ATE96288T1 (de) 1993-11-15
FI900155A (fi) 1990-07-18

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed