DE3901226C1 - - Google Patents

Info

Publication number
DE3901226C1
DE3901226C1 DE3901226A DE3901226A DE3901226C1 DE 3901226 C1 DE3901226 C1 DE 3901226C1 DE 3901226 A DE3901226 A DE 3901226A DE 3901226 A DE3901226 A DE 3901226A DE 3901226 C1 DE3901226 C1 DE 3901226C1
Authority
DE
Germany
Prior art keywords
filter
inner core
strand
coaxial
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 - Lifetime
Application number
DE3901226A
Other languages
German (de)
English (en)
Inventor
Werner Dipl.-Phys. Dr. 2085 Quickborn De Schneider
Horst 2000 Hamburg De Borowski
Erwin Dipl.-Chem. Dr. Kausch
Rolf 2112 Jesteburg De Kuetting
Meinhard Dipl.-Ing. 2081 Appen De Meyer
Knut Dipl.-Ing. Moeller
Bernd-Henrik Dipl.-Phys. Dr. Mueller
Erhard Dipl.-Ing. Dr. Rittershaus
Gert Dipl.-Chem. Dr. 2000 Hamburg De Rudolph
Adolf Dipl.-Ing. Dr. 2085 Quickborn De Schlueter
Wolfgang Dipl.-Phys. Dr. 2000 Hamburg De 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
BAT Cigarettenfabriken 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 BAT Cigarettenfabriken GmbH filed Critical BAT Cigarettenfabriken GmbH
Priority to DE3901226A priority Critical patent/DE3901226C1/de
Priority to EP89121849A priority patent/EP0378788B1/de
Priority to AT89121849T priority patent/ATE96288T1/de
Priority to DE89121849T priority patent/DE58906030D1/de
Priority to CA002007022A priority patent/CA2007022C/en
Priority to DK199000073A priority patent/DK173403B1/da
Priority to FI900155A priority patent/FI89552C/fi
Priority to MYPI90000061A priority patent/MY105180A/en
Priority to JP2006979A priority patent/JP2594657B2/ja
Priority to AU48501/90A priority patent/AU621451B2/en
Application granted granted Critical
Publication of DE3901226C1 publication Critical patent/DE3901226C1/de
Priority to US07/711,346 priority patent/US5265626A/en
Priority to HK98105018A priority patent/HK1005842A1/xx
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
DE3901226A 1989-01-17 1989-01-17 Expired - Lifetime DE3901226C1 (pl)

Priority Applications (12)

Application Number Priority Date Filing Date Title
DE3901226A DE3901226C1 (pl) 1989-01-17 1989-01-17
EP89121849A EP0378788B1 (de) 1989-01-17 1989-11-27 Koaxiale Filtercigarette
AT89121849T ATE96288T1 (de) 1989-01-17 1989-11-27 Koaxiale filtercigarette.
DE89121849T DE58906030D1 (de) 1989-01-17 1989-11-27 Koaxiale Filtercigarette.
CA002007022A CA2007022C (en) 1989-01-17 1990-01-03 Coaxial filter cigarette
FI900155A FI89552C (fi) 1989-01-17 1990-01-11 Koaxial filtercigarett
DK199000073A DK173403B1 (da) 1989-01-17 1990-01-11 Koaksial filtercigaret
MYPI90000061A MY105180A (en) 1989-01-17 1990-01-15 Coaxial filter cigarette
JP2006979A JP2594657B2 (ja) 1989-01-17 1990-01-16 同軸フィルターシガレット
AU48501/90A AU621451B2 (en) 1989-01-17 1990-01-16 Coaxial filter cigarette
US07/711,346 US5265626A (en) 1989-01-17 1991-06-03 Coaxial filter cigarette
HK98105018A HK1005842A1 (en) 1989-01-17 1998-06-06 Coaxial filter cigarette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3901226A DE3901226C1 (pl) 1989-01-17 1989-01-17

Publications (1)

Publication Number Publication Date
DE3901226C1 true DE3901226C1 (pl) 1990-07-26

Family

ID=6372241

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3901226A Expired - Lifetime DE3901226C1 (pl) 1989-01-17 1989-01-17
DE89121849T Expired - Lifetime DE58906030D1 (de) 1989-01-17 1989-11-27 Koaxiale Filtercigarette.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE89121849T Expired - Lifetime DE58906030D1 (de) 1989-01-17 1989-11-27 Koaxiale Filtercigarette.

Country Status (10)

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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0528186A1 (de) * 1991-08-19 1993-02-24 British-American Tobacco (Germany) GmbH Koaxiale Filtercigarette
EP0630587A1 (de) * 1993-06-24 1994-12-28 B.A.T. Cigarettenfabriken GmbH Koaxiale Filterzigarette
EP0693258A1 (de) 1994-07-19 1996-01-24 British-American Tobacco (Germany) GmbH Tabakpatrone
DE19703003A1 (de) * 1997-01-28 1998-07-30 Bat Cigarettenfab Gmbh Cigarette mit reduzierter Fleckenbildung und vermindertem Nebenstromrauch
EP0880904A1 (de) 1997-05-30 1998-12-02 British-American Tobacco (Germany) GmbH Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
EP0925728A1 (de) * 1997-12-23 1999-06-30 British-American Tobacco (Germany) GmbH Koaxialcigarette mit Querstromsperre

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI87131C (fi) * 1987-12-22 1992-12-10 Bat Cigarettenfab Gmbh Koaxialcigarett
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
DE4107522C2 (de) * 1991-03-08 1994-02-17 Bat Cigarettenfab Gmbh Koaxialcigarette
US6345625B1 (en) 1997-12-06 2002-02-12 Kar Eng Chew Filter for secondary smoke and smoking articles incorporating the same
ATE354296T1 (de) * 2003-09-30 2007-03-15 Reynolds Tobacco Co R Rauchbare stange für eine zigarette
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

Citations (9)

* 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
GB1086443A (en) * 1966-05-03 1967-10-11 James Alexander Everet Bell Cigarette
US3356094A (en) * 1965-09-22 1967-12-05 Battelle Memorial Institute Smoking devices
US3614956A (en) * 1967-09-07 1971-10-26 Brown & Williamson Tobacco Smoking articles
US4219031A (en) * 1979-03-05 1980-08-26 Philip Morris Incorporated Smoking product having core of fibrillar carbonized matter
GB2070409A (en) * 1980-01-18 1981-09-09 British American Tobacco Co Filament, comprising smoke- modifying agent, in smoking article
DE3602846A1 (de) * 1985-02-01 1986-08-07 British-American Tobacco Co. Ltd., London Rauchbarer artikel
DE3743597C1 (de) * 1987-12-22 1989-02-16 Bat Cigarettenfab Gmbh Koaxialcigarette

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620335A1 (de) * 1976-05-07 1977-11-24 Brasec Gmbh Chemisch Physikali Schadstoffarme tabakwaren
US4291711A (en) * 1979-03-27 1981-09-29 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
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
FI87131C (fi) * 1987-12-22 1992-12-10 Bat Cigarettenfab Gmbh Koaxialcigarett

Patent Citations (9)

* 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
US3614956A (en) * 1967-09-07 1971-10-26 Brown & Williamson Tobacco Smoking articles
US4219031A (en) * 1979-03-05 1980-08-26 Philip Morris Incorporated Smoking product having core of fibrillar carbonized matter
GB2070409A (en) * 1980-01-18 1981-09-09 British American Tobacco Co Filament, comprising smoke- modifying agent, in smoking article
DE3602846A1 (de) * 1985-02-01 1986-08-07 British-American Tobacco Co. Ltd., London Rauchbarer artikel
DE3743597C1 (de) * 1987-12-22 1989-02-16 Bat Cigarettenfab Gmbh Koaxialcigarette

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5379789A (en) * 1991-08-19 1995-01-10 B.A.T. Cigarettenfabriken Gmbh Coaxial filter cigarette
EP0528186A1 (de) * 1991-08-19 1993-02-24 British-American Tobacco (Germany) GmbH Koaxiale Filtercigarette
DE4127420A1 (de) * 1991-08-19 1993-02-25 Bat Cigarettenfab Gmbh Koaxiale filtercigarette
US5439011A (en) * 1993-06-24 1995-08-08 B.A.T. Cigarettenfabriken Gmbh Coaxial filter cigarette
DE4321069A1 (de) * 1993-06-24 1995-01-05 Bat Cigarettenfab Gmbh Koaxiale Filtercigarette
EP0630587A1 (de) * 1993-06-24 1994-12-28 B.A.T. Cigarettenfabriken GmbH Koaxiale Filterzigarette
DE4321069C2 (de) * 1993-06-24 1998-09-10 Bat Cigarettenfab Gmbh Koaxiale Filtercigarette
EP0693258A1 (de) 1994-07-19 1996-01-24 British-American Tobacco (Germany) GmbH Tabakpatrone
DE19703003A1 (de) * 1997-01-28 1998-07-30 Bat Cigarettenfab Gmbh Cigarette mit reduzierter Fleckenbildung und vermindertem Nebenstromrauch
WO1998032345A1 (en) 1997-01-28 1998-07-30 British American Tobacco (Investments) Limited Smoking articles
EP0880904A1 (de) 1997-05-30 1998-12-02 British-American Tobacco (Germany) GmbH Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
DE19722812C2 (de) * 1997-05-30 2003-02-13 Bat Cigarettenfab Gmbh Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
EP0925728A1 (de) * 1997-12-23 1999-06-30 British-American Tobacco (Germany) GmbH Koaxialcigarette mit Querstromsperre
WO1999033364A1 (en) * 1997-12-23 1999-07-08 British American Tobacco (Investments) Limited Coaxial cigarette with cross-flow stopper

Also Published As

Publication number Publication date
EP0378788A1 (de) 1990-07-25
CA2007022A1 (en) 1990-07-17
JP2594657B2 (ja) 1997-03-26
HK1005842A1 (en) 1999-01-29
ATE96288T1 (de) 1993-11-15
DK7390A (da) 1990-07-18
CA2007022C (en) 1996-09-03
AU621451B2 (en) 1992-03-12
FI89552B (fi) 1993-07-15
DK7390D0 (da) 1990-01-11
FI900155A0 (fi) 1990-01-11
DK173403B1 (da) 2000-09-25
AU4850190A (en) 1990-07-26
JPH02234661A (ja) 1990-09-17
FI89552C (fi) 1993-10-25
EP0378788B1 (de) 1993-10-27
FI900155A (fi) 1990-07-18
MY105180A (en) 1994-08-30
DE58906030D1 (de) 1993-12-02

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BRITISH-AMERICAN TOBACCO (GERMANY) GMBH, 20354 HAM