CA953600A - Cigarette filter - Google Patents

Cigarette filter

Info

Publication number
CA953600A
CA953600A CA134,465A CA134465A CA953600A CA 953600 A CA953600 A CA 953600A CA 134465 A CA134465 A CA 134465A CA 953600 A CA953600 A CA 953600A
Authority
CA
Canada
Prior art keywords
cigarette filter
cigarette
filter
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
Application number
CA134,465A
Other versions
CA134465S (en
Inventor
Thomas W. Summers
Kelsey E. Philpot
Robert R. Johnson
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 Investments Ltd IFI
Original Assignee
British American Tobacco Co Ltd
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 Co Ltd filed Critical British American Tobacco Co Ltd
Application granted granted Critical
Publication of CA953600A publication Critical patent/CA953600A/en
Expired 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
    • 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
    • A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
CA134,465A 1971-03-03 1972-02-10 Cigarette filter Expired CA953600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12064371A 1971-03-03 1971-03-03

Publications (1)

Publication Number Publication Date
CA953600A true CA953600A (en) 1974-08-27

Family

ID=22391637

Family Applications (1)

Application Number Title Priority Date Filing Date
CA134,465A Expired CA953600A (en) 1971-03-03 1972-02-10 Cigarette filter

Country Status (11)

Country Link
AU (1) AU461218B2 (en)
BE (1) BE780181A (en)
BR (1) BR7201174D0 (en)
CA (1) CA953600A (en)
CH (1) CH552352A (en)
DE (1) DE2209763C3 (en)
DK (1) DK126825B (en)
FI (1) FI50928C (en)
GB (1) GB1339238A (en)
NL (1) NL156312B (en)
ZA (1) ZA721212B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614199A (en) 1981-12-23 1986-09-30 American Filtrona Corporation Smoke filter having extended film overwrap and method and apparatus for fabricating same
US4675064A (en) * 1982-11-23 1987-06-23 American Filtrona Corporation Smoke filter having extended film overwrap and method and apparatus for fabricating same

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2531285C2 (en) * 1975-07-12 1982-10-28 Deutsche Benkert Gmbh & Co Kg, 4690 Herne Filter cigarette
GB1592549A (en) * 1976-10-06 1981-07-08 British American Tobacco Co Tobacco-smoke filters
US4082098A (en) * 1976-10-28 1978-04-04 Olin Corporation Flavored cigarette
GB1601221A (en) * 1977-03-18 1981-10-28 Liggett Group Inc Filter cigarette
US4174719A (en) * 1977-06-29 1979-11-20 Olin Corporation Microperforated filter tip cigarette
US4295478A (en) * 1979-04-11 1981-10-20 Rjr Archer, Inc. Composite tipping structure for use on an air-ventilated cigarette and method of manufacturing same
US4294265A (en) * 1980-04-04 1981-10-13 Philip Morris Incorporated Filter cigarette with inlet vent zones
SE453149B (en) * 1981-07-06 1988-01-18 Cigarette Components Ltd CIGARRETT FILTER WITH CROSS-BREAKING WINDOWS
US4517996A (en) * 1983-03-25 1985-05-21 Brown & Williamson Tobacco Corporation Ventilated filter and smoke dispersing mouthpiece
US4585015A (en) * 1984-11-16 1986-04-29 Brown & Williamson Tobacco Corporation Cigarette filter
CH668533A5 (en) * 1985-08-26 1989-01-13 Baumgartner Papiers Sa CIGARETTE FILTER UNIT.
GB8525967D0 (en) * 1985-10-22 1985-11-27 Cigarette Components Ltd Ventilated cigarette filter
US5509429A (en) * 1989-03-02 1996-04-23 Kothmans, Benson & Hedges Inc. Uniform tar delivery profile filter
ES2970265B2 (en) * 2022-10-24 2025-09-11 Univ Alicante Tobacco tar and toxic compound reducing filter manufacturing machine
ES2976092A1 (en) * 2022-10-24 2024-07-23 Univ Alicante INSTALLATION, MANUFACTURING PROCEDURE AND FILTER FOR REDUCING TAR AND TOXIC COMPOUNDS IN TOBACCO (Machine-translation by Google Translate, not legally binding)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614199A (en) 1981-12-23 1986-09-30 American Filtrona Corporation Smoke filter having extended film overwrap and method and apparatus for fabricating same
US4675064A (en) * 1982-11-23 1987-06-23 American Filtrona Corporation Smoke filter having extended film overwrap and method and apparatus for fabricating same

Also Published As

Publication number Publication date
NL156312B (en) 1978-04-17
DE2209763C3 (en) 1978-10-19
DK126825B (en) 1973-08-27
FI50928C (en) 1976-09-10
DE2209763B2 (en) 1978-02-16
NL7202646A (en) 1972-09-05
CH552352A (en) 1974-08-15
BR7201174D0 (en) 1973-09-13
BE780181A (en) 1972-09-04
AU461218B2 (en) 1975-05-22
ZA721212B (en) 1972-11-29
DE2209763A1 (en) 1972-09-07
AU3932072A (en) 1973-08-30
FI50928B (en) 1976-05-31
GB1339238A (en) 1973-11-28

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