CH620578A5 - - Google Patents

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Publication number
CH620578A5
CH620578A5 CH1373777A CH1373777A CH620578A5 CH 620578 A5 CH620578 A5 CH 620578A5 CH 1373777 A CH1373777 A CH 1373777A CH 1373777 A CH1373777 A CH 1373777A CH 620578 A5 CH620578 A5 CH 620578A5
Authority
CH
Switzerland
Prior art keywords
smoke
filter
section
filter according
envelope
Prior art date
Application number
CH1373777A
Other languages
English (en)
French (fr)
Inventor
Henry George Horsewell
John David Green
John Anthony Luke
Raymond John Harrison
Original Assignee
British American Tobacco Co
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 filed Critical British American Tobacco Co
Publication of CH620578A5 publication Critical patent/CH620578A5/fr

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
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
CH1373777A 1976-11-19 1977-11-10 CH620578A5 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB48404/76A GB1585862A (en) 1976-11-19 1976-11-19 Tobacco-smoke filters

Publications (1)

Publication Number Publication Date
CH620578A5 true CH620578A5 (fi) 1980-12-15

Family

ID=10448498

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1373777A CH620578A5 (fi) 1976-11-19 1977-11-10

Country Status (11)

Country Link
US (1) US4213470A (fi)
AU (2) AU3068677A (fi)
BE (1) BE860985A (fi)
CA (1) CA1078698A (fi)
CH (1) CH620578A5 (fi)
DE (1) DE2751559A1 (fi)
DK (1) DK151171C (fi)
FI (1) FI61618C (fi)
GB (1) GB1585862A (fi)
NL (1) NL7712335A (fi)
ZA (1) ZA776589B (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA795207B (en) * 1978-10-19 1980-11-26 British American Tobacco Co Production of tobacco-smoke filters
CA1156533A (en) * 1980-05-01 1983-11-08 Henry G. Horsewell Smoking articles
US4338956A (en) * 1980-12-05 1982-07-13 Brown & Williamson Tobacco Corporation Cigarette filter
US4342322A (en) * 1980-12-22 1982-08-03 Brown & Williamson Tobacco Corporation Cigarette filter
US4492238A (en) 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
CA1212008A (en) * 1981-12-23 1986-09-30 Richard M. Berger Smoke filter having extended film overwrap and method and apparatus for fabricating same
FI70779C (fi) * 1982-11-13 1986-10-27 Bat Cigarettenfab Gmbh Filtermunstycke foer en roekprodukt
GB8302058D0 (en) * 1983-01-26 1983-03-02 British American Tobacco Co Tobacco-smoke filter
CA2311728C (en) * 1999-06-14 2004-01-27 Rothmans, Benson & Hedges Inc. Make-your-own cigarette
GB0809865D0 (en) 2008-05-30 2008-07-09 British American Tobacco Co Filter for a smoking article
GB0816937D0 (en) * 2008-09-16 2008-10-22 British American Tobacco Co Filter for a Smoking Article
GB0816933D0 (en) * 2008-09-16 2008-10-22 British American Tobacco Co Filter for a smoking article
GB0816935D0 (en) * 2008-09-16 2008-10-22 British American Tobacco Co Filter for a smoking article

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819720A (en) * 1955-07-01 1958-01-14 Burbig Henry Cigarette or cigar with filter
US2954773A (en) * 1958-01-23 1960-10-04 Mac Farland Aveyard & Company Cigarette filters and method of making same
GB1214319A (en) * 1967-12-21 1970-12-02 Molins Machine Co Ltd Improvements in or relating to mouthpiece cegarettes and like smoking articles
US3768489A (en) * 1970-10-05 1973-10-30 Eastman Kodak Co Tobacco smoke filter
BE790146A (fr) * 1971-10-27 1973-02-15 British American Tobacco Co Cigarette ventilee a bout filtre
US3752165A (en) * 1971-12-20 1973-08-14 G Harllee Smoke filter plug and process and cigarette made therefrom
FR2142412A5 (fi) * 1972-06-13 1973-01-26 Seita
US3964493A (en) * 1972-09-07 1976-06-22 Baker-Alpha Corporation Cigarette filter
US3811451A (en) * 1972-09-11 1974-05-21 American Filtrona Corp Tobacco smoke filter
SE381167B (sv) * 1974-03-13 1975-12-01 Svenska Tobaks Ab Filter for tobaksrok

Also Published As

Publication number Publication date
AU509480B1 (en) 1980-05-15
DE2751559A1 (de) 1978-05-24
GB1585862A (en) 1981-03-11
DK151171B (da) 1987-11-09
DK512177A (da) 1978-05-20
AU3068677A (en) 1979-05-24
NL7712335A (nl) 1978-05-23
FI773371A (fi) 1978-05-20
BE860985A (fr) 1978-03-16
FI61618B (fi) 1982-05-31
FI61618C (fi) 1982-09-10
US4213470A (en) 1980-07-22
ZA776589B (en) 1978-08-30
DE2751559C2 (fi) 1991-02-14
CA1078698A (en) 1980-06-03
DK151171C (da) 1988-04-25

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Legal Events

Date Code Title Description
PL Patent ceased