BE776025A - Filtre pour cigarette - Google Patents

Filtre pour cigarette

Info

Publication number
BE776025A
BE776025A BE776025A BE776025A BE776025A BE 776025 A BE776025 A BE 776025A BE 776025 A BE776025 A BE 776025A BE 776025 A BE776025 A BE 776025A BE 776025 A BE776025 A BE 776025A
Authority
BE
Belgium
Prior art keywords
cigarette filter
cigarette
filter
Prior art date
Application number
BE776025A
Other languages
English (en)
Inventor
T W Summers
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 BE776025A publication Critical patent/BE776025A/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
    • A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter
BE776025A 1970-11-30 1971-11-30 Filtre pour cigarette BE776025A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9356070A 1970-11-30 1970-11-30

Publications (1)

Publication Number Publication Date
BE776025A true BE776025A (fr) 1972-05-30

Family

ID=22239610

Family Applications (1)

Application Number Title Priority Date Filing Date
BE776025A BE776025A (fr) 1970-11-30 1971-11-30 Filtre pour cigarette

Country Status (9)

Country Link
US (1) US3695274A (fr)
AU (1) AU450226B2 (fr)
BE (1) BE776025A (fr)
BR (1) BR7107540D0 (fr)
CA (1) CA947604A (fr)
CH (1) CH545601A (fr)
GB (1) GB1330936A (fr)
NL (1) NL154926B (fr)
ZA (1) ZA717384B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32221E (en) * 1981-10-02 1986-08-12 Variable dilution filter
US4433696A (en) 1981-10-02 1984-02-28 Philip Morris Incorporated Variable dilution filter
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
DE3374164D1 (en) * 1982-09-01 1987-12-03 Imp Tobacco Co Ltd Tipping assembly for an elongate smoking article
US4570649A (en) * 1982-09-30 1986-02-18 Philip Morris Incorporated Filter cigarette
US4527573A (en) * 1982-11-05 1985-07-09 Philip Morris Incorporated Filter cigarette
US4649944A (en) * 1982-09-30 1987-03-17 Philip Morris Incorporated Filter cigarette
US4526183A (en) * 1982-09-30 1985-07-02 Philip Morris Incorporated Filter cigarette
US4532943A (en) * 1982-09-30 1985-08-06 Philip Morris Incorporated Adjustable filter cigarette
US4559955A (en) * 1983-06-20 1985-12-24 Link Electronics Ltd Controlled air bleed cigarette holder
GB2158689B (en) * 1984-05-19 1987-11-18 British American Tobacco Co Improvements relating to smoking articles
US4620553A (en) * 1984-05-22 1986-11-04 Imperial Group Public Limited Company Tobacco smoke filters
DE3616617A1 (de) * 1985-05-20 1986-11-20 Tobacco Research and Development Institute Ltd., Zug Zigarette
US4649945A (en) * 1985-12-05 1987-03-17 R. J. Reynolds Tobacco Company Adjustable air dilution cigarette exhibiting controlled pressure drop
US4649941A (en) * 1985-12-16 1987-03-17 R. J. Reynolds Tobacco Company Adjustable air dilution cigarette exhibiting controlled pressure drop
US4638820A (en) * 1986-02-03 1987-01-27 R. J. Reynolds Tobacco Company Puff control cigarette
BE1000454A4 (nl) * 1987-04-09 1988-12-13 Tabacofina Nv Mondstuk voor sigaretten en dergelijke.
US4949736A (en) * 1988-03-16 1990-08-21 R. J. Reynolds Tobacco Company Variable ventilation mouthpiece for a smoking article
US4898190A (en) * 1989-03-01 1990-02-06 R. J. Reynolds Tabacco Company Adjustable air dilution cigarette with pressure drop compensation
GB9023368D0 (en) * 1990-10-26 1990-12-05 Rothmans International Ltd Smoking article
CN1109304A (zh) * 1994-11-09 1995-10-04 宁宝纲 一种卷烟复合滤嘴
RU2125822C1 (ru) * 1998-06-15 1999-02-10 Погосян Сейран Амаякович Курительное изделие
RU2138974C1 (ru) 1999-03-12 1999-10-10 Погосян Сейран Амаякович Курительное изделие
US6318376B1 (en) * 1999-12-07 2001-11-20 Chih-Wen Cheng Filter tip structure for cigarette
GB201310599D0 (en) 2013-06-13 2013-07-31 Filtrona Filter Prod Dev Co Tabacco smoke filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2145733A (en) * 1938-02-01 1939-01-31 Palumbo Peter Filter and ejector for cigarette and cigar holders
US2764513A (en) * 1954-04-02 1956-09-25 Abe R Brothers Cigarette with means for removing deleterious products of combustion
US3335733A (en) * 1965-03-15 1967-08-15 John M Brooks Smoke filter
US3512537A (en) * 1968-11-27 1970-05-19 U S Remedy Corp Adjustable aerated cigarette

Also Published As

Publication number Publication date
NL154926B (nl) 1977-11-15
NL7115951A (fr) 1972-06-01
GB1330936A (en) 1973-09-19
DE2156043A1 (de) 1972-05-31
CH545601A (fr) 1974-02-15
ZA717384B (en) 1972-07-26
US3695274A (en) 1972-10-03
CA947604A (en) 1974-05-21
DE2156043B2 (de) 1976-05-20
AU450226B2 (en) 1974-07-04
BR7107540D0 (pt) 1973-02-22
AU3593971A (en) 1973-05-24

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BRITISH AMERICAN TOBACCO CY LTD

Effective date: 19891130