GB1330936A - Filter devices for cigarettes or cigarette holders - Google Patents

Filter devices for cigarettes or cigarette holders

Info

Publication number
GB1330936A
GB1330936A GB4512271A GB4512271A GB1330936A GB 1330936 A GB1330936 A GB 1330936A GB 4512271 A GB4512271 A GB 4512271A GB 4512271 A GB4512271 A GB 4512271A GB 1330936 A GB1330936 A GB 1330936A
Authority
GB
United Kingdom
Prior art keywords
openings
filter
cigarettes
piston
perforations
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
GB4512271A
Other languages
English (en)
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
Publication of GB1330936A publication Critical patent/GB1330936A/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
    • A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
GB4512271A 1970-11-30 1971-09-28 Filter devices for cigarettes or cigarette holders Expired GB1330936A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1330936A true GB1330936A (en) 1973-09-19

Family

ID=22239610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4512271A Expired GB1330936A (en) 1970-11-30 1971-09-28 Filter devices for cigarettes or cigarette holders

Country Status (9)

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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433696A (en) 1981-10-02 1984-02-28 Philip Morris Incorporated Variable dilution filter
GB2126073A (en) * 1982-09-01 1984-03-21 Imp Group Plc Tipping assembly for an elongate smoking article
GB2158689A (en) * 1984-05-19 1985-11-20 British American Tobacco Co Improvements relating to smoking articles
USRE32221E (en) * 1981-10-02 1986-08-12 Variable dilution filter
GB2294861A (en) * 1994-11-09 1996-05-15 Baogang Ning Acomposite filter for a cigarette
WO1999065343A1 (en) * 1998-06-15 1999-12-23 Seiran Pogosyan Smokers' article
US6718987B1 (en) 1999-03-12 2004-04-13 Seiran Pogossian Smokers′ article
US10939701B2 (en) 2013-06-13 2021-03-09 Essentra Filter Products Development Co. Pte. Ltd Tobacco smoke filter

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984000478A1 (en) * 1982-07-23 1984-02-16 Philip Morris Inc Cigarettes and methods of manufacture
US4527573A (en) * 1982-11-05 1985-07-09 Philip Morris Incorporated Filter cigarette
US4526183A (en) * 1982-09-30 1985-07-02 Philip Morris Incorporated Filter cigarette
US4649944A (en) * 1982-09-30 1987-03-17 Philip Morris Incorporated Filter cigarette
US4570649A (en) * 1982-09-30 1986-02-18 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
US4620553A (en) * 1984-05-22 1986-11-04 Imperial Group Public Limited Company Tobacco smoke filters
CH665756A5 (de) * 1985-05-20 1988-06-15 Tobacco Res & Dev 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
US6318376B1 (en) * 1999-12-07 2001-11-20 Chih-Wen Cheng Filter tip structure for cigarette

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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433696A (en) 1981-10-02 1984-02-28 Philip Morris Incorporated Variable dilution filter
USRE32221E (en) * 1981-10-02 1986-08-12 Variable dilution filter
GB2126073A (en) * 1982-09-01 1984-03-21 Imp Group Plc Tipping assembly for an elongate smoking article
GB2158689A (en) * 1984-05-19 1985-11-20 British American Tobacco Co Improvements relating to smoking articles
GB2294861A (en) * 1994-11-09 1996-05-15 Baogang Ning Acomposite filter for a cigarette
WO1999065343A1 (en) * 1998-06-15 1999-12-23 Seiran Pogosyan Smokers' article
US6718987B1 (en) 1999-03-12 2004-04-13 Seiran Pogossian Smokers′ article
US10939701B2 (en) 2013-06-13 2021-03-09 Essentra Filter Products Development Co. Pte. Ltd Tobacco smoke filter

Also Published As

Publication number Publication date
US3695274A (en) 1972-10-03
AU3593971A (en) 1973-05-24
ZA717384B (en) 1972-07-26
DE2156043B2 (de) 1976-05-20
DE2156043A1 (de) 1972-05-31
CH545601A (enrdf_load_stackoverflow) 1974-02-15
BR7107540D0 (pt) 1973-02-22
BE776025A (fr) 1972-05-30
NL7115951A (enrdf_load_stackoverflow) 1972-06-01
NL154926B (nl) 1977-11-15
AU450226B2 (en) 1974-07-04
CA947604A (en) 1974-05-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee