GB2119221B - Cigarette filter - Google Patents

Cigarette filter

Info

Publication number
GB2119221B
GB2119221B GB08308216A GB8308216A GB2119221B GB 2119221 B GB2119221 B GB 2119221B GB 08308216 A GB08308216 A GB 08308216A GB 8308216 A GB8308216 A GB 8308216A GB 2119221 B GB2119221 B GB 2119221B
Authority
GB
United Kingdom
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
GB08308216A
Other versions
GB2119221A (en
GB8308216D0 (en
Inventor
David Richard Townsend
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.)
Essentra PLC
Original Assignee
Filtrona PLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10529535&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2119221(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Filtrona PLC filed Critical Filtrona PLC
Publication of GB8308216D0 publication Critical patent/GB8308216D0/en
Publication of GB2119221A publication Critical patent/GB2119221A/en
Application granted granted Critical
Publication of GB2119221B publication Critical patent/GB2119221B/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
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • 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
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
GB08308216A 1982-04-05 1983-03-25 Cigarette filter Expired GB2119221B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8210074 1982-04-05

Publications (3)

Publication Number Publication Date
GB8308216D0 GB8308216D0 (en) 1983-05-05
GB2119221A GB2119221A (en) 1983-11-16
GB2119221B true GB2119221B (en) 1986-05-29

Family

ID=10529535

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08308216A Expired GB2119221B (en) 1982-04-05 1983-03-25 Cigarette filter

Country Status (16)

Country Link
JP (1) JPS58198284A (en)
KR (1) KR850000939A (en)
AT (1) AT386508B (en)
BE (1) BE896352A (en)
BR (1) BR8301801A (en)
CH (1) CH656508A5 (en)
DE (1) DE3311902C3 (en)
ES (1) ES281061Y (en)
FR (1) FR2524274A1 (en)
GB (1) GB2119221B (en)
HK (1) HK86789A (en)
IT (1) IT1163227B (en)
NL (1) NL191750B (en)
NO (1) NO157803C (en)
PT (1) PT76468B (en)
SE (1) SE460882B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3743597C1 (en) * 1987-12-22 1989-02-16 Bat Cigarettenfab Gmbh Coaxial cigarette
DE3901226C1 (en) * 1989-01-17 1990-07-26 B.A.T. Cigarettenfabriken Gmbh, 2000 Hamburg, De
GB8908535D0 (en) * 1989-04-14 1989-06-01 Tabac Fab Reunies Sa Cigarette and filter thereof
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
AU635095B2 (en) * 1990-08-24 1993-03-11 Philip Morris Products Inc. 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
GB9122447D0 (en) * 1991-10-23 1991-12-04 Rothmans Int Tobacco Lightweight cigarette filter and cigarettes incorporating such filters
DE19718296B4 (en) * 1997-04-30 2006-06-29 British American Tobacco (Germany) Gmbh Ventilated filter cigarette with a coaxial filter element
JP2001120249A (en) * 1999-10-22 2001-05-08 Mitsubishi Rayon Co Ltd Filter tip
JP2001120250A (en) * 1999-10-22 2001-05-08 Mitsubishi Rayon Co Ltd Filter tip
GB2380391A (en) 2001-10-03 2003-04-09 Filtrona Int Ltd Cigarette filter containing differently coloured filaments
US8113215B2 (en) 2007-06-21 2012-02-14 Philip Morris Usa Inc. Smoking article filter having liquid additive containing tubes therein
GB201311079D0 (en) 2013-06-21 2013-08-07 British American Tobacco Co A method of fabricating a filter element
GB201608814D0 (en) * 2016-05-19 2016-07-06 British American Tobacco Co Filter rod and apparatus and method for filter rod manufacture
GB201608815D0 (en) * 2016-05-19 2016-07-06 British American Tobacco Co Filter rod and apparatus and method
GB2556331A (en) * 2016-09-14 2018-05-30 British American Tobacco Investments Ltd A container
BR112020015960A2 (en) 2018-03-08 2020-12-15 Philip Morris Products S.A. AEROSOL GENERATING ARTICLES
CN116473274A (en) * 2018-10-08 2023-07-25 益升华过滤产品开发私人有限公司 Cooling element

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490461A (en) * 1967-04-20 1970-01-20 Philip Morris Inc Cigarette ventilation
FR1531543A (en) * 1967-05-22 1968-07-05 Seita New mouthpiece for smoking products
GB1236208A (en) * 1967-09-15 1971-06-23 Molins Machine Co Ltd Improvements in or relating to mouthpieces for cigarettes
US4034765A (en) * 1975-10-30 1977-07-12 Liggett & Myers Incorporated Tobacco smoke filter
CH621051A5 (en) * 1976-12-15 1981-01-15 Cigarette Components Ltd Tobacco smoke filter and manufacturing process for this
JPS5913181B2 (en) * 1977-04-19 1984-03-28 ダイセル化学工業株式会社 Method and apparatus for manufacturing rod-shaped fiber fillers
JPS5446900A (en) * 1977-09-20 1979-04-13 Mitsubishi Acetate Co Ltd Cigarette filter
US4291711A (en) * 1979-03-27 1981-09-29 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter
US4362172A (en) * 1980-12-01 1982-12-07 Brown & Williamson Tobacco Corporation Cigarette filter
DE3109422A1 (en) * 1981-03-12 1982-09-30 Henkel KGaA, 4000 Düsseldorf "SLEEVE FOR GLUING PIPE ENDS"
US4637409A (en) * 1981-05-07 1987-01-20 American Filtrona Corporation Tobacco smoke filter and method and apparatus for making same
US4386618A (en) * 1981-06-29 1983-06-07 Brown & Williamson Tobacco Corporation Cigarette filter
AU556902B2 (en) * 1981-12-18 1986-11-27 Cigarette Components Limited Tobacco smoke filter

Also Published As

Publication number Publication date
NO157803C (en) 1988-05-25
ES281061U (en) 1985-04-01
KR850000939A (en) 1985-03-14
DE3311902C3 (en) 2002-07-11
IT1163227B (en) 1987-04-08
SE8301711D0 (en) 1983-03-28
PT76468A (en) 1983-04-01
JPH0542255B2 (en) 1993-06-28
HK86789A (en) 1989-11-10
DE3311902A1 (en) 1983-10-13
FR2524274B3 (en) 1985-01-25
BE896352A (en) 1983-08-01
AT386508B (en) 1988-09-12
PT76468B (en) 1986-01-13
BR8301801A (en) 1983-12-20
NO831155L (en) 1983-10-06
NL191750B (en) 1996-03-01
CH656508A5 (en) 1986-07-15
IT8320457A0 (en) 1983-04-05
FR2524274A1 (en) 1983-10-07
JPS58198284A (en) 1983-11-18
NO157803B (en) 1988-02-15
SE460882B (en) 1989-12-04
GB2119221A (en) 1983-11-16
GB8308216D0 (en) 1983-05-05
DE3311902C2 (en) 1997-04-10
SE8301711L (en) 1983-10-06
NL8301145A (en) 1983-11-01
ES281061Y (en) 1985-11-01
ATA119583A (en) 1988-02-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20030324