GB2088692B - Improved cigarette filter - Google Patents

Improved cigarette filter

Info

Publication number
GB2088692B
GB2088692B GB8134486A GB8134486A GB2088692B GB 2088692 B GB2088692 B GB 2088692B GB 8134486 A GB8134486 A GB 8134486A GB 8134486 A GB8134486 A GB 8134486A GB 2088692 B GB2088692 B GB 2088692B
Authority
GB
United Kingdom
Prior art keywords
cigarette filter
improved cigarette
improved
filter
cigarette
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
GB8134486A
Other languages
English (en)
Other versions
GB2088692A (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.)
Brown and Williamson Holdings Inc
Original Assignee
Brown and Williamson Tobacco Corp
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 Brown and Williamson Tobacco Corp filed Critical Brown and Williamson Tobacco Corp
Publication of GB2088692A publication Critical patent/GB2088692A/en
Application granted granted Critical
Publication of GB2088692B publication Critical patent/GB2088692B/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
    • 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
GB8134486A 1980-11-28 1981-11-16 Improved cigarette filter Expired GB2088692B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/210,877 US4343319A (en) 1980-11-28 1980-11-28 Cigarette filter

Publications (2)

Publication Number Publication Date
GB2088692A GB2088692A (en) 1982-06-16
GB2088692B true GB2088692B (en) 1985-03-20

Family

ID=22784642

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8134486A Expired GB2088692B (en) 1980-11-28 1981-11-16 Improved cigarette filter

Country Status (39)

Country Link
US (1) US4343319A (en:Method)
JP (1) JPS57110185A (en:Method)
KR (1) KR830006941A (en:Method)
AR (1) AR226391A1 (en:Method)
AT (1) AT381010B (en:Method)
AU (1) AU541395B2 (en:Method)
BE (1) BE891246A (en:Method)
BG (1) BG38783A3 (en:Method)
BR (1) BR8107697A (en:Method)
CA (1) CA1167730A (en:Method)
CH (1) CH655428B (en:Method)
CS (1) CS227339B2 (en:Method)
DE (1) DE3143964A1 (en:Method)
DK (1) DK524481A (en:Method)
ES (1) ES271788Y (en:Method)
FI (1) FI813664A7 (en:Method)
FR (1) FR2494967B1 (en:Method)
GB (1) GB2088692B (en:Method)
GR (1) GR77307B (en:Method)
GT (1) GT198172575A (en:Method)
HK (1) HK54485A (en:Method)
HU (1) HU187477B (en:Method)
IL (1) IL64321A (en:Method)
IN (1) IN154450B (en:Method)
IT (1) IT1139823B (en:Method)
KE (1) KE3533A (en:Method)
LU (1) LU83782A1 (en:Method)
MY (1) MY8600153A (en:Method)
NL (1) NL8105296A (en:Method)
NO (1) NO153282C (en:Method)
NZ (1) NZ198847A (en:Method)
PH (1) PH18680A (en:Method)
PL (1) PL129913B1 (en:Method)
SE (1) SE8106834L (en:Method)
SG (1) SG34585G (en:Method)
TR (1) TR21364A (en:Method)
YU (1) YU278881A (en:Method)
ZA (1) ZA817948B (en:Method)
ZW (1) ZW28181A1 (en:Method)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492238A (en) 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
US4423744A (en) * 1981-12-23 1984-01-03 American Filtrona Corporation Tobacco smoke filter contoured to provide undiluted air flow and method and apparatus for manufacturing same
US4406295A (en) * 1982-02-16 1983-09-27 Brown & Williamson Tobacco Corporation Cigarette filter
US4406294A (en) * 1982-02-16 1983-09-27 Brown & Williamson Tobacco Corporation Cigarette filter
US4424819A (en) 1982-03-31 1984-01-10 Brown & Williamson Tobacco Corporation Cigarette filter
US4724848A (en) * 1982-08-18 1988-02-16 British-American Tobacco Company Limited Smoking article filters
GB2126073B (en) * 1982-09-01 1986-06-18 Imp Group Plc Tipping assembly for an elongate smoking article
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
US4527573A (en) * 1982-11-05 1985-07-09 Philip Morris Incorporated Filter cigarette
US4532943A (en) * 1982-09-30 1985-08-06 Philip Morris Incorporated Adjustable filter cigarette
US4570649A (en) * 1982-09-30 1986-02-18 Philip Morris Incorporated Filter cigarette
US4506683A (en) * 1983-05-09 1985-03-26 Brown & Williamson Tobacco Corporation Ventilated mouthpiece for a smoking article
US4580584A (en) * 1984-02-21 1986-04-08 Brown & Williamson Tobacco Corporation Cigarette filter
US4643206A (en) * 1984-02-21 1987-02-17 Brown & Williamson Tobacco Corporation Cigarette filter
EP0167863B1 (de) * 1984-06-20 1988-01-07 H.F. & Ph.F. Reemtsma GmbH & Co Variabel ventilierbare Filterzigarette
GB8429104D0 (en) * 1984-11-17 1984-12-27 British American Tobacco Co Tobacco smoke filters
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
US4708150A (en) * 1986-08-25 1987-11-24 Brown & Williamson Tobacco Corporation Cigarette filter
GB8713904D0 (en) * 1987-06-15 1987-07-22 Tabac Fab Reunies Sa Filter for smoking articles
US4898190A (en) * 1989-03-01 1990-02-06 R. J. Reynolds Tabacco Company Adjustable air dilution cigarette with pressure drop compensation
US5195543A (en) * 1991-10-28 1993-03-23 American Filtrona Corporation Balanced flow tobacco smoke filter
US5392792A (en) * 1993-04-13 1995-02-28 R. J. Reynolds Tobacco Company Reduced gas phase cigarette
EP1321050B1 (de) 2001-12-18 2006-10-04 British American Tobacco (Germany) GmbH Filter für einen rauchbaren Artikel
AU2006202993B2 (en) * 2001-12-18 2007-09-20 British American Tobacco (Investments) Limited Ventilated smoking article
MY177466A (en) 2006-03-28 2020-09-16 Philip Morris Products Sa Smoking article with a restrictor
US8353298B2 (en) * 2006-07-12 2013-01-15 Philip Morris Usa Inc. Smoking article with impaction filter segment
US20080047571A1 (en) * 2006-07-12 2008-02-28 Philip Morris Usa Inc. Smoking article with plate impactor
US8424539B2 (en) * 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
TW200911141A (en) 2007-03-09 2009-03-16 Philip Morris Prod Super recessed filter cigarette restrictor
TW200900014A (en) 2007-03-09 2009-01-01 Philip Morris Prod Smoking article filter with annular restrictor and downstream ventilation
TW200911138A (en) 2007-03-09 2009-03-16 Philip Morris Prod Smoking articles with restrictor and aerosol former
GB0809865D0 (en) 2008-05-30 2008-07-09 British American Tobacco Co Filter for a smoking article
GB0821803D0 (en) * 2008-12-01 2009-01-07 British American Tobacco Co Smoking article filter
EP2253231A1 (en) * 2009-05-18 2010-11-24 Philip Morris Products S.A. Smoking article with improved flow restriction element
US8424540B2 (en) 2009-10-09 2013-04-23 Philip Morris Usa Inc. Smoking article with valved restrictor
US9138016B2 (en) 2010-03-26 2015-09-22 Philip Morris Usa Inc. Smoking articles with significantly reduced gas vapor phase smoking constituents
ITBO20130640A1 (it) * 2013-11-25 2015-05-26 Gd Spa Elemento filtrante ed articolo da fumo comprendente tale elemento filtrante.
CN103859572B (zh) * 2014-01-28 2015-08-19 川渝中烟工业有限责任公司 降低苯酚释放量的打叶复烤方法
CN111920088B (zh) * 2019-05-13 2022-11-11 湖北中烟工业有限责任公司 烟草制品的过滤部件、以及用于制造过滤部件的方法及设备
CN114376265A (zh) * 2022-01-12 2022-04-22 深圳麦时科技有限公司 一种加热不燃烧型气溶胶生成制品

Family Cites Families (11)

* 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
US3854384A (en) * 1971-05-24 1974-12-17 Brown & Williamson Tobacco Corp Method of making tobacco smoke filters
GB1323947A (en) * 1971-05-24 1973-07-18 British American Tobacco Co Tobacco-smoke filters
US3752165A (en) * 1971-12-20 1973-08-14 G Harllee Smoke filter plug and process and cigarette made therefrom
GB1414745A (en) * 1973-02-26 1975-11-19 Cigarette Components Ltd Tobacco smoke filter
GB1428018A (en) * 1973-02-27 1976-03-17 British American Tobacco Co Filtering device for a smoking product
US3910288A (en) * 1973-02-27 1975-10-07 Brown & Williamson Tobacco Corp Programmed filter
US4022221A (en) * 1975-10-31 1977-05-10 American Filtrona Corporation Tobacco smoke filter
GB1527705A (en) * 1976-03-01 1978-10-11 Liggett & Myers Inc Cigarette filter
GB1585862A (en) * 1976-11-19 1981-03-11 British American Tobacco Co Tobacco-smoke filters
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter

Also Published As

Publication number Publication date
GR77307B (en:Method) 1984-09-11
GT198172575A (es) 1983-05-17
KE3533A (en) 1985-06-07
NL8105296A (nl) 1982-06-16
JPS57110185A (en) 1982-07-08
BR8107697A (pt) 1982-08-24
CA1167730A (en) 1984-05-22
DK524481A (da) 1982-05-29
IN154450B (en:Method) 1984-10-27
ES271788U (es) 1983-10-01
BE891246A (fr) 1982-03-16
NZ198847A (en) 1984-03-30
CS227339B2 (en) 1984-04-16
ES271788Y (es) 1984-04-01
AR226391A1 (es) 1982-06-30
YU278881A (en) 1983-10-31
KR830006941A (ko) 1983-10-12
PH18680A (en) 1985-08-29
IT8125219A0 (it) 1981-11-23
FI813664L (fi) 1982-05-29
IT1139823B (it) 1986-09-24
NO153282C (no) 1986-02-19
LU83782A1 (fr) 1982-05-07
PL234035A1 (en:Method) 1982-06-07
AU541395B2 (en) 1985-01-03
AT381010B (de) 1986-08-11
ATA479781A (de) 1986-01-15
IL64321A0 (en) 1982-02-28
ZW28181A1 (en) 1982-04-14
US4343319A (en) 1982-08-10
BG38783A3 (bg) 1986-02-28
CH655428B (en:Method) 1986-04-30
FR2494967A1 (fr) 1982-06-04
MY8600153A (en) 1986-12-31
GB2088692A (en) 1982-06-16
FR2494967B1 (fr) 1985-07-26
SE8106834L (sv) 1982-05-29
NO814008L (no) 1982-06-01
ZA817948B (en) 1982-10-27
HU187477B (en) 1986-01-28
HK54485A (en) 1985-07-26
NO153282B (no) 1985-11-11
SG34585G (en) 1985-11-15
IL64321A (en) 1986-03-31
PL129913B1 (en) 1984-06-30
TR21364A (tr) 1984-05-01
FI813664A7 (fi) 1982-05-29
DE3143964A1 (de) 1982-07-01
AU7745081A (en) 1982-06-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee