CH676911A5 - - Google Patents

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Publication number
CH676911A5
CH676911A5 CH1398/88A CH139888A CH676911A5 CH 676911 A5 CH676911 A5 CH 676911A5 CH 1398/88 A CH1398/88 A CH 1398/88A CH 139888 A CH139888 A CH 139888A CH 676911 A5 CH676911 A5 CH 676911A5
Authority
CH
Switzerland
Prior art keywords
filter
component
core
filter according
pressure drop
Prior art date
Application number
CH1398/88A
Other languages
English (en)
French (fr)
Inventor
Ernest Brian Hayes
Original Assignee
Cigarette Components 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 Cigarette Components Ltd filed Critical Cigarette Components Ltd
Publication of CH676911A5 publication Critical patent/CH676911A5/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
CH1398/88A 1987-04-16 1988-04-15 CH676911A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878709173A GB8709173D0 (en) 1987-04-16 1987-04-16 Ventilated cigarette filter

Publications (1)

Publication Number Publication Date
CH676911A5 true CH676911A5 (de) 1991-03-28

Family

ID=10615959

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1398/88A CH676911A5 (de) 1987-04-16 1988-04-15

Country Status (4)

Country Link
JP (1) JP2604419B2 (de)
CH (1) CH676911A5 (de)
GB (2) GB8709173D0 (de)
IT (1) IT1216580B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4205658A1 (de) * 1992-02-25 1993-08-26 Reemtsma H F & Ph Ventilierte filtercigarette
RU2138974C1 (ru) 1999-03-12 1999-10-10 Погосян Сейран Амаякович Курительное изделие
GB0603126D0 (en) * 2006-02-16 2006-03-29 British American Tobacco Co Improvements relating to smoking articles and filters therefor
GB0625818D0 (en) * 2006-12-21 2007-02-07 British American Tobacco Co Smoking article filter
EP2629633A4 (de) * 2010-10-06 2014-04-16 Celanese Acetate Llc Rauchfilter für rauchvorrichtungen mit porösen massen mit einer kohlenstoffpartikelladung und einem eingekapselten druckabbau
DK177983B1 (da) * 2010-11-08 2015-02-16 Pleasure Smoking Co Aps Koniske og cylindriske filter tips, og koniske og cylindriske hylstre
BR112015001803B1 (pt) 2012-08-06 2020-12-22 Philip Morris Products S.A. método para formar artigos para fumar com cavidades na extremidade de boca
EP3788890B1 (de) 2012-08-06 2023-06-28 Philip Morris Products S.A. Rauchartikel mit einem hohlraum am mundende
GB201219540D0 (en) 2012-10-31 2012-12-12 British American Tobacco Co A filter for a smoking article
GB201223159D0 (en) 2012-12-21 2013-02-06 British American Tobacco Co Insertable filter unit
JP2017099286A (ja) * 2014-03-31 2017-06-08 日本たばこ産業株式会社 たばこ製品用のフィルタ及びたばこ製品
JP6416512B2 (ja) * 2014-06-19 2018-10-31 株式会社ダイセル 中空状たばこフィルター部材の製造方法

Family Cites Families (8)

* 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
US4342322A (en) * 1980-12-22 1982-08-03 Brown & Williamson Tobacco Corporation Cigarette filter
GB2101869A (en) * 1981-07-06 1983-01-26 Filtrona Ltd Filtering means
US4564030A (en) * 1982-07-16 1986-01-14 Loew's Theatres, Inc. Cigarette filter assembly
GB8330894D0 (en) * 1983-11-18 1983-12-29 British American Tobacco Co Smoking-article mouthpiece elements
DE3345000C2 (de) * 1983-12-13 1985-10-31 H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg Ventilierte Filterzigarette mit Rillenfilter
US4580584A (en) * 1984-02-21 1986-04-08 Brown & Williamson Tobacco Corporation Cigarette filter
US4582072A (en) * 1984-06-25 1986-04-15 Brown & Williamson Tobacco Corporation Cigarette filter

Also Published As

Publication number Publication date
JPS6447366A (en) 1989-02-21
GB2203324B (en) 1991-05-29
GB8709173D0 (en) 1987-05-20
IT1216580B (it) 1990-03-08
GB2203324A (en) 1988-10-19
IT8820217A0 (it) 1988-04-15
JP2604419B2 (ja) 1997-04-30
GB8808840D0 (en) 1988-05-18

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Legal Events

Date Code Title Description
PL Patent ceased