FR2524775A1 - Filtre a cigarette - Google Patents

Filtre a cigarette Download PDF

Info

Publication number
FR2524775A1
FR2524775A1 FR8305771A FR8305771A FR2524775A1 FR 2524775 A1 FR2524775 A1 FR 2524775A1 FR 8305771 A FR8305771 A FR 8305771A FR 8305771 A FR8305771 A FR 8305771A FR 2524775 A1 FR2524775 A1 FR 2524775A1
Authority
FR
France
Prior art keywords
filter
core
envelope
pressure drop
grooved
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.)
Granted
Application number
FR8305771A
Other languages
English (en)
French (fr)
Other versions
FR2524775B3 (it
Inventor
Ernest Brian Hayes
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
Application filed by Filtrona PLC filed Critical Filtrona PLC
Publication of FR2524775A1 publication Critical patent/FR2524775A1/fr
Application granted granted Critical
Publication of FR2524775B3 publication Critical patent/FR2524775B3/fr
Granted 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

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
FR8305771A 1982-04-08 1983-04-08 Filtre a cigarette Granted FR2524775A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8210585 1982-04-08

Publications (2)

Publication Number Publication Date
FR2524775A1 true FR2524775A1 (fr) 1983-10-14
FR2524775B3 FR2524775B3 (it) 1985-01-25

Family

ID=10529642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8305771A Granted FR2524775A1 (fr) 1982-04-08 1983-04-08 Filtre a cigarette

Country Status (10)

Country Link
BE (1) BE896393A (it)
CH (1) CH660836A5 (it)
DE (1) DE3312706A1 (it)
FR (1) FR2524775A1 (it)
GB (1) GB2118819B (it)
IT (1) IT1194191B (it)
NL (1) NL8301255A (it)
NO (1) NO157125C (it)
PT (1) PT76503B (it)
SE (1) SE8301884L (it)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2555871A1 (fr) * 1983-12-05 1985-06-07 Brown & Williamson Tobacco Embout pour cigarette et cigarette equipee de cet embout
FR2555870A1 (fr) * 1983-12-05 1985-06-07 Brown & Williamson Tobacco Cigarette a filtre
FR2578397A1 (fr) * 1985-03-06 1986-09-12 Brown & Williamson Tobacco Embout ameliore pour article de tabac a fumer
FR2588727A1 (fr) * 1985-10-22 1987-04-24 Cigarette Components Ltd Filtre aere pour cigarette et cigarette utilisant un tel filtre
EP0797931A1 (fr) * 1996-03-29 1997-10-01 Societe Nationale D'exploitation Industrielle Des Tabacs Et Allumettes Cigarette à filtre ventilé à double tronçon de filtrage, aromatisé par le gainage du filtre
EP1093728A1 (en) * 1999-07-29 2001-04-25 Filtrona International Limited Filter for a cigarette and a filter-tipped cigarette
WO2009144496A1 (en) * 2008-05-30 2009-12-03 British American Tobacco (Investments) Limited Filter for a smoking article

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201016387D0 (en) * 2010-09-29 2010-11-10 Filtrona Int Ltd Tobacco smoke filter
RU2630359C2 (ru) 2012-09-28 2017-09-07 Филип Моррис Продактс С.А. Курительное изделие с уменьшенным окрашиванием мундштука
EP3761812B1 (en) * 2018-03-08 2023-08-23 Philip Morris Products S.A. Aerosol generating articles
CN109645559A (zh) * 2018-12-25 2019-04-19 杨成云 一种多层瓦楞纸沟槽滤棒
WO2020215972A1 (zh) * 2019-04-22 2020-10-29 博颉(上海)管理咨询有限公司 一种烟草制品及其制作方法
WO2020228424A1 (zh) * 2019-05-10 2020-11-19 博颉(上海)管理咨询有限公司 加热不燃烧烟支
GB202116870D0 (en) * 2021-11-23 2022-01-05 Essentra Filter Products Dev Co Pte Ltd Paper filter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1308661A (en) * 1970-02-21 1973-02-21 Cigarette Components Ltd Device for treating tobacco smoke
GB1319862A (en) * 1970-07-23 1973-06-13 British American Tobacco Co Tobacco-smoke filters

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2555871A1 (fr) * 1983-12-05 1985-06-07 Brown & Williamson Tobacco Embout pour cigarette et cigarette equipee de cet embout
FR2555870A1 (fr) * 1983-12-05 1985-06-07 Brown & Williamson Tobacco Cigarette a filtre
FR2578397A1 (fr) * 1985-03-06 1986-09-12 Brown & Williamson Tobacco Embout ameliore pour article de tabac a fumer
FR2588727A1 (fr) * 1985-10-22 1987-04-24 Cigarette Components Ltd Filtre aere pour cigarette et cigarette utilisant un tel filtre
EP0797931A1 (fr) * 1996-03-29 1997-10-01 Societe Nationale D'exploitation Industrielle Des Tabacs Et Allumettes Cigarette à filtre ventilé à double tronçon de filtrage, aromatisé par le gainage du filtre
EP1093728A1 (en) * 1999-07-29 2001-04-25 Filtrona International Limited Filter for a cigarette and a filter-tipped cigarette
US6718989B1 (en) 1999-07-29 2004-04-13 Japan Tobacco Inc. Filter for a cigarette and a filter-tipped cigarette
WO2009144496A1 (en) * 2008-05-30 2009-12-03 British American Tobacco (Investments) Limited Filter for a smoking article
US9066542B2 (en) 2008-05-30 2015-06-30 British American Tobacco (Investments) Limited Filter for a smoking article

Also Published As

Publication number Publication date
NO831109L (no) 1983-10-10
FR2524775B3 (it) 1985-01-25
SE8301884L (sv) 1983-10-09
NO157125B (no) 1987-10-19
IT1194191B (it) 1988-09-14
DE3312706A1 (de) 1983-10-13
IT8320484A1 (it) 1984-10-07
NO157125C (no) 1988-06-01
PT76503A (en) 1983-05-01
IT8320484A0 (it) 1983-04-07
PT76503B (en) 1986-01-27
SE8301884D0 (sv) 1983-04-06
BE896393A (fr) 1983-10-07
GB2118819A (en) 1983-11-09
GB2118819B (en) 1986-09-24
GB8309058D0 (en) 1983-05-11
CH660836A5 (fr) 1987-05-29
NL8301255A (nl) 1983-11-01

Similar Documents

Publication Publication Date Title
KR100390357B1 (ko) 담배용 필터 및 끝에 필터가 붙은 담배
FR2524775A1 (fr) Filtre a cigarette
US7987856B2 (en) Smoking article with bypass channel
US8573230B2 (en) Smoking article with coaxial tobacco rod
CH641016A5 (fr) Article a fumer.
EP0579410A1 (en) Improvements relating to smoking articles
US7856991B2 (en) Filter cigarette
BE1024591A1 (fr) Tube a bout filtre pour un article a fumer
CH656508A5 (fr) Elements de filtre pour cigarette, filtre et cigarette munis de ces elements.
CH669891A5 (it)
CH676911A5 (it)
CH660835A5 (fr) Element de filtre a fumee.
CH651184A5 (fr) Filtre pour fumee de tabac.
CH673559A5 (it)
FR2508773A1 (fr) Dispositif de filtrage de fumee de tabac
LU84816A1 (fr) Filtre de cigarette
FR2508774A1 (fr) Filtre a cigarette
GB2091078A (en) Ventilated cigarette filter
FR2497636A1 (fr) Filtre de cigarette
CH658573A5 (fr) Element de filtre pour fumee de tabac.
FR2546379A1 (fr) Filtre de cigarette
EP0880906B1 (fr) Cigarette à très faible taux de goudron présentant un goût de tabac comparable à celui d'une cigarette classique à plus fort taux de goudron
CH662250A5 (fr) Embout pour article a fumer.
LU86306A1 (fr) Embout ameliore pour article de tabac a fumer
FR2462110A1 (fr) Cigarette a plusieurs tabacs

Legal Events

Date Code Title Description
ST Notification of lapse