FR2518374B1 - Filtre ventile de structure non homogene pour fumee de tabac - Google Patents

Filtre ventile de structure non homogene pour fumee de tabac

Info

Publication number
FR2518374B1
FR2518374B1 FR8221320A FR8221320A FR2518374B1 FR 2518374 B1 FR2518374 B1 FR 2518374B1 FR 8221320 A FR8221320 A FR 8221320A FR 8221320 A FR8221320 A FR 8221320A FR 2518374 B1 FR2518374 B1 FR 2518374B1
Authority
FR
France
Prior art keywords
tobacco smoke
homogeneous structure
ventilated filter
ventilated
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
FR8221320A
Other languages
English (en)
French (fr)
Other versions
FR2518374A1 (fr
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 FR2518374A1 publication Critical patent/FR2518374A1/fr
Application granted granted Critical
Publication of FR2518374B1 publication Critical patent/FR2518374B1/fr
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
FR8221320A 1981-12-18 1982-12-20 Filtre ventile de structure non homogene pour fumee de tabac Expired FR2518374B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8138273 1981-12-18

Publications (2)

Publication Number Publication Date
FR2518374A1 FR2518374A1 (fr) 1983-06-24
FR2518374B1 true FR2518374B1 (fr) 1986-10-31

Family

ID=10526707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8221320A Expired FR2518374B1 (fr) 1981-12-18 1982-12-20 Filtre ventile de structure non homogene pour fumee de tabac

Country Status (14)

Country Link
JP (1) JPS58155073A (ja)
AU (1) AU556902B2 (ja)
BE (1) BE895390A (ja)
CH (1) CH651184A5 (ja)
DE (1) DE3246898A1 (ja)
DK (1) DK560282A (ja)
FR (1) FR2518374B1 (ja)
GB (1) GB2113066B (ja)
IT (1) IT1155005B (ja)
NL (1) NL8204909A (ja)
NO (1) NO157124C (ja)
PT (1) PT76005B (ja)
SE (1) SE8207227L (ja)
ZA (1) ZA829280B (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119221B (en) * 1982-04-05 1986-05-29 Filtrona Ltd Cigarette filter
US4545391A (en) * 1983-05-26 1985-10-08 Brown & Williamson Tobacco Corporation Cigarette filter
DK88890A (da) * 1989-04-14 1990-10-15 Tabac Fab Reunies Sa Cigaret og filter dertil
GB8908535D0 (en) * 1989-04-14 1989-06-01 Tabac Fab Reunies Sa Cigarette and filter thereof
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
AU635095B2 (en) * 1990-08-24 1993-03-11 Philip Morris Products Inc. Concentric smoking filter having discrete tow and web filter media
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
GB9122447D0 (en) * 1991-10-23 1991-12-04 Rothmans Int Tobacco Lightweight cigarette filter and cigarettes incorporating such filters
GB9122448D0 (en) * 1991-10-23 1991-12-04 Rothmans Int Tobacco Filter tip cigarette
DE19718296B4 (de) * 1997-04-30 2006-06-29 British American Tobacco (Germany) Gmbh Ventilierte Filtercigarette mit einem koaxialen Filterelement
GB0713905D0 (en) 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter
UA125529C2 (uk) * 2017-06-09 2022-04-13 Філіп Морріс Продактс С.А. Виріб, що генерує аерозоль, який має волокнистий фільтруючий сегмент
US11877593B2 (en) 2017-11-28 2024-01-23 Philip Morris Products S.A. Aerosol generating article having improved mouth end cavity

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059649A (en) * 1959-11-20 1962-10-23 Bernhard Edgar Cigarette structure
FR1353720A (fr) * 1962-02-27 1964-02-28 Procédé d'épuration de la fumée de tabac et filtre pour sa mise en oeuvre
GB1336267A (en) * 1972-03-15 1973-11-07 Webb F Filter for cigarettes cigars cheroots pipes and like smoking articles
US4034765A (en) * 1975-10-30 1977-07-12 Liggett & Myers Incorporated Tobacco smoke filter
US4026306A (en) * 1975-11-06 1977-05-31 American Filtrona Corporation Tobacco smoke filter
US4291711A (en) * 1979-03-27 1981-09-29 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
US4357950A (en) * 1980-05-27 1982-11-09 American Filtrona Corporation Tobacco smoke filter having improved tar/carbon monoxide ratio

Also Published As

Publication number Publication date
IT8224837A0 (it) 1982-12-17
CH651184A5 (fr) 1985-09-13
GB2113066A (en) 1983-08-03
IT8224837A1 (it) 1984-06-17
BE895390A (fr) 1983-06-17
DK560282A (da) 1983-06-19
AU9153382A (en) 1983-06-23
SE8207227D0 (sv) 1982-12-17
DE3246898A1 (de) 1983-07-28
AU556902B2 (en) 1986-11-27
SE8207227L (sv) 1983-06-19
PT76005B (fr) 1985-03-18
ZA829280B (en) 1983-10-26
NL8204909A (nl) 1983-07-18
NO157124C (no) 1988-01-27
GB2113066B (en) 1985-10-30
IT1155005B (it) 1987-01-21
JPS58155073A (ja) 1983-09-14
FR2518374A1 (fr) 1983-06-24
PT76005A (fr) 1983-01-01
NO824265L (no) 1983-06-20
NO157124B (no) 1987-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse