BE899728A - Filtre de cigarette. - Google Patents

Filtre de cigarette.

Info

Publication number
BE899728A
BE899728A BE0/212987A BE212987A BE899728A BE 899728 A BE899728 A BE 899728A BE 0/212987 A BE0/212987 A BE 0/212987A BE 212987 A BE212987 A BE 212987A BE 899728 A BE899728 A BE 899728A
Authority
BE
Belgium
Prior art keywords
cigarette filter
pad
permeable
cigarette
filter
Prior art date
Application number
BE0/212987A
Other languages
English (en)
Inventor
R R Johnson
Original Assignee
Brown & Williamson Tobacco
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 & Williamson Tobacco filed Critical Brown & Williamson Tobacco
Publication of BE899728A publication Critical patent/BE899728A/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

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

Un filtre (10) pour une cigarette comporte un tampon imperméable à la fumée (16) de forme générale cylindrique et un matériau perméable à la fumée (18) recouvrant au moins une portion de la périphérie du tampon. Le tampon (16) avec le matériau perméable recouvrant est entouré par une manchette perméable à l'air (14) pour former un filtre de cigarette.
BE0/212987A 1983-05-26 1984-05-23 Filtre de cigarette. BE899728A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/497,970 US4545391A (en) 1983-05-26 1983-05-26 Cigarette filter

Publications (1)

Publication Number Publication Date
BE899728A true BE899728A (fr) 1984-09-17

Family

ID=23979085

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/212987A BE899728A (fr) 1983-05-26 1984-05-23 Filtre de cigarette.

Country Status (19)

Country Link
US (1) US4545391A (fr)
JP (1) JPS59227287A (fr)
AU (1) AU551436B2 (fr)
BE (1) BE899728A (fr)
BR (1) BR8402524A (fr)
DE (1) DE3418862A1 (fr)
DK (1) DK257884A (fr)
ES (2) ES532850A0 (fr)
FI (1) FI842103A (fr)
FR (1) FR2546379A1 (fr)
GB (1) GB2140271A (fr)
GR (1) GR81578B (fr)
IL (1) IL71922A0 (fr)
IT (1) IT8421099A0 (fr)
LU (1) LU85367A1 (fr)
NL (1) NL8401611A (fr)
NO (1) NO842070L (fr)
SE (1) SE8402841L (fr)
ZA (1) ZA843992B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681125A (en) * 1985-03-06 1987-07-21 Brown & Williamson Tobacco Corporation Mouthpiece for tobacco smoke article
IL82729A0 (en) * 1987-06-01 1987-12-20 Jacob Sidi Disk filter for cigarettes
US5178166A (en) * 1990-09-20 1993-01-12 Philip Morris Incorporated Filter cigarette
US6699256B1 (en) * 1999-06-04 2004-03-02 St. Jude Medical Atg, Inc. Medical grafting apparatus and methods
GB9917820D0 (en) * 1999-07-29 1999-09-29 American Filtrona Corp Filter for a cigarette and filter-tipped cigarette
US20080035163A1 (en) * 2006-08-10 2008-02-14 Shaahin Cheyene Magnetic Advanced Cigarette Filtration System
DE102006052971A1 (de) * 2006-11-10 2008-05-21 Audi Ag Kettenumschlingungstrieb
GB0921930D0 (en) * 2009-12-16 2010-02-03 British American Tobacco Co Smoking article component

Family Cites Families (14)

* 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
GB1314188A (en) * 1969-06-30 1973-04-18 Reynolds Tobacco Co R Smoke filter
GB1336267A (en) * 1972-03-15 1973-11-07 Webb F Filter for cigarettes cigars cheroots pipes and like smoking articles
US3860011A (en) * 1973-08-27 1975-01-14 Liggett & Myers Inc Hollow filter
US4026306A (en) * 1975-11-06 1977-05-31 American Filtrona Corporation Tobacco smoke filter
US4174719A (en) * 1977-06-29 1979-11-20 Olin Corporation Microperforated filter tip cigarette
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
GB2090117B (en) * 1980-12-22 1985-08-21 Imp Group Ltd Ventilated cigarette tip
US4412004A (en) * 1981-06-26 1983-10-25 Technicon Instruments Corporation Method for treating red blood cells to effect sphering and reagent therefor
AU559296B2 (en) * 1981-07-06 1987-03-05 Cigarette Components Limited Filter device
SE456310B (sv) * 1981-07-06 1988-09-26 Cigarette Components Ltd Tobaksroksfilter med tvergaende hinder
AU556902B2 (en) * 1981-12-18 1986-11-27 Cigarette Components Limited Tobacco smoke filter

Also Published As

Publication number Publication date
SE8402841D0 (sv) 1984-05-25
ES286053U (es) 1985-11-01
SE8402841L (sv) 1984-11-27
FI842103A (fi) 1984-11-27
AU2843984A (en) 1984-11-29
IT8421099A0 (it) 1984-05-25
ES286053Y (es) 1986-06-16
DE3418862A1 (de) 1984-11-29
DK257884D0 (da) 1984-05-25
GB2140271A (en) 1984-11-28
BR8402524A (pt) 1985-04-02
AU551436B2 (en) 1986-05-01
LU85367A1 (fr) 1984-11-19
FI842103A0 (fi) 1984-05-25
NO842070L (no) 1984-11-27
ES8507333A1 (es) 1985-09-16
DK257884A (da) 1984-11-27
US4545391A (en) 1985-10-08
ZA843992B (en) 1985-01-30
ES532850A0 (es) 1985-09-16
GR81578B (fr) 1984-12-11
JPS59227287A (ja) 1984-12-20
IL71922A0 (en) 1984-09-30
GB8413040D0 (en) 1984-06-27
FR2546379A1 (fr) 1984-11-30
NL8401611A (nl) 1984-12-17

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BROWN & WILLIAMSON TOBACCO CORP.

Effective date: 19870531