CH651184A5 - Filtre pour fumee de tabac. - Google Patents

Filtre pour fumee de tabac. Download PDF

Info

Publication number
CH651184A5
CH651184A5 CH7351/82A CH735182A CH651184A5 CH 651184 A5 CH651184 A5 CH 651184A5 CH 7351/82 A CH7351/82 A CH 7351/82A CH 735182 A CH735182 A CH 735182A CH 651184 A5 CH651184 A5 CH 651184A5
Authority
CH
Switzerland
Prior art keywords
filter
filaments
core
filter according
air
Prior art date
Application number
CH7351/82A
Other languages
English (en)
French (fr)
Inventor
Ernest Brian Hayes
Original Assignee
Filtrona 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 Filtrona Ltd filed Critical Filtrona Ltd
Publication of CH651184A5 publication Critical patent/CH651184A5/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of 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)
  • Separation Using Semi-Permeable Membranes (AREA)
CH7351/82A 1981-12-18 1982-12-17 Filtre pour fumee de tabac. CH651184A5 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH651184A5 true CH651184A5 (fr) 1985-09-13

Family

ID=10526707

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7351/82A CH651184A5 (fr) 1981-12-18 1982-12-17 Filtre pour fumee de tabac.

Country Status (14)

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

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
AU635095B2 (en) * 1990-08-24 1993-03-11 Philip Morris Products Inc. Concentric smoking filter having discrete tow and web filter media
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
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
GB9122448D0 (en) * 1991-10-23 1991-12-04 Rothmans Int Tobacco Filter tip cigarette
GB9122447D0 (en) * 1991-10-23 1991-12-04 Rothmans Int Tobacco Lightweight cigarette filter and cigarettes incorporating such filters
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
WO2018224679A1 (en) * 2017-06-09 2018-12-13 Philip Morris Products S.A. Aerosol-generating article having fibrous filter segment
KR102881978B1 (ko) * 2017-11-28 2025-11-10 필립모리스 프로덕츠 에스.에이. 개선된 마우스 말단 공동을 구비한 에어로졸 발생 물품

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
GB2113066B (en) 1985-10-30
SE8207227D0 (sv) 1982-12-17
FR2518374B1 (fr) 1986-10-31
AU9153382A (en) 1983-06-23
FR2518374A1 (fr) 1983-06-24
PT76005A (fr) 1983-01-01
IT1155005B (it) 1987-01-21
AU556902B2 (en) 1986-11-27
JPS58155073A (ja) 1983-09-14
IT8224837A0 (it) 1982-12-17
DK560282A (da) 1983-06-19
NL8204909A (nl) 1983-07-18
GB2113066A (en) 1983-08-03
NO824265L (no) 1983-06-20
NO157124B (no) 1987-10-19
DE3246898A1 (de) 1983-07-28
SE8207227L (sv) 1983-06-19
BE895390A (fr) 1983-06-17
ZA829280B (en) 1983-10-26
IT8224837A1 (it) 1984-06-17
PT76005B (fr) 1985-03-18
NO157124C (no) 1988-01-27

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased