CH549965A - Filtre a fumee de tabac. - Google Patents

Filtre a fumee de tabac.

Info

Publication number
CH549965A
CH549965A CH548972A CH548972A CH549965A CH 549965 A CH549965 A CH 549965A CH 548972 A CH548972 A CH 548972A CH 548972 A CH548972 A CH 548972A CH 549965 A CH549965 A CH 549965A
Authority
CH
Switzerland
Prior art keywords
tobacco smoke
smoke filter
filter
tobacco
smoke
Prior art date
Application number
CH548972A
Other languages
English (en)
Original Assignee
British American Tobacco Co
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 British American Tobacco Co filed Critical British American Tobacco Co
Publication of CH549965A publication Critical patent/CH549965A/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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0283—Manufacture of tobacco smoke filters for filters with special features with means for a non-axial smoke flow
    • 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
CH548972A 1971-04-16 1972-04-14 Filtre a fumee de tabac. CH549965A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB963271 1971-04-16

Publications (1)

Publication Number Publication Date
CH549965A true CH549965A (fr) 1974-06-14

Family

ID=9875738

Family Applications (1)

Application Number Title Priority Date Filing Date
CH548972A CH549965A (fr) 1971-04-16 1972-04-14 Filtre a fumee de tabac.

Country Status (11)

Country Link
US (1) US3830244A (fr)
BE (1) BE782056A (fr)
BR (1) BR7202154D0 (fr)
CA (1) CA959733A (fr)
CH (1) CH549965A (fr)
DE (1) DE2217436A1 (fr)
DK (1) DK128434B (fr)
FI (1) FI51038C (fr)
GB (1) GB1336661A (fr)
NL (1) NL7204815A (fr)
ZA (1) ZA722232B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026306A (en) * 1975-11-06 1977-05-31 American Filtrona Corporation Tobacco smoke filter
US4340071A (en) * 1979-10-22 1982-07-20 Smith Robert L Change-a-bowl pipe
US4331166A (en) * 1980-05-02 1982-05-25 Philip Morris, Incorporated Cigarette
DE3105456C2 (de) * 1981-02-14 1985-08-14 Fabriques de Tabac Réunies S.A., Neuchâtel Verfahren zum Herstellen eines stabförmigen, rauchbaren Artikels und Vorrichtung zur Ausübung dieses Verfahrens
US4492238A (en) 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
GB9307710D0 (en) * 1993-04-14 1993-06-02 Rothmans Benson & Hedges Smoking apparatus-l
US6345625B1 (en) 1997-12-06 2002-02-12 Kar Eng Chew Filter for secondary smoke and smoking articles incorporating the same
US7070638B2 (en) * 2003-01-03 2006-07-04 Jeanfreau Bryan S Burp gas filtering and deodorizing device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336928A (en) * 1964-05-07 1967-08-22 James W Haley Smoking article
US3370594A (en) * 1965-02-16 1968-02-27 Brown & Williamson Tobacco Filters for tobacco smoke
US3359988A (en) * 1965-04-21 1967-12-26 Osborne M Thomson Filter cigarette
US3394713A (en) * 1965-10-24 1968-07-30 Philip Morris Inc Cigarette filter
US3502087A (en) * 1968-07-05 1970-03-24 Ernest J Romano Cigarette filter

Also Published As

Publication number Publication date
FI51038C (fi) 1976-10-11
DK128434B (da) 1974-05-06
ZA722232B (en) 1972-12-27
US3830244A (en) 1974-08-20
NL7204815A (fr) 1972-10-18
CA959733A (en) 1974-12-24
FI51038B (fr) 1976-06-30
DE2217436A1 (de) 1972-10-26
BE782056A (fr) 1972-07-31
GB1336661A (en) 1973-11-07
BR7202154D0 (pt) 1973-07-10

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Legal Events

Date Code Title Description
PL Patent ceased