CA959733A - Tobacco-smoke filters - Google Patents

Tobacco-smoke filters

Info

Publication number
CA959733A
CA959733A CA139,021A CA139021A CA959733A CA 959733 A CA959733 A CA 959733A CA 139021 A CA139021 A CA 139021A CA 959733 A CA959733 A CA 959733A
Authority
CA
Canada
Prior art keywords
tobacco
smoke filters
smoke
filters
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
CA139,021A
Other versions
CA139021S (en
Inventor
John A. Luke
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.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co 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 British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Application granted granted Critical
Publication of CA959733A publication Critical patent/CA959733A/en
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
    • A24D3/02—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
CA139,021A 1971-04-16 1972-04-06 Tobacco-smoke filters Expired CA959733A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA959733A true CA959733A (en) 1974-12-24

Family

ID=9875738

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,021A Expired CA959733A (en) 1971-04-16 1972-04-06 Tobacco-smoke filters

Country Status (11)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495859A (en) * 1993-04-14 1996-03-05 1149235 Ontario Inc. Cigarette smoke filter system

Families Citing this family (7)

* 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 (en) * 1981-02-14 1985-08-14 Fabriques de Tabac Réunies S.A., Neuchâtel Method of making a rod-shaped, smokable article and apparatus for practicing this method
US4492238A (en) 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495859A (en) * 1993-04-14 1996-03-05 1149235 Ontario Inc. Cigarette smoke filter system
US5497791A (en) * 1993-04-14 1996-03-12 114935 Ontario Inc. Smoker's accessory
US5638833A (en) * 1993-04-14 1997-06-17 1149235 Ontario Inc. Cigarette smoke filter system
US5752527A (en) * 1993-04-14 1998-05-19 Ontario Inc. Smoker's accessory

Also Published As

Publication number Publication date
US3830244A (en) 1974-08-20
BE782056A (en) 1972-07-31
BR7202154D0 (en) 1973-07-10
DK128434B (en) 1974-05-06
FI51038B (en) 1976-06-30
ZA722232B (en) 1972-12-27
DE2217436A1 (en) 1972-10-26
FI51038C (en) 1976-10-11
GB1336661A (en) 1973-11-07
CH549965A (en) 1974-06-14
NL7204815A (en) 1972-10-18

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