BE773622A - IMPROVEMENTS RELATED TO FILTERS FOR TOBACCO SMOKE - Google Patents

IMPROVEMENTS RELATED TO FILTERS FOR TOBACCO SMOKE

Info

Publication number
BE773622A
BE773622A BE773622A BE773622A BE773622A BE 773622 A BE773622 A BE 773622A BE 773622 A BE773622 A BE 773622A BE 773622 A BE773622 A BE 773622A BE 773622 A BE773622 A BE 773622A
Authority
BE
Belgium
Prior art keywords
filters
tobacco smoke
improvements related
tobacco
smoke
Prior art date
Application number
BE773622A
Other languages
French (fr)
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 BE773622A publication Critical patent/BE773622A/en

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
    • A24D3/0229—Filter rod forming processes
    • A24D3/0237—Filter rod forming processes by extrusion
BE773622A 1970-10-07 1971-10-07 IMPROVEMENTS RELATED TO FILTERS FOR TOBACCO SMOKE BE773622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4770770 1970-10-07

Publications (1)

Publication Number Publication Date
BE773622A true BE773622A (en) 1972-01-31

Family

ID=10445984

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773622A BE773622A (en) 1970-10-07 1971-10-07 IMPROVEMENTS RELATED TO FILTERS FOR TOBACCO SMOKE

Country Status (7)

Country Link
AU (1) AU460006B2 (en)
BE (1) BE773622A (en)
CA (1) CA939225A (en)
CH (1) CH544514A (en)
GB (1) GB1331096A (en)
NL (1) NL172021B (en)
ZA (1) ZA716273B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112439267A (en) * 2019-08-28 2021-03-05 艾格尔集团股份公司 Apparatus and method for forming smoke filter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282890A (en) * 1978-03-13 1981-08-11 Celanese Corporation Open cell structure foamed cellulose acetate filters
JP5438760B2 (en) † 2008-05-21 2014-03-12 アール・ジエイ・レイノルズ・タバコ・カンパニー Apparatus and associated method for forming filter parts of smoking articles, and smoking articles made therefrom
GB201112539D0 (en) 2011-07-21 2011-08-31 British American Tobacco Co Porous carbon and methods of production thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112439267A (en) * 2019-08-28 2021-03-05 艾格尔集团股份公司 Apparatus and method for forming smoke filter
US11291242B2 (en) 2019-08-28 2022-04-05 Aiger Group Ag Apparatus and method for forming a smoke filter
CN112439267B (en) * 2019-08-28 2022-07-29 艾格尔集团股份公司 Apparatus and method for forming smoke filter

Also Published As

Publication number Publication date
AU460006B2 (en) 1975-04-10
AU3388671A (en) 1973-03-29
NL172021B (en) 1983-02-01
GB1331096A (en) 1973-09-19
CH544514A (en) 1973-11-30
DE2149434A1 (en) 1972-05-10
ZA716273B (en) 1972-05-31
CA939225A (en) 1974-01-01
DE2149434B2 (en) 1976-05-06
NL7113503A (en) 1972-04-11

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