AU3388671A - Improvements relating to tobacco-smoke filters - Google Patents

Improvements relating to tobacco-smoke filters

Info

Publication number
AU3388671A
AU3388671A AU33886/71A AU3388671A AU3388671A AU 3388671 A AU3388671 A AU 3388671A AU 33886/71 A AU33886/71 A AU 33886/71A AU 3388671 A AU3388671 A AU 3388671A AU 3388671 A AU3388671 A AU 3388671A
Authority
AU
Australia
Prior art keywords
tobacco
improvements relating
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
AU33886/71A
Other versions
AU460006B2 (en
Inventor
Haslam Fred
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
Publication of AU3388671A publication Critical patent/AU3388671A/en
Application granted granted Critical
Publication of AU460006B2 publication Critical patent/AU460006B2/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
    • A24D3/0229—Filter rod forming processes
    • A24D3/0237—Filter rod forming processes by extrusion
AU33886/71A 1970-10-07 1971-09-24 Improvements relating to tobacco-smoke filters Expired AU460006B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB47707/70 1970-10-07
GB4770770 1970-10-07

Publications (2)

Publication Number Publication Date
AU3388671A true AU3388671A (en) 1973-03-29
AU460006B2 AU460006B2 (en) 1975-04-10

Family

ID=10445984

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33886/71A Expired AU460006B2 (en) 1970-10-07 1971-09-24 Improvements relating to tobacco-smoke filters

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)

Families Citing this family (4)

* 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
CN102046033B (en) † 2008-05-21 2013-12-04 R.J.雷诺兹烟草公司 Apparatus and associated method for forming a filter component of a smoking article
GB201112539D0 (en) 2011-07-21 2011-08-31 British American Tobacco Co Porous carbon and methods of production thereof
US11291242B2 (en) 2019-08-28 2022-04-05 Aiger Group Ag Apparatus and method for forming a smoke filter

Also Published As

Publication number Publication date
ZA716273B (en) 1972-05-31
CH544514A (en) 1973-11-30
NL172021B (en) 1983-02-01
CA939225A (en) 1974-01-01
GB1331096A (en) 1973-09-19
DE2149434B2 (en) 1976-05-06
NL7113503A (en) 1972-04-11
DE2149434A1 (en) 1972-05-10
AU460006B2 (en) 1975-04-10
BE773622A (en) 1972-01-31

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