CA940405A - Tobacco-smoke filters - Google Patents

Tobacco-smoke filters

Info

Publication number
CA940405A
CA940405A CA123,306A CA123306A CA940405A CA 940405 A CA940405 A CA 940405A CA 123306 A CA123306 A CA 123306A CA 940405 A CA940405 A CA 940405A
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
CA123,306A
Other languages
English (en)
Other versions
CA123306S (en
Inventor
Paul H. Gannaway
Fred Haslam
Henry G. Horsewell
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 CA940405A publication Critical patent/CA940405A/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
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
CA123,306A 1970-10-07 1971-09-21 Tobacco-smoke filters Expired CA940405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4770670 1970-10-07

Publications (1)

Publication Number Publication Date
CA940405A true CA940405A (en) 1974-01-22

Family

ID=10445980

Family Applications (1)

Application Number Title Priority Date Filing Date
CA123,306A Expired CA940405A (en) 1970-10-07 1971-09-21 Tobacco-smoke filters

Country Status (10)

Country Link
AU (2) AU460026B2 (sv)
BE (1) BE773620A (sv)
CA (1) CA940405A (sv)
CH (1) CH543247A (sv)
DE (1) DE2149432A1 (sv)
DK (1) DK131082B (sv)
FI (1) FI51893C (sv)
GB (1) GB1336433A (sv)
NL (1) NL7113501A (sv)
ZA (2) ZA716272B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1131581B (it) * 1979-07-17 1986-06-25 Molins Ltd Dispositivo per il trattamento di un materiale per filtri,particolarmente per l'industria del tabacco

Also Published As

Publication number Publication date
DE2149432A1 (de) 1972-05-25
AU457139B2 (en) 1975-01-16
NL7113501A (sv) 1972-04-11
FI51893B (sv) 1977-01-31
AU3388571A (en) 1973-03-29
BE773620A (fr) 1972-01-31
AU460026B2 (en) 1975-04-10
FI51893C (sv) 1977-05-10
ZA716272B (en) 1972-05-31
ZA716271B (en) 1972-05-31
GB1336433A (en) 1973-11-07
DK131082B (da) 1975-05-26
CH543247A (fr) 1973-10-31
AU3388471A (en) 1973-03-29
DK131082C (sv) 1975-10-27

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