ZA722558B - Improvements relating to tobacco-smoke filters - Google Patents

Improvements relating to tobacco-smoke filters

Info

Publication number
ZA722558B
ZA722558B ZA722558A ZA722558A ZA722558B ZA 722558 B ZA722558 B ZA 722558B ZA 722558 A ZA722558 A ZA 722558A ZA 722558 A ZA722558 A ZA 722558A ZA 722558 B ZA722558 B ZA 722558B
Authority
ZA
South Africa
Prior art keywords
tobacco
improvements relating
smoke filters
smoke
filters
Prior art date
Application number
ZA722558A
Other languages
English (en)
Inventor
D Naylor
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 ZA722558B publication Critical patent/ZA722558B/xx

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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
ZA722558A 1971-05-24 1972-04-17 Improvements relating to tobacco-smoke filters ZA722558B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1657271 1971-05-24

Publications (1)

Publication Number Publication Date
ZA722558B true ZA722558B (en) 1973-01-31

Family

ID=10079734

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA722558A ZA722558B (en) 1971-05-24 1972-04-17 Improvements relating to tobacco-smoke filters

Country Status (10)

Country Link
AU (1) AU456329B2 (fr)
BE (1) BE783179A (fr)
CA (1) CA951611A (fr)
CH (1) CH546545A (fr)
DE (1) DE2222289C3 (fr)
DK (1) DK128804B (fr)
FI (1) FI51895C (fr)
GB (1) GB1323947A (fr)
NL (1) NL171013C (fr)
ZA (1) ZA722558B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342322A (en) * 1980-12-22 1982-08-03 Brown & Williamson Tobacco Corporation Cigarette filter

Also Published As

Publication number Publication date
GB1323947A (en) 1973-07-18
CH546545A (fr) 1974-03-15
BE783179A (fr) 1972-09-01
AU4141672A (en) 1973-10-25
CA951611A (en) 1974-07-23
FI51895B (fr) 1977-01-31
DE2222289A1 (de) 1972-12-07
NL171013B (nl) 1982-09-01
FI51895C (fi) 1977-05-10
DE2222289C3 (de) 1978-10-26
DE2222289B2 (de) 1978-02-23
DK128804B (da) 1974-07-08
NL7206903A (fr) 1972-11-28
AU456329B2 (en) 1974-12-12
NL171013C (nl) 1983-02-01

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