CA1060751A - Filtre a fumee de tabac (tampon dans le tube) - Google Patents

Filtre a fumee de tabac (tampon dans le tube)

Info

Publication number
CA1060751A
CA1060751A CA315,067A CA315067A CA1060751A CA 1060751 A CA1060751 A CA 1060751A CA 315067 A CA315067 A CA 315067A CA 1060751 A CA1060751 A CA 1060751A
Authority
CA
Canada
Prior art keywords
intermediate member
members
smoke
filtering material
inner members
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
CA315,067A
Other languages
English (en)
Inventor
Richard M. Berger
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.)
Filtrona Richmond Inc
Original Assignee
American Filtrona Corp
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
Priority claimed from US05/629,680 external-priority patent/US4026306A/en
Application filed by American Filtrona Corp filed Critical American Filtrona Corp
Priority to CA315,067A priority Critical patent/CA1060751A/fr
Application granted granted Critical
Publication of CA1060751A publication Critical patent/CA1060751A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
CA315,067A 1975-11-06 1978-10-31 Filtre a fumee de tabac (tampon dans le tube) Expired CA1060751A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA315,067A CA1060751A (fr) 1975-11-06 1978-10-31 Filtre a fumee de tabac (tampon dans le tube)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/629,680 US4026306A (en) 1975-11-06 1975-11-06 Tobacco smoke filter
CA254,765A CA1049876A (fr) 1975-11-06 1976-06-14 Filtre de fumee de tabac (type insertion)
CA315,067A CA1060751A (fr) 1975-11-06 1978-10-31 Filtre a fumee de tabac (tampon dans le tube)

Publications (1)

Publication Number Publication Date
CA1060751A true CA1060751A (fr) 1979-08-21

Family

ID=27164516

Family Applications (1)

Application Number Title Priority Date Filing Date
CA315,067A Expired CA1060751A (fr) 1975-11-06 1978-10-31 Filtre a fumee de tabac (tampon dans le tube)

Country Status (1)

Country Link
CA (1) CA1060751A (fr)

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