CA1054894A - Appareil pour fabriquer des filtres de cigarettes - Google Patents

Appareil pour fabriquer des filtres de cigarettes

Info

Publication number
CA1054894A
CA1054894A CA306,833A CA306833A CA1054894A CA 1054894 A CA1054894 A CA 1054894A CA 306833 A CA306833 A CA 306833A CA 1054894 A CA1054894 A CA 1054894A
Authority
CA
Canada
Prior art keywords
inner member
smoke
filtering material
bonding zone
defining
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
CA306,833A
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 US05/629,663 external-priority patent/US4022222A/en
Application filed by American Filtrona Corp filed Critical American Filtrona Corp
Application granted granted Critical
Publication of CA1054894A publication Critical patent/CA1054894A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
CA306,833A 1975-11-06 1978-07-05 Appareil pour fabriquer des filtres de cigarettes Expired CA1054894A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/629,663 US4022222A (en) 1975-11-06 1975-11-06 Tobacco smoke filter
CA254,766A CA1039602A (fr) 1975-11-06 1976-06-14 Filtre de fumee de tabac (tube crepe sous tube)

Publications (1)

Publication Number Publication Date
CA1054894A true CA1054894A (fr) 1979-05-22

Family

ID=25668306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306,833A Expired CA1054894A (fr) 1975-11-06 1978-07-05 Appareil pour fabriquer des filtres de cigarettes

Country Status (1)

Country Link
CA (1) CA1054894A (fr)

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