CA1164763A - Filtre de fumee de tabac - Google Patents

Filtre de fumee de tabac

Info

Publication number
CA1164763A
CA1164763A CA000394350A CA394350A CA1164763A CA 1164763 A CA1164763 A CA 1164763A CA 000394350 A CA000394350 A CA 000394350A CA 394350 A CA394350 A CA 394350A CA 1164763 A CA1164763 A CA 1164763A
Authority
CA
Canada
Prior art keywords
filter
tow
filter element
fibers
rod
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
CA000394350A
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 US06/296,121 external-priority patent/US4390031A/en
Application filed by American Filtrona Corp filed Critical American Filtrona Corp
Application granted granted Critical
Publication of CA1164763A publication Critical patent/CA1164763A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
CA000394350A 1981-08-25 1982-01-18 Filtre de fumee de tabac Expired CA1164763A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US296,121 1981-08-25
US06/296,121 US4390031A (en) 1979-11-21 1981-08-25 Tobacco filter

Publications (1)

Publication Number Publication Date
CA1164763A true CA1164763A (fr) 1984-04-03

Family

ID=23140708

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000394350A Expired CA1164763A (fr) 1981-08-25 1982-01-18 Filtre de fumee de tabac

Country Status (1)

Country Link
CA (1) CA1164763A (fr)

Similar Documents

Publication Publication Date Title
US4390031A (en) Tobacco filter
US4507107A (en) Filter manufacturing technique
CA1186583A (fr) Methode et machine pour la fabrication de bouts- filtres en forme de tige pour cigarettes
CA1220689A (fr) Fabrication de filtres de fumee du tabac
CA1059401A (fr) Filtre de cigarette et procede de fabrication connexe
US2900988A (en) Tobacco smoke filter elements
US4768526A (en) Tobacco smoke filters
US5203757A (en) Method and apparatus for producing tobacco smoke filter rods
EP0316318B1 (fr) Separateur de fibres
US4593706A (en) Producing filler material, particularly for cigarette filters
US4770193A (en) Manufacture of tobacco smoke filters
US5106357A (en) Method and apparatus for producing tobacco smoke filter rods
US4411641A (en) Method for producing a tobacco smoke filter plug
US4528050A (en) Producing filler material, particularly for cigarette filters
US4541825A (en) Low air pressure method and apparatus for forming filter rods
GB2145918A (en) Producing filler material, particularly for cigarette filters
CA1189784A (fr) Diviseur-sectionneur de meches
CA1164763A (fr) Filtre de fumee de tabac
WO1985000092A1 (fr) Filtre a tabac ameliore
AU1822683A (en) Improved tobacco filter
WO2011036452A1 (fr) Couteau de câble
US4726862A (en) Process for producing tubular shaped fibrous articles
CA1229282A (fr) Methode de fabrication de filtre a fumee de tabac
CA1052655A (fr) Filtre de fumee de tabac, et methode de fabrication connexe
NZ209500A (en) Making cigarette filter rods:perforated funnel downstream of air nozzle

Legal Events

Date Code Title Description
MKEX Expiry