CA990606A - Production of tobacco-smoke filters - Google Patents

Production of tobacco-smoke filters

Info

Publication number
CA990606A
CA990606A CA136,501A CA136501A CA990606A CA 990606 A CA990606 A CA 990606A CA 136501 A CA136501 A CA 136501A CA 990606 A CA990606 A CA 990606A
Authority
CA
Canada
Prior art keywords
tobacco
production
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
CA136,501A
Other languages
English (en)
Other versions
CA136501S (en
Inventor
John A. Luke
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 CA990606A publication Critical patent/CA990606A/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 OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
CA136,501A 1971-03-12 1972-03-06 Production of tobacco-smoke filters Expired CA990606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB669471 1971-03-12

Publications (1)

Publication Number Publication Date
CA990606A true CA990606A (en) 1976-06-08

Family

ID=9819110

Family Applications (1)

Application Number Title Priority Date Filing Date
CA136,501A Expired CA990606A (en) 1971-03-12 1972-03-06 Production of tobacco-smoke filters

Country Status (10)

Country Link
AU (1) AU459992B2 (fr)
BE (1) BE780529A (fr)
BR (1) BR7201389D0 (fr)
CA (1) CA990606A (fr)
CH (1) CH547612A (fr)
DE (1) DE2210928C2 (fr)
FI (1) FI54852C (fr)
GB (1) GB1339496A (fr)
NL (1) NL7202975A (fr)
ZA (1) ZA721292B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH627056A5 (fr) * 1977-12-15 1981-12-31 Baumgartner Papiers Sa
CH647935A5 (fr) * 1980-08-04 1985-02-28 Molins Ltd Procede pour la production d'un materiau de remplissage, machine pour sa mise en oeuvre, application du procede et installation pour la production d'un boudin de filtres de cigarettes.
GB2118982B (en) * 1982-02-03 1986-02-26 Molins Plc Processing tow particularly for filter rod manufacture
US4798570A (en) * 1982-12-09 1989-01-17 Hercules Incorporated Process for preparing filter rods
US4925602A (en) * 1988-08-10 1990-05-15 Filter Materials Limited Method for improving the crimping of polyolefin filter tow
US5020198A (en) * 1988-08-10 1991-06-04 Filter Materials Ltd. Crimped textile fibers and stuffer box apparatus and methods for crimping textile fibers
US5104367A (en) * 1988-08-10 1992-04-14 Filter Materials Limited Pinned rollers and process for manufacturing fibrillated film
US5025815A (en) * 1988-08-10 1991-06-25 Filter Materials Limited Polyolefin filter tow and method of making it

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847086A (en) * 1953-08-04 1958-08-12 Muller Paul Adolf Filtering material
US3012302A (en) * 1958-01-03 1961-12-12 Lorillard Co P Tobacco smoke filter manufacture
NL239385A (fr) * 1958-05-21
US3390039A (en) * 1964-10-09 1968-06-25 Eastman Kodak Co Method and apparatus for making additive filters

Also Published As

Publication number Publication date
FI54852B (fi) 1978-12-29
DE2210928A1 (de) 1972-10-26
NL7202975A (fr) 1972-09-14
FI54852C (fi) 1979-04-10
AU3950672A (en) 1973-09-06
CH547612A (fr) 1974-04-11
DE2210928C2 (de) 1981-10-15
AU459992B2 (en) 1975-03-17
BR7201389D0 (pt) 1973-12-06
ZA721292B (en) 1972-11-29
GB1339496A (en) 1973-12-05
BE780529A (fr) 1972-07-03

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