ZA721292B - Improvements relating to the production of tobacco-smoke filters - Google Patents

Improvements relating to the production of tobacco-smoke filters

Info

Publication number
ZA721292B
ZA721292B ZA721292A ZA721292A ZA721292B ZA 721292 B ZA721292 B ZA 721292B ZA 721292 A ZA721292 A ZA 721292A ZA 721292 A ZA721292 A ZA 721292A ZA 721292 B ZA721292 B ZA 721292B
Authority
ZA
South Africa
Prior art keywords
tobacco
production
improvements relating
smoke filters
smoke
Prior art date
Application number
ZA721292A
Other languages
English (en)
Inventor
J Luke
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 ZA721292B publication Critical patent/ZA721292B/xx

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
ZA721292A 1971-03-12 1972-02-28 Improvements relating to the production of tobacco-smoke filters ZA721292B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA721292B true ZA721292B (en) 1972-11-29

Family

ID=9819110

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA721292A ZA721292B (en) 1971-03-12 1972-02-28 Improvements relating to the 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
CA990606A (en) 1976-06-08
DE2210928C2 (de) 1981-10-15
AU459992B2 (en) 1975-03-17
BR7201389D0 (pt) 1973-12-06
GB1339496A (en) 1973-12-05
BE780529A (fr) 1972-07-03

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