BE852575A - Perfectionnements relatifs a la production de filtres pour la fumee du tabac - Google Patents

Perfectionnements relatifs a la production de filtres pour la fumee du tabac

Info

Publication number
BE852575A
BE852575A BE175875A BE175875A BE852575A BE 852575 A BE852575 A BE 852575A BE 175875 A BE175875 A BE 175875A BE 175875 A BE175875 A BE 175875A BE 852575 A BE852575 A BE 852575A
Authority
BE
Belgium
Prior art keywords
filters
production
tobacco smoke
improvements related
tobacco
Prior art date
Application number
BE175875A
Other languages
English (en)
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 BE852575A publication Critical patent/BE852575A/fr

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
    • A24D3/025—Final operations, i.e. after the filter rod forming process
    • A24D3/0258—Means for making grooves
BE175875A 1976-03-17 1977-03-17 Perfectionnements relatifs a la production de filtres pour la fumee du tabac BE852575A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10774/76A GB1507765A (en) 1976-03-17 1976-03-17 Production of tobacco-smoke filters

Publications (1)

Publication Number Publication Date
BE852575A true BE852575A (fr) 1977-07-18

Family

ID=9974024

Family Applications (1)

Application Number Title Priority Date Filing Date
BE175875A BE852575A (fr) 1976-03-17 1977-03-17 Perfectionnements relatifs a la production de filtres pour la fumee du tabac

Country Status (4)

Country Link
US (1) US4149546A (fr)
BE (1) BE852575A (fr)
GB (1) GB1507765A (fr)
ZA (1) ZA771363B (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH608176A5 (fr) 1976-10-05 1978-12-29 Baumgartner Papiers Sa
US4219030A (en) * 1977-08-19 1980-08-26 Liggett Group Inc. Aeration groove filter
US4232574A (en) * 1977-08-19 1980-11-11 Liggett Group Inc. Apparatus and method for providing a cigarette filter with an aeration groove
US4369796A (en) * 1977-08-19 1983-01-25 Liggett Group Inc. Method and apparatus for forming an air dilution filter
ZA795207B (en) * 1978-10-19 1980-11-26 British American Tobacco Co Production of tobacco-smoke filters
US4262680A (en) * 1979-09-05 1981-04-21 Hauni-Werke Korber & Co. Kg. Method and apparatus for attaching filter plugs to cigarettes or the like
US4324540A (en) * 1980-07-11 1982-04-13 Brown & Williamson Tobacco Corporation Apparatus for making grooves in tobacco smoke filters
US4351792A (en) * 1980-07-11 1982-09-28 Brown & Williamson Tobacco Corporation Apparatus for making grooves in tobacco smoke filters
DE3105455C2 (de) * 1981-02-14 1985-07-25 Fabriques de Tabac Réunies S.A., Neuchâtel Vorrichtung zum Einprägen von offenen Kanälen in den Umfang von stabförmigen, am Umfang thermisch deformierbaren Filterabschnitten für rauchbare Artikel
US4637409A (en) * 1981-05-07 1987-01-20 American Filtrona Corporation Tobacco smoke filter and method and apparatus for making same
US4784632A (en) * 1981-05-07 1988-11-15 American Filtrona Corporation Tobacco smoke filter and method and apparatus for making same
NO154781C (no) * 1981-08-03 1986-12-29 British American Tobacco Co Sigarett og fremgangsmaate for dens fremstilling.
US4492238A (en) * 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
GB2127273B (en) * 1982-08-18 1986-09-24 Brown & Williamson Tobacco Corp Making ventilated cigarette filters
GB2127669B (en) * 1982-08-18 1986-08-13 British American Tobacco Co Improvements relating to smoking article filters
US4480982A (en) * 1983-02-07 1984-11-06 Brown & Williamson Tobacco Corporation Apparatus for making grooves in cigarette filters
US4636183A (en) * 1983-02-07 1987-01-13 Brown & Williamson Tobacco Corporation Apparatus for making grooves in cigarette filters
US4795411A (en) * 1984-03-01 1989-01-03 Philip Morris Incorporated Apparatus for forming annular grooves or slits in rod-shaped articles
US4576769A (en) * 1984-03-29 1986-03-18 Celanese Corporation Process for extruding and sizing foamed thermoplastic cigarette filter rods
GB2160407B (en) * 1984-06-22 1987-12-16 British American Tobacco Co Improvements relating to smoking article mouthpieces
US4883449A (en) * 1984-07-18 1989-11-28 Brown & Williamson Tobacco Corporation Device for making grooves in cigarette filters
GB8506594D0 (en) * 1985-03-14 1985-04-17 British American Tobacco Co Smoking article filters
IT1259802B (it) * 1992-11-20 1996-03-26 Gd Spa Dispositivo di rullatura per macchine mettifiltro.
GB9407715D0 (en) * 1994-04-19 1994-06-15 British American Tobacco Co Improvements relating to tobacco smoke filter elements
IT1278160B1 (it) * 1995-01-17 1997-11-17 Gd Spa Unita' di rullatura per la realizzazione di sigarette col filtro
US20040139977A1 (en) * 2003-01-17 2004-07-22 Garthaffner Martin T. Degradable slitted cigarette filter
CN1748591A (zh) * 2005-11-07 2006-03-22 夏侯晓雷 一种过滤嘴
US8221109B2 (en) * 2006-12-05 2012-07-17 Gold Tip, Llc Material layering device
GB201115157D0 (en) * 2011-09-02 2011-10-19 British American Tobacco Co Manufacturing grooved smoking rods
ES2970265B2 (es) * 2022-10-24 2025-09-11 Univ Alicante Máquina de fabricación de filtro reductor de alquitranes y compuestos tóxicos del tabaco
ES2978493B2 (es) * 2023-02-06 2026-01-19 Univ Alicante Mecanismo para la fabricacion de una barra fibrosa a partir de la que se obtiene un filtro reductor de alquitranes y compuestos toxicos del tabaco

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304943A (en) * 1964-03-06 1967-02-21 Roland E Gunther Cigarettes with smoke coolers
US3464421A (en) * 1968-02-14 1969-09-02 Reynolds Tobacco Co R Integral inline granular filter cigarette machine
US3702118A (en) * 1970-09-08 1972-11-07 Katuhisa Terasaki Cigarette holder with tar-collecting insert
JPS52123703A (en) * 1975-09-05 1977-10-18 Nippon Paint Co Ltd Apparatus for producing duplicated printing plate made of thermoplastic resin

Also Published As

Publication number Publication date
GB1507765A (en) 1978-04-19
US4149546A (en) 1979-04-17
ZA771363B (en) 1978-01-25

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: BRITISH-AMERICAN TOBACCO CY LTD

Effective date: 19970317