GB2078089B - Filters and a method of producing such filters - Google Patents

Filters and a method of producing such filters

Info

Publication number
GB2078089B
GB2078089B GB8117295A GB8117295A GB2078089B GB 2078089 B GB2078089 B GB 2078089B GB 8117295 A GB8117295 A GB 8117295A GB 8117295 A GB8117295 A GB 8117295A GB 2078089 B GB2078089 B GB 2078089B
Authority
GB
United Kingdom
Prior art keywords
filters
producing
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
GB8117295A
Other versions
GB2078089A (en
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
Priority to GB8117295A priority Critical patent/GB2078089B/en
Publication of GB2078089A publication Critical patent/GB2078089A/en
Application granted granted Critical
Publication of GB2078089B publication Critical patent/GB2078089B/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 FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for 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
GB8117295A 1980-06-18 1981-06-05 Filters and a method of producing such filters Expired GB2078089B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8117295A GB2078089B (en) 1980-06-18 1981-06-05 Filters and a method of producing such filters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8019887 1980-06-18
GB8117295A GB2078089B (en) 1980-06-18 1981-06-05 Filters and a method of producing such filters

Publications (2)

Publication Number Publication Date
GB2078089A GB2078089A (en) 1982-01-06
GB2078089B true GB2078089B (en) 1983-10-12

Family

ID=26275927

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8117295A Expired GB2078089B (en) 1980-06-18 1981-06-05 Filters and a method of producing such filters

Country Status (1)

Country Link
GB (1) GB2078089B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492238A (en) 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128070B (en) * 1982-09-02 1986-06-25 Imp Group Plc Improvements in or relating to tobacco smoke filters
GB8302058D0 (en) * 1983-01-26 1983-03-02 British American Tobacco Co Tobacco-smoke filter
US4795411A (en) * 1984-03-01 1989-01-03 Philip Morris Incorporated Apparatus for forming annular grooves or slits in rod-shaped articles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492238A (en) 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components

Also Published As

Publication number Publication date
GB2078089A (en) 1982-01-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000605