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GB2128070B - Improvements in or relating to tobacco smoke filters - Google Patents

Improvements in or relating to tobacco smoke filters

Info

Publication number
GB2128070B
GB2128070B GB08323511A GB8323511A GB2128070B GB 2128070 B GB2128070 B GB 2128070B GB 08323511 A GB08323511 A GB 08323511A GB 8323511 A GB8323511 A GB 8323511A GB 2128070 B GB2128070 B GB 2128070B
Authority
GB
United Kingdom
Prior art keywords
relating
tobacco smoke
smoke filters
filters
tobacco
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
GB08323511A
Other versions
GB2128070A (en
GB8323511D0 (en
Inventor
David Wyn Bassett
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.)
Imperial Group PLC
Original Assignee
Imperial Group PLC
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 Imperial Group PLC filed Critical Imperial Group PLC
Priority to GB08323511A priority Critical patent/GB2128070B/en
Publication of GB8323511D0 publication Critical patent/GB8323511D0/en
Priority to US06/559,196 priority patent/US4580939A/en
Publication of GB2128070A publication Critical patent/GB2128070A/en
Application granted granted Critical
Publication of GB2128070B publication Critical patent/GB2128070B/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
GB08323511A 1982-09-02 1983-09-01 Improvements in or relating to tobacco smoke filters Expired GB2128070B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08323511A GB2128070B (en) 1982-09-02 1983-09-01 Improvements in or relating to tobacco smoke filters
US06/559,196 US4580939A (en) 1983-09-01 1983-12-08 Feeding device for cigarette filters and similar rods

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8225081 1982-09-02
GB08323511A GB2128070B (en) 1982-09-02 1983-09-01 Improvements in or relating to tobacco smoke filters

Publications (3)

Publication Number Publication Date
GB8323511D0 GB8323511D0 (en) 1983-10-05
GB2128070A GB2128070A (en) 1984-04-26
GB2128070B true GB2128070B (en) 1986-06-25

Family

ID=26283731

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08323511A Expired GB2128070B (en) 1982-09-02 1983-09-01 Improvements in or relating to tobacco smoke filters

Country Status (1)

Country Link
GB (1) GB2128070B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2078089B (en) * 1980-06-18 1983-10-12 British American Tobacco Co Filters and a method of producing such filters

Also Published As

Publication number Publication date
GB2128070A (en) 1984-04-26
GB8323511D0 (en) 1983-10-05

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000901