[go: up one dir, main page]

GB2113068B - Smoke filters and their production - Google Patents

Smoke filters and their production

Info

Publication number
GB2113068B
GB2113068B GB08236686A GB8236686A GB2113068B GB 2113068 B GB2113068 B GB 2113068B GB 08236686 A GB08236686 A GB 08236686A GB 8236686 A GB8236686 A GB 8236686A GB 2113068 B GB2113068 B GB 2113068B
Authority
GB
United Kingdom
Prior art keywords
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
GB08236686A
Other versions
GB2113068A (en
Inventor
Richard Malcolm Berger
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.)
Essentra PLC
Original Assignee
Filtrona 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
Priority claimed from US06/333,815 external-priority patent/US4499912A/en
Priority claimed from US06/333,802 external-priority patent/US4423744A/en
Priority claimed from US06/444,056 external-priority patent/US4614199A/en
Application filed by Filtrona PLC filed Critical Filtrona PLC
Publication of GB2113068A publication Critical patent/GB2113068A/en
Application granted granted Critical
Publication of GB2113068B publication Critical patent/GB2113068B/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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0229—Filter rod forming processes
    • A24D3/0237—Filter rod forming processes by extrusion
    • 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
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
GB08236686A 1981-12-23 1982-12-23 Smoke filters and their production Expired GB2113068B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/333,815 US4499912A (en) 1981-12-23 1981-12-23 Free air dilution smoke filter and method and apparatus for fabricating same
US06/333,802 US4423744A (en) 1981-12-23 1981-12-23 Tobacco smoke filter contoured to provide undiluted air flow and method and apparatus for manufacturing same
US06/444,056 US4614199A (en) 1981-12-23 1982-11-23 Smoke filter having extended film overwrap and method and apparatus for fabricating same

Publications (2)

Publication Number Publication Date
GB2113068A GB2113068A (en) 1983-08-03
GB2113068B true GB2113068B (en) 1985-11-27

Family

ID=27406942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08236686A Expired GB2113068B (en) 1981-12-23 1982-12-23 Smoke filters and their production

Country Status (5)

Country Link
EP (1) EP0082734B1 (en)
CA (1) CA1212008A (en)
DE (1) DE3280328D1 (en)
GB (1) GB2113068B (en)
HK (1) HK86489A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112892948A (en) * 2021-03-25 2021-06-04 红云红河烟草(集团)有限责任公司 Quick plug-in glue spraying nozzle

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10153820A1 (en) * 2001-11-05 2003-05-15 Hauni Maschinenbau Ag Filter segments or filters for cigarettes and processes for their manufacture
DE10153821A1 (en) 2001-11-05 2003-06-05 Hauni Maschinenbau Ag Multi-segment filter of the tobacco processing industry and method for producing the same
CN106263021B (en) * 2016-11-01 2022-07-29 湖北中烟工业有限责任公司 W-shaped cigarette filter stick forming device
KR102495620B1 (en) * 2017-06-19 2023-02-06 니뽄 다바코 산교 가부시키가이샤 Smoking article filter and method of manufacturing the same
WO2019170454A1 (en) * 2018-03-08 2019-09-12 Philip Morris Products S.A. Aerosol generating articles
CN113950257A (en) * 2019-05-01 2022-01-18 贝洛奥菲尔有限公司 Smoking article holder
CN112895374B (en) * 2021-02-07 2023-04-25 云南长宜科技有限公司 Preparation method and device of airflow unit
CN114983017B (en) * 2022-05-24 2023-08-22 云南中烟工业有限责任公司 Inner core filled outer hollow filter stick and processing method thereof
WO2026022251A1 (en) * 2024-07-24 2026-01-29 Jt International Sa Aerosol generating article for an hnb aerosol generating device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789855A (en) * 1971-06-22 1974-02-05 Liggett & Myers Inc High flavor impact, low smoke yield cigarette mouthpiece
CA999501A (en) * 1972-08-21 1976-11-09 George L. Mathe Apparatus and method for producing filament tow filter rod having a foamed thermoplastic sheath
GB1414745A (en) * 1973-02-26 1975-11-19 Cigarette Components Ltd Tobacco smoke filter
GB1585862A (en) * 1976-11-19 1981-03-11 British American Tobacco Co Tobacco-smoke filters
AU4119078A (en) * 1977-11-18 1980-05-08 Philip Morris Inc Filter system
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter
US4387728A (en) * 1981-03-19 1983-06-14 Brown & Williamson Tobacco Corporation Cigarette filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112892948A (en) * 2021-03-25 2021-06-04 红云红河烟草(集团)有限责任公司 Quick plug-in glue spraying nozzle

Also Published As

Publication number Publication date
EP0082734B1 (en) 1991-05-02
CA1212008A (en) 1986-09-30
HK86489A (en) 1989-11-10
EP0082734A2 (en) 1983-06-29
GB2113068A (en) 1983-08-03
DE3280328D1 (en) 1991-06-06
EP0082734A3 (en) 1985-12-11

Similar Documents

Publication Publication Date Title
IL57051A (en) Smoke filters and their production
JPS56124415A (en) Filter and its manufacture
ZA801263B (en) Filter and production thereof
EP0139822A3 (en) Filter element and its production
PH25561A (en) Tobacco smoke filters
MY8800090A (en) Tetrahydropthalimide compounds and their production and use
GB2084040B (en) Filters and their manufacture
GB2065444B (en) Tobacco smoke filter and its production
GB8512427D0 (en) Tobacco smoke filter
GB2166937B (en) Tobacco smoke filters
GB2095093B (en) Tobacco smoke filters
GB2113066B (en) Tobacco smoke filter
GB2113068B (en) Smoke filters and their production
JPS57174082A (en) Filter and tobacco product using same
GB2122866B (en) Ventilated smoke filter
GB2087394B (en) 2-oxazetidine derivatives and production thereof
DE3269792D1 (en) Tobacco smoke filters
IL67451A0 (en) 4-cyano-2-azetidinones and production thereof
DE3265658D1 (en) 4-cyclopentenones and their production
JPS57175135A (en) 4-halogenostilbene derivative and manufacture
PH19514A (en) Smoke filters
DE3261765D1 (en) Aminonaphthacene derivatives and their production
GB2111817B (en) Smoke filter
PH24680A (en) Smoke filters and production thereof
GB8413017D0 (en) Tobacco smoke filters

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20021222