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DE69512791D1 - Filter mit konzentrischen kern - Google Patents

Filter mit konzentrischen kern

Info

Publication number
DE69512791D1
DE69512791D1 DE69512791T DE69512791T DE69512791D1 DE 69512791 D1 DE69512791 D1 DE 69512791D1 DE 69512791 T DE69512791 T DE 69512791T DE 69512791 T DE69512791 T DE 69512791T DE 69512791 D1 DE69512791 D1 DE 69512791D1
Authority
DE
Germany
Prior art keywords
filter
concentric core
concentric
core
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 - Lifetime
Application number
DE69512791T
Other languages
English (en)
Other versions
DE69512791T2 (de
Inventor
Paul Clarke
John Charlton
Richard Shepherd
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 International Ltd
Original Assignee
Filtrona International 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 Filtrona International Ltd filed Critical Filtrona International Ltd
Application granted granted Critical
Publication of DE69512791D1 publication Critical patent/DE69512791D1/de
Publication of DE69512791T2 publication Critical patent/DE69512791T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
DE69512791T 1994-08-19 1995-08-18 Filter mit konzentrischen kern Expired - Lifetime DE69512791T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9416812A GB2292302B (en) 1994-08-19 1994-08-19 Concentric core filter
PCT/GB1995/001961 WO1996005743A1 (en) 1994-08-19 1995-08-18 Concentric core filter

Publications (2)

Publication Number Publication Date
DE69512791D1 true DE69512791D1 (de) 1999-11-18
DE69512791T2 DE69512791T2 (de) 2000-04-20

Family

ID=10760111

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69512791T Expired - Lifetime DE69512791T2 (de) 1994-08-19 1995-08-18 Filter mit konzentrischen kern

Country Status (9)

Country Link
US (1) US5787902A (de)
EP (1) EP0777425B1 (de)
JP (1) JP3667759B2 (de)
AU (1) AU3230295A (de)
BR (1) BR9508995A (de)
DE (1) DE69512791T2 (de)
ES (1) ES2137535T3 (de)
GB (1) GB2292302B (de)
WO (1) WO1996005743A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10160672A1 (de) * 2001-12-11 2003-06-18 Philip Morris Prod Filter, diese enthaltende Rauchartikel und Filterstränge, sowie Verfahren und Vorrichtungen zur Herstellung derartiger Filter und Rauchartikel
US7878962B2 (en) 2005-05-03 2011-02-01 Philip Morris Usa Inc. Cigarettes and filter subassemblies with squeezable flavor capsule and methods of manufacture
US20060281614A1 (en) * 2005-06-09 2006-12-14 Philip Morris Usa Inc. Filter tube making
GB0713905D0 (en) 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter
US8671951B2 (en) * 2010-03-26 2014-03-18 Philip Morris Usa Inc. Methods of manufacturing cigarettes and filter subassemblies with squeezable flavor capsule
LT2854574T (lt) * 2012-05-31 2018-12-10 Philip Morris Products S.A. Rūkomasis gaminys su koncentriniu filtru
RU2622802C1 (ru) * 2013-07-03 2017-06-20 Джапан Тобакко Инк. Сигаретный фильтр и сигареиа с фильтром
GB201903290D0 (en) 2019-03-11 2019-04-24 Nicoventures Trading Ltd An article for use in a non-combustible aerosol provision system
IT202000014095A1 (it) 2020-06-12 2021-12-12 Montrade S P A Metodo per la realizzazione di un prodotto da fumo, macchina per la realizzazione di un prodotto da fumo e uso di tale macchina ed un articolo da fumo così ottenuto
CN120659554A (zh) * 2022-12-26 2025-09-16 日本烟草产业株式会社 风味吸入制品

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1211481A (en) * 1968-03-30 1970-11-04 Cigarette Components Ltd Method of manufacturing multiple cigarette filters
US4026306A (en) * 1975-11-06 1977-05-31 American Filtrona Corporation Tobacco smoke filter
DE2804991A1 (de) * 1978-02-06 1979-08-16 Hauni Werke Koerber & Co Kg Filterzigarette mit einem aus mindestens zwei filterkomponenten bestehenden mundstueck, verfahren zur herstellung einer filterzigarette und vorrichtung zum ausueben des verfahrens
US4715390A (en) * 1985-11-19 1987-12-29 Philip Morris Incorporated Matrix entrapment of flavorings for smoking articles
GB8908535D0 (en) * 1989-04-14 1989-06-01 Tabac Fab Reunies Sa Cigarette and filter thereof
GB8921659D0 (en) * 1989-09-26 1989-11-08 Cigarette Components Ltd Particulate sorbent smoke filter
US5365951A (en) * 1990-08-24 1994-11-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
DE4205658A1 (de) * 1992-02-25 1993-08-26 Reemtsma H F & Ph Ventilierte filtercigarette

Also Published As

Publication number Publication date
AU3230295A (en) 1996-03-14
BR9508995A (pt) 1997-11-25
WO1996005743A1 (en) 1996-02-29
DE69512791T2 (de) 2000-04-20
EP0777425A1 (de) 1997-06-11
GB2292302A (en) 1996-02-21
US5787902A (en) 1998-08-04
JPH10504462A (ja) 1998-05-06
ES2137535T3 (es) 1999-12-16
GB2292302B (en) 1998-03-04
EP0777425B1 (de) 1999-10-13
JP3667759B2 (ja) 2005-07-06
GB9416812D0 (en) 1994-10-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: 2K PATENTANWAELTE BLASBERG KEWITZ & REICHEL, PARTN