CH676911A5 - - Google Patents
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- Publication number
- CH676911A5 CH676911A5 CH1398/88A CH139888A CH676911A5 CH 676911 A5 CH676911 A5 CH 676911A5 CH 1398/88 A CH1398/88 A CH 1398/88A CH 139888 A CH139888 A CH 139888A CH 676911 A5 CH676911 A5 CH 676911A5
- Authority
- CH
- Switzerland
- Prior art keywords
- filter
- component
- core
- filter according
- pressure drop
- Prior art date
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
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878709173A GB8709173D0 (en) | 1987-04-16 | 1987-04-16 | Ventilated cigarette filter |
Publications (1)
Publication Number | Publication Date |
---|---|
CH676911A5 true CH676911A5 (ru) | 1991-03-28 |
Family
ID=10615959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1398/88A CH676911A5 (ru) | 1987-04-16 | 1988-04-15 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2604419B2 (ru) |
CH (1) | CH676911A5 (ru) |
GB (2) | GB8709173D0 (ru) |
IT (1) | IT1216580B (ru) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4205658A1 (de) * | 1992-02-25 | 1993-08-26 | Reemtsma H F & Ph | Ventilierte filtercigarette |
RU2138974C1 (ru) | 1999-03-12 | 1999-10-10 | Погосян Сейран Амаякович | Курительное изделие |
GB0603126D0 (en) * | 2006-02-16 | 2006-03-29 | British American Tobacco Co | Improvements relating to smoking articles and filters therefor |
GB0625818D0 (en) | 2006-12-21 | 2007-02-07 | British American Tobacco Co | Smoking article filter |
EP2636319A3 (en) * | 2010-10-06 | 2014-03-12 | Celanese Acetate LLC | Smoke filters for smoking devices with porous masses having a carbon particle loading and an encapsulated pressure drop |
DK177983B1 (da) * | 2010-11-08 | 2015-02-16 | Pleasure Smoking Co Aps | Koniske og cylindriske filter tips, og koniske og cylindriske hylstre |
BR112015002141A2 (pt) | 2012-08-06 | 2017-07-04 | Philip Morris Products Sa | artigo para fumar com cavidade de extremidade de boca |
PL3363304T3 (pl) * | 2012-08-06 | 2021-07-26 | Philip Morris Products S.A. | Sposób tworzenia wyrobów do palenia z wnękami końca doustnego |
GB201219540D0 (en) | 2012-10-31 | 2012-12-12 | British American Tobacco Co | A filter for a smoking article |
GB201223159D0 (en) | 2012-12-21 | 2013-02-06 | British American Tobacco Co | Insertable filter unit |
JP2017099286A (ja) * | 2014-03-31 | 2017-06-08 | 日本たばこ産業株式会社 | たばこ製品用のフィルタ及びたばこ製品 |
JP6416512B2 (ja) * | 2014-06-19 | 2018-10-31 | 株式会社ダイセル | 中空状たばこフィルター部材の製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3490461A (en) * | 1967-04-20 | 1970-01-20 | Philip Morris Inc | Cigarette ventilation |
US4342322A (en) * | 1980-12-22 | 1982-08-03 | Brown & Williamson Tobacco Corporation | Cigarette filter |
GB2101869A (en) * | 1981-07-06 | 1983-01-26 | Filtrona Ltd | Filtering means |
US4564030A (en) * | 1982-07-16 | 1986-01-14 | Loew's Theatres, Inc. | Cigarette filter assembly |
GB8330894D0 (en) * | 1983-11-18 | 1983-12-29 | British American Tobacco Co | Smoking-article mouthpiece elements |
DE3345000C2 (de) * | 1983-12-13 | 1985-10-31 | H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg | Ventilierte Filterzigarette mit Rillenfilter |
US4580584A (en) * | 1984-02-21 | 1986-04-08 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4582072A (en) * | 1984-06-25 | 1986-04-15 | Brown & Williamson Tobacco Corporation | Cigarette filter |
-
1987
- 1987-04-16 GB GB878709173A patent/GB8709173D0/en active Pending
-
1988
- 1988-04-14 GB GB8808840A patent/GB2203324B/en not_active Expired - Fee Related
- 1988-04-15 IT IT8820217A patent/IT1216580B/it active
- 1988-04-15 JP JP63091861A patent/JP2604419B2/ja not_active Expired - Lifetime
- 1988-04-15 CH CH1398/88A patent/CH676911A5/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB8808840D0 (en) | 1988-05-18 |
IT1216580B (it) | 1990-03-08 |
GB8709173D0 (en) | 1987-05-20 |
GB2203324A (en) | 1988-10-19 |
JPS6447366A (en) | 1989-02-21 |
GB2203324B (en) | 1991-05-29 |
JP2604419B2 (ja) | 1997-04-30 |
IT8820217A0 (it) | 1988-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |