BG38784A3 - Cigarette filter - Google Patents
Cigarette filterInfo
- Publication number
- BG38784A3 BG38784A3 BG054354A BG5435481A BG38784A3 BG 38784 A3 BG38784 A3 BG 38784A3 BG 054354 A BG054354 A BG 054354A BG 5435481 A BG5435481 A BG 5435481A BG 38784 A3 BG38784 A3 BG 38784A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- filter
- channels
- ventilation air
- cigarette
- smoke
- Prior art date
Links
- 235000019504 cigarettes Nutrition 0.000 title abstract 4
- 238000009423 ventilation Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 2
- 241000208125 Nicotiana Species 0.000 abstract 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
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
- A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
-
- 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
-
- 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
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
- A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/211,491 US4362172A (en) | 1980-12-01 | 1980-12-01 | Cigarette filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG38784A3 true BG38784A3 (en) | 1986-02-28 |
Family
ID=22787131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG054354A BG38784A3 (en) | 1980-12-01 | 1981-12-01 | Cigarette filter |
Country Status (32)
| Country | Link |
|---|---|
| US (1) | US4362172A (da) |
| JP (1) | JPS57122784A (da) |
| KR (1) | KR830006942A (da) |
| AR (1) | AR226393A1 (da) |
| AT (1) | AT381214B (da) |
| AU (1) | AU541595B2 (da) |
| BE (1) | BE891267A (da) |
| BG (1) | BG38784A3 (da) |
| BR (1) | BR8107794A (da) |
| CA (1) | CA1166922A (da) |
| CH (1) | CH646587A5 (da) |
| CS (1) | CS225149B2 (da) |
| DE (1) | DE3147531A1 (da) |
| DK (1) | DK152327C (da) |
| EG (1) | EG17158A (da) |
| ES (1) | ES271789Y (da) |
| FI (1) | FI813843L (da) |
| FR (1) | FR2494968B1 (da) |
| GB (1) | GB2088193B (da) |
| HU (1) | HU183713B (da) |
| IL (1) | IL64443A (da) |
| IN (1) | IN155466B (da) |
| IT (1) | IT1139884B (da) |
| LU (1) | LU83797A1 (da) |
| NL (1) | NL8105422A (da) |
| NO (1) | NO153243C (da) |
| NZ (1) | NZ199096A (da) |
| SE (1) | SE450329B (da) |
| SU (1) | SU1205747A3 (da) |
| YU (1) | YU280081A (da) |
| ZA (1) | ZA818318B (da) |
| ZW (1) | ZW29181A1 (da) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4582071A (en) * | 1980-12-22 | 1986-04-15 | Imperial Group Limited | Tipping assembly for an elongate smoking article |
| DE3105456C2 (de) * | 1981-02-14 | 1985-08-14 | Fabriques de Tabac Réunies S.A., Neuchâtel | Verfahren zum Herstellen eines stabförmigen, rauchbaren Artikels und Vorrichtung zur Ausübung dieses Verfahrens |
| ZA829197B (en) * | 1981-12-23 | 1983-09-28 | Imp Group Plc | A tipping assembly for an elongate smoking article |
| GB2119221B (en) * | 1982-04-05 | 1986-05-29 | Filtrona Ltd | Cigarette filter |
| NL8301520A (nl) * | 1983-04-29 | 1984-11-16 | Turmac Tobacco Co Nv | Werkwijze en installatie voor het vervaardigen van een sigarettenfilter. |
| GB2175187B (en) * | 1985-04-22 | 1989-02-01 | Cigarette Components Ltd | Ventilated tobacco smoke filter |
| GB8531660D0 (en) * | 1985-12-23 | 1986-02-05 | British American Tobacco Co | Smoking articles |
| US5178166A (en) * | 1990-09-20 | 1993-01-12 | Philip Morris Incorporated | Filter cigarette |
| EP0536407B1 (en) * | 1991-03-11 | 1997-02-12 | Japan Tobacco Inc. | Vented filter cigarette |
| CA2350724C (en) * | 1998-11-09 | 2005-01-11 | Japan Tobacco Inc. | Filter cigarette |
| AT408501B (de) | 2000-02-14 | 2001-12-27 | Trierenberg Holding Ag | Filterzigarette |
| WO2007104908A1 (en) * | 2006-03-10 | 2007-09-20 | British American Tobacco (Investments) Limited | Smoking article filter |
| GB0715172D0 (en) | 2007-08-03 | 2007-09-12 | British American Tobacco Co | Filter and method for making a filter for a cigarette |
| GB2455733A (en) * | 2007-12-19 | 2009-06-24 | British American Tobacco Co | Filter for a smoking article |
| GB0809865D0 (en) | 2008-05-30 | 2008-07-09 | British American Tobacco Co | Filter for a smoking article |
| CN102273728B (zh) * | 2010-06-13 | 2013-11-06 | 宁田 | 阻燃防火卷烟 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB864247A (en) * | 1958-04-16 | 1961-03-29 | Olin Mathieson | Improvements in or relating to cigarettes |
| US3490461A (en) * | 1967-04-20 | 1970-01-20 | Philip Morris Inc | Cigarette ventilation |
| US3579623A (en) * | 1968-07-24 | 1971-05-18 | Philip Morris Inc | Forming filled continuous plastic rod such as plastic cigarette filter rod filled with a tow of cellulose acetate |
| US3607512A (en) * | 1969-01-03 | 1971-09-21 | Philip Morris Inc | Extruding tow filled mouthpiece rod having serrated inner surfaces clenching the tow |
| US3577996A (en) * | 1969-06-30 | 1971-05-11 | Reynolds Tobacco Co R | Tobacco smoke filter |
| 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 |
-
1980
- 1980-12-01 US US06/211,491 patent/US4362172A/en not_active Expired - Lifetime
-
1981
- 1981-11-24 CH CH749681A patent/CH646587A5/fr not_active IP Right Cessation
- 1981-11-26 SE SE8107056A patent/SE450329B/sv unknown
- 1981-11-26 GB GB8135668A patent/GB2088193B/en not_active Expired
- 1981-11-26 BE BE0/206670A patent/BE891267A/fr not_active IP Right Cessation
- 1981-11-27 NZ NZ199096A patent/NZ199096A/en unknown
- 1981-11-27 LU LU83797A patent/LU83797A1/fr unknown
- 1981-11-27 AT AT0512481A patent/AT381214B/de not_active IP Right Cessation
- 1981-11-30 ES ES1981271789U patent/ES271789Y/es not_active Expired
- 1981-11-30 EG EG702/81A patent/EG17158A/xx active
- 1981-11-30 BR BR8107794A patent/BR8107794A/pt unknown
- 1981-11-30 CS CS818846A patent/CS225149B2/cs unknown
- 1981-11-30 JP JP56192675A patent/JPS57122784A/ja active Granted
- 1981-11-30 FR FR8122391A patent/FR2494968B1/fr not_active Expired
- 1981-11-30 NO NO814078A patent/NO153243C/no not_active IP Right Cessation
- 1981-11-30 AU AU77997/81A patent/AU541595B2/en not_active Expired
- 1981-11-30 KR KR1019810004640A patent/KR830006942A/ko unknown
- 1981-11-30 AR AR287639A patent/AR226393A1/es active
- 1981-11-30 DK DK530481A patent/DK152327C/da active
- 1981-12-01 BG BG054354A patent/BG38784A3/xx unknown
- 1981-12-01 HU HU813574A patent/HU183713B/hu unknown
- 1981-12-01 NL NL8105422A patent/NL8105422A/nl active Search and Examination
- 1981-12-01 SU SU813365729A patent/SU1205747A3/ru active
- 1981-12-01 FI FI813843A patent/FI813843L/fi not_active Application Discontinuation
- 1981-12-01 CA CA000391258A patent/CA1166922A/en not_active Expired
- 1981-12-01 ZA ZA818318A patent/ZA818318B/xx unknown
- 1981-12-01 IT IT25376/81A patent/IT1139884B/it active
- 1981-12-01 ZW ZW291/81A patent/ZW29181A1/xx unknown
- 1981-12-01 IN IN1361/CAL/81A patent/IN155466B/en unknown
- 1981-12-01 DE DE19813147531 patent/DE3147531A1/de active Granted
- 1981-12-02 YU YU02800/81A patent/YU280081A/xx unknown
- 1981-12-03 IL IL64443A patent/IL64443A/xx not_active IP Right Cessation
Also Published As
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| SE8402421D0 (sv) | Ventilated mouthpiece for a smoking article | |
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| BE906011A (fr) | Perfectionnements aux articles a fumer. | |
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| GEP19960647B (en) | Cigarette filter | |
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