DE3280328D1 - SMOKE FILTER AND THEIR PRODUCTION. - Google Patents
SMOKE FILTER AND THEIR PRODUCTION.Info
- Publication number
- DE3280328D1 DE3280328D1 DE8282306942T DE3280328T DE3280328D1 DE 3280328 D1 DE3280328 D1 DE 3280328D1 DE 8282306942 T DE8282306942 T DE 8282306942T DE 3280328 T DE3280328 T DE 3280328T DE 3280328 D1 DE3280328 D1 DE 3280328D1
- Authority
- DE
- Germany
- Prior art keywords
- production
- smoke filter
- smoke
- filter
- 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
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
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 (1)
Publication Number | Publication Date |
---|---|
DE3280328D1 true DE3280328D1 (en) | 1991-06-06 |
Family
ID=27406942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282306942T Expired - Lifetime DE3280328D1 (en) | 1981-12-23 | 1982-12-23 | SMOKE FILTER 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) |
Families Citing this family (8)
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 |
RU2739544C1 (en) * | 2017-06-19 | 2020-12-25 | Джапан Тобакко Инк. | Smoking article filter and method of manufacturing thereof |
WO2019170454A1 (en) * | 2018-03-08 | 2019-09-12 | Philip Morris Products S.A. | Aerosol generating articles |
US20220202070A1 (en) * | 2019-05-01 | 2022-06-30 | Bello Ophir Ltd. | Smoking article mouthpiece |
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 |
Family Cites Families (7)
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 |
-
1982
- 1982-12-16 CA CA000417850A patent/CA1212008A/en not_active Expired
- 1982-12-23 EP EP82306942A patent/EP0082734B1/en not_active Expired - Lifetime
- 1982-12-23 GB GB08236686A patent/GB2113068B/en not_active Expired
- 1982-12-23 DE DE8282306942T patent/DE3280328D1/en not_active Expired - Lifetime
-
1989
- 1989-11-02 HK HK864/89A patent/HK86489A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2113068B (en) | 1985-11-27 |
EP0082734B1 (en) | 1991-05-02 |
EP0082734A2 (en) | 1983-06-29 |
GB2113068A (en) | 1983-08-03 |
HK86489A (en) | 1989-11-10 |
CA1212008A (en) | 1986-09-30 |
EP0082734A3 (en) | 1985-12-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |