IT998580B - Filtro per fumo di tabacco - Google Patents
Filtro per fumo di tabaccoInfo
- Publication number
- IT998580B IT998580B IT28758/73A IT2875873A IT998580B IT 998580 B IT998580 B IT 998580B IT 28758/73 A IT28758/73 A IT 28758/73A IT 2875873 A IT2875873 A IT 2875873A IT 998580 B IT998580 B IT 998580B
- Authority
- IT
- Italy
- Prior art keywords
- tobacco smoke
- smoke filter
- filter
- tobacco
- smoke
- 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
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
- A24D3/0212—Applying additives to filter materials
- A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00287803A US3811451A (en) | 1972-09-11 | 1972-09-11 | Tobacco smoke filter |
Publications (1)
Publication Number | Publication Date |
---|---|
IT998580B true IT998580B (it) | 1976-02-20 |
Family
ID=23104423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28758/73A IT998580B (it) | 1972-09-11 | 1973-09-11 | Filtro per fumo di tabacco |
Country Status (7)
Country | Link |
---|---|
US (1) | US3811451A (it) |
CA (1) | CA991046A (it) |
CH (1) | CH573720A5 (it) |
DE (1) | DE2343327C2 (it) |
FR (1) | FR2199251A5 (it) |
GB (1) | GB1420116A (it) |
IT (1) | IT998580B (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4022221A (en) * | 1975-10-31 | 1977-05-10 | American Filtrona Corporation | Tobacco smoke filter |
US3994306A (en) * | 1975-12-24 | 1976-11-30 | American Filtrona Corporation | Tobacco smoke filter |
US4037524A (en) * | 1976-11-08 | 1977-07-26 | Liggett Group Inc. | Apparatus for combining a tube with a cigarette filter |
GB1585862A (en) * | 1976-11-19 | 1981-03-11 | British American Tobacco Co | Tobacco-smoke filters |
CA1096737A (en) * | 1977-03-14 | 1981-03-03 | Jan Van Tilburg | Smoke filters |
CH627056A5 (it) * | 1977-12-15 | 1981-12-31 | Baumgartner Papiers Sa | |
US4492238A (en) | 1981-09-30 | 1985-01-08 | Philip Morris Incorporated | Method and apparatus for production of smoke filter components |
US4869274A (en) * | 1986-07-23 | 1989-09-26 | Berger Richard M | Cooling apparatus for use in the manufacture of tobacco filters |
GB8713904D0 (en) * | 1987-06-15 | 1987-07-22 | Tabac Fab Reunies Sa | Filter for smoking articles |
DE4118815C2 (de) * | 1991-06-07 | 1996-02-01 | Bat Cigarettenfab Gmbh | Verfahren zur Herstellung eines Cigarettenfilters und nach diesem Verfahren hergestellter Cigarettenfilter |
US5195543A (en) * | 1991-10-28 | 1993-03-23 | American Filtrona Corporation | Balanced flow tobacco smoke filter |
US7669604B2 (en) * | 2003-09-30 | 2010-03-02 | R.J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
ES2686334T3 (es) * | 2010-03-16 | 2018-10-17 | Japan Tobacco, Inc. | Máquina de fabricación de filtros |
US9854833B2 (en) * | 2012-02-16 | 2018-01-02 | R. J. Reynolds Tobacco Company | Apparatus and associated method for forming a filter component of a smoking article |
CN106942788B (zh) * | 2017-04-26 | 2023-06-20 | 云南中烟工业有限责任公司 | 一种含有贯通式锥形空腔结构的复合滤棒及其制作方法 |
US11291242B2 (en) | 2019-08-28 | 2022-04-05 | Aiger Group Ag | Apparatus and method for forming a smoke filter |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1850101A (en) * | 1929-05-04 | 1932-03-22 | Oscar V Greene | Filter mechanism |
US2954773A (en) * | 1958-01-23 | 1960-10-04 | Mac Farland Aveyard & Company | Cigarette filters and method of making same |
US3045680A (en) * | 1958-09-30 | 1962-07-24 | Millard F Smith | Smoke filtering device |
GB1099922A (en) * | 1964-02-07 | 1968-01-17 | Desmond Walter Molins | Improvements in or relating to filter tips for cigarettes |
US3348553A (en) * | 1965-03-09 | 1967-10-24 | Emkay Inc | Smoker's mouthpiece |
US3313306A (en) * | 1965-10-22 | 1967-04-11 | American Filtrona Corp | Stable elongated elements and smoking means incorporating the same |
GB1236208A (en) * | 1967-09-15 | 1971-06-23 | Molins Machine Co Ltd | Improvements in or relating to mouthpieces for cigarettes |
US3533416A (en) * | 1968-05-08 | 1970-10-13 | American Filtrona Corp | Tobacco smoke filter |
US3599646A (en) * | 1969-04-30 | 1971-08-17 | American Filtrona Corp | Cigarette filter |
IE34551B1 (en) * | 1969-11-07 | 1975-06-11 | Cigarette Components Ltd | Cigarette filter |
US3637447A (en) * | 1970-06-10 | 1972-01-25 | American Filtrona Corp | Method of making filter means by crimping and overwrapping a tubular element |
US3648711A (en) * | 1970-08-11 | 1972-03-14 | American Filtrona Corp | Tobacco smoke filter |
GB1318113A (en) * | 1970-10-01 | 1973-05-23 | Cigarette Components Ltd | Tobacco smoke filter |
-
1972
- 1972-09-11 US US00287803A patent/US3811451A/en not_active Expired - Lifetime
-
1973
- 1973-08-28 DE DE2343327A patent/DE2343327C2/de not_active Expired
- 1973-09-04 GB GB4158373A patent/GB1420116A/en not_active Expired
- 1973-09-10 CH CH1295273A patent/CH573720A5/xx not_active IP Right Cessation
- 1973-09-10 FR FR7332476A patent/FR2199251A5/fr not_active Expired
- 1973-09-11 IT IT28758/73A patent/IT998580B/it active
- 1973-09-11 CA CA180,762A patent/CA991046A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA991046A (en) | 1976-06-15 |
DE2343327A1 (de) | 1974-03-21 |
CH573720A5 (it) | 1976-03-31 |
GB1420116A (en) | 1976-01-07 |
US3811451A (en) | 1974-05-21 |
DE2343327C2 (de) | 1985-05-23 |
FR2199251A5 (it) | 1974-04-05 |
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