US3860011A - Hollow filter - Google Patents
Hollow filter Download PDFInfo
- Publication number
- US3860011A US3860011A US391834A US39183473A US3860011A US 3860011 A US3860011 A US 3860011A US 391834 A US391834 A US 391834A US 39183473 A US39183473 A US 39183473A US 3860011 A US3860011 A US 3860011A
- Authority
- US
- United States
- Prior art keywords
- filter
- smoke
- filter material
- layer
- passage
- 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
Images
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
- A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
Description
Claims (9)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US391834A US3860011A (en) | 1973-08-27 | 1973-08-27 | Hollow filter |
GB3718074A GB1435255A (en) | 1973-08-27 | 1974-08-23 | Filter rods for cigarettes |
CH1163074A CH586519A5 (en) | 1973-08-27 | 1974-08-26 | |
AU72698/74A AU473161B2 (en) | 1973-08-27 | 1974-08-26 | A hollow filter and apparatus for making same |
FR7429165A FR2242041B1 (en) | 1973-08-27 | 1974-08-26 | |
AR22531674A AR202490A1 (en) | 1973-08-27 | 1974-08-26 | FILTER FOR CIGARETTES, METHOD AND APPARATUS FOR THE PRODUCTION OF THE SAME AND THE CIGARETTE THAT CARRIES IT |
DE19742440821 DE2440821C3 (en) | 1973-08-27 | 1974-08-26 | Cigarette filters and method and apparatus for their manufacture |
IE177474A IE39911B1 (en) | 1973-08-27 | 1974-08-26 | Improvements in or relating to filter rods for cigarettes |
CA207,953A CA1011211A (en) | 1973-08-27 | 1974-08-27 | Hollow filter |
JP9829774A JPS515079B2 (en) | 1973-08-27 | 1974-08-27 | |
BR711974A BR7407119A (en) | 1973-08-27 | 1974-08-27 | HOLLOW FILTER FOR CIGARETTES PROCESS AND APPLIANCE FOR THE SAME PRODUCTION |
IT26637/74A IT1022078B (en) | 1973-08-27 | 1974-08-27 | PROCEDURE AND EQUIPMENT FOR MANUFACTURING FILTERS FOR CIGARETTES |
NL7411372A NL7411372A (en) | 1973-08-27 | 1974-08-27 | PROCESS FOR MANUFACTURING A CIGARETTE FILTER, A DEVICE TO BE APPLIED THEREOF AND MANUFACTURED CIGARETTE FILTER ACCORDING TO THIS PROCESS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US391834A US3860011A (en) | 1973-08-27 | 1973-08-27 | Hollow filter |
Publications (1)
Publication Number | Publication Date |
---|---|
US3860011A true US3860011A (en) | 1975-01-14 |
Family
ID=23548125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US391834A Expired - Lifetime US3860011A (en) | 1973-08-27 | 1973-08-27 | Hollow filter |
Country Status (3)
Country | Link |
---|---|
US (1) | US3860011A (en) |
CA (1) | CA1011211A (en) |
IT (1) | IT1022078B (en) |
Cited By (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4034765A (en) * | 1975-10-30 | 1977-07-12 | Liggett & Myers Incorporated | Tobacco smoke filter |
US4037524A (en) * | 1976-11-08 | 1977-07-26 | Liggett Group Inc. | Apparatus for combining a tube with a cigarette filter |
US4109666A (en) * | 1976-03-01 | 1978-08-29 | Liggett Group Inc. | Cigarette filter |
FR2382203A1 (en) * | 1977-02-02 | 1978-09-29 | Liggett Group Inc | METHOD AND DEVICE FOR MANUFACTURING CIGARETTE FILTERS IN SEVERAL SECTIONS |
US4331166A (en) * | 1980-05-02 | 1982-05-25 | Philip Morris, Incorporated | Cigarette |
US4386618A (en) * | 1981-06-29 | 1983-06-07 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4413641A (en) * | 1979-09-07 | 1983-11-08 | Philip Morris Incorporated | Cigarette mouthpiece |
EP0099225A1 (en) * | 1982-07-07 | 1984-01-25 | Mitsubishi Acetate Co., Ltd. | Tobacco smoke filter and process to produce same |
US4438776A (en) * | 1982-06-24 | 1984-03-27 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4440593A (en) * | 1981-12-11 | 1984-04-03 | Goldsworthy Engineering, Inc. | Reinforced plastic composite articles and apparatus and method for producing same |
US4469541A (en) * | 1981-12-11 | 1984-09-04 | Goldsworthy Engineering, Inc. | Method for forming reinforced plastic composite articles |
US4492238A (en) | 1981-09-30 | 1985-01-08 | Philip Morris Incorporated | Method and apparatus for production of smoke filter components |
US4508525A (en) * | 1980-05-27 | 1985-04-02 | American Filtrona Corporation | Method and apparatus for producing tobacco smoke filter having improved tar/carbon monoxide ratio |
US4545391A (en) * | 1983-05-26 | 1985-10-08 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4585015A (en) * | 1984-11-16 | 1986-04-29 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4648858A (en) * | 1985-09-30 | 1987-03-10 | Brown & Williamson Tobacco Corporation | Apparatus for manufacturing a cigarette filter tow |
US4660576A (en) * | 1984-03-23 | 1987-04-28 | British-American Tobacco Company Limited | Smoking articles |
US4693265A (en) * | 1986-05-19 | 1987-09-15 | R. J. Reynolds Tobacco Company | Cigarette filter having low visible staining |
US4700724A (en) * | 1983-11-18 | 1987-10-20 | British-American Tobacco Company Limited | Smoking-articles mouthpieces-elements |
EP0307686A2 (en) * | 1987-09-15 | 1989-03-22 | R.J. Reynolds Tobacco Company | Apparatus for making components of a smoking article |
US4942887A (en) * | 1987-06-15 | 1990-07-24 | Fabriques De Tabac Reunies, S.A. | Filter mouthpiece for a smoking article |
US4984588A (en) * | 1981-09-14 | 1991-01-15 | Philip Morris Incorporated | Low delivery cigarette |
EP0568107A2 (en) * | 1987-08-25 | 1993-11-03 | R.J. Reynolds Tobacco Company | Method and apparatus for forming a rod for use in the manufacture of smoking articles |
US5392792A (en) * | 1993-04-13 | 1995-02-28 | R. J. Reynolds Tobacco Company | Reduced gas phase cigarette |
US5954060A (en) * | 1998-02-12 | 1999-09-21 | Cardarelli; Venanzio | Coaxial filter cigarette |
WO2000000047A1 (en) * | 1998-06-30 | 2000-01-06 | Philip Morris Products, Inc. | Low delivery cigarette and filter |
US20070186945A1 (en) * | 2005-12-29 | 2007-08-16 | Philip Morris Usa Inc. | Smoking article with improved delivery profile |
US20070235050A1 (en) * | 2006-03-28 | 2007-10-11 | Philip Morris Usa Inc. | Smoking article with a restrictor |
US20080017204A1 (en) * | 2006-07-12 | 2008-01-24 | Philip Morris Usa Inc. | Smoking article with impaction filter segment |
US20080035162A1 (en) * | 2006-08-08 | 2008-02-14 | Philip Morris Usa Inc. | Smoking article with single piece restrictor and chamber |
US20080163877A1 (en) * | 2006-12-29 | 2008-07-10 | Philip Morris Usa Inc. | Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system |
US20080216848A1 (en) * | 2007-03-09 | 2008-09-11 | Philip Morris Usa Inc. | Smoking article filter with annular restrictor and downstream ventilation |
US20080216853A1 (en) * | 2007-03-09 | 2008-09-11 | Philip Morris Usa Inc. | Smoking article with open ended filter and restrictor |
US20080216851A1 (en) * | 2007-03-09 | 2008-09-11 | Philip Morris Usa Inc. | Smoking articles with restrictor and aerosol former |
US20080229990A1 (en) * | 2007-03-22 | 2008-09-25 | Aisin Seiki Kabushiki Kaisha | Apparatus for adjusting timing of needle and looptaker of sewing machine |
US20110083687A1 (en) * | 2009-10-09 | 2011-04-14 | Philip Morris Usa Inc. | Cigarette filter to reduce smoke deliveries in later puffs |
US20110083675A1 (en) * | 2009-10-09 | 2011-04-14 | Philip Morris Usa Inc. | Smoking article with valved restrictor |
US20110088704A1 (en) * | 2009-10-15 | 2011-04-21 | Philip Morris Usa Inc. | Enhanced subjective activated carbon cigarette |
US7987856B2 (en) | 2005-12-29 | 2011-08-02 | Philip Morris Usa Inc. | Smoking article with bypass channel |
DE102010043350A1 (en) * | 2010-11-03 | 2012-05-03 | Hauni Maschinenbau Ag | Apparatus for the production of coaxial filters for rod-shaped smoking articles |
EP2449896A1 (en) * | 2010-11-03 | 2012-05-09 | HAUNI Maschinenbau AG | Device for producing coaxial filters for smokeable rod shaped articles |
WO2012106024A1 (en) * | 2011-02-01 | 2012-08-09 | Fallon Jarrad Bryan | Method and apparatus for making a smoking article |
US20120255569A1 (en) * | 2011-04-08 | 2012-10-11 | Rj Reynolds Tobacco Company | Filtered cigarette comprising a tubular element in filter |
US8434499B2 (en) | 2009-10-09 | 2013-05-07 | Philip Morris Usa Inc. | Filter design for improving sensory profile of carbon filter-tipped smoking articles |
WO2015007556A1 (en) * | 2013-07-18 | 2015-01-22 | Philip Morris Products S.A. | Method of manufacturing an airflow directing segment for a smoking article |
US9138016B2 (en) | 2010-03-26 | 2015-09-22 | Philip Morris Usa Inc. | Smoking articles with significantly reduced gas vapor phase smoking constituents |
EP2914137B1 (en) | 2012-10-31 | 2018-12-05 | British American Tobacco (Investments) Ltd | A filter for a smoking article |
US10182592B2 (en) * | 2010-03-16 | 2019-01-22 | Japan Tobacco Inc. | Filter manufacturing machine |
WO2020201566A1 (en) * | 2019-04-04 | 2020-10-08 | Philip Morris Products S.A. | Aerosol-generating article comprising a hollow tubular support element |
KR20210049882A (en) * | 2018-09-07 | 2021-05-06 | 크라우스마파이 테크놀로지스 게엠베하 | Method and strand-stretching device for manufacturing leaf springs of fiber composite construction |
EP3509445B1 (en) * | 2016-09-08 | 2021-10-06 | MONTRADE S.p.A. | A method and apparatus for producing a filter rod for smoking articles |
EP4233578A3 (en) * | 2017-03-24 | 2023-09-13 | British American Tobacco (Investments) Limited | Methods and equipment for forming tubes of fibrous material |
US11957163B2 (en) | 2011-04-08 | 2024-04-16 | R.J. Reynolds Tobacco Company | Multi-segment filter element including smoke-altering flavorant |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3045680A (en) * | 1958-09-30 | 1962-07-24 | Millard F Smith | Smoke filtering device |
US3242925A (en) * | 1960-02-15 | 1966-03-29 | Thomas A Sterne | Cigarette manufacture |
US3270750A (en) * | 1960-09-16 | 1966-09-06 | Robert A Campbell | Adjustable-filter cigarette |
US3324861A (en) * | 1965-01-22 | 1967-06-13 | Henry J Gaisman | Cigarette construction or the like |
US3324862A (en) * | 1964-08-31 | 1967-06-13 | Simone Bessie De | Smoking device |
US3396733A (en) * | 1966-03-23 | 1968-08-13 | Lorillard Co P | Cigarette tip |
US3428050A (en) * | 1967-02-21 | 1969-02-18 | Walter R Kandel | Filter cigarette of adjustable filter capacity |
US3490461A (en) * | 1967-04-20 | 1970-01-20 | Philip Morris Inc | Cigarette ventilation |
US3546325A (en) * | 1968-11-19 | 1970-12-08 | Celfil Co | Method of manufacturing filter ropes |
-
1973
- 1973-08-27 US US391834A patent/US3860011A/en not_active Expired - Lifetime
-
1974
- 1974-08-27 CA CA207,953A patent/CA1011211A/en not_active Expired
- 1974-08-27 IT IT26637/74A patent/IT1022078B/en active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3045680A (en) * | 1958-09-30 | 1962-07-24 | Millard F Smith | Smoke filtering device |
US3242925A (en) * | 1960-02-15 | 1966-03-29 | Thomas A Sterne | Cigarette manufacture |
US3270750A (en) * | 1960-09-16 | 1966-09-06 | Robert A Campbell | Adjustable-filter cigarette |
US3324862A (en) * | 1964-08-31 | 1967-06-13 | Simone Bessie De | Smoking device |
US3324861A (en) * | 1965-01-22 | 1967-06-13 | Henry J Gaisman | Cigarette construction or the like |
US3396733A (en) * | 1966-03-23 | 1968-08-13 | Lorillard Co P | Cigarette tip |
US3428050A (en) * | 1967-02-21 | 1969-02-18 | Walter R Kandel | Filter cigarette of adjustable filter capacity |
US3490461A (en) * | 1967-04-20 | 1970-01-20 | Philip Morris Inc | Cigarette ventilation |
US3546325A (en) * | 1968-11-19 | 1970-12-08 | Celfil Co | Method of manufacturing filter ropes |
Cited By (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4034765A (en) * | 1975-10-30 | 1977-07-12 | Liggett & Myers Incorporated | Tobacco smoke filter |
US4088065A (en) * | 1975-10-30 | 1978-05-09 | Liggett & Myers Incorporated | Method and apparatus for making tobacco smoke filter |
US4109666A (en) * | 1976-03-01 | 1978-08-29 | Liggett Group Inc. | Cigarette filter |
US4037524A (en) * | 1976-11-08 | 1977-07-26 | Liggett Group Inc. | Apparatus for combining a tube with a cigarette filter |
DE2749947A1 (en) * | 1976-11-08 | 1978-05-11 | Liggett Group Inc | FILTER PRODUCTION MACHINE |
FR2382203A1 (en) * | 1977-02-02 | 1978-09-29 | Liggett Group Inc | METHOD AND DEVICE FOR MANUFACTURING CIGARETTE FILTERS IN SEVERAL SECTIONS |
US4413641A (en) * | 1979-09-07 | 1983-11-08 | Philip Morris Incorporated | Cigarette mouthpiece |
US4331166A (en) * | 1980-05-02 | 1982-05-25 | Philip Morris, Incorporated | Cigarette |
US4508525A (en) * | 1980-05-27 | 1985-04-02 | American Filtrona Corporation | Method and apparatus for producing tobacco smoke filter having improved tar/carbon monoxide ratio |
US4386618A (en) * | 1981-06-29 | 1983-06-07 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4984588A (en) * | 1981-09-14 | 1991-01-15 | Philip Morris Incorporated | Low delivery cigarette |
US4492238A (en) | 1981-09-30 | 1985-01-08 | Philip Morris Incorporated | Method and apparatus for production of smoke filter components |
US4440593A (en) * | 1981-12-11 | 1984-04-03 | Goldsworthy Engineering, Inc. | Reinforced plastic composite articles and apparatus and method for producing same |
US4469541A (en) * | 1981-12-11 | 1984-09-04 | Goldsworthy Engineering, Inc. | Method for forming reinforced plastic composite articles |
US4438776A (en) * | 1982-06-24 | 1984-03-27 | Brown & Williamson Tobacco Corporation | Cigarette filter |
EP0099225A1 (en) * | 1982-07-07 | 1984-01-25 | Mitsubishi Acetate Co., Ltd. | Tobacco smoke filter and process to produce same |
US4545391A (en) * | 1983-05-26 | 1985-10-08 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4700724A (en) * | 1983-11-18 | 1987-10-20 | British-American Tobacco Company Limited | Smoking-articles mouthpieces-elements |
US4660576A (en) * | 1984-03-23 | 1987-04-28 | British-American Tobacco Company Limited | Smoking articles |
US4585015A (en) * | 1984-11-16 | 1986-04-29 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US4648858A (en) * | 1985-09-30 | 1987-03-10 | Brown & Williamson Tobacco Corporation | Apparatus for manufacturing a cigarette filter tow |
US4693265A (en) * | 1986-05-19 | 1987-09-15 | R. J. Reynolds Tobacco Company | Cigarette filter having low visible staining |
US4942887A (en) * | 1987-06-15 | 1990-07-24 | Fabriques De Tabac Reunies, S.A. | Filter mouthpiece for a smoking article |
EP0568107A3 (en) * | 1987-08-25 | 1993-12-01 | Reynolds Tobacco Co R | Method and apparatus for forming a rod for use in the manufacture of smoking articles |
EP0568107A2 (en) * | 1987-08-25 | 1993-11-03 | R.J. Reynolds Tobacco Company | Method and apparatus for forming a rod for use in the manufacture of smoking articles |
EP0307686A3 (en) * | 1987-09-15 | 1990-08-16 | R. J. Reynolds Tobacco Company | Apparatus and methods for making components of a smoking article |
US4893637A (en) * | 1987-09-15 | 1990-01-16 | R. J. Reynolds Tobacco Co. | Apparatus and methods for making components of a smoking article |
EP0307686A2 (en) * | 1987-09-15 | 1989-03-22 | R.J. Reynolds Tobacco Company | Apparatus for making components of a smoking article |
US5392792A (en) * | 1993-04-13 | 1995-02-28 | R. J. Reynolds Tobacco Company | Reduced gas phase cigarette |
US5954060A (en) * | 1998-02-12 | 1999-09-21 | Cardarelli; Venanzio | Coaxial filter cigarette |
WO2000000047A1 (en) * | 1998-06-30 | 2000-01-06 | Philip Morris Products, Inc. | Low delivery cigarette and filter |
US8240315B2 (en) | 2005-12-29 | 2012-08-14 | Philip Morris Usa Inc. | Smoking article with improved delivery profile |
US20070186945A1 (en) * | 2005-12-29 | 2007-08-16 | Philip Morris Usa Inc. | Smoking article with improved delivery profile |
US7987856B2 (en) | 2005-12-29 | 2011-08-02 | Philip Morris Usa Inc. | Smoking article with bypass channel |
US20070235050A1 (en) * | 2006-03-28 | 2007-10-11 | Philip Morris Usa Inc. | Smoking article with a restrictor |
US9060546B2 (en) | 2006-03-28 | 2015-06-23 | Philip Morris Usa Inc. | Smoking article with a restrictor |
US7878963B2 (en) | 2006-03-28 | 2011-02-01 | Philip Morris Usa Inc. | Smoking article with a restrictor |
US20080017204A1 (en) * | 2006-07-12 | 2008-01-24 | Philip Morris Usa Inc. | Smoking article with impaction filter segment |
US8353298B2 (en) | 2006-07-12 | 2013-01-15 | Philip Morris Usa Inc. | Smoking article with impaction filter segment |
US20080035162A1 (en) * | 2006-08-08 | 2008-02-14 | Philip Morris Usa Inc. | Smoking article with single piece restrictor and chamber |
US8424539B2 (en) | 2006-08-08 | 2013-04-23 | Philip Morris Usa Inc. | Smoking article with single piece restrictor and chamber |
US20080163877A1 (en) * | 2006-12-29 | 2008-07-10 | Philip Morris Usa Inc. | Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system |
US8235056B2 (en) | 2006-12-29 | 2012-08-07 | Philip Morris Usa Inc. | Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system |
US20080216848A1 (en) * | 2007-03-09 | 2008-09-11 | Philip Morris Usa Inc. | Smoking article filter with annular restrictor and downstream ventilation |
US8353302B2 (en) | 2007-03-09 | 2013-01-15 | Philip Morris Usa Inc. | Smoking articles with restrictor and aerosol former |
US8109277B2 (en) | 2007-03-09 | 2012-02-07 | Philip Morris USA Inc, | Smoking article filter with annular restrictor and downstream ventilation |
US20080216853A1 (en) * | 2007-03-09 | 2008-09-11 | Philip Morris Usa Inc. | Smoking article with open ended filter and restrictor |
US8235057B2 (en) | 2007-03-09 | 2012-08-07 | Philip Morris Usa Inc. | Smoking article with open ended filter and restrictor |
US20080216851A1 (en) * | 2007-03-09 | 2008-09-11 | Philip Morris Usa Inc. | Smoking articles with restrictor and aerosol former |
US20080229990A1 (en) * | 2007-03-22 | 2008-09-25 | Aisin Seiki Kabushiki Kaisha | Apparatus for adjusting timing of needle and looptaker of sewing machine |
US8434499B2 (en) | 2009-10-09 | 2013-05-07 | Philip Morris Usa Inc. | Filter design for improving sensory profile of carbon filter-tipped smoking articles |
US20110083675A1 (en) * | 2009-10-09 | 2011-04-14 | Philip Morris Usa Inc. | Smoking article with valved restrictor |
US20110083687A1 (en) * | 2009-10-09 | 2011-04-14 | Philip Morris Usa Inc. | Cigarette filter to reduce smoke deliveries in later puffs |
US8424540B2 (en) | 2009-10-09 | 2013-04-23 | Philip Morris Usa Inc. | Smoking article with valved restrictor |
US8905037B2 (en) | 2009-10-15 | 2014-12-09 | Philip Morris Inc. | Enhanced subjective activated carbon cigarette |
US20110088704A1 (en) * | 2009-10-15 | 2011-04-21 | Philip Morris Usa Inc. | Enhanced subjective activated carbon cigarette |
US10182592B2 (en) * | 2010-03-16 | 2019-01-22 | Japan Tobacco Inc. | Filter manufacturing machine |
US9138016B2 (en) | 2010-03-26 | 2015-09-22 | Philip Morris Usa Inc. | Smoking articles with significantly reduced gas vapor phase smoking constituents |
EP2449896A1 (en) * | 2010-11-03 | 2012-05-09 | HAUNI Maschinenbau AG | Device for producing coaxial filters for smokeable rod shaped articles |
EP2449898A3 (en) * | 2010-11-03 | 2014-12-24 | HAUNI Maschinenbau AG | Device for producing coaxial filters for smokeable rod shaped articles |
DE102010043350A1 (en) * | 2010-11-03 | 2012-05-03 | Hauni Maschinenbau Ag | Apparatus for the production of coaxial filters for rod-shaped smoking articles |
WO2012106024A1 (en) * | 2011-02-01 | 2012-08-09 | Fallon Jarrad Bryan | Method and apparatus for making a smoking article |
US10609955B2 (en) * | 2011-04-08 | 2020-04-07 | R.J. Reynolds Tobacco Company | Filtered cigarette comprising a tubular element in filter |
US11957163B2 (en) | 2011-04-08 | 2024-04-16 | R.J. Reynolds Tobacco Company | Multi-segment filter element including smoke-altering flavorant |
US20120255569A1 (en) * | 2011-04-08 | 2012-10-11 | Rj Reynolds Tobacco Company | Filtered cigarette comprising a tubular element in filter |
EP2914137B1 (en) | 2012-10-31 | 2018-12-05 | British American Tobacco (Investments) Ltd | A filter for a smoking article |
WO2015007556A1 (en) * | 2013-07-18 | 2015-01-22 | Philip Morris Products S.A. | Method of manufacturing an airflow directing segment for a smoking article |
EP3509445B1 (en) * | 2016-09-08 | 2021-10-06 | MONTRADE S.p.A. | A method and apparatus for producing a filter rod for smoking articles |
EP4233578A3 (en) * | 2017-03-24 | 2023-09-13 | British American Tobacco (Investments) Limited | Methods and equipment for forming tubes of fibrous material |
US11945178B2 (en) | 2017-03-24 | 2024-04-02 | British American Tobacco (Investments) Limited | Methods and equipment for forming tubes of fibrous material |
KR20210049882A (en) * | 2018-09-07 | 2021-05-06 | 크라우스마파이 테크놀로지스 게엠베하 | Method and strand-stretching device for manufacturing leaf springs of fiber composite construction |
KR102582384B1 (en) | 2018-09-07 | 2023-10-17 | 지앙수 헹루이 카본 화이버 테크놀로지 컴퍼니, 리미티드 | Method and strand-drawing device for manufacturing leaf springs of fiber composite construction |
WO2020201566A1 (en) * | 2019-04-04 | 2020-10-08 | Philip Morris Products S.A. | Aerosol-generating article comprising a hollow tubular support element |
US20220175034A1 (en) * | 2019-04-04 | 2022-06-09 | Philip Morris Products S.A. | Aerosol-generating article comprising a hollow tubular support element |
Also Published As
Publication number | Publication date |
---|---|
IT1022078B (en) | 1978-03-20 |
CA1011211A (en) | 1977-05-31 |
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