CA991046A - Tobacco smoke filter - Google Patents

Tobacco smoke filter

Info

Publication number: CA991046A
Authority: CA; Canada
Prior art keywords: tobacco smoke; smoke filter; filter; tobacco; smoke
Prior art date: 1972-09-11
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

Application number

CA180,762A

Other versions

CA180762S (en

Inventor

Richard M. Berger

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Filtrona Richmond Inc

Original Assignee

American Filtrona Corp

Priority date (The priority date 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 date listed.)

1972-09-11

Filing date

1973-09-11

Publication date

1976-06-15

1973-09-11 Application filed by American Filtrona Corp filed Critical American Filtrona Corp

1975-12-23 Priority to CA242,384A priority Critical patent/CA993303A/en

1976-06-15 Application granted granted Critical

1976-06-15 Publication of CA991046A publication Critical patent/CA991046A/en

Status Expired legal-status Critical Current

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

CA180,762A 1972-09-11 1973-09-11 Tobacco smoke filter Expired CA991046A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA242,384A CA993303A (en)	1972-09-11	1975-12-23	Tobacco smoke filter

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
CA991046A true CA991046A (en)	1976-06-15

Family

ID=23104423

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA180,762A Expired CA991046A (en)	1972-09-11	1973-09-11	Tobacco smoke filter

Country Status (7)

Country	Link
US (1)	US3811451A (en)
CA (1)	CA991046A (en)
CH (1)	CH573720A5 (en)
DE (1)	DE2343327C2 (en)
FR (1)	FR2199251A5 (en)
GB (1)	GB1420116A (en)
IT (1)	IT998580B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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 (en) *	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 (en) *	1991-06-07	1996-02-01	Bat Cigarettenfab Gmbh	Process for producing a cigarette filter and cigarette filter produced by this process
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
JP5388249B2 (en) *	2010-03-16	2014-01-15	日本たばこ産業株式会社	Filter making machine
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 (en) *	2017-04-26	2023-06-20	云南中烟工业有限责任公司	Composite filter stick containing through type conical cavity structure and manufacturing method thereof
US11291242B2 (en)	2019-08-28	2022-04-05	Aiger Group Ag	Apparatus and method for forming a smoke filter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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/en 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 CA CA180,762A patent/CA991046A/en not_active Expired
- 1973-09-11 IT IT28758/73A patent/IT998580B/en active

Also Published As

Publication number	Publication date
US3811451A (en)	1974-05-21
FR2199251A5 (en)	1974-04-05
DE2343327A1 (en)	1974-03-21
CH573720A5 (en)	1976-03-31
DE2343327C2 (en)	1985-05-23
GB1420116A (en)	1976-01-07
IT998580B (en)	1976-02-20

Publication	Publication Date	Title
CA992830A (en)	1976-07-13	Filters for tobacco smoke
AU465431B2 (en)	1975-09-25	Filter for tobacco smoke
CA957231A (en)	1974-11-05	Tobacco smoke filter
CA991046A (en)	1976-06-15	Tobacco smoke filter
CA946698A (en)	1974-05-07	Tobacco smoke filters
CA939577A (en)	1974-01-08	Tobacco smoke filter
AU463557B2 (en)	1975-07-31	Improved tobacco smoke filter
CA954407A (en)	1974-09-10	Tobacco smoke filter
CA1026184A (en)	1978-02-14	Tobacco smoke filter
CA941703A (en)	1974-02-12	Tobacco smoke filter
CA1024412A (en)	1978-01-17	Tobacco smoke filter
CA945451A (en)	1974-04-16	Smoke tobacco filter material
CA929438A (en)	1973-07-03	Tobacco smoke filter
CA993303A (en)	1976-07-20	Tobacco smoke filter
CA980202A (en)	1975-12-23	Tobacco smoke filter
CA891311A (en)	1972-01-25	Tobacco smoke filter
AU468763B2 (en)	1976-01-22	Tobacco smoke filter
CA837888A (en)	1970-03-31	Tobacco smoke filter
CA889659A (en)	1972-01-04	Tobacco smoke filter element
CA912946A (en)	1972-10-24	Smoke filter
CA911839A (en)	1972-10-10	Smoke filter
CA911840A (en)	1972-10-10	Smoke filter
CA979770A (en)	1975-12-16	Tobacco filters
CA958298A (en)	1974-11-26	Device for filtering tobacco smoke
CA901424A (en)	1972-05-30	Cigarette filter