CA991046A - Tobacco smoke filter - Google Patents

Tobacco smoke filter

Info

Publication number
CA991046A
CA991046A CA180,762A CA180762A CA991046A CA 991046 A CA991046 A CA 991046A CA 180762 A CA180762 A CA 180762A CA 991046 A CA991046 A CA 991046A
Authority
CA
Canada
Prior art keywords
tobacco smoke
smoke filter
filter
tobacco
smoke
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
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.)
Filing date
Publication date
Application filed by American Filtrona Corp filed Critical American Filtrona Corp
Priority to CA242,384A priority Critical patent/CA993303A/en
Application granted granted Critical
Publication of CA991046A publication Critical patent/CA991046A/en
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
EP2548625B1 (en) * 2010-03-16 2018-06-06 Japan Tobacco, Inc. Filter manufacturing 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

Also Published As

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

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