DE2243349A1 - Verbesserungen an tabakrauchfiltern - Google Patents

Verbesserungen an tabakrauchfiltern

Info

Publication number
DE2243349A1
DE2243349A1 DE2243349A DE2243349A DE2243349A1 DE 2243349 A1 DE2243349 A1 DE 2243349A1 DE 2243349 A DE2243349 A DE 2243349A DE 2243349 A DE2243349 A DE 2243349A DE 2243349 A1 DE2243349 A1 DE 2243349A1
Authority
DE
Germany
Prior art keywords
filter
micrometers
fibers
disc
diameter
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.)
Pending
Application number
DE2243349A
Other languages
German (de)
English (en)
Inventor
Keith Douglas Kilburn
Robert Bleasdale Richardson
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.)
British American Tobacco Investments Ltd IFI
Original Assignee
British American Tobacco Co Ltd
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 British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Publication of DE2243349A1 publication Critical patent/DE2243349A1/de
Pending 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
    • A24D3/04—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

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
DE2243349A 1971-09-06 1972-09-02 Verbesserungen an tabakrauchfiltern Pending DE2243349A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4150371A GB1371794A (en) 1971-09-06 1971-09-06 Tobacco-smoke filters

Publications (1)

Publication Number Publication Date
DE2243349A1 true DE2243349A1 (de) 1973-03-22

Family

ID=10419994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2243349A Pending DE2243349A1 (de) 1971-09-06 1972-09-02 Verbesserungen an tabakrauchfiltern

Country Status (9)

Country Link
AU (1) AU4594172A (en, 2012)
BE (1) BE788366A (en, 2012)
BR (1) BR7206003D0 (en, 2012)
CA (1) CA971066A (en, 2012)
CH (1) CH561516A5 (en, 2012)
DE (1) DE2243349A1 (en, 2012)
GB (1) GB1371794A (en, 2012)
NL (1) NL7212021A (en, 2012)
ZA (1) ZA725729B (en, 2012)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213081A1 (de) * 1985-08-26 1987-03-04 Baumgartner Papiers S.A. Zigarettenfiltereinheit
EP0364256A1 (en) * 1988-10-12 1990-04-18 Rothmans International Tobacco (Uk) Limited Cigarette filter rod elements and cigarettes incorporating such filter rod elements
EP0254004A3 (en) * 1986-07-22 1990-07-11 Rhodia Ag Aerated cigarette
EP0364253B1 (en) * 1988-10-12 1994-03-30 Rothmans International Services Limited Cigarette filter rod elements and cigarettes incorporating such filter rod elements

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331166A (en) * 1980-05-02 1982-05-25 Philip Morris, Incorporated Cigarette
CN102008124B (zh) * 2010-12-07 2013-11-06 杨茂亮 节约香烟
WO2022074133A1 (en) * 2020-10-09 2022-04-14 Philip Morris Products S.A. Aerosol-generating article with ventilation
MX2023003947A (es) * 2020-10-09 2023-04-26 Philip Morris Products Sa Articulo generador de aerosol con ventilacion.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213081A1 (de) * 1985-08-26 1987-03-04 Baumgartner Papiers S.A. Zigarettenfiltereinheit
EP0254004A3 (en) * 1986-07-22 1990-07-11 Rhodia Ag Aerated cigarette
EP0364256A1 (en) * 1988-10-12 1990-04-18 Rothmans International Tobacco (Uk) Limited Cigarette filter rod elements and cigarettes incorporating such filter rod elements
EP0364253B1 (en) * 1988-10-12 1994-03-30 Rothmans International Services Limited Cigarette filter rod elements and cigarettes incorporating such filter rod elements

Also Published As

Publication number Publication date
AU4594172A (en) 1974-02-28
GB1371794A (en) 1974-10-30
CH561516A5 (en, 2012) 1975-05-15
NL7212021A (en, 2012) 1973-03-08
BE788366A (fr) 1973-01-02
CA971066A (en) 1975-07-15
ZA725729B (en) 1973-05-30
BR7206003D0 (pt) 1973-09-13

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