ZA818469B - Improved cigarette filter - Google Patents

Improved cigarette filter

Info

Publication number
ZA818469B
ZA818469B ZA818469A ZA818469A ZA818469B ZA 818469 B ZA818469 B ZA 818469B ZA 818469 A ZA818469 A ZA 818469A ZA 818469 A ZA818469 A ZA 818469A ZA 818469 B ZA818469 B ZA 818469B
Authority
ZA
South Africa
Prior art keywords
cigarette filter
improved cigarette
improved
filter
cigarette
Prior art date
Application number
ZA818469A
Other languages
English (en)
Inventor
R Sanford
R Johnson
Original Assignee
Brown & Williamson Tobacco
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 Brown & Williamson Tobacco filed Critical Brown & Williamson Tobacco
Publication of ZA818469B publication Critical patent/ZA818469B/xx

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
    • 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
    • A24D3/025—Final operations, i.e. after the filter rod forming process
    • A24D3/0258—Means for making grooves
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
ZA818469A 1980-12-05 1981-12-07 Improved cigarette filter ZA818469B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/213,441 US4338956A (en) 1980-12-05 1980-12-05 Cigarette filter

Publications (1)

Publication Number Publication Date
ZA818469B true ZA818469B (en) 1982-11-24

Family

ID=22795148

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA818469A ZA818469B (en) 1980-12-05 1981-12-07 Improved cigarette filter

Country Status (35)

Country Link
US (1) US4338956A (fi)
JP (1) JPS57122785A (fi)
KR (1) KR830006943A (fi)
AR (1) AR226492A1 (fi)
AT (1) AT378110B (fi)
AU (1) AU542172B2 (fi)
BE (1) BE891332A (fi)
BR (1) BR8107898A (fi)
CA (1) CA1167731A (fi)
CH (1) CH653866A5 (fi)
CS (1) CS239917B2 (fi)
DE (1) DE3147896A1 (fi)
DK (1) DK537981A (fi)
ES (1) ES271792Y (fi)
FI (1) FI813860L (fi)
FR (1) FR2495443B1 (fi)
GB (1) GB2088690B (fi)
GR (1) GR76333B (fi)
HK (1) HK30385A (fi)
HU (1) HU185156B (fi)
IL (1) IL64445A (fi)
IN (1) IN153353B (fi)
IT (1) IT1139923B (fi)
KE (1) KE3506A (fi)
LU (1) LU83809A1 (fi)
MY (1) MY8600024A (fi)
NL (1) NL8105479A (fi)
NO (1) NO152672C (fi)
NZ (1) NZ199174A (fi)
PL (1) PL129915B1 (fi)
SE (1) SE8107233L (fi)
SG (1) SG9085G (fi)
SU (1) SU1213971A3 (fi)
YU (1) YU284881A (fi)
ZA (1) ZA818469B (fi)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4582071A (en) * 1980-12-22 1986-04-15 Imperial Group Limited Tipping assembly for an elongate smoking article
AU559296B2 (en) * 1981-07-06 1987-03-05 Cigarette Components Limited Filter device
US4492238A (en) 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
US4499912A (en) * 1981-12-23 1985-02-19 American Filtrona Corporation Free air dilution smoke filter and method and apparatus for fabricating same
ZA829197B (en) * 1981-12-23 1983-09-28 Imp Group Plc A tipping assembly for an elongate smoking article
US4423744A (en) * 1981-12-23 1984-01-03 American Filtrona Corporation Tobacco smoke filter contoured to provide undiluted air flow and method and apparatus for manufacturing same
US4552158A (en) * 1981-12-23 1985-11-12 American Filtrona Corporation Free air dilution smoke filter and method and apparatus for fabricating same
US4406294A (en) * 1982-02-16 1983-09-27 Brown & Williamson Tobacco Corporation Cigarette filter
US4424819A (en) * 1982-03-31 1984-01-10 Brown & Williamson Tobacco Corporation Cigarette filter
NL8201808A (nl) * 1982-05-03 1983-12-01 Turmac Tobacco Company N V Filtersigaret.
DE3374164D1 (en) * 1982-09-01 1987-12-03 Imp Tobacco Co Ltd Tipping assembly for an elongate smoking article
GB8531659D0 (en) * 1985-12-23 1986-02-05 British American Tobacco Co Smoking articles
US5178166A (en) * 1990-09-20 1993-01-12 Philip Morris Incorporated Filter cigarette
GB9917820D0 (en) * 1999-07-29 1999-09-29 American Filtrona Corp Filter for a cigarette and filter-tipped cigarette
US20100059072A1 (en) * 2008-09-09 2010-03-11 Steve Woodson Ventilated smoking material perforation apparatus, method and product
US20100059075A1 (en) * 2008-09-09 2010-03-11 Steve Woodson Ventilated smoking material perforation apparatus and method
US10405572B2 (en) * 2014-06-16 2019-09-10 Philip Morris Products S.A. Reinforced web of reconstituted tobacco

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB862676A (en) * 1957-09-21 1961-03-15 Kurt Koerber Method and apparatus for producing filter mouthpieces for cigarettes or the like
CH394912A (de) * 1960-07-29 1965-06-30 Mueller Paul Adolf Dipl Ing Rauchware, insbesondere Zigarette, mit Mundstück
US3324862A (en) * 1964-08-31 1967-06-13 Simone Bessie De Smoking device
US3490461A (en) * 1967-04-20 1970-01-20 Philip Morris Inc Cigarette ventilation
US3607512A (en) * 1969-01-03 1971-09-21 Philip Morris Inc Extruding tow filled mouthpiece rod having serrated inner surfaces clenching the tow
US3789855A (en) * 1971-06-22 1974-02-05 Liggett & Myers Inc High flavor impact, low smoke yield cigarette mouthpiece
US3752165A (en) * 1971-12-20 1973-08-14 G Harllee Smoke filter plug and process and cigarette made therefrom
GB1414745A (en) * 1973-02-26 1975-11-19 Cigarette Components Ltd Tobacco smoke filter
US3910288A (en) * 1973-02-27 1975-10-07 Brown & Williamson Tobacco Programmed filter
GB1428018A (en) * 1973-02-27 1976-03-17 British American Tobacco Co Filtering device for a smoking product
GB1585862A (en) * 1976-11-19 1981-03-11 British American Tobacco Co Tobacco-smoke filters
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter

Also Published As

Publication number Publication date
SU1213971A3 (ru) 1986-02-23
BE891332A (fr) 1982-03-31
GR76333B (fi) 1984-08-04
FR2495443A1 (fr) 1982-06-11
FR2495443B1 (fr) 1986-07-11
ATA524681A (de) 1984-11-15
DE3147896A1 (de) 1982-06-24
HK30385A (en) 1985-04-26
KR830006943A (ko) 1983-10-12
PL129915B1 (en) 1984-06-30
ES271792Y (es) 1984-04-01
GB2088690B (en) 1984-12-12
GB2088690A (en) 1982-06-16
BR8107898A (pt) 1982-09-08
US4338956A (en) 1982-07-13
PL234125A1 (fi) 1982-07-05
ES271792U (es) 1983-10-01
CA1167731A (en) 1984-05-22
CH653866A5 (de) 1986-01-31
AU7829781A (en) 1982-06-10
FI813860L (fi) 1982-06-06
AU542172B2 (en) 1985-02-07
NO152672C (no) 1985-11-06
IL64445A0 (en) 1982-03-31
NL8105479A (nl) 1982-07-01
DK537981A (da) 1982-06-06
HU185156B (en) 1984-12-28
SE8107233L (sv) 1982-06-06
IT8125468A0 (it) 1981-12-04
IT1139923B (it) 1986-09-24
SG9085G (en) 1985-08-08
IN153353B (fi) 1984-07-07
IL64445A (en) 1984-12-31
AT378110B (de) 1985-06-25
NZ199174A (en) 1984-02-03
NO152672B (no) 1985-07-29
JPS57122785A (en) 1982-07-30
AR226492A1 (es) 1982-07-15
MY8600024A (en) 1986-12-31
KE3506A (en) 1985-03-08
LU83809A1 (fr) 1982-05-07
NO814156L (no) 1982-06-07
CS239917B2 (en) 1986-01-16
YU284881A (en) 1983-10-31

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