IT8125468A0 - Filtro perfezionato per sigarette. - Google Patents

Filtro perfezionato per sigarette.

Info

Publication number
IT8125468A0
IT8125468A0 IT8125468A IT2546881A IT8125468A0 IT 8125468 A0 IT8125468 A0 IT 8125468A0 IT 8125468 A IT8125468 A IT 8125468A IT 2546881 A IT2546881 A IT 2546881A IT 8125468 A0 IT8125468 A0 IT 8125468A0
Authority
IT
Italy
Prior art keywords
cigarettes
improved filter
filter
improved
Prior art date
Application number
IT8125468A
Other languages
English (en)
Other versions
IT1139923B (it
Inventor
Robert A Sanford
Robert 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 IT8125468A0 publication Critical patent/IT8125468A0/it
Application granted granted Critical
Publication of IT1139923B publication Critical patent/IT1139923B/it

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
    • A24D3/025—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
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
IT25468/81A 1980-12-05 1981-12-04 Filtro perfezionato per sigarette IT1139923B (it)

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 (2)

Publication Number Publication Date
IT8125468A0 true IT8125468A0 (it) 1981-12-04
IT1139923B IT1139923B (it) 1986-09-24

Family

ID=22795148

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25468/81A IT1139923B (it) 1980-12-05 1981-12-04 Filtro perfezionato per sigarette

Country Status (35)

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

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
PT75086B (en) * 1981-07-06 1983-12-23 Cigarette Components Ltd Filter device
US4492238A (en) 1981-09-30 1985-01-08 Philip Morris Incorporated Method and apparatus for production of smoke filter components
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
US4587982A (en) * 1981-12-23 1986-05-13 Imperial Group Plc Tipping assembly for an elongate smoking article
US4499912A (en) * 1981-12-23 1985-02-19 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.
EP0102247B1 (en) * 1982-09-01 1987-10-28 Imperial Tobacco Limited 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
US20100059075A1 (en) * 2008-09-09 2010-03-11 Steve Woodson Ventilated smoking material perforation apparatus and method
US20100059072A1 (en) * 2008-09-09 2010-03-11 Steve Woodson Ventilated smoking material perforation apparatus, method and product
EP3154379B1 (en) * 2014-06-16 2018-07-25 Philip Morris Products S.a.s. 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
AU542172B2 (en) 1985-02-07
HU185156B (en) 1984-12-28
ZA818469B (en) 1982-11-24
FR2495443A1 (fr) 1982-06-11
SU1213971A3 (ru) 1986-02-23
IL64445A0 (en) 1982-03-31
IL64445A (en) 1984-12-31
SE8107233L (sv) 1982-06-06
KE3506A (en) 1985-03-08
AU7829781A (en) 1982-06-10
ES271792Y (es) 1984-04-01
NL8105479A (nl) 1982-07-01
ATA524681A (de) 1984-11-15
AT378110B (de) 1985-06-25
FR2495443B1 (fr) 1986-07-11
NO814156L (no) 1982-06-07
NO152672B (no) 1985-07-29
IT1139923B (it) 1986-09-24
CS239917B2 (en) 1986-01-16
PL129915B1 (en) 1984-06-30
GB2088690B (en) 1984-12-12
PL234125A1 (it) 1982-07-05
SG9085G (en) 1985-08-08
NZ199174A (en) 1984-02-03
AR226492A1 (es) 1982-07-15
JPS57122785A (en) 1982-07-30
KR830006943A (ko) 1983-10-12
HK30385A (en) 1985-04-26
US4338956A (en) 1982-07-13
NO152672C (no) 1985-11-06
ES271792U (es) 1983-10-01
LU83809A1 (fr) 1982-05-07
BR8107898A (pt) 1982-09-08
FI813860L (fi) 1982-06-06
GB2088690A (en) 1982-06-16
GR76333B (it) 1984-08-04
MY8600024A (en) 1986-12-31
BE891332A (fr) 1982-03-31
DK537981A (da) 1982-06-06
YU284881A (en) 1983-10-31
DE3147896A1 (de) 1982-06-24
IN153353B (it) 1984-07-07
CH653866A5 (de) 1986-01-31
CA1167731A (en) 1984-05-22

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