IT8125700A0 - Filtro perfezionato per sigarette. - Google Patents

Filtro perfezionato per sigarette.

Info

Publication number
IT8125700A0
IT8125700A0 IT8125700A IT2570081A IT8125700A0 IT 8125700 A0 IT8125700 A0 IT 8125700A0 IT 8125700 A IT8125700 A IT 8125700A IT 2570081 A IT2570081 A IT 2570081A IT 8125700 A0 IT8125700 A0 IT 8125700A0
Authority
IT
Italy
Prior art keywords
cigarettes
improved filter
filter
improved
Prior art date
Application number
IT8125700A
Other languages
English (en)
Other versions
IT1142147B (it
Inventor
Robert A Sanford
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 IT8125700A0 publication Critical patent/IT8125700A0/it
Application granted granted Critical
Publication of IT1142147B publication Critical patent/IT1142147B/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
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
    • 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
    • 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
IT25700/81A 1980-12-22 1981-12-18 Filtro perfezionato per sigarette IT1142147B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/219,132 US4342322A (en) 1980-12-22 1980-12-22 Cigarette filter

Publications (2)

Publication Number Publication Date
IT8125700A0 true IT8125700A0 (it) 1981-12-18
IT1142147B IT1142147B (it) 1986-10-08

Family

ID=22818011

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25700/81A IT1142147B (it) 1980-12-22 1981-12-18 Filtro perfezionato per sigarette

Country Status (37)

Country Link
US (1) US4342322A (it)
JP (1) JPS57132872A (it)
KR (1) KR830006944A (it)
AR (1) AR228292A1 (it)
AT (1) AT378111B (it)
AU (1) AU541599B2 (it)
BE (1) BE891558A (it)
BR (1) BR8108207A (it)
CA (1) CA1166923A (it)
CH (1) CH654725A5 (it)
CS (1) CS239918B2 (it)
DE (1) DE3150078A1 (it)
DK (1) DK161654C (it)
EG (1) EG15183A (it)
ES (1) ES8303058A1 (it)
FI (1) FI71469C (it)
FR (1) FR2496415A1 (it)
GB (1) GB2089641B (it)
GR (1) GR77630B (it)
HK (1) HK30485A (it)
HU (1) HU185160B (it)
IE (1) IE52305B1 (it)
IL (1) IL64671A (it)
IN (1) IN154486B (it)
IT (1) IT1142147B (it)
KE (1) KE3507A (it)
LU (1) LU83832A1 (it)
MY (1) MY8600023A (it)
NL (1) NL8105751A (it)
NO (1) NO152234C (it)
PH (1) PH18874A (it)
PL (1) PL129988B1 (it)
SE (1) SE450748B (it)
SG (1) SG8885G (it)
YU (1) YU305081A (it)
ZA (1) ZA818720B (it)
ZW (1) ZW30381A1 (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4406294A (en) * 1982-02-16 1983-09-27 Brown & Williamson Tobacco Corporation Cigarette filter
GB8308020D0 (en) * 1982-03-31 1983-04-27 Filtrona Ltd Tobacco smoke filter
US4438776A (en) * 1982-06-24 1984-03-27 Brown & Williamson Tobacco Corporation Cigarette filter
JPS5963179A (ja) * 1982-10-01 1984-04-10 三菱アセテート株式会社 タバコ用吸口
US4646762A (en) * 1983-12-05 1987-03-03 Brown & Williamson Tobacco Corporation Cigarette having a mouthpiece
US4580584A (en) * 1984-02-21 1986-04-08 Brown & Williamson Tobacco Corporation Cigarette filter
US4611607A (en) * 1984-02-21 1986-09-16 Brown & Williamson Tobacco Corporation Cigarette filter
US4643206A (en) * 1984-02-21 1987-02-17 Brown & Williamson Tobacco Corporation Cigarette filter
EP0167863B1 (de) * 1984-06-20 1988-01-07 H.F. & Ph.F. Reemtsma GmbH & Co Variabel ventilierbare Filterzigarette
US4582072A (en) * 1984-06-25 1986-04-15 Brown & Williamson Tobacco Corporation Cigarette filter
GB8709173D0 (en) * 1987-04-16 1987-05-20 Cigarette Components Ltd Ventilated cigarette filter
GB8713904D0 (en) * 1987-06-15 1987-07-22 Tabac Fab Reunies Sa Filter for smoking articles
US5195543A (en) * 1991-10-28 1993-03-23 American Filtrona Corporation Balanced flow tobacco smoke filter
US5392792A (en) * 1993-04-13 1995-02-28 R. J. Reynolds Tobacco Company Reduced gas phase cigarette
US6345625B1 (en) 1997-12-06 2002-02-12 Kar Eng Chew Filter for secondary smoke and smoking articles incorporating the same
DK1321050T3 (da) * 2001-12-18 2007-02-12 Bat Cigarettenfab Gmbh Filter til en rygbar artikel
GB0809865D0 (en) 2008-05-30 2008-07-09 British American Tobacco Co Filter for a smoking article
GB0821803D0 (en) 2008-12-01 2009-01-07 British American Tobacco Co Smoking article filter

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1814375U (de) * 1960-04-09 1960-06-30 Helmut Holle Filtermundstueck fuer zigaretten.
US3270750A (en) * 1960-09-16 1966-09-06 Robert A Campbell Adjustable-filter cigarette
US3389705A (en) * 1966-04-29 1968-06-25 Levavi David Cigarette smoke filter device
US3490461A (en) * 1967-04-20 1970-01-20 Philip Morris Inc Cigarette ventilation
NL173352C (nl) * 1971-02-01 Imp Tobacco Group Ltd Werkwijze voor de vervaardiging van een filter voor tabaksrook.
GB1323947A (en) * 1971-05-24 1973-07-18 British American Tobacco Co Tobacco-smoke filters
US3752165A (en) * 1971-12-20 1973-08-14 G Harllee Smoke filter plug and process and cigarette made therefrom
DE2302677A1 (de) * 1972-04-12 1973-10-18 Eastman Kodak Co Tabakrauchfilterelement und verfahren zu seiner herstellung
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
US4022221A (en) * 1975-10-31 1977-05-10 American Filtrona Corporation Tobacco smoke filter
US4109666A (en) * 1976-03-01 1978-08-29 Liggett Group Inc. Cigarette filter
GB1527705A (en) * 1976-03-01 1978-10-11 Liggett & Myers Inc Cigarette filter
GB1585862A (en) * 1976-11-19 1981-03-11 British American Tobacco Co Tobacco-smoke filters
CH621051A5 (en) * 1976-12-15 1981-01-15 Cigarette Components Ltd Tobacco smoke filter and manufacturing process for this
NL7712441A (nl) * 1977-11-11 1979-05-15 Laurens Sigaretten Sigarettefilter en filtersigaret.
AU4119078A (en) * 1977-11-18 1980-05-08 Philip Morris Inc Filter system
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter

Also Published As

Publication number Publication date
DK568081A (da) 1982-06-23
MY8600023A (en) 1986-12-31
PL129988B1 (en) 1984-06-30
AU7923782A (en) 1982-07-01
IL64671A (en) 1985-08-30
KR830006944A (ko) 1983-10-12
FI71469B (fi) 1986-10-10
AT378111B (de) 1985-06-25
IE812894L (en) 1982-06-22
GB2089641B (en) 1984-12-12
GR77630B (it) 1984-09-25
AU541599B2 (en) 1985-01-10
NO152234B (no) 1985-05-20
BR8108207A (pt) 1982-10-05
FI71469C (fi) 1987-01-19
ES508279A0 (es) 1983-02-01
IE52305B1 (en) 1987-09-02
FR2496415A1 (fr) 1982-06-25
PH18874A (en) 1985-10-21
IN154486B (it) 1984-11-03
LU83832A1 (fr) 1982-05-07
AR228292A1 (es) 1983-02-15
DE3150078A1 (de) 1982-07-22
BE891558A (fr) 1982-04-16
IT1142147B (it) 1986-10-08
YU305081A (en) 1983-10-31
SE450748B (sv) 1987-07-27
FI814116L (fi) 1982-06-23
GB2089641A (en) 1982-06-30
ZA818720B (en) 1982-11-24
HK30485A (en) 1985-04-26
ATA538181A (de) 1984-11-15
JPS57132872A (en) 1982-08-17
NL8105751A (nl) 1982-07-16
KE3507A (en) 1985-03-08
DE3150078C2 (it) 1988-03-03
FR2496415B1 (it) 1984-04-20
CS239918B2 (en) 1986-01-16
EG15183A (en) 1986-03-31
ES8303058A1 (es) 1983-02-01
ZW30381A1 (en) 1982-06-16
CA1166923A (en) 1984-05-08
SE8107626L (sv) 1982-06-23
SG8885G (en) 1985-08-08
CH654725A5 (de) 1986-03-14
US4342322A (en) 1982-08-03
DK161654C (da) 1992-01-27
NO152234C (no) 1985-08-28
HU185160B (en) 1984-12-28
PL234729A1 (it) 1982-08-16
DK161654B (da) 1991-08-05
JPH048031B2 (it) 1992-02-13
NO814377L (no) 1982-06-23

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971129