IT8125376A0 - Filtro perfezionato per sigarette. - Google Patents

Filtro perfezionato per sigarette.

Info

Publication number
IT8125376A0
IT8125376A0 IT8125376A IT2537681A IT8125376A0 IT 8125376 A0 IT8125376 A0 IT 8125376A0 IT 8125376 A IT8125376 A IT 8125376A IT 2537681 A IT2537681 A IT 2537681A IT 8125376 A0 IT8125376 A0 IT 8125376A0
Authority
IT
Italy
Prior art keywords
cigarettes
improved filter
filter
improved
Prior art date
Application number
IT8125376A
Other languages
English (en)
Other versions
IT1139884B (it
Inventor
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 IT8125376A0 publication Critical patent/IT8125376A0/it
Application granted granted Critical
Publication of IT1139884B publication Critical patent/IT1139884B/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
    • 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
IT25376/81A 1980-12-01 1981-12-01 Filtro perfezionato per sigarette IT1139884B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/211,491 US4362172A (en) 1980-12-01 1980-12-01 Cigarette filter

Publications (2)

Publication Number Publication Date
IT8125376A0 true IT8125376A0 (it) 1981-12-01
IT1139884B IT1139884B (it) 1986-09-24

Family

ID=22787131

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25376/81A IT1139884B (it) 1980-12-01 1981-12-01 Filtro perfezionato per sigarette

Country Status (32)

Country Link
US (1) US4362172A (it)
JP (1) JPS57122784A (it)
KR (1) KR830006942A (it)
AR (1) AR226393A1 (it)
AT (1) AT381214B (it)
AU (1) AU541595B2 (it)
BE (1) BE891267A (it)
BG (1) BG38784A3 (it)
BR (1) BR8107794A (it)
CA (1) CA1166922A (it)
CH (1) CH646587A5 (it)
CS (1) CS225149B2 (it)
DE (1) DE3147531A1 (it)
DK (1) DK152327C (it)
EG (1) EG17158A (it)
ES (1) ES271789Y (it)
FI (1) FI813843L (it)
FR (1) FR2494968B1 (it)
GB (1) GB2088193B (it)
HU (1) HU183713B (it)
IL (1) IL64443A (it)
IN (1) IN155466B (it)
IT (1) IT1139884B (it)
LU (1) LU83797A1 (it)
NL (1) NL8105422A (it)
NO (1) NO153243C (it)
NZ (1) NZ199096A (it)
SE (1) SE450329B (it)
SU (1) SU1205747A3 (it)
YU (1) YU280081A (it)
ZA (1) ZA818318B (it)
ZW (1) ZW29181A1 (it)

Families Citing this family (16)

* 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
DE3105456C2 (de) * 1981-02-14 1985-08-14 Fabriques de Tabac Réunies S.A., Neuchâtel Verfahren zum Herstellen eines stabförmigen, rauchbaren Artikels und Vorrichtung zur Ausübung dieses Verfahrens
US4587982A (en) * 1981-12-23 1986-05-13 Imperial Group Plc Tipping assembly for an elongate smoking article
GB2119221B (en) * 1982-04-05 1986-05-29 Filtrona Ltd Cigarette filter
NL8301520A (nl) * 1983-04-29 1984-11-16 Turmac Tobacco Co Nv Werkwijze en installatie voor het vervaardigen van een sigarettenfilter.
GB2175187B (en) * 1985-04-22 1989-02-01 Cigarette Components Ltd Ventilated tobacco smoke filter
GB8531660D0 (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
DE69217438T2 (de) * 1991-03-11 1997-05-28 Japan Tobacco Inc Ventilierte Filterzigarette
ATE454828T1 (de) * 1998-11-09 2010-01-15 Japan Tobacco Inc Filterzigarette
AT408501B (de) 2000-02-14 2001-12-27 Trierenberg Holding Ag Filterzigarette
EP1993389B1 (en) * 2006-03-10 2010-04-28 British American Tobacco (Investments) Limited Smoking article filter
GB0715172D0 (en) 2007-08-03 2007-09-12 British American Tobacco Co Filter and method for making a filter for a cigarette
GB2455733A (en) * 2007-12-19 2009-06-24 British American Tobacco Co Filter for a smoking article
GB0809865D0 (en) * 2008-05-30 2008-07-09 British American Tobacco Co Filter for a smoking article
CN102273728B (zh) * 2010-06-13 2013-11-06 宁田 阻燃防火卷烟

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB864247A (en) * 1958-04-16 1961-03-29 Olin Mathieson Improvements in or relating to cigarettes
US3490461A (en) * 1967-04-20 1970-01-20 Philip Morris Inc Cigarette ventilation
US3579623A (en) * 1968-07-24 1971-05-18 Philip Morris Inc Forming filled continuous plastic rod such as plastic cigarette filter rod filled with a tow of cellulose acetate
US3607512A (en) * 1969-01-03 1971-09-21 Philip Morris Inc Extruding tow filled mouthpiece rod having serrated inner surfaces clenching the tow
US3577996A (en) * 1969-06-30 1971-05-11 Reynolds Tobacco Co R Tobacco smoke filter
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
US4362172A (en) 1982-12-07
AU541595B2 (en) 1985-01-10
NO153243B (no) 1985-11-04
SE450329B (sv) 1987-06-22
JPH0431664B2 (it) 1992-05-27
EG17158A (en) 1991-06-30
GB2088193A (en) 1982-06-09
AT381214B (de) 1986-09-10
SU1205747A3 (ru) 1986-01-15
SE8107056L (sv) 1982-06-02
FI813843L (fi) 1982-06-02
CS225149B2 (en) 1984-02-13
HU183713B (en) 1984-05-28
NZ199096A (en) 1985-01-31
ZA818318B (en) 1982-11-24
ES271789Y (es) 1984-04-01
FR2494968B1 (fr) 1985-07-12
GB2088193B (en) 1985-06-05
CA1166922A (en) 1984-05-08
JPS57122784A (en) 1982-07-30
AR226393A1 (es) 1982-06-30
AU7799781A (en) 1982-06-10
CH646587A5 (fr) 1984-12-14
DE3147531A1 (de) 1982-07-08
NO153243C (no) 1986-02-12
DK152327B (da) 1988-02-22
DE3147531C2 (it) 1987-05-21
BR8107794A (pt) 1982-08-31
IT1139884B (it) 1986-09-24
YU280081A (en) 1983-10-31
FR2494968A1 (fr) 1982-06-04
BE891267A (fr) 1982-03-16
IL64443A0 (en) 1982-03-31
KR830006942A (ko) 1983-10-12
DK152327C (da) 1988-08-01
DK530481A (da) 1982-06-02
ATA512481A (de) 1986-02-15
ES271789U (es) 1983-10-01
NO814078L (no) 1982-06-02
NL8105422A (nl) 1982-07-01
ZW29181A1 (en) 1982-02-24
BG38784A3 (en) 1986-02-28
LU83797A1 (fr) 1982-05-07
IL64443A (en) 1986-10-31
IN155466B (it) 1985-02-02

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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