IT8620491A1 - Sigaretta - Google Patents

Sigaretta

Info

Publication number
IT8620491A1
IT8620491A1 IT1986A20491A IT2049186A IT8620491A1 IT 8620491 A1 IT8620491 A1 IT 8620491A1 IT 1986A20491 A IT1986A20491 A IT 1986A20491A IT 2049186 A IT2049186 A IT 2049186A IT 8620491 A1 IT8620491 A1 IT 8620491A1
Authority
IT
Italy
Prior art keywords
cigarette
Prior art date
Application number
IT1986A20491A
Other languages
English (en)
Other versions
IT1189533B (it
IT8620491A0 (it
Original Assignee
Tobacco Res And Development Institute Limited
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 Tobacco Res And Development Institute Limited filed Critical Tobacco Res And Development Institute Limited
Publication of IT8620491A0 publication Critical patent/IT8620491A0/it
Publication of IT8620491A1 publication Critical patent/IT8620491A1/it
Application granted granted Critical
Publication of IT1189533B publication Critical patent/IT1189533B/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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter
IT20491/86A 1985-05-20 1986-05-20 Sigaretta IT1189533B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA853788 1985-05-20

Publications (3)

Publication Number Publication Date
IT8620491A0 IT8620491A0 (it) 1986-05-20
IT8620491A1 true IT8620491A1 (it) 1987-11-20
IT1189533B IT1189533B (it) 1988-02-04

Family

ID=25577913

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20491/86A IT1189533B (it) 1985-05-20 1986-05-20 Sigaretta

Country Status (11)

Country Link
US (1) US4702263A (it)
AU (1) AU587459B2 (it)
BE (1) BE904794A (it)
CA (1) CA1256775A (it)
CH (1) CH665756A5 (it)
DE (1) DE3616617A1 (it)
FR (1) FR2581843B1 (it)
GB (1) GB2175190B (it)
IE (1) IE57362B1 (it)
IT (1) IT1189533B (it)
NL (1) NL191233C (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1000454A4 (nl) * 1987-04-09 1988-12-13 Tabacofina Nv Mondstuk voor sigaretten en dergelijke.
US4949736A (en) * 1988-03-16 1990-08-21 R. J. Reynolds Tobacco Company Variable ventilation mouthpiece for a smoking article
EP0724391B1 (en) * 1993-10-23 1999-05-06 Imperial Tobacco Limited Improvements in or relating to smoking articles
DE69718852T2 (de) 1996-07-08 2003-10-30 Sony Corp Verfahren zur Herstellung eines Polymerelektrolyten
US6345625B1 (en) 1997-12-06 2002-02-12 Kar Eng Chew Filter for secondary smoke and smoking articles incorporating the same
CA2271432A1 (en) * 1999-05-11 2000-11-11 Han Jo Lee Filter cigarettes with air chambers
CN101442917B (zh) 2006-03-28 2012-08-01 菲利普莫里斯生产公司 具有限流件的发烟制品
US8353298B2 (en) 2006-07-12 2013-01-15 Philip Morris Usa Inc. Smoking article with impaction filter segment
US20080047571A1 (en) * 2006-07-12 2008-02-28 Philip Morris Usa Inc. Smoking article with plate impactor
US8424539B2 (en) 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
US20090014020A1 (en) * 2007-03-09 2009-01-15 Philip Morris Usa Inc. Smoking article with valve
TW200911141A (en) 2007-03-09 2009-03-16 Philip Morris Prod Super recessed filter cigarette restrictor
TW200900014A (en) 2007-03-09 2009-01-01 Philip Morris Prod Smoking article filter with annular restrictor and downstream ventilation
TW200911138A (en) 2007-03-09 2009-03-16 Philip Morris Prod Smoking articles with restrictor and aerosol former
EP2253231A1 (en) * 2009-05-18 2010-11-24 Philip Morris Products S.A. Smoking article with improved flow restriction element
CN101658328B (zh) * 2009-07-13 2011-01-19 王永明 装有多重过滤器的过滤嘴香烟
US8424540B2 (en) * 2009-10-09 2013-04-23 Philip Morris Usa Inc. Smoking article with valved restrictor
TW201204272A (en) 2010-03-26 2012-02-01 Philip Morris Prod Smoking articles with significantly reduced gas vapor phase smoking constituents
EP3178333B1 (en) * 2014-08-07 2021-05-05 Japan Tobacco, Inc. Cigarette with filter
CN104188104B (zh) * 2014-08-28 2017-04-19 上海烟草集团有限责任公司 利用烟气流速变化实现高过滤的滤嘴结构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441028A (en) * 1967-03-27 1969-04-29 Byron T Wall Apparatus for and method of removing condensible compounds from tobacco smoke
US3695274A (en) * 1970-11-30 1972-10-03 Brown & Williamson Tobacco Piston type cigarette filter
DE2130862A1 (de) * 1971-06-22 1972-12-28 Fritz Keller Zigarettenspitze oder dergleichen Inhalationsmundstueck
NL7902870A (nl) * 1978-04-28 1979-10-30 Douwe Egberts Tabaksfab Mondstuk voor filtersigaret.
US4433696A (en) * 1981-10-02 1984-02-28 Philip Morris Incorporated Variable dilution filter
DE3461887D1 (en) * 1983-02-15 1987-02-12 Battelle Memorial Institute Cigarette
US4559955A (en) * 1983-06-20 1985-12-24 Link Electronics Ltd Controlled air bleed cigarette holder
US4620553A (en) * 1984-05-22 1986-11-04 Imperial Group Public Limited Company Tobacco smoke filters

Also Published As

Publication number Publication date
DE3616617A1 (de) 1986-11-20
NL191233C (nl) 1995-04-03
IT1189533B (it) 1988-02-04
DE3616617C2 (it) 1990-12-06
US4702263A (en) 1987-10-27
IT8620491A0 (it) 1986-05-20
GB2175190A (en) 1986-11-26
BE904794A (fr) 1986-09-15
AU587459B2 (en) 1989-08-17
CA1256775A (en) 1989-07-04
IE57362B1 (en) 1992-08-12
FR2581843B1 (fr) 1990-09-14
AU5765786A (en) 1986-11-27
CH665756A5 (de) 1988-06-15
NL8601247A (nl) 1986-12-16
GB2175190B (en) 1988-07-27
NL191233B (nl) 1994-11-01
FR2581843A1 (fr) 1986-11-21
GB8612230D0 (en) 1986-06-25
IE861326L (en) 1986-11-20

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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: 19950527