ZA912914B - Cigarette smoke filter - Google Patents

Cigarette smoke filter

Info

Publication number
ZA912914B
ZA912914B ZA912914A ZA912914A ZA912914B ZA 912914 B ZA912914 B ZA 912914B ZA 912914 A ZA912914 A ZA 912914A ZA 912914 A ZA912914 A ZA 912914A ZA 912914 B ZA912914 B ZA 912914B
Authority
ZA
South Africa
Prior art keywords
cigarette smoke
smoke filter
filter
cigarette
smoke
Prior art date
Application number
ZA912914A
Other languages
English (en)
Inventor
Warren A Brackmann
A Brackmann Warren
Tow Pin Liew
Pin Liew Tow
Original Assignee
Rothmans Benson & Hedges
Rothmans International Ltd
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 Rothmans Benson & Hedges, Rothmans International Ltd filed Critical Rothmans Benson & Hedges
Publication of ZA912914B publication Critical patent/ZA912914B/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
    • A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
ZA912914A 1990-04-20 1991-04-18 Cigarette smoke filter ZA912914B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909008887A GB9008887D0 (en) 1990-04-20 1990-04-20 Cigarette smoke filter

Publications (1)

Publication Number Publication Date
ZA912914B true ZA912914B (en) 1992-03-25

Family

ID=10674714

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA912914A ZA912914B (en) 1990-04-20 1991-04-18 Cigarette smoke filter

Country Status (8)

Country Link
US (1) US5190061A (xx)
EP (1) EP0453299B1 (xx)
JP (1) JP3090729B2 (xx)
AU (1) AU642236B2 (xx)
CA (1) CA2040635C (xx)
DE (1) DE69124819T2 (xx)
GB (1) GB9008887D0 (xx)
ZA (1) ZA912914B (xx)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509429A (en) * 1989-03-02 1996-04-23 Kothmans, Benson & Hedges Inc. Uniform tar delivery profile filter
GB9117118D0 (en) * 1991-08-08 1991-09-25 Rothmans Benson & Hedges Control of cigarette smoke chemistry
US5826592A (en) * 1991-08-08 1998-10-27 Rothmans, Benson & Hedges Inc. Et Al. Control of cigarette smoke chemistry
GB9226940D0 (en) * 1992-12-24 1993-02-17 Rothmans Int Tobacco Cigarette filter rod elements and cigarettes incorporating such filter rod elements
GB9307710D0 (en) * 1993-04-14 1993-06-02 Rothmans Benson & Hedges Smoking apparatus-l
AU6974794A (en) * 1994-06-17 1996-01-15 Rothmans International Services Limited Cigarette filter rod elements and cigarettes incorporating such filter rod elements
GB9712815D0 (en) * 1997-06-19 1997-08-20 British American Tobacco Co Smoking article and smoking material therefor
US7074170B2 (en) * 2002-03-29 2006-07-11 Philip Morris Usa Inc. Method and apparatus for making cigarette filters with a centrally located flavored element
US7987856B2 (en) * 2005-12-29 2011-08-02 Philip Morris Usa Inc. Smoking article with bypass channel
US8240315B2 (en) * 2005-12-29 2012-08-14 Philip Morris Usa Inc. Smoking article with improved delivery profile
AU2007231147B2 (en) 2006-03-28 2013-05-23 Philip Morris Products S.A. Smoking article with a restrictor
US8353298B2 (en) * 2006-07-12 2013-01-15 Philip Morris Usa Inc. Smoking article with impaction filter segment
US8424539B2 (en) * 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
US8235056B2 (en) * 2006-12-29 2012-08-07 Philip Morris Usa Inc. Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system
TW200911138A (en) * 2007-03-09 2009-03-16 Philip Morris Prod Smoking articles with restrictor and aerosol former
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
US20080216850A1 (en) * 2007-03-09 2008-09-11 Philip Morris Usa Inc. Restrictor attachment for unfiltered smoking article
EP2110031A1 (en) 2008-04-18 2009-10-21 Philip Morris Products S.A. Filter making apparatus
MY152786A (en) * 2008-06-02 2014-11-28 Philip Morris Products Sa Smoking article with transparent section
US8122894B2 (en) * 2008-06-18 2012-02-28 Penny K Kilpatrick Cigarette and cigar container and disposal receptacle
US8424540B2 (en) * 2009-10-09 2013-04-23 Philip Morris Usa Inc. Smoking article with valved restrictor
AR080556A1 (es) 2009-10-09 2012-04-18 Philip Morris Prod Diseno de filtro para mejorar el perfil sensorial de articulos para fumar con boquilla de filtro de carbono
US20110083687A1 (en) * 2009-10-09 2011-04-14 Philip Morris Usa Inc. Cigarette filter to reduce smoke deliveries in later puffs
US8905037B2 (en) * 2009-10-15 2014-12-09 Philip Morris Inc. Enhanced subjective activated carbon cigarette
TW201204272A (en) 2010-03-26 2012-02-01 Philip Morris Prod Smoking articles with significantly reduced gas vapor phase smoking constituents
TWI724317B (zh) 2012-06-29 2021-04-11 日商精良股份有限公司 耳機及立體聲耳機
GB201219540D0 (en) 2012-10-31 2012-12-12 British American Tobacco Co A filter for a smoking article
GB201407056D0 (en) * 2014-04-22 2014-06-04 Essentra Filter Products Dev Co Pte Ltd Smoking article
JP6551919B2 (ja) 2014-08-20 2019-07-31 株式会社ファインウェル 見守りシステム、見守り検知装置および見守り通報装置
KR101973486B1 (ko) 2014-12-18 2019-04-29 파인웰 씨오., 엘티디 전자형 진동 유닛을 사용한 연골 전도 청취 장치 및 전자형 진동 유닛
JP2020053948A (ja) 2018-09-28 2020-04-02 株式会社ファインウェル 聴取装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685523A (en) * 1969-06-27 1972-08-22 Molins Machine Co Ltd Tobacco smoke filter
US3621851A (en) * 1969-11-26 1971-11-23 Kata Mfg & Filtering Co Filter for smoker's article
US3854384A (en) * 1971-05-24 1974-12-17 Brown & Williamson Tobacco Method of making tobacco smoke filters
GB1381800A (en) * 1972-04-26 1975-01-29 Rothmans Of Pall Mall Filter for tobacco smoke
US4022222A (en) * 1975-11-06 1977-05-10 American Filtrona Corporation Tobacco smoke filter
GB8823902D0 (en) * 1988-10-12 1988-11-16 Rothmans Int Tobacco Cigarette filter rod elements & cigarettes incorporating such filter rod elements
EP0443227A1 (en) * 1990-02-19 1991-08-28 Ito Corporation Analytical microsyringe

Also Published As

Publication number Publication date
US5190061A (en) 1993-03-02
GB9008887D0 (en) 1990-06-20
EP0453299B1 (en) 1997-03-05
AU642236B2 (en) 1993-10-14
EP0453299A1 (en) 1991-10-23
DE69124819D1 (de) 1997-04-10
CA2040635A1 (en) 1991-10-21
DE69124819T2 (de) 1997-09-18
JPH07289229A (ja) 1995-11-07
AU7508191A (en) 1991-10-24
CA2040635C (en) 1997-03-18
JP3090729B2 (ja) 2000-09-25

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