[go: up one dir, main page]

CA2049573A1 - Filtre a profil de retention de goudron uniforme - Google Patents

Filtre a profil de retention de goudron uniforme

Info

Publication number
CA2049573A1
CA2049573A1 CA2049573A CA2049573A CA2049573A1 CA 2049573 A1 CA2049573 A1 CA 2049573A1 CA 2049573 A CA2049573 A CA 2049573A CA 2049573 A CA2049573 A CA 2049573A CA 2049573 A1 CA2049573 A1 CA 2049573A1
Authority
CA
Canada
Prior art keywords
flow path
delivery profile
cylinder
tar delivery
cigarette
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2049573A
Other languages
English (en)
Other versions
CA2049573C (fr
Inventor
Warren Arthur Brackmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rothmans Benson and Hedges Inc
Original Assignee
Individual
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
Priority claimed from GB898904752A external-priority patent/GB8904752D0/en
Priority claimed from GB898909660A external-priority patent/GB8909660D0/en
Application filed by Individual filed Critical Individual
Publication of CA2049573A1 publication Critical patent/CA2049573A1/fr
Application granted granted Critical
Publication of CA2049573C publication Critical patent/CA2049573C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Fats And Perfumes (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
CA002049573A 1989-03-02 1990-03-01 Filtre a profil de retention de goudron uniforme Expired - Fee Related CA2049573C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8904752.6 1989-03-02
GB898904752A GB8904752D0 (en) 1989-03-02 1989-03-02 Uniform tar delivery profile filter
GB8909660.6 1989-04-27
GB898909660A GB8909660D0 (en) 1989-04-27 1989-04-27 Uniform tar delivery profile filter-11

Publications (2)

Publication Number Publication Date
CA2049573A1 true CA2049573A1 (fr) 1991-09-02
CA2049573C CA2049573C (fr) 1997-01-14

Family

ID=26295035

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002049573A Expired - Fee Related CA2049573C (fr) 1989-03-02 1990-03-01 Filtre a profil de retention de goudron uniforme

Country Status (6)

Country Link
EP (1) EP0461162B1 (fr)
JP (1) JP2701974B2 (fr)
AU (1) AU629320B2 (fr)
CA (1) CA2049573C (fr)
DE (1) DE69031032T2 (fr)
WO (1) WO1990009741A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8823902D0 (en) * 1988-10-12 1988-11-16 Rothmans Int Tobacco Cigarette filter rod elements & cigarettes incorporating such filter rod elements
US5365951A (en) * 1990-08-24 1994-11-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
GB9117118D0 (en) * 1991-08-08 1991-09-25 Rothmans Benson & Hedges Control of cigarette smoke chemistry
AU699329B2 (en) * 1991-08-08 1998-12-03 Rothmans International Services Limited Control of cigarette smoke chemistry
GB9122935D0 (en) * 1991-10-30 1991-12-18 Rothmans Benson & Hedges Novel cigarette system
TR28750A (tr) * 1992-12-18 1997-02-28 Rothmans Benson & Hedges Münferit sigaralarin, kismen icilmesi, söndürülmesi ve ondan sonra tekrar icilmesine, müsaade eden yeni bir sigara strüktürü.
TR26626A (tr) * 1992-12-18 1995-03-15 Rothmans Benson And Hedges Inc Yeni cok icimli sigara sistemi.
GB9307710D0 (en) * 1993-04-14 1993-06-02 Rothmans Benson & Hedges Smoking apparatus-l
DE4322967C1 (de) * 1993-07-09 1994-10-13 Rhodia Ag Rhone Poulenc Filtertow aus Celluloseacetat, dessen Herstellung und Verwendung als Tabakrauchfilterelement
US7987856B2 (en) * 2005-12-29 2011-08-02 Philip Morris Usa Inc. Smoking article with bypass channel
GB0713905D0 (en) 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1097748A (en) * 1965-05-27 1968-01-03 Monsanto Co Cigarette filter
US3502087A (en) * 1968-07-05 1970-03-24 Ernest J Romano Cigarette 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 Corp Method of making tobacco smoke filters
GB1360611A (en) * 1971-06-30 1974-07-17 Molins Ltd Cigarette filters
DE3624661A1 (de) * 1986-07-22 1988-02-04 Rhodia Ag Ventilierte zigarette
DK499289A (da) * 1988-10-12 1990-04-13 Rothmans Int Tobacco Stangelementer til cigaretfiltre og cigaretter udstyret med saadanne stangelementer
GB8823902D0 (en) * 1988-10-12 1988-11-16 Rothmans Int Tobacco Cigarette filter rod elements & cigarettes incorporating such filter rod elements

Also Published As

Publication number Publication date
EP0461162B1 (fr) 1997-07-09
AU629320B2 (en) 1992-10-01
JP2701974B2 (ja) 1998-01-21
WO1990009741A1 (fr) 1990-09-07
EP0461162A1 (fr) 1991-12-18
JPH04503753A (ja) 1992-07-09
DE69031032D1 (de) 1997-08-14
CA2049573C (fr) 1997-01-14
AU5268990A (en) 1990-09-26
DE69031032T2 (de) 1998-01-29

Similar Documents

Publication Publication Date Title
CA2049573A1 (fr) Filtre a profil de retention de goudron uniforme
EP0453299B1 (fr) Filtre pour cigarette
EP0310257B1 (fr) Tiges de filtre à cigarette et cigarette avec une telle tige de filtre
GB1520583A (en) Filter cigarettes
FI56310C (fi) Filterelement
AU648034B2 (en) Particulate sorbent smoke filter
KR100262359B1 (en) Improvements relating to smoking articles
RU2005111984A (ru) Фильтр для курильщиков
US5826592A (en) Control of cigarette smoke chemistry
HK59483A (en) Improvements relating to smoke filtration
GB2166937A (en) Tobacco smoke filters
RU95113414A (ru) Сигареты с фильтром
AU579771B2 (en) Ventilated cigarette
WO2004026052A9 (fr) Filtre supplementaire pour cigarettes
CA1142051A (fr) Filtration de la fumee de tabac
RU2044508C1 (ru) Фильтр для сигарет
US5509429A (en) Uniform tar delivery profile filter
US3327715A (en) Tobacco smoke filter
CA1100010A (fr) Traduction non-disponible
IL25839A (en) Cigarette filter
CN1142339A (zh) 超滤复合烟嘴棒
CN2244306Y (zh) 超滤复合烟嘴棒
JPS5934352B2 (ja) タバコフイルタ−
GB2042319A (en) Tobacco smoke filtering unit
ES264343U (es) Boquilla filtro desechable perfeccionada.

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed