FR2524274A1 - Filtre a cigarette - Google Patents

Filtre a cigarette Download PDF

Info

Publication number
FR2524274A1
FR2524274A1 FR8305508A FR8305508A FR2524274A1 FR 2524274 A1 FR2524274 A1 FR 2524274A1 FR 8305508 A FR8305508 A FR 8305508A FR 8305508 A FR8305508 A FR 8305508A FR 2524274 A1 FR2524274 A1 FR 2524274A1
Authority
FR
France
Prior art keywords
filter
tubular body
core
air
smoke
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
FR8305508A
Other languages
English (en)
French (fr)
Other versions
FR2524274B3 (pt
Inventor
David Richard Townsend
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.)
Essentra PLC
Original Assignee
Filtrona PLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10529535&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2524274(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Filtrona PLC filed Critical Filtrona PLC
Publication of FR2524274A1 publication Critical patent/FR2524274A1/fr
Application granted granted Critical
Publication of FR2524274B3 publication Critical patent/FR2524274B3/fr
Granted 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
    • 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
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
FR8305508A 1982-04-05 1983-04-05 Filtre a cigarette Granted FR2524274A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8210074 1982-04-05

Publications (2)

Publication Number Publication Date
FR2524274A1 true FR2524274A1 (fr) 1983-10-07
FR2524274B3 FR2524274B3 (pt) 1985-01-25

Family

ID=10529535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8305508A Granted FR2524274A1 (fr) 1982-04-05 1983-04-05 Filtre a cigarette

Country Status (16)

Country Link
JP (1) JPS58198284A (pt)
KR (1) KR850000939A (pt)
AT (1) AT386508B (pt)
BE (1) BE896352A (pt)
BR (1) BR8301801A (pt)
CH (1) CH656508A5 (pt)
DE (1) DE3311902C3 (pt)
ES (1) ES281061Y (pt)
FR (1) FR2524274A1 (pt)
GB (1) GB2119221B (pt)
HK (1) HK86789A (pt)
IT (1) IT1163227B (pt)
NL (1) NL191750B (pt)
NO (1) NO157803C (pt)
PT (1) PT76468B (pt)
SE (1) SE460882B (pt)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0321740A1 (de) * 1987-12-22 1989-06-28 British-American Tobacco (Germany) GmbH Koaxialcigarette
EP0378788A1 (de) * 1989-01-17 1990-07-25 B.A.T. Cigarettenfabriken GmbH Koaxiale Filtercigarette
EP0474940A1 (en) * 1990-08-24 1992-03-18 Philip Morris Products Inc. Concentric smoking filter having discrete tow and web filter media

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8908535D0 (en) * 1989-04-14 1989-06-01 Tabac Fab Reunies Sa Cigarette and filter thereof
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
GB9122447D0 (en) * 1991-10-23 1991-12-04 Rothmans Int Tobacco Lightweight cigarette filter and cigarettes incorporating such filters
DE19718296B4 (de) * 1997-04-30 2006-06-29 British American Tobacco (Germany) Gmbh Ventilierte Filtercigarette mit einem koaxialen Filterelement
JP2001120249A (ja) * 1999-10-22 2001-05-08 Mitsubishi Rayon Co Ltd たばこフィルター
JP2001120250A (ja) * 1999-10-22 2001-05-08 Mitsubishi Rayon Co Ltd たばこフィルター
GB2380391A (en) 2001-10-03 2003-04-09 Filtrona Int Ltd Cigarette filter containing differently coloured filaments
US8113215B2 (en) 2007-06-21 2012-02-14 Philip Morris Usa Inc. Smoking article filter having liquid additive containing tubes therein
GB201311079D0 (en) 2013-06-21 2013-08-07 British American Tobacco Co A method of fabricating a filter element
GB201608814D0 (en) * 2016-05-19 2016-07-06 British American Tobacco Co Filter rod and apparatus and method for filter rod manufacture
GB201608815D0 (en) * 2016-05-19 2016-07-06 British American Tobacco Co Filter rod and apparatus and method
GB2556331A (en) * 2016-09-14 2018-05-30 British American Tobacco Investments Ltd A container
JP7377209B2 (ja) * 2018-03-08 2023-11-09 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゾル発生物品
CN116473274A (zh) * 2018-10-08 2023-07-25 益升华过滤产品开发私人有限公司 冷却元件

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490461A (en) * 1967-04-20 1970-01-20 Philip Morris Inc Cigarette ventilation
FR1531543A (fr) * 1967-05-22 1968-07-05 Seita Nouvel embout pour produits à fumer
GB1236208A (en) * 1967-09-15 1971-06-23 Molins Machine Co Ltd Improvements in or relating to mouthpieces for cigarettes
US4034765A (en) * 1975-10-30 1977-07-12 Liggett & Myers Incorporated Tobacco smoke filter
CH621051A5 (en) * 1976-12-15 1981-01-15 Cigarette Components Ltd Tobacco smoke filter and manufacturing process for this
JPS5913181B2 (ja) * 1977-04-19 1984-03-28 ダイセル化学工業株式会社 ロツド状繊維充填体の製造方法及び装置
JPS5446900A (en) * 1977-09-20 1979-04-13 Mitsubishi Acetate Co Ltd Cigarette filter
US4291711A (en) * 1979-03-27 1981-09-29 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter
US4362172A (en) * 1980-12-01 1982-12-07 Brown & Williamson Tobacco Corporation Cigarette filter
DE3109422A1 (de) * 1981-03-12 1982-09-30 Henkel KGaA, 4000 Düsseldorf "muffe zum verkleben von rohrenden"
US4637409A (en) * 1981-05-07 1987-01-20 American Filtrona Corporation Tobacco smoke filter and method and apparatus for making same
US4386618A (en) * 1981-06-29 1983-06-07 Brown & Williamson Tobacco Corporation Cigarette filter
AU556902B2 (en) * 1981-12-18 1986-11-27 Cigarette Components Limited Tobacco smoke filter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0321740A1 (de) * 1987-12-22 1989-06-28 British-American Tobacco (Germany) GmbH Koaxialcigarette
EP0378788A1 (de) * 1989-01-17 1990-07-25 B.A.T. Cigarettenfabriken GmbH Koaxiale Filtercigarette
EP0474940A1 (en) * 1990-08-24 1992-03-18 Philip Morris Products Inc. Concentric smoking filter having discrete tow and web filter media
TR25717A (tr) * 1990-08-24 1993-09-01 Philip Morris Productsinc Ayrilmis kitik ve dokuma filtre medyasina sahip konsantrik sigara filtresi

Also Published As

Publication number Publication date
ES281061Y (es) 1985-11-01
JPH0542255B2 (pt) 1993-06-28
KR850000939A (ko) 1985-03-14
SE8301711D0 (sv) 1983-03-28
DE3311902C3 (de) 2002-07-11
DE3311902C2 (de) 1997-04-10
DE3311902A1 (de) 1983-10-13
NL8301145A (nl) 1983-11-01
NL191750B (nl) 1996-03-01
GB8308216D0 (en) 1983-05-05
CH656508A5 (fr) 1986-07-15
NO157803B (no) 1988-02-15
JPS58198284A (ja) 1983-11-18
NO157803C (no) 1988-05-25
ES281061U (es) 1985-04-01
SE460882B (sv) 1989-12-04
IT8320457A0 (it) 1983-04-05
IT1163227B (it) 1987-04-08
AT386508B (de) 1988-09-12
SE8301711L (sv) 1983-10-06
BE896352A (fr) 1983-08-01
GB2119221A (en) 1983-11-16
BR8301801A (pt) 1983-12-20
FR2524274B3 (pt) 1985-01-25
GB2119221B (en) 1986-05-29
ATA119583A (de) 1988-02-15
PT76468B (en) 1986-01-13
NO831155L (no) 1983-10-06
HK86789A (en) 1989-11-10
PT76468A (en) 1983-04-01

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