FR2520596A1 - Filtres a fumee de tabac - Google Patents

Filtres a fumee de tabac Download PDF

Info

Publication number
FR2520596A1
FR2520596A1 FR8301612A FR8301612A FR2520596A1 FR 2520596 A1 FR2520596 A1 FR 2520596A1 FR 8301612 A FR8301612 A FR 8301612A FR 8301612 A FR8301612 A FR 8301612A FR 2520596 A1 FR2520596 A1 FR 2520596A1
Authority
FR
France
Prior art keywords
groove
filter
buffer
filter according
pad
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
FR8301612A
Other languages
English (en)
French (fr)
Other versions
FR2520596B1 (fi
Inventor
John Anthony Luke
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.)
Brown and Williamson Holdings Inc
Original Assignee
Brown and Williamson Tobacco Corp
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 and Williamson Tobacco Corp filed Critical Brown and Williamson Tobacco Corp
Publication of FR2520596A1 publication Critical patent/FR2520596A1/fr
Application granted granted Critical
Publication of FR2520596B1 publication Critical patent/FR2520596B1/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

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
FR8301612A 1982-02-02 1983-02-02 Filtres a fumee de tabac Granted FR2520596A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8202944 1982-02-02

Publications (2)

Publication Number Publication Date
FR2520596A1 true FR2520596A1 (fr) 1983-08-05
FR2520596B1 FR2520596B1 (fi) 1985-03-22

Family

ID=10528055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8301612A Granted FR2520596A1 (fr) 1982-02-02 1983-02-02 Filtres a fumee de tabac

Country Status (31)

Country Link
JP (1) JPS58165781A (fi)
KR (1) KR840003398A (fi)
AU (1) AU551826B2 (fi)
BE (1) BE895774A (fi)
BR (1) BR8300491A (fi)
DE (1) DE3303300A1 (fi)
DK (1) DK39183A (fi)
ES (1) ES278855Y (fi)
FI (1) FI830210L (fi)
FR (1) FR2520596A1 (fi)
GB (1) GB2115678B (fi)
HK (1) HK28586A (fi)
HU (1) HU188419B (fi)
IL (1) IL67732A (fi)
IN (1) IN157857B (fi)
IT (1) IT1163072B (fi)
KE (1) KE3599A (fi)
LU (1) LU84619A1 (fi)
MY (1) MY8700717A (fi)
NL (1) NL8300378A (fi)
NO (1) NO830332L (fi)
NZ (1) NZ203132A (fi)
PH (1) PH19162A (fi)
PL (1) PL137239B1 (fi)
RO (1) RO87086A (fi)
SE (1) SE8300442L (fi)
SG (1) SG92385G (fi)
TR (1) TR21446A (fi)
YU (1) YU23583A (fi)
ZA (1) ZA83653B (fi)
ZW (1) ZW2283A1 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8530362D0 (en) * 1985-12-10 1986-01-22 Gallaher Ltd Filter device
GB8531659D0 (en) * 1985-12-23 1986-02-05 British American Tobacco Co Smoking articles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2109761A5 (fi) * 1970-10-05 1972-05-26 Eastman Kodak Co
FR2453610A1 (fr) * 1979-04-11 1980-11-07 British American Tobacco Co Filtre de cigarette
US4273141A (en) * 1977-03-14 1981-06-16 Jan Van Tilburg Smoke filters

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174719A (en) * 1977-06-29 1979-11-20 Olin Corporation Microperforated filter tip cigarette

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2109761A5 (fi) * 1970-10-05 1972-05-26 Eastman Kodak Co
US4273141A (en) * 1977-03-14 1981-06-16 Jan Van Tilburg Smoke filters
FR2453610A1 (fr) * 1979-04-11 1980-11-07 British American Tobacco Co Filtre de cigarette

Also Published As

Publication number Publication date
PL137239B1 (en) 1986-05-31
NO830332L (no) 1983-08-03
SE8300442D0 (sv) 1983-01-28
GB2115678A (en) 1983-09-14
RO87086A (ro) 1986-07-30
SE8300442L (sv) 1983-08-03
HU188419B (en) 1986-04-28
DK39183A (da) 1983-08-03
IT1163072B (it) 1987-04-08
GB2115678B (en) 1985-08-14
NZ203132A (en) 1985-03-20
FI830210L (fi) 1983-08-03
JPS58165781A (ja) 1983-09-30
YU23583A (en) 1985-10-31
ES278855Y (es) 1985-11-16
PL240393A1 (en) 1983-08-15
KE3599A (en) 1986-02-07
ZA83653B (en) 1983-10-26
AU551826B2 (en) 1986-05-15
IL67732A (en) 1987-07-31
GB8300839D0 (en) 1983-02-16
AU1077683A (en) 1983-08-11
FR2520596B1 (fi) 1985-03-22
IL67732A0 (en) 1983-05-15
BE895774A (fr) 1983-05-30
JPS6126351B2 (fi) 1986-06-20
TR21446A (tr) 1984-07-01
HK28586A (en) 1986-04-25
IT8319394A0 (it) 1983-02-02
NL8300378A (nl) 1983-09-01
DK39183D0 (da) 1983-02-01
ZW2283A1 (en) 1983-08-03
LU84619A1 (fr) 1983-09-08
IT8319394A1 (it) 1984-08-02
DE3303300A1 (de) 1983-08-11
BR8300491A (pt) 1983-11-01
FI830210A0 (fi) 1983-01-21
SG92385G (en) 1987-09-18
MY8700717A (en) 1987-12-31
ES278855U (es) 1985-04-16
KR840003398A (ko) 1984-09-08
PH19162A (en) 1986-01-16
IN157857B (fi) 1986-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse