CA1192468A - Smoke filters - Google Patents

Smoke filters

Info

Publication number
CA1192468A
CA1192468A CA000420747A CA420747A CA1192468A CA 1192468 A CA1192468 A CA 1192468A CA 000420747 A CA000420747 A CA 000420747A CA 420747 A CA420747 A CA 420747A CA 1192468 A CA1192468 A CA 1192468A
Authority
CA
Canada
Prior art keywords
filter plug
filter
ingress
airflow
plug means
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.)
Expired
Application number
CA000420747A
Other languages
English (en)
French (fr)
Inventor
John A. 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
Application granted granted Critical
Publication of CA1192468A publication Critical patent/CA1192468A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04Tobacco smoke filters characterised by their shape or structure
    • A24D3/043Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02Manufacture of tobacco smoke filters
    • A24D3/0275Manufacture of tobacco smoke filters for filters with special features
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02Manufacture of tobacco smoke filters
    • A24D3/0229Filter rod forming processes
    • A24D3/0245Filter rod forming processes by winding, e.g. spirally

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
CA000420747A 1982-02-02 1983-02-02 Smoke filters Expired CA1192468A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8202943 1982-02-02
GB8202943 1982-02-02

Publications (1)

Publication Number Publication Date
CA1192468A true CA1192468A (en) 1985-08-27

Family

ID=10528054

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000420747A Expired CA1192468A (en) 1982-02-02 1983-02-02 Smoke filters

Country Status (39)

Country Link
JP (1) JPS58165780A (tr)
KR (1) KR870001748B1 (tr)
AT (1) AT384151B (tr)
AU (1) AU553753B2 (tr)
BE (1) BE895773A (tr)
BG (1) BG40312A3 (tr)
BR (1) BR8300490A (tr)
CA (1) CA1192468A (tr)
CH (1) CH657755A5 (tr)
CS (1) CS251073B2 (tr)
DE (1) DE3303299A1 (tr)
DK (1) DK158369C (tr)
EG (1) EG16128A (tr)
ES (1) ES278854Y (tr)
FI (1) FI71219C (tr)
FR (1) FR2520594A1 (tr)
GB (1) GB2116824B (tr)
HK (1) HK28786A (tr)
HU (1) HU188249B (tr)
IE (1) IE53810B1 (tr)
IL (1) IL67801A (tr)
IN (1) IN157633B (tr)
IT (1) IT1163071B (tr)
KE (1) KE3597A (tr)
LU (1) LU84618A1 (tr)
MX (1) MX154669A (tr)
MY (1) MY8700718A (tr)
NL (1) NL185601C (tr)
NO (1) NO155323C (tr)
NZ (1) NZ203131A (tr)
PH (1) PH19514A (tr)
PL (1) PL138732B1 (tr)
RO (1) RO87087A (tr)
SE (2) SE8300441L (tr)
SG (1) SG92285G (tr)
TR (1) TR21762A (tr)
YU (1) YU42067B (tr)
ZA (1) ZA83651B (tr)
ZW (1) ZW2383A1 (tr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8415972D0 (en) * 1984-06-22 1984-07-25 British American Tobacco Co Smoking article mouthpiece elements
JPH0588056U (ja) * 1991-12-04 1993-11-26 河村電器産業株式会社 Dtmf信号の増幅回路
CN1748591A (zh) * 2005-11-07 2006-03-22 夏侯晓雷 一种过滤嘴
GB201213786D0 (en) 2012-08-01 2012-09-12 Filtrona Filter Prod Dev Co Tobacco smoke filter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596663A (en) * 1969-05-29 1971-08-03 Lorillard Co P Ventilated smoking article
IL36205A (en) * 1970-02-21 1973-05-31 Cigarette Components Ltd A device for treating tobacco smoke and a method for its production
GB1308661A (en) * 1970-02-21 1973-02-21 Cigarette Components Ltd Device for treating tobacco smoke
GB1508084A (en) * 1976-03-17 1978-04-19 British American Tobacco Co Tobacco-smoke filters
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter
GB2095532B (en) * 1981-03-27 1985-06-19 Filtrona Ltd Ventilated and corrugated smoke filter

Also Published As

Publication number Publication date
AU553753B2 (en) 1986-07-24
AT384151B (de) 1987-10-12
IN157633B (tr) 1986-05-10
DK39083D0 (da) 1983-02-01
IE53810B1 (en) 1989-03-01
GB2116824B (en) 1985-07-24
NL8300377A (nl) 1983-09-01
CH657755A5 (de) 1986-09-30
IE830121L (en) 1983-08-02
RO87087A (ro) 1986-07-30
MY8700718A (en) 1987-12-31
DE3303299A1 (de) 1983-08-11
IT8319393A1 (it) 1984-08-02
NL185601C (nl) 1990-06-01
IT8319393A0 (it) 1983-02-02
NO155323B (no) 1986-12-08
SE8300441D0 (sv) 1983-01-28
IT1163071B (it) 1987-04-08
FI71219C (fi) 1986-12-19
BR8300490A (pt) 1983-11-01
BG40312A3 (en) 1986-11-14
HU188249B (en) 1986-03-28
NZ203131A (en) 1985-07-31
CS251073B2 (en) 1987-06-11
FR2520594B1 (tr) 1985-04-19
PL240394A1 (en) 1983-08-15
PL138732B1 (en) 1986-10-31
GB2116824A (en) 1983-10-05
LU84618A1 (fr) 1983-09-08
DK158369C (da) 1990-10-08
IL67801A0 (en) 1983-05-15
SE8300441L (sv) 1983-08-03
KR870001748B1 (ko) 1987-10-06
YU42067B (en) 1988-04-30
DK39083A (da) 1983-08-03
ZW2383A1 (en) 1983-08-03
EG16128A (en) 1990-10-30
YU23483A (en) 1985-10-31
JPH0236225B2 (tr) 1990-08-16
IL67801A (en) 1985-11-29
SG92285G (en) 1987-09-18
AU1077583A (en) 1983-08-11
PH19514A (en) 1986-05-14
MX154669A (es) 1987-11-16
NO155323C (no) 1987-03-18
FR2520594A1 (fr) 1983-08-05
TR21762A (tr) 1985-06-17
KE3597A (en) 1986-02-07
ZA83651B (en) 1983-10-26
NO830331L (no) 1983-08-03
GB8300838D0 (en) 1983-02-16
BE895773A (fr) 1983-05-30
NL185601B (nl) 1990-01-02
DK158369B (da) 1990-05-14
HK28786A (en) 1986-04-25
ES278854U (es) 1984-08-01
ES278854Y (es) 1985-03-01
KR840003397A (ko) 1984-09-08
FI71219B (fi) 1986-09-09
SE453150B (sv) 1988-01-18
FI830209L (fi) 1983-08-03
CS68383A2 (en) 1985-08-15
ATA20083A (de) 1987-03-15
FI830209A0 (fi) 1983-01-21
JPS58165780A (ja) 1983-09-30

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry