AU450226B2 - An improved filter for a cigarette - Google Patents

An improved filter for a cigarette

Info

Publication number
AU450226B2
AU450226B2 AU35939/71A AU3593971A AU450226B2 AU 450226 B2 AU450226 B2 AU 450226B2 AU 35939/71 A AU35939/71 A AU 35939/71A AU 3593971 A AU3593971 A AU 3593971A AU 450226 B2 AU450226 B2 AU 450226B2
Authority
AU
Australia
Prior art keywords
cigarette
improved filter
filter
improved
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
AU35939/71A
Other languages
English (en)
Other versions
AU3593971A (en
Inventor
Wade Summers Thomas
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.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co 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 British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Publication of AU3593971A publication Critical patent/AU3593971A/en
Application granted granted Critical
Publication of AU450226B2 publication Critical patent/AU450226B2/en
Expired 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
    • A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter
AU35939/71A 1970-11-30 1971-11-19 An improved filter for a cigarette Expired AU450226B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9356070A 1970-11-30 1970-11-30
USUS93,560 1970-11-30

Publications (2)

Publication Number Publication Date
AU3593971A AU3593971A (en) 1973-05-24
AU450226B2 true AU450226B2 (en) 1974-07-04

Family

ID=22239610

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35939/71A Expired AU450226B2 (en) 1970-11-30 1971-11-19 An improved filter for a cigarette

Country Status (9)

Country Link
US (1) US3695274A (fr)
AU (1) AU450226B2 (fr)
BE (1) BE776025A (fr)
BR (1) BR7107540D0 (fr)
CA (1) CA947604A (fr)
CH (1) CH545601A (fr)
GB (1) GB1330936A (fr)
NL (1) NL154926B (fr)
ZA (1) ZA717384B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU587459B2 (en) * 1985-05-20 1989-08-17 Tobacco Research And Development Institute Limited Cigarettes
AU644690B2 (en) * 1990-10-26 1993-12-16 Rothmans International Services Limited Smoking article

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32221E (en) * 1981-10-02 1986-08-12 Variable dilution filter
US4433696A (en) 1981-10-02 1984-02-28 Philip Morris Incorporated Variable dilution filter
JPS59501443A (ja) * 1982-07-23 1984-08-16 フィリップ・モーリス・プロダクツ・インコーポレイテッド シガレツトおよびその製造法
DE3374164D1 (en) * 1982-09-01 1987-12-03 Imp Tobacco Co Ltd Tipping assembly for an elongate smoking article
US4570649A (en) * 1982-09-30 1986-02-18 Philip Morris Incorporated Filter cigarette
US4527573A (en) * 1982-11-05 1985-07-09 Philip Morris Incorporated Filter cigarette
US4649944A (en) * 1982-09-30 1987-03-17 Philip Morris Incorporated Filter cigarette
US4526183A (en) * 1982-09-30 1985-07-02 Philip Morris Incorporated Filter cigarette
US4532943A (en) * 1982-09-30 1985-08-06 Philip Morris Incorporated Adjustable filter cigarette
US4559955A (en) * 1983-06-20 1985-12-24 Link Electronics Ltd Controlled air bleed cigarette holder
GB2158689B (en) * 1984-05-19 1987-11-18 British American Tobacco Co Improvements relating to smoking articles
US4620553A (en) * 1984-05-22 1986-11-04 Imperial Group Public Limited Company Tobacco smoke filters
US4649945A (en) * 1985-12-05 1987-03-17 R. J. Reynolds Tobacco Company Adjustable air dilution cigarette exhibiting controlled pressure drop
US4649941A (en) * 1985-12-16 1987-03-17 R. J. Reynolds Tobacco Company Adjustable air dilution cigarette exhibiting controlled pressure drop
US4638820A (en) * 1986-02-03 1987-01-27 R. J. Reynolds Tobacco Company Puff control cigarette
BE1000454A4 (nl) * 1987-04-09 1988-12-13 Tabacofina Nv Mondstuk voor sigaretten en dergelijke.
US4949736A (en) * 1988-03-16 1990-08-21 R. J. Reynolds Tobacco Company Variable ventilation mouthpiece for a smoking article
US4898190A (en) * 1989-03-01 1990-02-06 R. J. Reynolds Tabacco Company Adjustable air dilution cigarette with pressure drop compensation
CN1109304A (zh) * 1994-11-09 1995-10-04 宁宝纲 一种卷烟复合滤嘴
RU2125822C1 (ru) * 1998-06-15 1999-02-10 Погосян Сейран Амаякович Курительное изделие
RU2138974C1 (ru) 1999-03-12 1999-10-10 Погосян Сейран Амаякович Курительное изделие
US6318376B1 (en) * 1999-12-07 2001-11-20 Chih-Wen Cheng Filter tip structure for cigarette
GB201310599D0 (en) 2013-06-13 2013-07-31 Filtrona Filter Prod Dev Co Tabacco smoke filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2145733A (en) * 1938-02-01 1939-01-31 Palumbo Peter Filter and ejector for cigarette and cigar holders
US2764513A (en) * 1954-04-02 1956-09-25 Abe R Brothers Cigarette with means for removing deleterious products of combustion
US3335733A (en) * 1965-03-15 1967-08-15 John M Brooks Smoke filter
US3512537A (en) * 1968-11-27 1970-05-19 U S Remedy Corp Adjustable aerated cigarette

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU587459B2 (en) * 1985-05-20 1989-08-17 Tobacco Research And Development Institute Limited Cigarettes
AU644690B2 (en) * 1990-10-26 1993-12-16 Rothmans International Services Limited Smoking article

Also Published As

Publication number Publication date
NL154926B (nl) 1977-11-15
NL7115951A (fr) 1972-06-01
GB1330936A (en) 1973-09-19
DE2156043A1 (de) 1972-05-31
CH545601A (fr) 1974-02-15
ZA717384B (en) 1972-07-26
US3695274A (en) 1972-10-03
CA947604A (en) 1974-05-21
DE2156043B2 (de) 1976-05-20
BR7107540D0 (pt) 1973-02-22
AU3593971A (en) 1973-05-24
BE776025A (fr) 1972-05-30

Similar Documents

Publication Publication Date Title
AU450226B2 (en) An improved filter for a cigarette
CA946701A (en) Filtering means for cigarette smoke
CA889660A (en) Cigarette making machine
AU461218B2 (en) Improved filter cigarette
CA889661A (en) Cigarette making machine
CA929437A (en) Cigarette
EG10134A (en) Cigarettes filter
CA943030A (en) Machine for making cigarette filters
CA951989A (en) Device for manufacturing cigarette filter tubes
CA965162A (en) Method for adjusting a mechanical filter
CA946700A (en) Filter for cigarettes
CA976828A (en) Cigarette filter
CA954001A (en) Cigarette filter feed
CA832255A (en) Filter cigarettes
CA836872A (en) Cigarette filters
CA858316A (en) Aerosol filter
AU2268470A (en) Filter for cigarettes
CA842554A (en) Cigarette filter plugs
CA901424A (en) Cigarette filter
CA886336A (en) Filters for cigarettes
CA888518A (en) Filtration device for cigarettes
CA849860A (en) Filter for tobacco product
CA855995A (en) Cigarette making
CA835131A (en) Filter element for smoking devices
CA895658A (en) Cigarette filters