GB1008092A - Improvements relating to cigarette filters - Google Patents

Improvements relating to cigarette filters

Info

Publication number
GB1008092A
GB1008092A GB2656/64A GB265664A GB1008092A GB 1008092 A GB1008092 A GB 1008092A GB 2656/64 A GB2656/64 A GB 2656/64A GB 265664 A GB265664 A GB 265664A GB 1008092 A GB1008092 A GB 1008092A
Authority
GB
United Kingdom
Prior art keywords
tobacco
smoke
calcium
volume
granular
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
GB2656/64A
Inventor
Sydney James Green
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
Priority to GB2656/64A priority Critical patent/GB1008092A/en
Priority to DE19651532122 priority patent/DE1532122A1/en
Priority to CH66165A priority patent/CH424586A/en
Priority to NL6500757A priority patent/NL6500757A/xx
Publication of GB1008092A publication Critical patent/GB1008092A/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
    • A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
    • 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
    • A24D3/06—Use of materials for tobacco smoke filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

1,008,092. Tobacco-smoke filters. BRITISH-AMERICAN TOBACCO CO. Ltd. Dec. 18, 1964 [Jan. 21, 1964], No. 2656/64. Heading A2C. A tobacco-smoke filter comprises a tablet or disc 1 of compressed granular or powdered filter material provided with one or more perforations 6 through which the smoke to be filtered can pass, the ratio of the volume of voids to the volume of solid material being between 1:4 and 1:1. The perforations preferably have a radius of betwen 0.05 and 1.5 mm. The granular or powdered filter material may be kieselguhr, fullers earth, bauxite, activated alumina, carbon, casein, calcium caseineate, dried milk, calcium sulphate, calcium carbonate, iron oxide, silicates and siliceous earth and clays such as sepiolite. A natural or synthetic binder, e.g. lactose or starch may be mixed with the material.
GB2656/64A 1964-01-21 1964-01-21 Improvements relating to cigarette filters Expired GB1008092A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB2656/64A GB1008092A (en) 1964-01-21 1964-01-21 Improvements relating to cigarette filters
DE19651532122 DE1532122A1 (en) 1964-01-21 1965-01-14 Filters for tobacco smoke
CH66165A CH424586A (en) 1964-01-21 1965-01-18 Filter for tobacco smoke
NL6500757A NL6500757A (en) 1964-01-21 1965-01-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2656/64A GB1008092A (en) 1964-01-21 1964-01-21 Improvements relating to cigarette filters

Publications (1)

Publication Number Publication Date
GB1008092A true GB1008092A (en) 1965-10-27

Family

ID=9743435

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2656/64A Expired GB1008092A (en) 1964-01-21 1964-01-21 Improvements relating to cigarette filters

Country Status (4)

Country Link
CH (1) CH424586A (en)
DE (1) DE1532122A1 (en)
GB (1) GB1008092A (en)
NL (1) NL6500757A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438381A (en) * 1967-02-01 1969-04-15 Edith A Hale Filter for tobacco products
US3496946A (en) * 1968-04-12 1970-02-24 David B Griffith Filter means
US3516419A (en) * 1969-02-27 1970-06-23 John Kalsey Cigarette filter element
US3608563A (en) * 1969-02-06 1971-09-28 John B Schmitz Cigarette filter
CN106418683A (en) * 2016-09-27 2017-02-22 湖北中烟工业有限责任公司 Spice sheet for frozen smoke and preparation method of spice sheet
CN108086043A (en) * 2017-12-28 2018-05-29 安徽宏实光机电高科有限公司 A kind of preparation method of the cigarette filter paper with selective absorption

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492998A (en) * 1969-04-30 1970-02-03 John A Mascaro Filtering arrangement for smoking articles
GB1592549A (en) * 1976-10-06 1981-07-08 British American Tobacco Co Tobacco-smoke filters

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438381A (en) * 1967-02-01 1969-04-15 Edith A Hale Filter for tobacco products
US3496946A (en) * 1968-04-12 1970-02-24 David B Griffith Filter means
US3608563A (en) * 1969-02-06 1971-09-28 John B Schmitz Cigarette filter
US3516419A (en) * 1969-02-27 1970-06-23 John Kalsey Cigarette filter element
CN106418683A (en) * 2016-09-27 2017-02-22 湖北中烟工业有限责任公司 Spice sheet for frozen smoke and preparation method of spice sheet
CN106418683B (en) * 2016-09-27 2019-09-10 湖北中烟工业有限责任公司 A kind of solid tobacco aromaticss piece and preparation method thereof
CN108086043A (en) * 2017-12-28 2018-05-29 安徽宏实光机电高科有限公司 A kind of preparation method of the cigarette filter paper with selective absorption

Also Published As

Publication number Publication date
CH424586A (en) 1966-11-15
DE1532122A1 (en) 1970-05-06
NL6500757A (en) 1965-07-22

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