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WO2017198994A8 - Filter rod and apparatus and method for filter rod manufacture - Google Patents

Filter rod and apparatus and method for filter rod manufacture Download PDF

Info

Publication number
WO2017198994A8
WO2017198994A8 PCT/GB2017/051043 GB2017051043W WO2017198994A8 WO 2017198994 A8 WO2017198994 A8 WO 2017198994A8 GB 2017051043 W GB2017051043 W GB 2017051043W WO 2017198994 A8 WO2017198994 A8 WO 2017198994A8
Authority
WO
WIPO (PCT)
Prior art keywords
filter rod
tubular portion
filter
manufacture
filter material
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.)
Ceased
Application number
PCT/GB2017/051043
Other languages
French (fr)
Other versions
WO2017198994A1 (en
Inventor
Sam WHIFFEN
John Richardson
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 IFI
Original Assignee
British American Tobacco Investments Ltd IFI
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 Investments Ltd IFI filed Critical British American Tobacco Investments Ltd IFI
Publication of WO2017198994A1 publication Critical patent/WO2017198994A1/en
Publication of WO2017198994A8 publication Critical patent/WO2017198994A8/en
Anticipated expiration legal-status Critical
Ceased 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
    • 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
    • A24D3/0229—Filter rod forming processes
    • A24D3/0237—Filter rod forming processes by extrusion
    • 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
    • A24D3/025—Final operations, i.e. after the filter rod forming process
    • A24D3/0258—Means for making grooves

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

A filter rod for use in a tobacco industry product comprising an extruded tubular portion formed from a first filter material and having an outer surface comprising a plurality of continuous grooves extending in an axial direction of the tubular portion and defining a grooved outermost surface of the filter rod, and a continuous extruded core of second filter material provided within the tubular portion. Also provided is an apparatus and method for manufacturing such a filter rod.
PCT/GB2017/051043 2016-05-19 2017-04-13 Filter rod having a corrugated coating and apparatus and method for filter rod manufacture Ceased WO2017198994A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1608814.8 2016-05-19
GBGB1608814.8A GB201608814D0 (en) 2016-05-19 2016-05-19 Filter rod and apparatus and method for filter rod manufacture

Publications (2)

Publication Number Publication Date
WO2017198994A1 WO2017198994A1 (en) 2017-11-23
WO2017198994A8 true WO2017198994A8 (en) 2017-12-28

Family

ID=56369624

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2017/051043 Ceased WO2017198994A1 (en) 2016-05-19 2017-04-13 Filter rod having a corrugated coating and apparatus and method for filter rod manufacture

Country Status (2)

Country Link
GB (1) GB201608814D0 (en)
WO (1) WO2017198994A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800009873A1 (en) * 2018-10-29 2020-04-29 Montrade Spa Mandrel for forming web material in a paper-wrapped cylinder
GB202009509D0 (en) * 2020-02-27 2020-08-05 Essentra Filter Products Dev Copte Ltd A method for making a filter element for mouthpiece
CN111657544A (en) * 2020-07-06 2020-09-15 云南中烟工业有限责任公司 Device for preparing perfuming and gathering material
CN114568740A (en) * 2022-02-14 2022-06-03 云南纯旭生物科技有限公司 Heating non-combustible product material rod forming machine
CN115736344A (en) * 2022-11-29 2023-03-07 云南中烟工业有限责任公司 Hollow bead blasting filter rod and preparation device and method thereof
CN117158623A (en) * 2023-10-24 2023-12-05 云南中烟工业有限责任公司 Extrusion device for preparing aerosol-generating substrate tube by extrusion method
CN117158622A (en) * 2023-10-24 2023-12-05 云南中烟工业有限责任公司 Extrusion device for extruding aerosol-generating substrate strips
CN117256922A (en) * 2023-10-24 2023-12-22 云南中烟工业有限责任公司 Extrusion device with grooves for long strips of aerosol-generating substrate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3579623A (en) * 1968-07-24 1971-05-18 Philip Morris Inc Forming filled continuous plastic rod such as plastic cigarette filter rod filled with a tow of cellulose acetate
GB2119221B (en) * 1982-04-05 1986-05-29 Filtrona Ltd Cigarette filter
DE3345001C2 (en) * 1983-12-13 1986-06-12 H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg Cigarette with a ventilated hollow mouthpiece
GB201115157D0 (en) * 2011-09-02 2011-10-19 British American Tobacco Co Manufacturing grooved smoking rods

Also Published As

Publication number Publication date
GB201608814D0 (en) 2016-07-06
WO2017198994A1 (en) 2017-11-23

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