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WO2014012917A3 - Tobacco smoke filter - Google Patents

Tobacco smoke filter Download PDF

Info

Publication number
WO2014012917A3
WO2014012917A3 PCT/EP2013/064970 EP2013064970W WO2014012917A3 WO 2014012917 A3 WO2014012917 A3 WO 2014012917A3 EP 2013064970 W EP2013064970 W EP 2013064970W WO 2014012917 A3 WO2014012917 A3 WO 2014012917A3
Authority
WO
WIPO (PCT)
Prior art keywords
tobacco smoke
filter
smoke filter
core
wrapper
Prior art date
Application number
PCT/EP2013/064970
Other languages
French (fr)
Other versions
WO2014012917A2 (en
Inventor
Ronald Paul MORRIS
Roy Alingalan
Ahmad Fashihul Lisan
Original Assignee
Essentra Filter Products Development Co. Pte. Ltd
Filtrona Filter Products Uk Limited
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 Essentra Filter Products Development Co. Pte. Ltd, Filtrona Filter Products Uk Limited filed Critical Essentra Filter Products Development Co. Pte. Ltd
Priority to JP2015522069A priority Critical patent/JP6417325B2/en
Priority to CN201380037935.0A priority patent/CN104780792B/en
Priority to EP13741698.8A priority patent/EP2874510A2/en
Publication of WO2014012917A2 publication Critical patent/WO2014012917A2/en
Publication of WO2014012917A3 publication Critical patent/WO2014012917A3/en

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

Landscapes

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

Abstract

The present invention provides a tobacco smoke filter or filter element having a fixed length comprising a wrapper (5) engaged around a downstream core (1) of tobacco smoke filtering material and a further core (2) longitudinally aligned therewith; wherein the further core is reversibly moveable relative to the wrapper along the longitudinal axis of the filter.
PCT/EP2013/064970 2012-07-18 2013-07-16 Tobacco smoke filter WO2014012917A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2015522069A JP6417325B2 (en) 2012-07-18 2013-07-16 Cigarette smoke filter
CN201380037935.0A CN104780792B (en) 2012-07-18 2013-07-16 Tobacco smog filte r
EP13741698.8A EP2874510A2 (en) 2012-07-18 2013-07-16 Tobacco smoke filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1212822.9A GB201212822D0 (en) 2012-07-18 2012-07-18 Tobacco smoke filter
GB1212822.9 2012-07-18

Publications (2)

Publication Number Publication Date
WO2014012917A2 WO2014012917A2 (en) 2014-01-23
WO2014012917A3 true WO2014012917A3 (en) 2014-10-23

Family

ID=46881627

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/064970 WO2014012917A2 (en) 2012-07-18 2013-07-16 Tobacco smoke filter

Country Status (5)

Country Link
EP (1) EP2874510A2 (en)
JP (1) JP6417325B2 (en)
CN (1) CN104780792B (en)
GB (1) GB201212822D0 (en)
WO (1) WO2014012917A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105192885A (en) * 2015-10-21 2015-12-30 云南中烟工业有限责任公司 Telescopic perfuming cigarette filter tip
GB201608931D0 (en) * 2016-05-20 2016-07-06 British American Tobacco Co Article for use in apparatus for heating smokeable material
GB201608928D0 (en) 2016-05-20 2016-07-06 British American Tobacco Co Article for use in apparatus for heating smokable material
AR108921A1 (en) * 2016-06-30 2018-10-10 Philip Morris Products Sa SMOKING ITEM WITH TRANSPARENT WRAPPING
PL4005406T3 (en) 2017-11-30 2024-12-02 Philip Morris Products S.A. Aerosol-generating article having mouthpiece with upstream cavity
KR102472581B1 (en) * 2017-12-26 2022-11-30 니뽄 다바코 산교 가부시키가이샤 Multi-filter segments, smoking articles with multi-filter segments, and inspection methods for multi-filter segments
CN110419773B (en) * 2019-07-24 2022-04-29 广东中烟工业有限责任公司 Filter tip and cigarette of variable air volume

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1400278A (en) * 1972-06-06 1975-07-16 British American Tobacco Co Smoking articles
US4433696A (en) * 1981-10-02 1984-02-28 Philip Morris Incorporated Variable dilution filter
US4638820A (en) * 1986-02-03 1987-01-27 R. J. Reynolds Tobacco Company Puff control cigarette
EP1972213A1 (en) * 2007-03-21 2008-09-24 Philip Morris Products S.A. Multi-component filter providing improved flavour enhancement
WO2010142498A1 (en) * 2009-06-12 2010-12-16 British American Tobacco (Investments) Limited Smoking article

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8413017D0 (en) * 1984-05-22 1984-06-27 Imp Group Plc Tobacco smoke filters
US4716912A (en) * 1986-02-14 1988-01-05 R. J. Reynolds Tobacco Company Filter cigarette having adjustable air dilution
DE10160672A1 (en) * 2001-12-11 2003-06-18 Philip Morris Prod Filters, smoke articles and filter strands containing them, and methods and devices for producing such filters and smoke articles
CN1709169A (en) * 2005-07-07 2005-12-21 全传清 Cigarette with openable-adjustable-closable venthole
DE102009023612A1 (en) * 2009-06-02 2010-12-09 Mahle International Gmbh Cam grinder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1400278A (en) * 1972-06-06 1975-07-16 British American Tobacco Co Smoking articles
US4433696A (en) * 1981-10-02 1984-02-28 Philip Morris Incorporated Variable dilution filter
US4638820A (en) * 1986-02-03 1987-01-27 R. J. Reynolds Tobacco Company Puff control cigarette
EP1972213A1 (en) * 2007-03-21 2008-09-24 Philip Morris Products S.A. Multi-component filter providing improved flavour enhancement
WO2010142498A1 (en) * 2009-06-12 2010-12-16 British American Tobacco (Investments) Limited Smoking article

Also Published As

Publication number Publication date
JP6417325B2 (en) 2018-11-07
CN104780792B (en) 2018-10-02
WO2014012917A2 (en) 2014-01-23
GB201212822D0 (en) 2012-09-05
EP2874510A2 (en) 2015-05-27
CN104780792A (en) 2015-07-15
JP2015522285A (en) 2015-08-06

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