EP2914137B1 - A filter for a smoking article - Google Patents

A filter for a smoking article Download PDF

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Publication number
EP2914137B1
EP2914137B1 EP13783656.5A EP13783656A EP2914137B1 EP 2914137 B1 EP2914137 B1 EP 2914137B1 EP 13783656 A EP13783656 A EP 13783656A EP 2914137 B1 EP2914137 B1 EP 2914137B1
Authority
EP
European Patent Office
Prior art keywords
filter
section
filter section
smoking article
axial region
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.)
Revoked
Application number
EP13783656.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2914137A1 (en
Inventor
Lance MUCALO
Nicholas WALPOLE
Matthew Knight
John Richardson
Santiago MORALES
Peter Wan
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47358905&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2914137(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by British American Tobacco Investments Ltd IFI filed Critical British American Tobacco Investments Ltd IFI
Priority to PL13783656T priority Critical patent/PL2914137T3/pl
Publication of EP2914137A1 publication Critical patent/EP2914137A1/en
Application granted granted Critical
Publication of EP2914137B1 publication Critical patent/EP2914137B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • 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
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • 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
    • 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
    • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives

Definitions

  • the invention relates to a filter for a smoking article and to a smoking article including a filter.
  • the filter 4 further comprises a second section 10 at the mouth-end of the filter 4 comprising fibrous filter material 11 formed into a tubular shape and having a channel 12 extending through the centre of the filter material 11.
  • the empty or hollow channel 12 extending through the centre of the filter material 11 can be from 1mm to 6mm in diameter, for instance from 2mm to 5mm in diameter.
  • the channel 12 extending through the centre of the filter material 11 is, in the present example, an empty, hollow passageway.
  • the channel in some embodiments, extends through an axial region of the filter material of the second filter section 10.
  • the axial region of the second filter section 10 is a region, in the present example, centred on the axis 'a' of the smoking article 1, having a radius of about 2.5mm.
  • the capsule 68 is located within a portion of the first filter section 66 closer to the downstream end of the first filter section 66, or to the second filter section 70, than to the upstream end of the first filter section, or to the tobacco rod 62.
  • the distance 'd' between the centre of the capsule 68 and the downstream end of the first filter section 66 is approximately 30% of the total longitudinal length of the first filter section 66.
  • the capsule 68 can be located longitudinally centrally within the first filter section 66 or closer to the upstream end of the first filter section 66 than to the downstream end.
  • FIG 7 is a schematic illustration of a smoking article 121 having a filter not falling under the scope of the present invention.
  • the features of the smoking article 121 are the same as those of the smoking article 1 described with reference to Figure 1 , unless otherwise stated below.
  • the smoking article 121 includes a tobacco rod 122 wrapped in a wrapping material 123, in this example cigarette paper, connected longitudinally to a filter 124 by tipping material 125 overlaying the filter 124 and partially overlaying the wrapping material 123.
  • the filter 124 further comprises a second section 130 at the tobacco rod end of the filter 124 rather than at the mouth end of the filter 124 comprising fibrous filter material 131 formed into a tubular shape and having a channel 132 extending through the centre of the filter material 131, or through an axial region thereof, similar to the second section 10 of the filter 4 of Figure 1 .
  • the tubular filter section is formed from cellulose acetate tow and is wrapped in a second plug wrap 133.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP13783656.5A 2012-10-31 2013-10-29 A filter for a smoking article Revoked EP2914137B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13783656T PL2914137T3 (pl) 2012-10-31 2013-10-29 Filtr dla artykułu do palenia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1219540.0A GB201219540D0 (en) 2012-10-31 2012-10-31 A filter for a smoking article
PCT/GB2013/052813 WO2014068295A1 (en) 2012-10-31 2013-10-29 A filter for a smoking article

Publications (2)

Publication Number Publication Date
EP2914137A1 EP2914137A1 (en) 2015-09-09
EP2914137B1 true EP2914137B1 (en) 2018-12-05

Family

ID=47358905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13783656.5A Revoked EP2914137B1 (en) 2012-10-31 2013-10-29 A filter for a smoking article

Country Status (22)

Country Link
US (3) US20150296878A1 (enExample)
EP (1) EP2914137B1 (enExample)
JP (2) JP2014090720A (enExample)
KR (5) KR102219760B1 (enExample)
CN (2) CN104869854A (enExample)
AR (1) AR093294A1 (enExample)
AU (1) AU2013340588B2 (enExample)
BR (2) BR112015009443B1 (enExample)
CA (2) CA2888967C (enExample)
CL (1) CL2015001125A1 (enExample)
DK (1) DK2914137T3 (enExample)
ES (1) ES2712943T3 (enExample)
GB (1) GB201219540D0 (enExample)
HU (1) HUE041761T2 (enExample)
MX (1) MX2015005386A (enExample)
MY (2) MY178585A (enExample)
PH (1) PH12015500947A1 (enExample)
PL (1) PL2914137T3 (enExample)
RU (2) RU2635971C2 (enExample)
TR (1) TR201903110T4 (enExample)
UA (4) UA115998C2 (enExample)
WO (1) WO2014068295A1 (enExample)

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KR102219760B1 (ko) 2021-02-23
AU2013340588A1 (en) 2015-05-14
US20210045436A1 (en) 2021-02-18
PL2914137T3 (pl) 2019-05-31
CA3116933A1 (en) 2014-05-08
BR122021013385B1 (pt) 2022-02-22
KR102454343B1 (ko) 2022-10-12
KR102273017B1 (ko) 2021-07-02
HK1208601A1 (en) 2016-03-11
CN113439872A (zh) 2021-09-28
CL2015001125A1 (es) 2015-10-02
US20210030057A1 (en) 2021-02-04
CA2888967A1 (en) 2014-05-08
AR093294A1 (es) 2015-05-27
KR102733877B1 (ko) 2024-11-25
ES2712943T3 (es) 2019-05-16
UA115998C2 (uk) 2018-01-25
GB201219540D0 (en) 2012-12-12
UA98841U (en) 2015-05-12
MY178585A (en) 2020-10-16
BR112015009443A2 (pt) 2017-07-04
CA2888967C (en) 2021-06-08
JP3219297U (ja) 2018-12-13
KR20190117816A (ko) 2019-10-16
TR201903110T4 (tr) 2019-03-21
CN104869854A (zh) 2015-08-26
RU2015120461A (ru) 2016-12-20
UA97502U (uk) 2015-03-25
DK2914137T3 (en) 2019-04-01
WO2014068295A1 (en) 2014-05-08
MY204266A (en) 2024-08-20
JP2014090720A (ja) 2014-05-19
US20150296878A1 (en) 2015-10-22
AU2013340588B2 (en) 2016-01-28
MX2015005386A (es) 2015-07-21
RU2635971C2 (ru) 2017-11-17
KR20210082568A (ko) 2021-07-05
KR20210096319A (ko) 2021-08-04
RU143582U1 (ru) 2014-07-27
BR112015009443B1 (pt) 2021-11-16
PH12015500947A1 (en) 2015-07-06
HUE041761T2 (hu) 2019-05-28
KR20200110479A (ko) 2020-09-23
KR20150076216A (ko) 2015-07-06
UA98840U (en) 2015-05-12
EP2914137A1 (en) 2015-09-09

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