EP 3178333 A4 20180214 - CIGARETTE WITH FILTER
Title (en)
CIGARETTE WITH FILTER
Title (de)
ZIGARETTE MIT FILTER
Title (fr)
CIGARETTE À FILTRE
Publication
Application
Priority
JP 2014070879 W 20140807
Abstract (en)
[origin: EP3178333A1] There is provided a technique of making tar contamination on a mouthpiece end surface less noticeable, and preventing insufficient hardness of a filter, in a filter cigarette. The filter cigarette includes: a tobacco rod containing cut tobacco; and a filter connected to an end of the tobacco rod via chip paper, wherein the filter includes a mouthpiece end section placed at a mouthpiece end and having a fiber bundle formed into a cylindrical shape and a first smoke channel longitudinally extending through the fiber bundle, and a front section connected to a front end of the mouthpiece end section and having a fiber bundle formed into a cylindrical shape and a second smoke channel longitudinally extending through the fiber bundle, and a sectional area of the first smoke channel is larger than a sectional area of the second smoke channel.
IPC 8 full level
A24D 3/04 (2006.01)
CPC (source: EP KR RU US)
A24C 5/47 (2013.01 - KR); A24D 1/045 (2013.01 - KR); A24D 3/04 (2013.01 - EP RU US); A24D 3/043 (2013.01 - EP RU US); A24D 3/063 (2013.01 - KR)
Citation (search report)
- [XI] US 4580584 A 19860408 - REYNOLDS MARTIN L [US], et al
- [X] EP 0579410 A1 19940119 - BRITISH AMERICAN TOBACCO CO [GB]
- [XAI] GB 2012554 A 19790801 - PHILIP MORRIS INC
- [XA] GB 2135865 A 19840912 - FILTRONA LTD
- [XA] FR 2497636 A1 19820716 - CIGARETTE COMPONENTS LTD [GB]
- [XA] BE 893753 A 19830105 - CIGARETTE COMPONENTS LTD
- [A] US 2011083687 A1 20110414 - OLEGARIO RAQUEL [US], et al
- [A] US 4380241 A 19830419 - HORSEWELL HENRY G [GB]
- See references of WO 2016021021A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3178333 A1 20170614; EP 3178333 A4 20180214; EP 3178333 B1 20210505; CN 106572698 A 20170419; CN 106572698 B 20200904; JP 6218948 B2 20171025; JP WO2016021021 A1 20170427; KR 102121894 B1 20200611; KR 20170041797 A 20170417; KR 20190104635 A 20190910; RU 2663381 C1 20180803; TW 201605360 A 20160216; TW I576054 B 20170401; WO 2016021021 A1 20160211
DOCDB simple family (application)
EP 14899311 A 20140807; CN 201480081029 A 20140807; JP 2014070879 W 20140807; JP 2016539753 A 20140807; KR 20177006000 A 20140807; KR 20197025461 A 20140807; RU 2017107206 A 20140807; TW 104103842 A 20150205