EP 3607839 A1 20200212 - SMOKE FILTERING DEVICE
Title (en)
SMOKE FILTERING DEVICE
Title (de)
RAUCHFILTERVORRICHTUNG
Title (fr)
DISPOSITIF DE FILTRAGE DE FUMÉE
Publication
Application
Priority
EP 18187733 A 20180807
Abstract (en)
The present disclosure relates to a smoke filtering device, comprising a body (1), flow channels (2) configured for allowing smoke to flow therethrough being present in the body, and the flow channels filtering the smoke by prolonging duration of the smoke staying in the flow channels. Through a particular flow channel design of the present disclosure, a flow speed of the smoke is increased, a flow state of the smoke is changed, further, a part of harmful substances such as tar are settled and adsorbed.
IPC 8 full level
A24D 3/04 (2006.01)
CPC (source: EP)
A24D 3/04 (2013.01)
Citation (search report)
- [XA] CN 103431518 A 20131211 - SHANGHAI HUABAO BIOLOG TECHNOLOGY CO LTD
- [XY] EP 3305102 A1 20180411 - REEMTSMA CIGARETTENFABRIKEN GMBH [DE]
- [XA] US 2014202479 A1 20140724 - NICHOLLS JANE [GB], et al
- [XY] US 6345625 B1 20020212 - CHEW KAR ENG [MY]
- [Y] US 4393885 A 19830719 - SILBERSTEIN DONALD A
- [Y] EP 3332868 A1 20180613 - JINAN SHENGQUAN GROUP SHARE HOLDING CO LTD [CN]
- [A] US 2017127719 A1 20170511 - CLARKE SHANE [GB], et al
- [A] US 2015122277 A1 20150507 - FROBISHER PAUL [GB], et al
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 18187733 A 20180807