(19)

(11)

EP 2 929 270 A1

(12)

(43) Date of publication: 14.10.2015 Bulletin 2015/42 (21) Application number: 13786488.0 (22) Date of filing: 06.11.2013

(51) International Patent Classification (IPC):  F28F 1/40(2006.01) (86) International application number: PCT/EP2013/073110 (87) International publication number: WO 2014/086543 (12.06.2014 Gazette 2014/24)

(84) Designated Contracting States: 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 States: BA ME (30) Priority: 07.12.2012 CN 201210523540 (71) Applicant: Luvata Espoo Oy 02101 Espoo (FI)	(72) Inventor: LANG, Yanping Zhongshan Guangdong 528400 (CN) (74) Representative: Eurenius, Karin Lisa Maria et al Bjerkéns Patentbyrå KB P.O. Box 1274 801 37 Gävle 801 37 Gävle (SE)