(19)

(11)

EP 2 934 793 A2

(12)

(88) Date of publication A3: 21.08.2014 (43) Date of publication: 28.10.2015 Bulletin 2015/44 (21) Application number: 13819044.2 (22) Date of filing: 23.12.2013

(51) International Patent Classification (IPC):  B22F 9/24(2006.01) C25C 5/02(2006.01) B22F 1/00(2006.01) (86) International application number: PCT/FI2013/051201 (87) International publication number: WO 2014/096556 (26.06.2014 Gazette 2014/26)

(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: 21.12.2012 FI 20126373 21.12.2012 US 201261740532 P (71) Applicants: Inkron Ltd. Hong Kong (CN) Rantala, Juha Hong Kong (CN)	(72) Inventor: RANTALA, Juha Hong Kong (CN) (74) Representative: Seppo Laine Oy  Itämerenkatu 3 B 00180 Helsinki 00180 Helsinki (FI)