(19)

(11)

EP 2 591 527 A1

(12)

(43) Date of publication: 15.05.2013 Bulletin 2013/20 (21) Application number: 11803193.9 (22) Date of filing: 29.06.2011

(51) International Patent Classification (IPC):  H02G 3/08(2006.01) (86) International application number: PCT/FI2011/050617 (87) International publication number: WO 2012/004453 (12.01.2012 Gazette 2012/02)

(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 (30) Priority: 09.07.2010 FI 20100323 U (71) Applicant: Suomen CNC-Metal OY 83501 Outokumpu (FI)	(72) Inventors: JORMANAINEN, Martti FI-83100 Liperi (FI) KONTKANEN, Antti FI-83500 Outokumpu (FI) (74) Representative: Pitkänen, Hannu Alpo Antero  Patent Agency Pitkänen Oy P.O. Box 1188 70211 Kuopio 70211 Kuopio (FI)