(19)

(11)

EP 2 419 238 A1

(12)

(43) Date of publication: 22.02.2012 Bulletin 2012/08 (21) Application number: 10764145.8 (22) Date of filing: 12.04.2010

(51) International Patent Classification (IPC):  B23K 26/24(2006.01) B23K 26/067(2006.01) B23K 26/06(2006.01) (86) International application number: PCT/FI2010/050291 (87) International publication number: WO 2010/119173 (21.10.2010 Gazette 2010/42)

(84) Designated Contracting States: 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 SE SI SK SM TR (30) Priority: 15.04.2009 FI 20090139 (71) Applicant: Outokumpu Oyj 02200 Espoo (FI)	(72) Inventors: TORVINEN, Terho FI-67100 Kokkola (FI) VÄNSKÄ, Mikko P. FI-80770 Kontiolahti (FI) (74) Representative: Aarnio, Hannu Aatto Aulis  Outokumpu Oyj Legal Affairs and IPR P.O. Box 140 02201 Espoo 02201 Espoo (FI)