(19)

(11)

EP 2 015 880 A1

(12)

(43) Date of publication: 21.01.2009 Bulletin 2009/04 (21) Application number: 07730585.2 (22) Date of filing: 03.05.2007

(51) International Patent Classification (IPC):  B22D 25/04(2006.01) B22D 5/02(2006.01) (86) International application number: PCT/FI2007/000116 (87) International publication number: WO 2007/128861 (15.11.2007 Gazette 2007/46)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 04.05.2006 FI 20060429 (71) Applicant: Outotec Oyj 02200 Espoo (FI)	(72) Inventor: LUMPPIO, Juha FI-02710 Espoo (FI) (74) Representative: Zipse Habersack Kritzenberger  Patentanwälte Wotanstraße 64 80639 München 80639 München (DE)