(19)

(11)

EP 1 599 612 A1

(12)

(43) Date of publication: 30.11.2005 Bulletin 2005/48 (21) Application number: 04712794.9 (22) Date of filing: 19.02.2004

(51) International Patent Classification (IPC)7: C22C 38/44, C22C 38/52, C22C 38/54 (86) International application number: PCT/SE2004/000223 (87) International publication number: WO 2004/079027 (16.09.2004 Gazette 2004/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 02.03.2003 SE 0300574 (71) Applicant: Sandvik Intellectual Property AB 811 81 Sandviken (SE)	(72) Inventors: SUNDSTRÖM, Ann S-811 36 Sandviken (SE) KANGAS, Pasi S-811 36 Sandviken (SE)