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(11)

EP 1 735 478 A1

(12)

(43) Date of publication: 27.12.2006 Bulletin 2006/52 (21) Application number: 05728087.7 (22) Date of filing: 22.03.2005

(51) International Patent Classification (IPC):  C22C 38/22(2006.01) C22C 38/44(2006.01) C22C 38/30(2006.01) C22C 38/52(2006.01) (86) International application number: PCT/SE2005/000422 (87) International publication number: WO 2005/093112 (06.10.2005 Gazette 2005/40)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 26.03.2004 SE 0400806 (71) Applicant: Sandvik Intellectual Property AB 811 81 Sandviken (SE)	(72) Inventors: NILSSON, Jonas S-811 33 Sandviken (SE) ROSBERG, Andreas S-803 23 Gävle (SE)