(19)

(11)

EP 1 740 732 A1

(12)

(43) Date of publication: 10.01.2007 Bulletin 2007/02 (21) Application number: 05732168.9 (22) Date of filing: 13.04.2005

(51) International Patent Classification (IPC):  C22C 38/06(2006.01) C22C 38/18(2006.01) (86) International application number: PCT/SE2005/000523 (87) International publication number: WO 2005/100628 (27.10.2005 Gazette 2005/43)

(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: 16.04.2004 SE 0401046 (71) Applicant: Sandvik Intellectual Property AB 811 81 Sandviken (SE)	(72) Inventors: ROSEBERG, Andreas S-811 60 Sandviken (SE) GÖRANSSON, Kenneth S-802 52 Gävle (SE) WITT, Eva S-811 62 Sandviken (SE)