(19)

(11)

EP 1 774 051 A1

(12)

(43) Date of publication: 18.04.2007 Bulletin 2007/16 (21) Application number: 05752540.4 (22) Date of filing: 15.06.2005

(51) International Patent Classification (IPC):  C22C 38/60(2006.01) (86) International application number: PCT/SE2005/000914 (87) International publication number: WO 2006/004486 (12.01.2006 Gazette 2006/02)

(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: 30.06.2004 SE 0401686 (71) Applicant: Sandvik Intellectual Property AB 811 81 Sandviken (SE)	(72) Inventors: SANDSTRÖM, Mattias S-811 33 Sandviken (SE) HEEDMAN, Anna S-811 33 Sandviken (SE) TROGEN, Ylva S-803 11 Gävle (SE)