(19)

(11)

EP 1 339 890 A1

(12)

(43) Date of publication: 03.09.2003 Bulletin 2003/36 (21) Application number: 01997570.5 (22) Date of filing: 23.11.2001

(51) International Patent Classification (IPC)7: C22C 38/44, C22C 38/58 (86) International application number: PCT/SE0102/602 (87) International publication number: WO 0204/2510 (30.05.2002 Gazette 2002/22)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 24.11.2000 SE 0004336 (71) Applicant: SANDVIK AKTIEBOLAG 811 81 Sandviken (SE)	(72) Inventors: MATINLASSI, Ulf S-802 69 Gävle (SE) LUNDBERG, Mats S-811 34 Sandviken (SE) ÖHNGREN, Claes S-803 24 Gävle (SE) ODELSTAM, Thomas S-811 32 Sandviken (SE) (74) Representative: Taquist, Lennart  Sandvik AB,Intellectual Property 811 81 Sandviken 811 81 Sandviken (SE)