(19)

(11)

EP 1 472 383 A2

(12)

(88) Date of publication A3: 08.04.2004 (43) Date of publication: 03.11.2004 Bulletin 2004/45 (21) Application number: 02792137.8 (22) Date of filing: 11.12.2002

(51) International Patent Classification (IPC)7: C22C 38/42 (86) International application number: PCT/SE2002/002300 (87) International publication number: WO 2003/056053 (10.07.2003 Gazette 2003/28)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 11.12.2001 SE 0104192 (71) Applicant: Sandvik AB 811 81 Sandviken (SE)	(72) Inventors: ZETTERHOLM, Gustaf S-811 32 Sandviken (SE) HOLMBERG, Hakan S-802 69 Gävle (SE) (74) Representative: Taquist, Lennart  Sandvik AB,Intellectual Property 811 81 Sandviken 811 81 Sandviken (SE)