(19)

(11)

EP 0 689 490 A1

(12)

(43) Date of publication: 03.01.1996 Bulletin 1996/01 (21) Application number: 94910628.0 (22) Date of filing: 15.03.1994

(51) International Patent Classification (IPC):  B23C 5/ 10( . ) (86) International application number: PCT/SE1994/000221 (87) International publication number: WO 1994/021412 (29.09.1994 Gazette 1994/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IE IT LI LU NL PT SE (30) Priority: 17.03.1993 SE 19930000875 (71) Applicant: SANDVIK AKTIEBOLAG S-811 81 Sandviken 1 (SE)	(72) Inventor: LUNDBLAD, Mikael S-805 95 Gävle (SE)