(19)

(11)

EP 1 021 257 A1

(12)

(43) Date of publication: 26.07.2000 Bulletin 2000/30 (21) Application number: 97934493.4 (22) Date of filing: 15.07.1997

(51) International Patent Classification (IPC)7: B21C 37/18, B21C 37/08 (86) International application number: PCT/EP9703/873 (87) International publication number: WO 9903/611 (28.01.1999 Gazette 1999/04)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: CO.FI.TE S.A. 1840 Luxembourg (LU)	(72) Inventor: MOORS, Herman, J., J. B-1348 Louvain-la-Neuve (BE) (74) Representative: Weydert, Robert et al Dennemeyer & Associates S.A.P.O. Box 1502 1015 Luxembourg 1015 Luxembourg (LU)