(19)

(11)

EP 0 876 227 A1

(12)

(43) Date of publication: 11.11.1998 Bulletin 1998/46 (21) Application number: 97900997.0 (22) Date of filing: 10.01.1997

(51) International Patent Classification (IPC):  B21B 37/ 16( . ) B21B 1/ 04( . ) B21B 37/ 52( . ) (86) International application number: PCT/EP1997/000098 (87) International publication number: WO 1997/027012 (31.07.1997 Gazette 1997/33)

(84) Designated Contracting States: AT BE DE FR SE (30) Priority: 23.01.1996 EP 19960100923 (71) Applicant: SIEMENS AKTIENGESELLSCHAFT 80333 München (DE)	(72) Inventors: BOUCHILLON, Milton-Scott Alpharetta, GA 30202 (US) WOHLD, Dietrich D-91462 Rauschenberg (DE)