(19)

(11)

EP 0 669 859 A1

(12)

(43) Date of publication: 06.09.1995 Bulletin 1995/36 (21) Application number: 94925437.0 (22) Date of filing: 06.08.1994

(51) International Patent Classification (IPC):  B21D 43/ 00( . ) B21F 27/ 10( . ) B21F 23/ 00( . ) (86) International application number: PCT/EP1994/002617 (87) International publication number: WO 1995/006531 (09.03.1995 Gazette 1995/11)

(84) Designated Contracting States: AT CH DE LI (30) Priority: 30.08.1993 IT UD930000 (71) Applicants: Bernardinis, Claudio I-33010 Treppo Grande (IT) Zebelloni, Carino I-33030 Buia (IT)	(72) Inventors: Bernardinis, Claudio I-33010 Treppo Grande (IT) Zebelloni, Carino I-33030 Buia (IT) (74) Representative: Cragnolini, Sergio  Viale Venezia 277 I-33100 Udine I-33100 Udine (IT)