(19)

(11)

EP 1 827 722 A1

(12)

(43) Date of publication: 05.09.2007 Bulletin 2007/36 (21) Application number: 05778464.7 (22) Date of filing: 27.07.2005

(51) International Patent Classification (IPC):  B21B 35/02(2006.01) (86) International application number: PCT/EP2005/008194 (87) International publication number: WO 2006/010616 (02.02.2006 Gazette 2006/05)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 28.07.2004 IT MI20041526 (71) Applicant: Vai Pomini S.r.l. 21053 Castellanza-Varese (IT)	(72) Inventor: MONZIO COMPAGNONI, Bruno I-21057 Olgiate Olona (IT) (74) Representative: Martegani, Franco et al Patent Attorney, Via Carlo Alberto, 41 20052 Monza (Milano) 20052 Monza (Milano) (IT)