(19)

(11)

EP 1 753 558 A2

(12)

(88) Date of publication A3: 04.01.2007 (43) Date of publication: 21.02.2007 Bulletin 2007/08 (21) Application number: 05719016.7 (22) Date of filing: 25.02.2005

(51) International Patent Classification (IPC):  B21C 47/12(2006.01) (86) International application number: PCT/IT2005/000106 (87) International publication number: WO 2005/087402 (22.09.2005 Gazette 2005/38)

(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 MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR LV MK YU (30) Priority: 12.03.2004 IT UD20040048 (71) Applicant: S.I.M.A.C. S.P.A. 33017 Tarcento (IT)	(72) Inventor: CASTELLANI, Federico I-33017 Tarcento (UD) (IT) (74) Representative: D'Agostini, Giovanni  D'AGOSTINI ORGANIZZAZIONE SRL, Via G. Giusti 17 33100 Udine 33100 Udine (IT)