(19)

(11)

EP 2 064 011 A1

(12)

(43) Date of publication: 03.06.2009 Bulletin 2009/23 (21) Application number: 07789592.8 (22) Date of filing: 25.07.2007

(51) International Patent Classification (IPC):  B21F 45/24(2006.01) (86) International application number: PCT/IB2007/002207 (87) International publication number: WO 2008/012676 (31.01.2008 Gazette 2008/05)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 28.07.2006 IT BO20060573 (71) Applicant: R.A.TEC. S.r.l. 40033 Casalecchio di Reno (IT)	(72) Inventor: RISI, Roberto 40033 Casalecchio di Reno (IT) (74) Representative: Lanzoni, Luciano  Bugnion SpA Via Goito 18 40126 Bologna 40126 Bologna (IT)