(19)

(11)

EP 2 346 627 A2

(12)

(88) Date of publication A3: 28.10.2010 (43) Date of publication: 27.07.2011 Bulletin 2011/30 (21) Application number: 09825831.2 (22) Date of filing: 09.11.2009

(51) International Patent Classification (IPC):  B21D 5/01(2006.01) B21D 19/08(2006.01) (86) International application number: PCT/IB2009/054973 (87) International publication number: WO 2010/055459 (20.05.2010 Gazette 2010/20)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 11.11.2008 IT MI20081994 (71) Applicant: SMS INNSE S.p.A 20097 San Donato Milanese (MI) (IT)	(72) Inventors: ROSSI, Antonino I-20064 Gorgonzola (MI) (IT) MARIN, Paolo I-27029 Vigevano (MI) (IT) (74) Representative: Belloni, Giancarlo et al Dragotti & Associati Via Marina, 6 20121 Milano 20121 Milano (IT)