(19)

(11)

EP 2 521 626 A1

(12)

(43) Date of publication: 14.11.2012 Bulletin 2012/46 (21) Application number: 10706747.2 (22) Date of filing: 05.01.2010

(51) International Patent Classification (IPC):  B21B 23/00(2006.01) (86) International application number: PCT/IB2010/050017 (87) International publication number: WO 2011/083367 (14.07.2011 Gazette 2011/28)

(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 (71) Applicant: SMS Innse S.p.A. 20097 San Donato Milanese (MI) (IT)	(72) Inventors: MARIN, Paolo I-27029 Vigevano (PV) (IT) PALMA, Vincenzo I-20099 Sesto San Giovanni (MI) (IT) ZANELLA, Guido Emilio I-20141 Milan (IT) GRASSINO, Jacopo I-10094 Giaveno (TO) (IT) (74) Representative: Belloni, Giancarlo et al Dragotti & Associati Srl Via Nino Bixio, 7 20129 Milano 20129 Milano (IT)