(19)

(11)

EP 2 736 660 A2

(12)

(88) Date of publication A3: 21.03.2013 (43) Date of publication: 04.06.2014 Bulletin 2014/23 (21) Application number: 12759203.8 (22) Date of filing: 16.07.2012

(51) International Patent Classification (IPC):  B21B 31/16(2006.01) (86) International application number: PCT/IB2012/053629 (87) International publication number: WO 2013/014572 (31.01.2013 Gazette 2013/05)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 26.07.2011 IT MI20111391 (71) Applicant: SMS Innse S.p.A. 20097 San Donato Milanese (MI) (IT)	(72) Inventors: MARIN, Paolo I-27029 Vigevano (PV) (IT) PACHER, Marcello I-20010 Bareggio (MI) (IT) (74) Representative: Belloni, Giancarlo et al Dragotti & Associati Srl Via Nino Bixio, 7 20129 Milano 20129 Milano (IT)