(19)

(11)

EP 2 931 450 A1

(12)

(43) Date of publication: 21.10.2015 Bulletin 2015/43 (21) Application number: 13820979.6 (22) Date of filing: 09.12.2013

(51) International Patent Classification (IPC):  B21C 47/14(2006.01) (86) International application number: PCT/IB2013/060746 (87) International publication number: WO 2014/091390 (19.06.2014 Gazette 2014/25)

(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 Designated Extension States: BA ME (30) Priority: 10.12.2012 IT MI20122100 (71) Applicant: Danieli & C. Officine Meccaniche, S.p.A. 33042 Buttrio (IT)	(72) Inventors: DE LUCA, Andrea I-33047 Remanzacco (IT) ADAMI, Francesco I-33100 Udine (IT) (74) Representative: Cinquantini, Bruno et al Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9 20122 Milano 20122 Milano (IT)