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(11)

EP 2 804 705 A1

(12)

(43) Date of publication: 26.11.2014 Bulletin 2014/48 (21) Application number: 13710020.2 (22) Date of filing: 18.01.2013

(51) International Patent Classification (IPC):  B21C 23/21(2006.01) B21C 35/04(2006.01) (86) International application number: PCT/IB2013/050474 (87) International publication number: WO 2013/108222 (25.07.2013 Gazette 2013/30)

(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: 19.01.2012 IT MI20120053 (71) Applicant: Danieli & C. Officine Meccaniche SpA 33041 Buttrio (IT)	(72) Inventors: FRATERNALE, Paolo I-20900 Monza (IT) NALETTO, Ennio I-25080 Prevalle (IT) (74) Representative: Cinquantini, Bruno et al Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9 20122 Milano 20122 Milano (IT)