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EP 2 834 021 A1

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(43) Date of publication: 11.02.2015 Bulletin 2015/07 (21) Application number: 13718804.1 (22) Date of filing: 29.03.2013

(51) International Patent Classification (IPC):  B21B 35/14(2006.01) F16C 3/03(2006.01) (86) International application number: PCT/EP2013/056822 (87) International publication number: WO 2013/149969 (10.10.2013 Gazette 2013/41)

(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: 03.04.2012 IT MI20120544 (71) Applicant: Danieli & C. Officine Meccaniche, S.p.A. 33042 Buttrio (IT)	(72) Inventors: CERNUSCHI, Ettore I-28053 Castelletto Sopra Ticino (IT) BERTELLI, Aristide Giacomo I-20091 Bresso (IT) (74) Representative: Cinquantini, Bruno et al Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9 20122 Milano 20122 Milano (IT)