(19)

(11)

EP 3 374 531 A1

(12)

(43) Date of publication: 19.09.2018 Bulletin 2018/38 (21) Application number: 16820328.9 (22) Date of filing: 11.11.2016

(51) International Patent Classification (IPC):  C22B 1/00(2006.01) C22B 1/11(2006.01) C22B 1/02(2006.01) (86) International application number: PCT/IB2016/056794 (87) International publication number: WO 2017/081646 (18.05.2017 Gazette 2017/20)

(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 Designated Validation States: MA MD (30) Priority: 13.11.2015 IT UB20157263 (71) Applicant: Danieli & C. Officine Meccaniche S.p.A. 33042 Buttrio (IT)	(72) Inventors: TOMMASI, Luca 34077 Ronchi dei Legionari (IT) ARSENE, Florina Liliana 33042 Buttrio (IT) (74) Representative: Petraz, Davide Luigi et al GLP S.r.l Viale Europa Unita, 171 33100 Udine 33100 Udine (IT)