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(11)

EP 4 401 897 A1

(12)

(43) Date of publication: 24.07.2024 Bulletin 2024/30 (21) Application number: 22789325.2 (22) Date of filing: 14.09.2022

(51) International Patent Classification (IPC):  B21B 1/16(2006.01) B21B 39/16(2006.01) B21B 1/18(2006.01) B21B 27/02(2006.01) (52) Cooperative Patent Classification (CPC): B21B 1/18; B21B 1/163; B21B 39/165; B21B 27/024; B21B 2013/006 (86) International application number: PCT/IT2022/050248 (87) International publication number: WO 2023/042233 (23.03.2023 Gazette 2023/12)

(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: KH MA MD TN (30) Priority: 14.09.2021 IT 202100023606 (71) Applicant: Danieli & C. Officine Meccaniche S.p.A. 33042 Buttrio (IT)	(72) Inventors: FABBRO, Claudio 34127 Trieste (IT) CAPPELLETTI, Roberto 33042 Buttrio (IT) DE GIORGIO, Tiziano 33100 Udine (IT) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine 33100 Udine (IT)