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EP 4 770 811 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24786170.1 (22) Date of filing: 22.08.2024

(51) International Patent Classification (IPC):  B21B 1/46(2006.01) B21B 45/00(2006.01) B21B 43/00(2006.01) B21B 1/34(2006.01) B21B 39/12(2006.01) C21D 8/02(2026.01) (52) Cooperative Patent Classification (CPC): B21B 1/466; B21B 45/004; B21B 2015/0014; B21B 39/12; C21D 8/0226; C21D 8/0294; B21B 1/34 (86) International application number: PCT/IT2024/050173 (87) International publication number: WO 2025/046637 (06.03.2025 Gazette 2025/10)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 01.09.2023 IT 202300018036 (71) Applicant: DANIELI & C. OFFICINE MECCANICHE S.P.A. 33042 Buttrio (UD) (IT)	(72) Inventors: BULFONE, Matteo Remy 33042 BUTTRIO (UD) (IT) FRANZIL, Giacomo 33042 BUTTRIO (UD) (IT) BOBIG, Paolo 33042 BUTTRIO (UD) (IT) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine Viale Europa Unita, 171 33100 Udine (IT)