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EP 4 554 738 A1

(12)

(43) Date of publication: 21.05.2025 Bulletin 2025/21 (21) Application number: 23741717.5 (22) Date of filing: 14.07.2023

(51) International Patent Classification (IPC):  B21B 1/28(2006.01) B21B 27/02(2006.01) B21B 37/38(2006.01) B21B 37/48(2006.01) B21B 27/00(2006.01) B21B 27/03(2006.01) B21B 37/42(2006.01) C21D 8/02(2006.01) (52) Cooperative Patent Classification (CPC): C21D 8/02 (86) International application number: PCT/EP2023/069622 (87) International publication number: WO 2024/013366 (18.01.2024 Gazette 2024/03)

(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: KH MA MD TN (30) Priority: 14.07.2022 EP 22185064 (71) Applicant: Tata Steel IJmuiden B.V. 1951 JZ Velsen-Noord (NL)	(72) Inventors: BAART, Pieter 1970 CA IJMUIDEN (NL) JACOBS, Leonardus, Joannes, Mattheus 1970 CA IJMUIDEN (NL) DRIESSEN, Anton Michiel 1970 CA IJMUIDEN (NL) (74) Representative: Group Intellectual Property Services  c/o Tata Steel Nederland Technology B.V. P.O. Box 10000 - 3G.37 1970 CA IJmuiden 1970 CA IJmuiden (NL)