(19)

(11)

EP 4 824 937 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24772426.3 (22) Date of filing: 26.08.2024

(51) International Patent Classification (IPC):  H02S 20/26(2014.01) E04B 1/80(2006.01) H02S 20/23(2014.01) H02S 40/36(2014.01) H10F 19/80(2025.01) E04D 3/35(2006.01) H02S 20/25(2014.01) (52) Cooperative Patent Classification (CPC): H02S 20/26; H02S 20/23; H02S 20/25; H02S 40/36; E04D 3/35; E04C 2/292; H10F 19/80; E04D 3/352; E04D 3/358; E04D 3/355; Y02B 10/10 (86) International application number: PCT/IB2024/058280 (87) International publication number: WO 2025/125919 (19.06.2025 Gazette 2025/25)

(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: 12.12.2023 WO PCT/IB2023/062535 (71) Applicant: ArcelorMittal 1160 Luxembourg (LU)	(72) Inventors: BEGUE, Olivier 55000 Brillon-En-Barrois (FR) VIGNAL, Renaud 74320 Sevrier (FR) DESCAZEAUX, Médéric 55000 Bar-Le-Duc (FR) (74) Representative: Plaisant, Sophie Marie  ArcelorMittal France Research & Development Intellectual Property 6, rue André Campra 93200 Saint-Denis 93200 Saint-Denis (FR)