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(11)

EP 4 798 391 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24805305.0 (22) Date of filing: 25.10.2024

(51) International Patent Classification (IPC):  B21D 51/44(2006.01) (52) Cooperative Patent Classification (CPC): B21D 51/44 (86) International application number: PCT/US2024/052923 (87) International publication number: WO 2025/090842 (01.05.2025 Gazette 2025/18)

(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: 27.10.2023 US 202363593811 P (71) Applicant: Novelis Inc. Atlanta, GA 30326 (US)	(72) Inventor: JURENDIC, Sebastijan Kennesaw, Georgia 30144 (US) (74) Representative: Weickmann & Weickmann PartmbB  Postfach 860 820 81635 München 81635 München (DE)