(19)

(11)

EP 4 507 840 A1

(12)

(43) Date of publication: 19.02.2025 Bulletin 2025/08 (21) Application number: 23787921.8 (22) Date of filing: 14.04.2023

(51) International Patent Classification (IPC):  B22D 11/049(2006.01) B22D 11/07(2006.01) B22D 11/055(2006.01) (52) Cooperative Patent Classification (CPC): B22D 11/003; B22D 11/0403; B22D 11/055; B22D 11/07; B22D 11/112; B22D 11/1246; B22D 11/049; B22D 11/124 (86) International application number: PCT/IB2023/053832 (87) International publication number: WO 2023/199280 (19.10.2023 Gazette 2023/42)

(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: 14.04.2022 EP 22168449 (71) Applicant: Dubai Aluminium PJSC Dubai (AE)	(72) Inventor: AL HAMAD, Ayman Mohammad Dubai (AE) (74) Representative: IXAS Conseil  22, avenue René Cassin 69009 Lyon 69009 Lyon (FR)