(19)

(11)

EP 4 118 286 A1

(12)

(43) Date of publication: 18.01.2023 Bulletin 2023/03 (21) Application number: 21711054.3 (22) Date of filing: 10.03.2021

(51) International Patent Classification (IPC):  E06B 3/263(2006.01) (52) Cooperative Patent Classification (CPC): E06B 3/26303; E06B 2003/26352; E06B 2003/2633; E06B 2003/26332 (86) International application number: PCT/IB2021/051988 (87) International publication number: WO 2021/181298 (16.09.2021 Gazette 2021/37)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 10.03.2020 BE 202005169 (71) Applicant: REYNAERS ALUMINIUM naamloze vennootschap 2570 Duffel (BE)	(72) Inventor: RASKER, Erik Joris R 3001 Heverlee (BE) (74) Representative: Jacobs, Tinneke Ivonne C et al Bureau M.F.J. Bockstael N.V. Arenbergstraat 13 2000 Antwerpen 2000 Antwerpen (BE)