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EP 4 771 230 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24860544.6 (22) Date of filing: 30.07.2024

(51) International Patent Classification (IPC):  E04B 5/32(2006.01) E04C 5/20(2006.01) E04C 5/16(2006.01) E04G 15/06(2006.01) (52) Cooperative Patent Classification (CPC): E04B 5/326; E04B 5/36; E04C 5/168; E04C 5/20; E04C 5/04; E04C 5/0656; E04G 15/061 (86) International application number: PCT/MY2024/050060 (87) International publication number: WO 2025/048632 (06.03.2025 Gazette 2025/10)

(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: 28.08.2023 MY PI2023005143 (71) Applicant: Sis Deck Sdn. Bhd. Shah Alam, 40460 (MY)	(72) Inventor: CHEAH, Yong Chean Kemuning Shah Alam, 40460 (MY) (74) Representative: Meissner Bolte Partnerschaft mbB  Patentanwälte Rechtsanwälte Postfach 86 06 24 81633 München 81633 München (DE)