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(11)

EP 4 770 860 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24776355.0 (22) Date of filing: 30.08.2024

(51) International Patent Classification (IPC):  B30B 1/38(2006.01) E21D 15/44(2006.01) E04G 25/04(2006.01) E21D 15/45(2006.01) (52) Cooperative Patent Classification (CPC): E04G 25/04; E21D 15/445; E21D 15/45 (86) International application number: PCT/IB2024/058458 (87) International publication number: WO 2025/046532 (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: 01.09.2023 NL 2035721 (71) Applicant: Zamqua Holding B.V. 2163 HC Lisse (NL)	(72) Inventors: KIKKERT, Jelle 2163 HC Lisse (NL) MAARSCHALK, Jan-Pieter 2163 HC Lisse (NL) (74) Representative: Jilderda, Anne Ayolt  LIOC Patents & Trademarks Zwaanstraat 31 L 5651 CA Eindhoven 5651 CA Eindhoven (NL)