(19)

(11)

EP 4 569 171 A1

(12)

(43) Date of publication: 18.06.2025 Bulletin 2025/25 (21) Application number: 23753999.4 (22) Date of filing: 09.08.2023

(51) International Patent Classification (IPC):  E02B 17/00(2006.01) E02B 17/04(2006.01) E04H 12/08(2006.01) E02B 17/02(2006.01) E02D 27/52(2006.01) E04H 12/34(2006.01) (52) Cooperative Patent Classification (CPC): E02B 17/0004; E02B 17/027; E02B 2017/0065; E02B 2017/0091; E04H 12/08 (86) International application number: PCT/NL2023/050421 (87) International publication number: WO 2024/035260 (15.02.2024 Gazette 2024/07)

(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: 10.08.2022 NL 2032719 (71) Applicant: Sif Holding N.V. 6041 TA Roermond (NL)	(72) Inventor: KURSTJENS, Michel Antoin Marie 6041 TA Roermond (NL) (74) Representative: V.O.  P.O. Box 87930 2508 DH Den Haag 2508 DH Den Haag (NL)