(19)

(11)

EP 4 193 025 A1

(12)

(43) Date of publication: 14.06.2023 Bulletin 2023/24 (21) Application number: 21755985.5 (22) Date of filing: 09.08.2021

(51) International Patent Classification (IPC):  E02D 31/08(2006.01) E01C 3/06(2006.01) E04B 1/98(2006.01) B32B 5/28(2006.01) G10K 11/168(2006.01) B32B 19/04(2006.01) E04H 9/02(2006.01) B32B 19/02(2006.01) E01B 19/00(2006.01) E01C 1/00(2006.01) (52) Cooperative Patent Classification (CPC): E02D 31/08; E01C 3/06; E04H 9/021; G10K 11/168; E01C 1/002; E01B 2204/01; B32B 3/266; B32B 3/30; B32B 27/32; B32B 27/12; B32B 15/14; B32B 15/18; B32B 5/022; B32B 2307/56; B32B 2419/00; B32B 2262/108; B32B 2255/02; B32B 2255/26; B32B 2307/726; B32B 3/085; G10K 11/172 (86) International application number: PCT/EP2021/072181 (87) International publication number: WO 2022/029337 (10.02.2022 Gazette 2022/06)

(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: 07.08.2020 NL 2026238 (71) Applicant: Civil City Solutions B.V. 2803 MC Gouda (NL)	(72) Inventors: ERNST, Raymond 2831 BJ GOUDERAK (NL) VAN RIJN, Markus Pieter Kornelis 2861 GB BERGAMBACHT (NL) (74) Representative: EP&C  P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)