(19)

(11)

EP 4 298 318 A1

(12)

(43) Date of publication: 03.01.2024 Bulletin 2024/01 (21) Application number: 22707262.6 (22) Date of filing: 22.02.2022

(51) International Patent Classification (IPC):  E21D 9/10(2006.01) (52) Cooperative Patent Classification (CPC): E21D 9/1093 (86) International application number: PCT/NL2022/050092 (87) International publication number: WO 2022/182228 (01.09.2022 Gazette 2022/35)

(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: 23.02.2021 NL 2027629 (71) Applicant: IQIP Holding B.V. 3361 EP Sliedrecht (NL)	(72) Inventors: HURTZ, Thomas 2961 AW Kinderdijk (NL) VRAETZ, Tobias 2961 AW Kinderdijk (NL) JANSEN, Karsten 2961 AW Kinderdijk (NL) GREVE, Hans Arnold 2961 AW Kinderdijk (NL) VAN DEN BERG, Martijn 2961 AW Kinderdijk (NL) (74) Representative: De Vries & Metman  Overschiestraat 180 1062 XK Amsterdam 1062 XK Amsterdam (NL)