(19)

(11)

EP 3 289 144 A1

(12)

(43) Date of publication: 07.03.2018 Bulletin 2018/10 (21) Application number: 16733735.1 (22) Date of filing: 28.04.2016

(51) International Patent Classification (IPC):  E02F 9/28(2006.01) E21C 35/193(2006.01) (86) International application number: PCT/NL2016/050300 (87) International publication number: WO 2016/178562 (10.11.2016 Gazette 2016/45)

(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: MA MD (30) Priority: 01.05.2015 NL 2014748 (71) Applicant: Leo Dynamische Investering B.V. 1033 NN Amsterdam (NL)	(72) Inventors: WIJMA, Klaas Geert 2022 GC Haarlem (NL) WEMPE, Cornelis Martinus Petrus 6741 GA Lunteren (NL) BAHRAMIAN, Paul 1446 HL Purmerend (NL) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)