(19)

(11)

EP 3 445 924 A1

(12)

(43) Date of publication: 27.02.2019 Bulletin 2019/09 (21) Application number: 17719939.5 (22) Date of filing: 18.04.2017

(51) International Patent Classification (IPC):  E04B 2/08(2006.01) E04B 2/02(2006.01) E04B 2/12(2006.01) E04B 2/10(2006.01) (86) International application number: PCT/NL2017/050242 (87) International publication number: WO 2017/183967 (26.10.2017 Gazette 2017/43)

(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: 18.04.2016 NL 2016629 30.12.2016 NL 2018107 (71) Applicant: B&D Opmeer B.V. 1715 ZJ Spanbroek (NL)	(72) Inventors: DEEN, Dennis 1716 KG Opmeer (NL) BLOM, Johan 1716 KG Opmeer (NL) (74) Representative: De Vries & Metman  Overschiestraat 180 1062 XK Amsterdam 1062 XK Amsterdam (NL)