(19)

(11)

EP 3 443 184 A1

(12)

(43) Date of publication: 20.02.2019 Bulletin 2019/08 (21) Application number: 17719940.3 (22) Date of filing: 18.04.2017

(51) International Patent Classification (IPC):  E04H 4/06(2006.01) E04H 4/12(2006.01) (86) International application number: PCT/NL2017/050244 (87) International publication number: WO 2017/179987 (19.10.2017 Gazette 2017/42)

(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: 15.04.2016 NL 2016613 (71) Applicant: Variopool B.V. 1724 BG Oudkarspel (NL)	(72) Inventor: WEIJERS, Theodorus Marcelis Cornelis 1724 BG Oudkarspel (NL) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)