(19)

(11)

EP 3 507 420 A1

(12)

(43) Date of publication: 10.07.2019 Bulletin 2019/28 (21) Application number: 17762235.4 (22) Date of filing: 29.08.2017

(51) International Patent Classification (IPC):  E01C 5/00(2006.01) E04F 15/02(2006.01) E04D 11/00(2006.01) E04F 15/024(2006.01) (86) International application number: PCT/NL2017/050566 (87) International publication number: WO 2018/044158 (08.03.2018 Gazette 2018/10)

(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: 31.08.2016 NL 2017397 (71) Applicant: Zoontjens Beton B.V. 5015 TA Tilburg (NL)	(72) Inventor: GOSENS , Leonardus Josephus Johannes Maria 5045 LR Tilburg (NL) (74) Representative: Wijnstra, Reinier  WijnstraWise Patents Talbotstraat 166 1087 DM Amsterdam 1087 DM Amsterdam (NL)