(19)

(11)

EP 3 237 703 A1

(12)

(43) Date of publication: 01.11.2017 Bulletin 2017/44 (21) Application number: 15830832.0 (22) Date of filing: 22.12.2015

(51) International Patent Classification (IPC):  E04F 13/08(2006.01) E04F 21/00(2006.01) E04F 13/18(2006.01) (86) International application number: PCT/IB2015/002408 (87) International publication number: WO 2016/103021 (30.06.2016 Gazette 2016/26)

(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: 22.12.2014 BE 201405149 (71) Applicant: Build Tech IP 3000 Leuven (BE)	(72) Inventors: MICHEL, Yves 3320 Meldert (BE) DEWEERDT, Marc 8800 Roeselaere (BE) (74) Representative: Gevers Patents  Intellectual Property House Holidaystraat 5 1831 Diegem 1831 Diegem (BE)