(19)

(11)

EP 3 596 278 A1

(12)

(43) Date of publication: 22.01.2020 Bulletin 2020/04 (21) Application number: 18711919.3 (22) Date of filing: 15.03.2018

(51) International Patent Classification (IPC):  E04B 1/344(2006.01) E04H 15/50(2006.01) E04H 15/48(2006.01) E04H 12/18(2006.01) (86) International application number: PCT/EP2018/056609 (87) International publication number: WO 2018/167247 (20.09.2018 Gazette 2018/38)

(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: KH MA MD TN (30) Priority: 16.03.2017 EP 17161353 07.07.2017 EP 17180268 (71) Applicant: Vrije Universiteit Brussel 1050 Brussel (BE)	(72) Inventors: ROOVERS, Kelvin B-1040 Etterbeek (BE) DE TEMMERMAN, Niels B-1800 Vilvoorde (BE) (74) Representative: Pronovem  Office Van Malderen Avenue Josse Goffin 158 1082 Bruxelles 1082 Bruxelles (BE)