(19)

(11)

EP 3 829 971 A1

(12)

(43) Date of publication: 09.06.2021 Bulletin 2021/23 (21) Application number: 18774159.0 (22) Date of filing: 31.07.2018

(51) International Patent Classification (IPC):  B63B 43/32(2006.01) B63B 19/00(2006.01) (86) International application number: PCT/NL2018/050528 (87) International publication number: WO 2020/027651 (06.02.2020 Gazette 2020/06)

(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 (71) Applicant: Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO 2595 DA 's-Gravenhage (NL)	(72) Inventors: VAN ERKEL, Arie Gérard 2595 DA `s-Gravenhage (NL) PAPE, Gersom 2595 DA `s-Gravenhage (NL) (74) Representative: V.O.  P.O. Box 87930 2508 DH Den Haag 2508 DH Den Haag (NL)