(19)

(11)

EP 3 849 931 A1

(12)

(43) Date of publication: 21.07.2021 Bulletin 2021/29 (21) Application number: 19782790.0 (22) Date of filing: 12.09.2019

(51) International Patent Classification (IPC):  B66C 1/42(2006.01) E02F 3/36(2006.01) B66C 23/52(2006.01) (86) International application number: PCT/NL2019/050591 (87) International publication number: WO 2020/055249 (19.03.2020 Gazette 2020/12)

(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: 12.09.2018 NL 2021614 01.05.2019 NL 2023047 (71) Applicant: Itrec B.V. 3115 HH Schiedam (NL)	(72) Inventors: HOOFTMAN, Maarten Hugo 3115 HH SCHIEDAM (NL) VAN VELUW, Cornelis Martinus 3115 HH SCHIEDAM (NL) VEHMEIJER, Terence Willem August 3115 HH SCHIEDAM (NL) (74) Representative: EP&C  P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)