(19)

(11)

EP 3 969 407 A1

(12)

(43) Date of publication: 23.03.2022 Bulletin 2022/12 (21) Application number: 20724840.2 (22) Date of filing: 12.05.2020

(51) International Patent Classification (IPC):  B67D 1/00(2006.01) B67D 7/02(2010.01) B67D 1/08(2006.01) (52) Cooperative Patent Classification (CPC): A47G 19/183; A47K 5/1209; A47K 5/1215; A47K 5/122 (86) International application number: PCT/EP2020/063231 (87) International publication number: WO 2020/229495 (19.11.2020 Gazette 2020/47)

(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: 13.05.2019 NL 2023122 (71) Applicant: Well Design B.V. 3542 AA Utrecht (NL)	(72) Inventors: VAN DIJK, Mathijs 2313 JV Leiden (NL) OOSTERHUIS, Arjan, Koen 8458 CS Tjalleberd (NL) VAN DER VEEN, Bram 3554 HW Utrecht (NL) WILLEMSEN, Robert 1271 LS Huizen (NL) (74) Representative: EP&C  P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)