(19)

(11)

EP 3 972 442 A1

(12)

(43) Date of publication: 30.03.2022 Bulletin 2022/13 (21) Application number: 20713286.1 (22) Date of filing: 25.03.2020

(51) International Patent Classification (IPC):  A45C 3/06(2006.01) A45C 13/02(2006.01) (52) Cooperative Patent Classification (CPC): A45C 3/06; A45C 13/02; A45C 13/08; A45C 13/36; A45C 13/10; A45C 7/005; A45C 5/00; A45C 2013/1061; A45C 1/024; A45C 5/02; A45C 13/023; A45C 2013/026; A45C 13/30 (86) International application number: PCT/EP2020/058286 (87) International publication number: WO 2020/233870 (26.11.2020 Gazette 2020/48)

(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: 21.05.2019 WO PCT/EP2019/063126 (71) Applicant: De Smet, Frederik 1851 Humbeek (BE)	(72) Inventor: De Smet, Frederik 1851 Humbeek (BE) (74) Representative: Gevers Patents  Intellectual Property House Holidaystraat 5 1831 Diegem 1831 Diegem (BE)