(19)

(11)

EP 3 914 788 A1

(12)

(43) Date of publication: 01.12.2021 Bulletin 2021/48 (21) Application number: 19806338.0 (22) Date of filing: 18.11.2019

(51) International Patent Classification (IPC):  E04F 15/024(2006.01) E04F 15/02(2006.01) (52) Cooperative Patent Classification (CPC): E04F 15/02044; E04F 15/0247; E04F 2015/02061 (86) International application number: PCT/IB2019/059879 (87) International publication number: WO 2020/152520 (30.07.2020 Gazette 2020/31)

(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: 24.01.2019 BE 201905041 (71) Applicant: Solidor bvba 8560 Wevelgem (BE)	(72) Inventor: DEJANS, Emmanuel 8860 Lendelede (BE) (74) Representative: Chielens, Kristof et al KOB nv Patents President Kennedypark 31c 8500 Kortrijk 8500 Kortrijk (BE)