(19)

(11)

EP 4 370 756 A1

(12)

(43) Date of publication: 22.05.2024 Bulletin 2024/21 (21) Application number: 22741393.7 (22) Date of filing: 12.07.2022

(51) International Patent Classification (IPC):  E04F 15/04(2006.01) E04F 15/02(2006.01) (52) Cooperative Patent Classification (CPC): E04F 15/042; E04F 15/02038; E04F 2201/0161; E04F 2201/0153; E04F 2201/0146; E04F 2201/0138; E04F 2201/0535; E04F 2201/0547; E04F 2201/0552; E04F 15/02033; E04F 15/02188 (86) International application number: PCT/IB2022/056405 (87) International publication number: WO 2023/285954 (19.01.2023 Gazette 2023/03)

(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: 16.07.2021 US 202163222629 P 05.08.2021 EP 21189982 (71) Applicant: Unilin, BV 8710 Wielsbeke (BE)	(72) Inventors: SABBE, Pieter-Jan 9820 Merelbeke (BE) ROLLIER, Bryan 8700 Kanegem (BE) (74) Representative: Unilin Technologies  Patent Department Ooigemstraat 3 8710 Wielsbeke 8710 Wielsbeke (BE)