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(11)

EP 4 680 458 A1

(12)

(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24709870.0 (22) Date of filing: 06.03.2024

(51) International Patent Classification (IPC):  B32B 5/32(2006.01) B32B 5/18(2006.01) B32B 27/06(2006.01) B32B 27/30(2006.01) B32B 3/06(2006.01) B32B 7/12(2006.01) B32B 27/08(2006.01) E04F 15/10(2006.01) (52) Cooperative Patent Classification (CPC): B32B 5/18; B32B 27/065; B32B 27/304; B32B 27/08; B32B 2266/0235; B32B 3/06; B32B 2471/00; E04F 15/107; B32B 5/32; B32B 2307/7376; B32B 7/12; E04F 15/105 (86) International application number: PCT/IB2024/052143 (87) International publication number: WO 2024/189467 (19.09.2024 Gazette 2024/38)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 14.03.2023 US 202363490011 P 24.03.2023 EP 23163916 (71) Applicant: Unilin, BV 8710 Wielsbeke (BE)	(72) Inventors: BOSSUYT, Jochen 8710 Wielsbeke (BE) NAEYAERT, Christophe 8710 Wielsbeke (BE) VAN VLASSENRODE, Kristof 8710 Wielsbeke (BE) TANGHE, Kevin 8710 Wielsbeke (BE) SPRIET, Wim 8710 Wielsbeke (BE) TERMOTE, Sarah 8710 Wielsbeke (BE) (74) Representative: Unilin Technologies  Patent Department Ooigemstraat 3 8710 Wielsbeke 8710 Wielsbeke (BE)