US 12,215,506 B2
Decorative panel, and decorative floor covering consisting of said panels
Eddy Alberic Boucké, Menen (BE)
Assigned to i4F Licensing NV, Turnhout (BE)
Filed by I4F Licensing NV, Turnhout (BE)
Filed on Mar. 1, 2023, as Appl. No. 18/116,074.
Application 18/116,074 is a continuation of application No. 17/299,126, granted, now 11,624,193, previously published as PCT/EP2019/076450, filed on Sep. 30, 2019.
Claims priority of application No. 2022114 (NL), filed on Dec. 3, 2018.
Prior Publication US 2023/0203823 A1, Jun. 29, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E04F 15/10 (2006.01); B32B 3/06 (2006.01); B32B 7/12 (2006.01); B32B 9/02 (2006.01); B32B 13/14 (2006.01); B32B 27/40 (2006.01); C04B 16/02 (2006.01); C04B 18/24 (2006.01); C04B 18/26 (2006.01); C04B 28/10 (2006.01); C04B 28/30 (2006.01); C04B 28/32 (2006.01); C04B 28/34 (2006.01); E04F 15/02 (2006.01); C04B 111/00 (2006.01)
CPC E04F 15/107 (2013.01) [B32B 3/06 (2013.01); B32B 7/12 (2013.01); B32B 9/02 (2013.01); B32B 13/14 (2013.01); B32B 27/40 (2013.01); C04B 16/02 (2013.01); C04B 18/248 (2013.01); C04B 18/26 (2013.01); C04B 28/105 (2013.01); C04B 28/30 (2013.01); C04B 28/32 (2013.01); C04B 28/34 (2013.01); E04F 15/02038 (2013.01); E04F 15/102 (2013.01); E04F 15/105 (2013.01); B32B 2262/065 (2013.01); B32B 2262/101 (2013.01); B32B 2264/065 (2013.01); B32B 2264/067 (2013.01); B32B 2266/0228 (2013.01); B32B 2307/3065 (2013.01); C04B 2111/00612 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A decorative panel, comprising:
a core provided with an upper side and a lower side,
a decorative top structure affixed on said upper side of the core,
a first panel edge comprising a first coupling profile, and a second panel edge comprising a second coupling profile being designed to engage interlockingly with said first coupling profile of an adjacent panel by a fold-down movement and/or a vertical movement,
wherein said core comprises:
at least one composite layer comprising:
at least one magnesia based cement,
at least one of the following: citric acid, phosphoric acid, phosphate, or any combination thereof,
particles dispersed in said at least one magnesia based cement, and
at least one reinforcement layer embedded in said at least one composite layer,
wherein the at least one magnesia based cement comprises at least one of the following: 5Mg(OH)2·MgSO4·5H2O (515-phase), Mg(OH)2·MgSO4·7H2O (517-phase), or any combination thereof,
wherein the first coupling profile comprises:
an upward tongue,
at least one upward flank lying at a distance from the upward tongue,
an upward groove formed in between the upward tongue and the upward flank wherein the upward groove is adapted to receive at least a part of a downward tongue of a second coupling profile of an adjacent panel, and
at least one first locking element, and
wherein the second coupling profile comprises:
a first downward tongue,
at least one first downward flank lying at a distance from the downward tongue,
a first downward groove formed in between the downward tongue and the downward flank, wherein the downward groove is adapted to receive at least a part of an upward tongue of a first coupling profile of an adjacent panel, and
at least one second locking element adapted for co-action with a first locking element of an adjacent panel.