US 12,442,197 B2
Floor board and method for manufacturing such floor boards
Pieter Renaat Karel Devos, Turnhout (BE)
Assigned to i4F Licensing NV, Turnhout (BE)
Filed by i4F Licensing NV, Turnhout (BE)
Filed on Dec. 18, 2024, as Appl. No. 18/986,388.
Application 18/986,388 is a continuation of application No. 18/618,404, filed on Mar. 27, 2024, granted, now 12,221,793.
Claims priority of application No. 2036707 (NL), filed on Dec. 28, 2023.
Prior Publication US 2025/0215702 A1, Jul. 3, 2025
Int. Cl. E04F 15/02 (2006.01); B05D 7/08 (2006.01)
CPC E04F 15/02038 (2013.01) [B05D 7/08 (2013.01); B05D 2203/20 (2013.01); B05D 2320/00 (2013.01); B05D 2504/00 (2013.01); E04F 2201/0107 (2013.01); E04F 2290/04 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A decorative board, comprising:
a substrate having a plurality of side edges; and
a decorative surface layer applied to said substrate,
wherein said plurality of side edges comprises a first pair of opposite side edges and a second pair of opposite side edges,
wherein the second pair of opposite side edges comprises third and fourth coupling parts allowing to couple said decorative board at the respective side edges with a further similar decorative board by means of a lowering movement or horizontal shifting movement such that, in a coupled condition, said decorative board and the further similar decorative board become locked both in a vertical direction perpendicular to a board plane defined by the intercoupled decorative boards, as well as in a horizontal direction parallel to said board plane, and
wherein the substrate comprises MDF or HDF material at the side edges,
wherein at least one of said side edges is treated with at least one water barrier agent,
wherein said water barrier agent is water impermeable and/or moisture-repellent, and
wherein a concentration of said water barrier agent in a top section and/or a bottom section of the side edge is lower than a concentration of said water barrier agent in a centre section of the side edge.