US 12,139,909 B2
Method to produce a building panel and a building panel
Göran Ziegler, Viken (SE)
Assigned to VÄLINGE INNOVATION AB, Viken (SE)
Filed by Välinge Innovation AB, Viken (SE)
Filed on Mar. 17, 2022, as Appl. No. 17/697,417.
Claims priority of application No. 2150315-6 (SE), filed on Mar. 19, 2021.
Prior Publication US 2022/0298789 A1, Sep. 22, 2022
Int. Cl. B27D 1/04 (2006.01); E04C 2/16 (2006.01); E04C 2/20 (2006.01); E04C 2/24 (2006.01)
CPC E04C 2/246 (2013.01) [B27D 1/04 (2013.01); E04C 2/16 (2013.01); E04C 2/20 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method to produce a building panel, comprising
providing a core,
applying a first paper layer on a first surface of the core, wherein the first paper layer comprises a resin impregnated paper,
applying refined lignocellulosic fibres on the first paper layer,
applying a wood veneer layer above the refined lignocellulosic fibres,
applying pressure to the core, the first paper layer, the refined lignocellulosic fibres, and the wood veneer layer to form a building panel.