US 12,168,306 B2
Panel with different groove depths
Per Josefsson, Ramlösa (SE); and Richard Jolfson, Jonstorp (SE)
Assigned to CERALOC INNOVATION AB, Viken (SE)
Filed by CERALOC INNOVATION AB, Viken (SE)
Filed on Jun. 13, 2023, as Appl. No. 18/209,359.
Application 18/209,359 is a continuation of application No. 16/808,973, filed on Mar. 4, 2020, granted, now 11,712,816.
Claims priority of application No. 1950280-6 (SE), filed on Mar. 5, 2019; and application No. 1950281-4 (SE), filed on Mar. 5, 2019.
Prior Publication US 2023/0321865 A1, Oct. 12, 2023
Int. Cl. E04F 15/00 (2006.01); B27F 1/02 (2006.01); B27M 3/04 (2006.01); E04F 15/10 (2006.01)
CPC B27F 1/02 (2013.01) [B27M 3/04 (2013.01); E04F 15/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A panel comprising at least one layer comprising a thermoplastic material and a filler, the panel comprising a plurality of grooves in a rear side of the panel,
wherein said plurality of grooves comprise a first groove arrangement and a second groove arrangement,
wherein a plurality of first grooves has the first groove arrangement and at least one second groove has the second groove arrangement, the first groove arrangement having a same first groove depth and the second groove arrangement having a same second groove depth,
wherein the second groove depth is different from the first groove depth,
wherein the plurality of first grooves are spaced from one another along a longitudinal direction of the panel, and the plurality of first grooves is a cluster spaced from all of the at least one second groove along the longitudinal direction of the panel.