Mechanical locking system for floor panels
AssigneeCeraloc Innovation AB
InventorDarko Pervan
Life of this patent
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Abstract
Building panels provided with a locking system for vertical and horizontal locking of a first edge and a second edge of adjacent panels. The locking system includes a displaceable tongue at least partly arranged in a displacement groove, a tongue groove, a cavity provided in a strip at the first edge, and a protrusion extending downwards at the second edge. The displaceable tongue is arranged to be displaced at least partly into the tongue groove during locking, and wherein the protrusion is arranged to be located in least a portion of the cavity when the panels are locked vertically and horizontally.
Claims18
Floor panels comprising a locking system for vertical and/or horizontal locking of a first edge and a second edge of adjacent floor panels, the adjacent floor panels comprising a plastic wear layer and one or several plastic core layers, the plastic wear layer and the one or several plastic core layers comprising a plastic material,
- wherein one plastic core layer comprises several essentially vertical flexing grooves, the vertical flexing grooves being formed at a rear side of the plastic core layer,
- wherein the vertical flexing grooves have a vertical extension of at least about one third of a thickness of said one or several plastic core layers, and
- wherein the vertical flexing grooves are pressed.
Dependencies are inferred from the claim text.