Mineral-based panel comprising grooves and a method for forming grooves

Abstract

A mineral-based floor panel including a mineral-based core, wherein the panel includes at least one groove. The at least one groove may be provided in a rear side of the panel. There is also disclosed other such mineral-based panels, such as a building panel, a wall panel, a ceiling panel or a furniture panel. There is also disclosed a method for forming such grooves in a mineral-based panel. Furthermore, there is disclosed a mineral-based panel including a mineral-based core and polymer-based lower layer(s) attached to the core. A locking system of the panel includes a strip extending horizontally beyond an upper portion of the panel, wherein at least a horizontal portion of the strip is entirely formed in the polymer-based lower layer(s).

Dependencies are inferred from the claim text.