This invention relates to an assembly type floor panel that is easy to assemble, dismantle, and maintain, and that closely and nonadhesively contacts an underlying floor. The floor panel is composed of a base panel of elastic material, e.g., calcium carbonate, a stiffer panel on the upper side of the base panel and a sliding protective sheet on the bottom side of the base panel. Adjacent panels are joined by the cooperation of a projection and groove along an edge of one panel with a projection and groove along an edge of an adjacent panel. By virtue of the elasticity of the base panel and the protective sheet, the floor panel can closely contact an underlying floor, accommodate uneveness in the underlying floor, and conduct heat from the underlying floor.

This invention relates to an assembly type floor panel that is easy to assemble, dismantle, and maintain, and that closely and nonadhesively contacts an underlying floor. The floor panel is composed of a base panel of elastic material, e.g., calcium carbonate, a stiffer panel on the upper side of the base panel and a sliding protective sheet on the bottom side of the base panel. Adjacent panels are joined by the cooperation of a projection and groove along an edge of one panel with a projection and groove along an edge of an adjacent panel. By virtue of the elasticity of the base panel and the protective sheet, the floor panel can closely contact an underlying floor, accommodate uneveness in the underlying floor, and conduct heat from the underlying floor.

A floor panel for forming a floor covering comprises a substrate consisting of at least two substrate layers differing in density and, on at least one pair of opposite edges, is provided with coupling parts of the so-called push-lock type. Vertically active locking surfaces, where they cooperate in the coupled condition of two of such floor panels, define a tangent line which is horizontal or does not deviate more than 50 degrees from the horizontal. The locking surfaces are situated closer to the upper side of the first substrate layer than to the lower side of the first substrate layer.

A floor panel for forming a floor covering comprises a substrate consisting of at least two substrate layers differing in density and, on at least one pair of opposite edges, is provided with coupling parts of the so-called push-lock type. Vertically active locking surfaces, where they cooperate in the coupled condition of two of such floor panels, define a tangent line which is horizontal or does not deviate more than 50 degrees from the horizontal. The locking surfaces are situated closer to the upper side of the first substrate layer than to the lower side of the first substrate layer.

A floor panel for forming a floor covering comprises a substrate consisting of at least two substrate layers differing in density and, on at least one pair of opposite edges, is provided with coupling parts of the so-called push-lock type. Vertically active locking surfaces, where they cooperate in the coupled condition of two of such floor panels, define a tangent line which is horizontal or does not deviate more than 50 degrees from the horizontal. The locking surfaces are situated closer to the upper side of the first substrate layer than to the lower side of the first substrate layer.

A floor panel for forming a floor covering comprises a substrate consisting of at least two substrate layers differing in density and, on at least one pair of opposite edges, is provided with coupling parts of the so-called push-lock type. Vertically active locking surfaces, where they cooperate in the coupled condition of two of such floor panels, define a tangent line which is horizontal or does not deviate more than 50 degrees from the horizontal. The locking surfaces are situated closer to the upper side of the first substrate layer than to the lower side of the first substrate layer.

The invention relates to a multilayer lining plate for essentially horizontal support surfaces such as floors or floor coverings, comprising a main layer having at least two longer sides and two shorter sides, including at least one part, and a ductile upper decorative layer, wherein the lining plate comprises along an outer edge of each of the longer sides of the main layer a ductile machinable portion that can be machined to form a connecting profile for connection of the lining plate with other plates; wherein the at least one part of the main layer is more rigid than the upper decorative layer; and wherein the at least one part of the main layer is made of magnesium oxide, fibrocement or mortar with perlite and/or vermiculite and/or cellulose.

The invention relates to a multilayer lining plate (100) for essentially horizontal support surfaces such as floors or floor coverings, comprising a main layer (1), including at least one part made of a rigid or semi-rigid material, and a ductile or flexible upper decorative layer (2). The lining plate comprises in the perimeter of the main layer (1) a ductile machinable portion (3) that can be machined to form a connecting profile for the connection of the plate with other plates. The machinable portion (3) is preferably made of medium-density fiberboard (MDF), a wood-plastic composite (WPC) material or polyvinyl chloride (PVC), and the main layer is of magnesium oxide, fibrocement or mortar with perlite and vermiculite.