Patent ID: 8950148
Filing Date: 2015-02-10
Classification: E04F

Abstract:
1. A floor panel for forming a floor covering, wherein the floor panel comprises at least one pair of two opposite sides; wherein the floor panel, at said pair of opposite sides, comprises coupling parts configured to couple the floor panel to similar floor panels; wherein the coupling parts, in a coupled condition, are locked with corresponding similar coupling parts of said similar floor panels in a vertical direction and in a horizontal direction; wherein the floor panel has a core including at least two core material parts, the core is provided as a sandwich structure between an upper layer and a bottom layer, said core extending from one of said opposite sides to the other of said opposite sides so the upper and bottom layers are maintained spaced apart by the at least two core material parts along a longitudinal length of the panel, and said at least two core material parts each extend to a respective one of said at least two opposite sides, wherein each of the at least two core material parts is located adjacently below said upper layer and adjacently above said bottom layer; wherein at least one of the coupling parts comprises a locking element configured as an insert, the insert being mounted in one of said at least two core material parts, wherein the locking element, in the coupled condition, provides a locking in the vertical direction between said floor panel and one of said similar floor panels; and wherein said at least two core material parts are formed of different materials or materials having different properties.