Patent ID: 6601359
Filing Date: 2003-08-05
Classification: E04F

Abstract:
A flooring panel or wall panel having at least three side edges provided with a locking means in the form of a tongue and/or a groove, said groove comprising an upper cheek adjoiningly arranged above and at the upper side of said groove and ending at a distal edge of said upper cheek of the groove and a lower cheek adjoiningly arranged below and at the lower side of said groove and ending at a distal edge of said lower cheek of said groove, said tongue comprising an upper side and a lower side, the surface area of said upper cheek and of said lower cheek each facing said groove being provided with at least one snap-action means and said upper side and lower side of said tongue being provided with at least one complementary snap-action means, said snap-action means comprising a protuberance forming a snap-action rib and a recess forming a snap-action groove, wherein an additional surface portion is provided at the surface area of said upper cheek and/or said lower cheek facing said groove formed as a step or bevel, wherein said upper cheek is provided with a step or an inwards, inclined surface proximal with respect to a bevel at a distal edge of the upper cheek.