Patent ID: 8276342
Filing Date: 2012-10-02
Classification: E04B,E04F,F16B,Y10T

Abstract:
1. Flooring panel or wall panel, comprising a decorative surface consisting of at least one of paint, a thermoplastic foil, a paper sheet impregnated with thermosetting resin and thermosetting laminate, having two pairs of parallel side edges ( 2 , 3 and 4 , 5 respectively), two of these side edges being provided with a locking element in the form of a groove ( 6 ) and the other two side edges provided with a tongue ( 7 ) fitting in the groove ( 6 ) whereby a tongue/groove joint for assembling of the panels is formed, characterized in that the groove ( 6 ) and the tongue ( 7 ) are made of a wood-based material and formed with a locking joint including at least one protrusion ( 9 ) with corresponding cooperating depression ( 10 ), that the groove ( 6 ) in front of the locking joint has an entrance opening ( 8 ) and inside the locking joint continues in a stabilizing groove ( 13 ), that the tongue ( 7 ) is formed with a rear neck ( 11 ) intended to fit in the entrance opening ( 8 ) and a forwardly protruding stabilizing part ( 12 ) situate in front of the locking joint sized and shaped to fit in the entrance opening ( 8 ) and for a tight fit in the groove ( 13 ), whereby connecting panels ( 1 ) when assembled by the locking joints and the stabilizing parts ( 12 ) in the stabilizing grooves ( 13 ) are fixed to each other and prevented from unintentional separation while at the same time a rigid floor covering or wall covering respectively with tight joints and without unintentional gaps between the panels is obtained.