Patent ID: 6751917
Filing Date: 2004-06-22
Classification: B32B,E04F,Y10T

Abstract:
A floor tile structure comprising an upper layer, a double sided adhesive tape layer, and a bottom layer, said adhesive layer is a soft and double sided adhesive tape layer having a first and second side, said first side of said adhesive layer is attached to the upper layer of said tile which is a hard material and the second side of said adhesive tape layer is attached to the bottom layer on one side and the other side of the bottom layer is free of adhesive, said bottom layer is a hard plastic; wherein the periphery edge of the upper layer is straight, and one continuous or neighbored periphery of the lower layer has a concave shape relative to the edge and the other continuous or neighbored periphery has a convex shape relative to the edge, wherein the convex portion is protruded to the outside of the periphery of the surface layer, and the concave portion is withdrawn in the inner side of the periphery of the upper layer; and wherein a top surface of the concave portion of the floor tile is a partial portion of one of the adhesive surface in the adhesive layer.