Patent ID: 6074127
Filing Date: 2000-06-13
Classification: E01C,Y02A

Abstract:
A resin decking member suitable to be arranged on a ground surface, having a top surface and a bottom surface bounded by a quadrangular peripheral edge around a periphery thereof, wherein:an edge height of said decking member between said bottom surface and said top surface at said peripheral edge is uniform around said periphery;a center height of said decking member between said bottom surface and said top surface at a center of said top surface is greater than said edge height;said top surface comprises four triangular planar surface portions that respectively slope downward from said center to said peripheral edge and that adjoin one another to form a pyramid shape;said top surface further comprises a plurality of elongated protrusions that convexly protrude from said planar surface portions;said elongated protrusions are each respectively elongated between two protrusion ends in an elongation direction which extends radially from said center to said peripheral edge, and said elongated protrusions are intermittently arranged between said center and said peripheral edge; andsaid top surface has drainage holes passing therethrough respectively at locations proximate to said protrusion ends of said elongated protrusions.