Patent ID: 6450731
Filing Date: 2002-09-17
Classification: E01C,E01H,E02B

Abstract:
A system for applying a liquid upon a surface of a pavement material, comprising(a) a molded mat substantially including (1) a substantially planar grid formed substantially by a plurality of intersecting struts, (2) a plurality of substantially upstanding tubular members spaced uniformly on and integrally molded with said grid with said tubular members being spaced such that a series of substantially parallel, substantially straight pathways are defined by said tubular members, and (3) at least one integrally molded rib substantially laterally extending across at least one said pathway; (b) at least one pipe extending through a corresponding one of said pathways and resting upon said at least one rib; and (c) valve means in operative communication with said at least one pipe for selectively permitting said liquid to flow within said at least one pipe substantially laterally to the exterior of said at least one pipe and onto said pavement material surface.