Patent ID: 7017316
Filing Date: 2006-03-28
Classification: E01F,E02D,E04B,E04C

Abstract:
1. A wall system comprising, a) a plurality of concrete wall panels each panel comprising a slab and a pair of end ribs connected to the slab, the ribs being oriented generally vertically when the panel is oriented generally vertically and provided on opposed ends of the panel; b) a plurality of holes in the end ribs, the holes being provided in pairs, each pair comprised of a hole in each of the adjacent end ribs of adjacent panels, the holes of each pair positioned so as to permit a fastener to pass through the pair of holes; and, c) fasteners adapted to pass through the pairs of holes to secure adjacent panels together, wherein the fasteners further comprise, d) a hollow conduit; e) an abutment at one end of the hollow conduit to engage one of the concrete wall panels; and f) an abutment at the other end of the hollow conduit to engage another of the concrete wall panels, wherein the abutments do not completely block openings at the ends of the hollow conduit thereby permitting materials to pass through the conduit wherein at least one end of the hallow conduit is threaded and the abutment on that end is a nut threaded onto the threads.