| 摘要 |
<p>PROBLEM TO BE SOLVED: To facilitate handling of a knocked-down buried type wiring box in field and built it simply and in a short time by equipping it with a connection pipe which can simply connect an elastic duct sleeve. SOLUTION: An end wall board 1 to block the sidewall of the opening of a wiring box is composed of a roughly plate-shaped wall board body 2 which has a proper thickness to block the flank of the opening in a U-shaped block U, and a proper number of tubular connection pipes 10 which are arranged and fixed integrally through a slip-out preventive means 11 to the wall board body 2, having a retaining means 15 to compulsorily insert and couple the duct sleeve D to connect the duct material P constituting a duct. The wall board body 2 is constituted by solidifying a pipe arranging and fixing tool 3 to temporarily arrange and fix connection pipes 10 in the shape of erect feet in specified arrangement form on a board molding box panel, within a molding means to build a frame in plane arrangement form on a molding work face, and reinforcing rods 6 to be arranged through reinforcing rod supporting tools 50 mounted on this pipe arranging and fixing tool 3, in integral form by concrete material 7.</p> |
