| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a header body having a good and compact drainage performance in the header body of a header piping unit used for the indoor drainage in under floor. <P>SOLUTION: The header body of the header piping unit used for the indoor drainage in under floor is formed in the shape of an isosceles trapezoid in plan view, at the same time, one outlet (2) discharging waste-water to a sewage side along the symmetrical axis of the trapezoid is made in the surface as a short side of the trapezoid, and a plurality of inlets (3) where-into waste-water from a drainage apparatus flows are made in both sides of the trapezoid so that they can make approximately at right angles to the symmetrical axis of the trapezoid. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
