| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a rainwater piping structure capable of sufficiently securing water passing performance as a whole even when enhancing filtering performance of a filter member. <P>SOLUTION: A rainwater piping structure 20A includes a first bifurcation section 1, and second bifurcation sections 2A and 2B which are arranged on the downstream side of the first bifurcation section 1. The first bifurcation section 1 comprises a tank introduction port 14 which is connected to a storage tank 30A, and the second bifurcation sections 2A and 2B comprise the tank introduction port 14 which is connected to storage tanks 30B and 30C, respectively. Additionally, an outlet 12 provided in the second bifurcation section 2B serves as an exhaust port 17 which is connected to a side ditch 16. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
