| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an adapter for a joint which can easily attach a tubular body of a joint body incapable of being used as a branch joint for connecting a horizontal branch pipe and a standpipe for a conventional multistory building to each other to an LT joint-type pipe joint almost identical in diameter to the standpipe, and can easily constitute a single pipe-type drainage system with excellent drainage performance by means of the LT joint-type pipe joint even in a high-rise building with ten or more stories by attachment to the LT joint-type pipe joint, and to provide a drainage structure using the adapter for the joint. <P>SOLUTION: In the drainage structure A, a tubular fitting portion 21 of the adapter 1a is fitted into the upper socket 52 of the pipe joint 5; a swing blade supporting leg 23 which is elongated below the fitting portion 21, and a swing blade 22, which is supported by the swing blade supporting leg 23 and provided in the standpipe 6a in such a manner as to be inclined with respect to a pipe axis are attached in positions to face a joint body-side opening of a horizontal branch pipe connecting portion 5b in the tubular body 51 of the pipe joint 5 from a horizontal direction, a lower end of the upside standpipe 6a is connected to the adapter 1a, and a lower socket 53 of the pipe joint 5 is connected thereto. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
