| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device for easily removing refuse, which flows down through a vertical drainage passage, from the vertical drainage passage without use of human power. <P>SOLUTION: A refuse removal device, which is attached to a vertical drainage passage, comprises a screen part which is attached in the vertical drainage passage and which separates drainage water and refuse, and a lateral removal part which is attached onto the vertical drainage passage and which automatically discharges the refuse out of the vertical drainage passage by making the drainage water push the refuse accumulated in the screen part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
