| 摘要 |
PROBLEM TO BE SOLVED: To provide a drainage screen and a drainage equipment capable of making storm water flow into a side ditch, a drain gutter and a collecting inlet for a long period of time without closing the screen by covering the upper surface of the screen with foreign matter such as trash, etc. flowing into together with water such as storm water, etc. SOLUTION: The drainage screen 20 installed in a water influx place wherein water such as storm water, etc. of the road side ditch or the drain gutter or the collecting inlet 1 or the like flows and eliminating foreign matter such as trash, etc. flowing into the water influx place together with water is so constituted that a horizontal plane 21 and an inclined plane are set in the water influx surface to make difference altitude when the drainage screen 20 is installed in the water influx place. COPYRIGHT: (C)2005,JPO&NCIPI
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