| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a water passage installation type screen structure capable of preventing clogging of dust in a mesh opening part, and capable of also simplifying manufacture of a screen.SOLUTION: The water passage installation type screen structure 10 is formed by juxtaposing a plurality of bars 12, and inserts a tooth 18 of a dust scratching-off rake 16 from the upstream side into the respective mesh opening parts 14, and the bars 12 are constituted so that a comb-tooth part 32 constituted of a first flat part 27 on one end side and a pair of recess part 28 and second flat part 30 continuing with it are formed toward the other end along the longitudinal direction by (n) pieces (n=an integer of 1 or more) on its one side, and the mutual adjacent bars 12 mutually become the opposite direction in the longitudinal direction.</p> |
