To provide a drainage guide structure capable of simply and easily draining to a side groove by providing filter cloth with a drainage function.
Filter clothes 5 cover a filter plate 6 on both of front and rear surfaces thereof. On a bottom part of each the filter clothes 5 below the lower edge of the filter plate 6, waterproof cloths 24 are continuously formed. The waterproof cloths 24 are so configured that one side edge thereof is longer than the other side edge so that an inclination shape is formed at bottom side edge thereof and a projecting edge 23 is formed along with the bottom side edge. On the other hand, in the filter clothes 5 covering a surface of each of the filter plates 6 which are fixed on their back side to a fixed board 12 and a movable board 14 respectively, on bottom part below the lower edge of the filter plate 6 and the lower edge of the fixed board 12 and the movable board 14, the waterproof cloths 24 are respectively arranged. The waterproof cloths 24 are so configured that one side edge thereof is longer than the other side edge so that inclination shape is formed at bottom side edge thereof and the projecting edge 23 is formed along with the bottom side edge. A cylinder 25 comprises one slit 25a which has the same length with the projecting edge 23 and being made on over the sidewall of the cylinder 25 entirely in a longitudinal direction. The projecting edge 23 of each of the waterproof clothes 24 is inserted into the slit 25a and held in the cylinder 25 so as not to be left out. The bottom side edge of the waterproof clothes 24 are bound to form a drainage guide path 26.
ITO KYOJI
ITO YOSHIHIRO
| JP2013052323A | 2013-03-21 | |||
| JPS59102410A | 1984-06-13 | |||
| JPS59139906A | 1984-08-11 | |||
| JPS4617265Y1 | 1971-06-16 |
| US4900454A | 1990-02-13 |
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