| 摘要 |
PROBLEM TO BE SOLVED: To provide a rain-proof louver having a simple structure, which is suitable for mass production.SOLUTION: A plurality of first faces 32 equivalent to the riser faces of a stair and a plurality of second faces 33 equivalent to the tread faces of a stair are alternately arranged, respectively. The whole rear face thereof is joined to the whole surface of an inclined plane 21 so as to form a step-shaped block body 12. A first wall 23 is continuously connected at the whole lower end to the whole end located inside the inclined plane 21 so as to extend upward. A second wall 24 is continuously connected at the whole end located inside to the whole upper end of the first wall 23 so as to extend outward. A plurality of blade bodies 13 each including the step-shaped block body 12, the first wall 23, and the second wall 24 are stacked in the vertical direction. |
