| 摘要 |
PURPOSE: A channel device is provided to simplify channel works, to reduce a manufacturing process of a channel, the term of works and accompanied manpower and working expenses. CONSTITUTION: A channel device(20) comprises; a pipe body functioning as a drain pipe; a front wall(21) provided with a hole combined with one end of the pipe body; both sidewalls(23) which are installed to the both ends of the front wall and function as a guide on draining; a bottom wall(24) installed to be extended to the lower end of the both sidewalls; a fixed ring(25) inserted to one side of the pipe body; many stiffening ribs(26) whose one end is unified with the fixed ring and the other end is connected to the front wall, both sidewalls and the bottom wall.
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