| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a drain port apparatus capable of easily and efficiently draining water standing on a floor face, using a rubber spatula or the like. Ž<P>SOLUTION: This drain port apparatus having a body frame 1 inserted in a through hole for a drain port formed in a floor slab 11, is connected to a drain pipe 10 rising from below. The body frame 1 is formed in cylindrical shape, and the upper end of the body frame 1 is provided with a large-diameter flange 2 extended to spread to the outer periphery. A conical inclined surface 2a inclined in conical shape toward the drain port 4 side in the body frame 1 is formed on the upper face inner peripheral side of the large-diameter flange 2. A shade-like conical inclined surface 2b inclined in shade shape is formed on the upper face outer peripheral side of the large diameter flange 2. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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