| 摘要 |
PROBLEM TO BE SOLVED: To provide a drain trap which functions to discharge drain water overflowing a water-sealing cup to a sewerage side, wherein the drain trap facilitates washing of a pipe on one side of an outflow port toward the sewerage side, and facilitates cleaning of the water-sealing cup. SOLUTION: The drain trap 3 is formed of an inflow port 25 into which the drain water flows; the water-sealing cup 11 for storing therein the drain water flowing from the inflow port 25; a trapping cylinder 22, having the inflow port 25, and arranged in the water sealing cup 11, for forming water sealing; and an outflow port 19 for flowing the drain water overflowing the water-sealing cup 11 to the sewerage side. Herein, the water-sealing cup 11 is formed separately from a drain trap body 8. The drain trap body 8 has a mounting portion 18 formed therein, on which the water-sealing cup 11 is mounted detachably, and by detaching the water-sealing cup 11 from the mounting portion 18, so that the outflow port 19 is released to an upper opening side of the drain trap body 8. COPYRIGHT: (C)2007,JPO&INPIT
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