| 摘要 |
<P>PROBLEM TO BE SOLVED: To restrain a drain trap from running out of seal water and to hardly cause noise generation occurring because the drain trap runs out of the seal water. <P>SOLUTION: In a trap device 22, a bathtub pan trap portion 4 for storing seal water is provided midway through a bathtub pan drainage passage 8; an entry side of the bathtub pan drainage passage 8 is opened to the atmosphere via a bathtub pan drainage portion 30; and an exit side thereof is merged into a trap body passage, through which wastewater discharged from each of a washing place pan drain trap 6 and a bathtub drain trap 2 flows, in a position above an upper limit water level of the seal water of each of the drain traps 2 and 6. <P>COPYRIGHT: (C)2012,JPO&INPIT |
