| 摘要 |
PROBLEM TO BE SOLVED: To downsize the whole of a drainage unit and turn it into a low-profile type, and to enable smooth drainage by reducing pressure loss in a main drainage pipe, even if a large quantity of wastewater from a bathtub is discharged into the main drain pipeline. SOLUTION: This drainage structure of a bathroom comprises a bathtub drain trap 2 into which the wastewater on the bathroom side flows, and a washing-place drain trap 6 into which the wastewater on the washing-place side flows; the drain traps 2 and 6 are juxtaposed in a horizontal direction A; the main drain pipeline 7 connected to the drain trap 2 is linearly elongated in the horizontal direction A; and one side surface part 7a of the drain pipeline 7 is provided with an inflow part 8 into which the wastewater discharged from the drain trap 6 flows. COPYRIGHT: (C)2008,JPO&INPIT
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