| 摘要 |
PROBLEM TO BE SOLVED: To discharge the water without newly constructing a drain vertical pipe by easily connecting the drainage of added equipment like a toilet bowl, which is desired to be added due to a change of a plan after completion of construction of an already constructed building or the like, to an existing drainage system. SOLUTION: The wastewater from the added equipment like a flush toilet, a lavatory sink, or a shower unit is pressure-fed by a small drain tank with a built-in electric macerator pump in a full stream through a small-diameter drain pipe 7, and is discharged to a drain pipe of an existing toilet bowl 1 by the intermediary of a drainage nozzle 8 going through a toilet stand 2 laid at the lower part of the existing toilet bowl. COPYRIGHT: (C)2006,JPO&NCIPI
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