PURPOSE: To provide a more simplified drainage system of sanitary installations and to make it possible reduce an installation space, leaving the conventional technical advantage capable of providing the drainage system such as simple and low cost water closet, etc., without requiring any utilities such as soil tank, etc., and without concern about gradient of drain pipes.
CONSTITUTION: A drainage header pipe 6 of a roughly cylindrical member is combined with a water closet 4, a drainage pump 8 fore pressuring soil and waste drainage is provided to one end of the drainage header pipe 6, a cover body 6a is provided to the other end, and the water closet 4 is connected to the drainage header pipe 6 with a drain pipe 5. The soil and waste drainage stagnating in the drainage header pipe 6 is pressurized by operating the drainage pump 8 and is discharged to an outside sewage from a drain pipe 9. A drainage system of sanitary installations such as water closet, sink, etc., can be installed as temporary installations in the basement of a building simply at a low cost without concern about utilities such as soil tank, etc., or gradient of the drain pipes.
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ITAGAKI NOBUYOSHI
NAGAYAMA TAKASHI
MORINAGA TSUTOMU
YANAGISAWA SEIJI
YOSHIDA MASAO
KIZU TAKASHI
SAIKIYUU KOGYO KK
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