Title:
DRAINAGE EQUIPMENT
Document Type and Number:
Japanese Patent JP3152889
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To sharply restrain an operation cost of a drainage equipment to which use of water can be connected even when a downstream drain pipe is damaged.
SOLUTION: A gravity type inside drain pipe 11 in which the opening lower end 11a is arranged so as to be freely connectable to an outside drain pipe 12 connected to a main sewer pipe and a storage tank 13 in which drainage A from the inside drain pipe 11 is filled in a condition where connection of the inside drain pipe 11 to the outside drain pipe 12 is released, are provided. Therefore, the inside drain pipe 11 and the outside drain pipe 12 are connected to each other, and the drainage is discharged to the outside drain pipe 12 from the inside drain pipe 11 without using motive power. On the other hand, connection of the inside drain pipe 11 and the outside drain pipe 12 is released, and the drainage A fallen in the inside drain pipe 11 is stored in the storage tank 13 without discharging it to the outside drain pipe 12.
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Inventors:
Sakura, Isamu
Application Number:
JP1997000072867
Publication Date:
January 26, 2001
Filing Date:
March 26, 1997
Export Citation:
Assignee:
KAJIMA CORP
International Classes:
E03C1/00; E03C1/122; E03F3/02; E03C1/00; E03C1/122; E03F3/00; (IPC1-7): E03C1/122; E03F3/02
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