Title:
DRAINAGE BOX FOR SHALLOW SUMP
Document Type and Number:
Japanese Patent JP3756889
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To reduce the construction cost by surely performing drainage in a construction job site of an underground structure.
SOLUTION: A drainage box 1 is formed by a drum part 2 for installing an underwater pump 5 and a cylindrical part 3 provided on the upper part of the drum part. A water stopping member 17 can be stuck to the periphery of the cylindrical part, and a form 18 can be provided to surround the water stopping member. The cylindrical part 3 is provided with an upper opening 4 for getting the underwater pump in and out, and the drum part 2 is provided with a plurality of water-conveyance ports 6 connected to a guide channel for guiding underground water to a shallow sump. The water-conveyance ports are provided with a stop cock 8 to be opened and closed. Accordingly, the shallow sump can easily be installed, leakage of underground water can be completely prevented, and the underwater pump can be recovered.
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Inventors:
Urata, Kazuhiro
Application Number:
JP2003000117933
Publication Date:
January 06, 2006
Filing Date:
January 24, 2000
Export Citation:
Assignee:
Urata, Kazuhiro
International Classes:
E02D19/22; E02D19/00; (IPC1-7): E02D19/22
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