DRAIN DISCHARGE DEVICE OF FLEXIBLE MEMBRANE-MADE EXPANSION WEIR

Title:

DRAIN DISCHARGE DEVICE OF FLEXIBLE MEMBRANE-MADE EXPANSION WEIR

Document Type and Number:

Japanese Patent JP2004190393

Kind Code:

A

Abstract:

To provide a drain discharge device of a flexible membrane-made expansion weir eliminating the monitoring of a stagnant condition of a drain.

A drain discharge pipe 8 discharging a stagnant drain to the outside by air pressure in a bag body 1 is provided to an air-tight drain tank 5 to which a drain pipe 6 is led, and an opening and closing valve 12 provided to the drain discharge pipe 8 can be automatically opened by a rotatable lever 11 mounted to the upper surface thereof by rising of a float 10 floated on the drain tank 5 to make a person monitor a stagnant condition of the drain to eliminate labor for opening the opening and closing valve 12 of the drain discharge pipe 8.

Inventors:

MATSUBAYASHI TOSHIO

Application Number:

JP2002361192A

Publication Date:

July 08, 2004

Filing Date:

December 12, 2002

Export Citation:

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Assignee:

DAIWA KIKAI SETSUBI KK

International Classes:

E02B7/20; (IPC1-7): E02B7/20

Attorney, Agent or Firm:

Bunji Kamada
Higashio Masahiro
Torii Kazuhisa

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