Title:
FLAP GATE
Document Type and Number:
Japanese Patent JP2015113679
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a flap gate capable of completely closing a door body when a water level rises, and capable of smoothly draining water by reducing a hindrance of a water flow to the external water side from the internal water side in draining, even when requiring large initial opening such as a water passage having no laying step difference.SOLUTION: A flap gate 1A is provided for opening-closing a door body 4 to an opening part 91 in a structure 9 such as a sluice, and a moving float 6A is provided on a back face of the door body 4 for moving in the separating direction from the door body 4 in response to a rise in the water level and moving in the approaching direction to the door body by the water flow in the draining.
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Inventors:
SASAYAMA KOJI
Application Number:
JP2013258368A
Publication Date:
June 22, 2015
Filing Date:
December 13, 2013
Export Citation:
Assignee:
ASAHI INOVEX KK
International Classes:
E02B7/44
Attorney, Agent or Firm:
Shingo Sagawa
Motoko Kobayashi
Yosuke Kawano
Motoko Kobayashi
Yosuke Kawano
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