Title:
FLOAT GATE FOR SHUTTING OFF INFLOW WATER AT BUILDING ENTRANCE, AND ITS LOCK DEVICE
Document Type and Number:
Japanese Patent JP3542537
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a float gate at an entrance of building, which stands up as the water level heightens, using buoyancy of the water liable to flow in, raising the float gate, so as to shut off the entrance automatically.
SOLUTION: The float gate 4, which stands up as the water level heightens, preventing influx by shutting off the building entrance 1 is attached on the floor 3 of the building entrance 1, allowing the gate 4 to revolve, rise and fall freely.
Inventors:
Hiroshi Fujiya
Application Number:
JP2000024578A
Publication Date:
July 14, 2004
Filing Date:
February 02, 2000
Export Citation:
Assignee:
Japan FRP Co., Ltd.
International Classes:
E02B7/40; E02B7/50; E02D29/00; E04H9/14; (IPC1-7): E02B7/50; E02B7/40; E04H9/14
Domestic Patent References:
| JP9137631A | ||||
| JP61173532U |
Attorney, Agent or Firm:
Tadashi Harasaki
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