Title:
PULL-UP TYPE FLAP-IN GATE
Document Type and Number:
Japanese Patent JP2014136885
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pull-up type gate capable of ensuring a discharge function of sufficient water quantity even if a door body is damaged while it closes a water way and trouble occurs in opening/closing of the door body in the pull-up type gate.SOLUTION: A pull-up type flap-in gate 10 comprises: an opening frame-shaped door body 20 having an opening 24; and a flap valve 30 swinging to open and close the opening. The pull-up type flap-in gate 10 moves vertically a rod 29 connected to a suspension fitting 28 by an opening/closing machine to open and close a sluice provided at an outlet part to a river from a discharge water channel of a water way. The door body 20 has an opening frame shape with an opening in its central part. The cross-sectional shape of the frame has a hollow box girder structure. The frame box girder includes structurally: an upper frame box girder 21 arranged horizontally in a top part; a side part frame box girder 22a and a side part frame box girder 22b vertically welded to both ends of the upper frame box girder 21, respectively; and a lower frame box girder 23 arranged horizontally in a bottom part to lower ends of the side part frame box girder 22a and a side part frame box girder 22b and welded to them.
Inventors:
OMOTE MINORU
Application Number:
JP2013005048A
Publication Date:
July 28, 2014
Filing Date:
January 16, 2013
Export Citation:
Assignee:
OMOTE TEKKOSHO KK
MYUURON KK
MYUURON KK
International Classes:
E02B7/20; E02B7/44
Domestic Patent References:
| JP3088524U | 2002-09-20 | |||
| JPH08302654A | 1996-11-19 | |||
| JPS586825U | 1983-01-17 |
Attorney, Agent or Firm:
Kenichi Fujii
Koichi Fujii
Koichi Fujii