Title:
遮水装置及び遮水方法
Document Type and Number:
Japanese Patent JP7257263
Kind Code:
B2
Abstract:
To provide a cutoff device and a cutoff method capable of cutting off water in a canal even where no guide grooves on both of canal walls are installed, as well as facilitating workability even when cutoff members are subjected to buoyant force in water.SOLUTION: A cutoff device 1 is provided with: support poles 10a to 10c installed on a canal; a plurality of cutoff members 20a to 20f stacked on the canal; and assembling jigs 30a to 30c used upon stacking the cutoff members 20a to 20f. The assembling jigs 30a to 30c having holes formed in which the support poles 10a to 10c are inserted comprise: attachment part attached rotatably on the support poles 10a to 10c through the holes and movably in a longitudinal direction of the support poles 10a to 10c; and retaining plates retaining the cutoff members 20a to 20f through protruding directly or indirectly from the attachment parts.SELECTED DRAWING: Figure 1
Inventors:
Tomio Nishiyama
Application Number:
JP2019106815A
Publication Date:
April 13, 2023
Filing Date:
June 07, 2019
Export Citation:
Assignee:
Chuden Plant Co., Ltd.
International Classes:
E02B7/22
Domestic Patent References:
JP11158847A | ||||
JP11021863A | ||||
JP39004876Y1 | ||||
JP3189320U | ||||
JP2016017277A | ||||
JP54078334U | ||||
JP46028666Y1 | ||||
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JP2002201628A | ||||
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Foreign References:
CN207017233U | ||||
CN206873412U |
Attorney, Agent or Firm:
Kimura Mitsuru
Wataru Suetsugu
Wataru Suetsugu
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