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Patent Searching and Data


Matches 801 - 850 out of 14,443

Document Document Title
JP3199756U
[Subject] There is no passing trouble on the upper surface of a bank, and it provides an advantageous intake gate structure also in respect of cost. [Means for Solution] While providing level difference slope 2 along a method slope of ou...  
JP5775499B2  
JP2015135056A5  
JP2015158122A
To suppress deterioration in bedrock without coating a bedrock surface with spray mortar and the like.A construction method for a structure such as a dam body includes: a step (S2) of coating an externally-exposed first excavated surface...  
JP2015158089A
To enable efficient scour via a scour tunnel without bringing a worker close to the scour tunnel.A sediment discharge system 1 includes an opening/closing device 15 that opens/closes a path 14 between an opening 13 and a bottom surface 5...  
JP3199537U
[Subject] A water level adjustment sluice used for pipe drain of a paddy field or an affusion institution in the ground is provided. [Means for Solution] Crookedness room 8 by which one end was connected with an inside of sluice cheese 4...  
JP3199498U
[Subject] An installing space ends small and provides a power switching arrangement used for a stopper for power switching arrangements and this which can prevent corotation of an axis by the side of the reserve source of power with a si...  
JP5770035B2  
JP5770034B2  
JP2015151705A
To provide a construction method for a flow regulating member that prevents formation of a dead air space behind the flow regulating member or between the flow regulating member and preceding concrete, thereby enhancing the quality, and ...  
JP5767383B1
[Subject] In a current supply system of sluice equipment provided with a prudence descent function, electric power which drops and consumes the reliability of sluice closing is stopped as much as possible. [Means for Solution] Equipment ...  
JP5765834B1
[Subject] Earthquake resistance is given to the completed structure about an assembly block for an invention to build river improvement structures, such as a bank, an agricultural dam, and a barrier to prevent landslides. [Means for Solu...  
JP5767712B2  
JP5762822B2  
JP2015143449A
To form a through-hole in a dam body efficiently, while controlling vibration at the time of excavation.A method for forming a though-hole 3 in an existing dam body 1 comprises: a process for forming a first space 6 of the through-hole 3...  
JP5758719B2  
JP5759322B2  
JP5759431B2  
JP2015140515A
To provide a movable weir capable of preventing the occurrence of a water drop, and capable of relieving an upstream side water level variation by a flow rate variation, by automatically adjusting opening of a weir body, while holding an...  
JP2015140534A
To provide a water regulating device for a water channel, capable of limiting water flowing in the water channel, regardless of a water level in the water channel.This water regulating device for a water channel includes a water turbine ...  
JP2015137459A
To enable sediment to be returned to a river simply and with lesser impacts on the river.A sediment processing method includes: a sediment carry-in area formation process, in which a movable compartment part is shifted for partitioning p...  
JP2015137522A
To provide an erosion control structure capable of effectively preventing damages at a connecting part of screen materials.An erosion control structure 1 has a plurality of vertical girders 3 erected on a support structure 2 installed on...  
JP2015135056A
To provide a device and a method, which enable efficient accumulation of sediment in a dam.In a method for accumulating dam sediment, a winch installed on land imparts a moving force to an accumulation body 1, which comprises a long stee...  
JP2015132076A
To provide a precast block and the like, which suppress cracking by reducing the amount of concrete placement and which can secure integration of a concrete structure in itself and integration between the concrete structure and a lower l...  
JP2015132277A
To provide a voltage application device and the like capable of effectively restricting occurrence of condensation and the like at an electromagnetic clutch.A voltage application device 3 applies voltage to a coil part 19 of an electroma...  
JP2015132484A
To provide a water intake arrangement of nuclear power plant capable of constantly ensuring cooling water of proper amount in a water intake pool to supply the cooling water to a predetermined cooling position by means of a pump.A water ...  
JP2015129389A
To provide sluice gate equipment with an operation interlocking device in which own weight descending devices of left and right sluice gate opening and closing devices are interlocked and doors are made to descend reliably in the loss of...  
JP2015129427A
To solve the problem that, in the case where an earthquake whose epicenter is directly below a dam or a recurrence long-period earthquake of Great Kanto earthquake or Tokai/Nankai earthquake occurs, a large total flood control dam collec...  
JP2015129390A
To provide a low cost sluice gate opening and closing device in which a looseness overload detection device is not enlarged even if an opening/closing load is large, and an expensive chain is not elongated.A sluice gate opening and closi...  
JP5747300B1
[Subject] The present invention relates to an overflow stream prevention device with which defense to this was taken automatically, when danger of an overflow stream to a house etc. arises based on bank collapse, a heavy rain, etc. [Mean...  
JP5745243B2  
JP2015124541A
To provide an artificial pond device capable of circulating water of a pond while keeping a water surface in a constant height regardless of a shape of the pond, and capable of stabilizing a water quality by removing refuse and an impuri...  
JP2015121046A
To provide a horizontal pulling-type gate capable of simply and reliably screening an opening.A horizontal pulling-type gate 1 includes a door body 4 that opens/closes an opening 3 of a bank 2, two rails 5 and 5 that cross the opening 3,...  
JP2015117555A
To provide a flap gate that can be automatically opened/closed in a non-powered manner even when installed in a channel with no laying step and that can be completely closed even in the presence of a deposit by securing a watertight stat...  
JP2015117552A
To provide a flap gate capable of ensuring a stable balance while maintaining a large initial opening of a door body.A flap gate 1 opens and closes a door body 4 relative to an opening 91 of a structure 9 such as a sluice. A balance weig...  
JP2015113635A
To prevent flooding damage in a drainage channel upstream of a water gate and a water quality standard excess in a drain port downstream of the water gate, by eliminating manual operation of opening the water gate at a job site.A system ...  
JP2015113587A
To provide a prediction system for river flow at downstream of a dam, capable of highly accurate prediction of the river flow and water level at several points in downstream of a dam at a future time point, through simple calculation.An ...  
JP2015113679A
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...  
JP2015113560A
To provide a method and a material for repairing a repair part in water, in which workability is extremely excellent, in which a wide variety of materials for a repair part can be used, and in which adhesive strength is sufficient.A synt...  
JP5734489B1
[Subject] Without using electric power and human power, it is the flood preventive structure which can raise a waterproofing board certainly, and provides flood preventive structure which can maintain a waterproofing board into a lodging...  
JP5737675B2  
JP5731288B2  
JP5730659B2  
JP2015105566A
To provide a flap gate for extremely reducing water leakage to the internal water side of external water, hardly generating noise, and without disturbing even a water flow.A flap gate comprises a door body 7 rockably supported in the int...  
JP2015105548A
To provide a repair method of a river inside structure capable of preventing downstream side river water from moving to the upstream side more than the river inside structure, even in repair work of the river inside structure, in the pre...  
JP2015105550A
To provide a method and a system for safety management in repair work for a movable weir that allow workers to perform repair work safely when repairing a movable weir.A safety management system 10 is used in a repair work for a movable ...  
JP2015101825A
To provide a sediment capture member for an erosion control dam in which the shape of a filler is simple, manufacture is easy, and the installation operation of the filler in the construction is easy, and to provide the erosion control d...  
JP5728397B2  
JP2015098735A
To perform reinforcement by simple work without removing captured matter such as boulder and driftwood, already captured by a wall body.When a steel pipe wall 2 to be fitted to a dam body part 10 formed with a slit part 15 is reinforced,...  
JP5722746B2  

Matches 801 - 850 out of 14,443