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Patent Searching and Data


Matches 801 - 850 out of 5,679

Document Document Title
JP2008057311
To provide a tide embankment causing no damage on the landscape of an installation site in a normal time and capable of preventing seawater and rainwater from flowing in at the time of flood or the like without human labor and power.A fl...  
JP2008057266
To provide a luffing type movable structure capable of surely making a plate body rise-up/fall down, by maintaining a sealing state of a bag body over a longer period than ever.A movable dam 10 has the plate body 20 rotatably supported t...  
JP2008050747
To provide seepage control membrane ascent/descent type selective intake equipment which is devised so that a seepage control membrane cannot be affected by a rapid water flow of an outlet, even if an outlet is provided near an intake of...  
JP2008050767
To provide a flexible membrane weir more excellent in reliability than ever before.A rubber weir 10 with a bag-shaped rubber sheet 20 which is mounted to a riverbed 14 and a slope 16 is raised by internally supplying a fluid, and brought...  
JP2008050770
To provide a deposit evacuation system of a dam capable of eliminating environmental pollution caused by the land transportation of soil and making the temporarily-stored soil sufficiently flow to the downstream side, enabling the extend...  
JP2008050761
To obtain a flexible membrane weir which can surely maintain the erected state of an inner bag in an outer bag by maintaining differential pressure between the internal pressure of the outer bag and that of the inner bag, and a different...  
JP2008045312
To remove sand accumulated below supporting discs in right and left positions of a door body.A gate body 3 is formed by mounting the door body 5 between the peripheral portions of the right and left supporting discs 4. The rotary gate is...  
JP2008045348
To provide a bottom-sealing device of a rotary type gate which can retain a water-tight condition between the gate and the bottom of a water passage even when a door is bent because of water pressure.A gate body is formed by attaching th...  
JP2008038474
To provide a method of treating the end of the shield plate of a concrete structure capable of easily shaping the end surfaces of the concrete structure by using the shield plate and eliminating a conventional concrete end having serrate...  
JP2008038598
To provide a form for building a civil engineering structure such as afforestation/erosion control dams and retaining walls.Logs each having a through hole are stacked nearly horizontally on the front face of a C-shaped steel support sup...  
JP2008038565
To provide a horizontally sliding movable weir which can reduce the space for housing a door body and can secure sufficient strength of the door body.The horizontally sliding movable weir 1 comprises the door body 10 with horizontal flex...  
JP2008040354
To provide a dam discharge operation simulation system wherein the training of dam discharge operation using a plurality of devices can be remotely simulated.A dam operation training server 20 includes: a database 21 storing device opera...  
JP2008025168
To provide a derricking gate capable of effectively preventing a bag body from being damaged by the contact of air with a mounting bracket of an air supply and exhaust pipe.In this derricking gate 2A, the expansion of the bag body 4 by t...  
JP2008025169
To provide a derricking gate which makes costs low by dispensing with the use of a high-strength rubber material, a high-performance compressor, etc. by devising a shape of a bag body so as to increase an area of contact with a door body...  
JP2008026139
To provide a floating sand collector capable of collecting flowing water layers at different water depth positions of the flowing water of a river at the same time.The floating sand collector 1 has a plurality of cylindrical bodies 2 for...  
JP2008025293
To provide a derricking gate which enables the flow rate of a water way to be accurately adjusted by preventing a change in the height of a weir on both the banks of the water way.Bag bodies 4A and 4B for turning a door body 3 between an...  
JP2008013979
To properly control the outflow rate of water discharged downstream of a dam from a valve which is provided in the diversion channel of the dam.This system comprises a water gauge 15a which measures a water level HA at a measurement poin...  
JP2008014051
To provide a simplified pump gate that can be installed at an intermediate part or a terminal of a waterway with no gate.A frame 2 manufactured into the size of a waterway width is connected to a waterway pipe 38 of the waterway A in a g...  
JP2008002265
To avoid removing work of causing a danger when a controller actually enters the water in a waterway, for removing and releasing a stop-log, when the water in the waterway increases.This stop-log structure has a column 6A having a projec...  
JP2007186959
To provide a pump gate which detects the trouble of a submerged pump and detects the pinching of foreign matter to a flap valve by detecting the closing state of the flap valve during drainage.The submerged pump (14) which is detachably ...  
JP2007186945
To provide a flap gate capable of facilitating the oscillation of a door body, forcedly opening and closing the door body at a small angle of rotation and facilitating the adjustment of water tightness in a construction field and its str...  
JP2007186937
To provide a dam inflow calculating device capable of preventing the occurrence of discontinuity in a dam inflow obtained irrespective of the switch-over of a reservoir level meter.The dam inflow calculating device is equipped with first...  
JP2007177467
To provide debris flow blocking work which facilitates water treatment by reducing the amount of excavation of a bed excavated hole and a pile hole in installation in the river and which can reduce construction costs by decreasing the nu...  
JP2007170156
To solve a problem in a conventional manually-operated sluice opening/closing device wherein only small operating force is acquired due to slow opening/closing speed because of hand operation, which forces an operator to perform distress...  
JP2007169910
To provide a rubber weir which ensures proper repairability together with an increase in the adhesion of a cover rubber 2 to a reinforcing rubber layer 3, while securing excellent weatherability.In this rubber weir, an outer shell body i...  
JP2007170163
To provide spherical bearings for a lock door, and the lock door provided with the spherical bearings for maintaining the smooth and accurate opening/closing operation of door bodies for a long period of time.The non-powered type lock do...  
JP2007170112
To provide a waterproof door which makes the depth of a pit shallow.The waterproof door 1 is provided with a pit 2 formed on a floor surface 93 of an entrance 91, a door body 3 which is supported by hinge parts 6A, 6B and is swingable be...  
JP2007162339
To provide a lump manufacturing device for a contact clay material miniaturizable in the whole device by continuously connecting cylinders, easily handled, easily transferable and improvable in working efficiency with no risk of restrain...  
JP2007162238
To eliminate the induction of cavitation and vibration without causing the unstable change of pressure when a water flow separates and sticks again.A flow control gate has a door body 2 forming four sides of an upper part, both sides and...  
JP2007160261
To provide a structure of a water barrier sheet which has a hooking means on a nonwoven fabric at the place where the nonwoven fabric exists as a base material, wherein the tension is brought about by the shrinkage of the water barrier s...  
JP2007160855
To carry out a treatment operation easily at the same time and to carry out more preferable and desirable treatment in the case of carrying out a treatment to the ground by putting a plurality of sheets side by side on the upper face of ...  
JP2007152795
To provide an apparatus for cutting capable of smoothly cutting or scraping without slip between a driving pulley and a wire saw, and capable of enlarging a cutting width by decreasing the amount of wire saw's sag.The apparatus comprises...  
JP2007146609
To safely replace a watertight member without separately installing a temporary gate for maintenance.A derricking gate device installed in a river or a waterway comprises a main bottom part watertight member 12a installed upstream of a r...  
JP2007146492
To provide a bank and a method of manufacturing the bank ensuring strength and attaining seeding and planting of a surface.The bank comprises a foundation concrete part 2 formed by placing concrete; a plurality of water permeable wall pa...  
JP2007146469
To provide a water stop instrument which can be easily stored when it is not used, which can be easily assembled in the field, and which can temporarily stop the water flowing into a passage or a clearance.A plurality of rod-shaped aggre...  
JP3965887
To provide a backflow detecting system to remove foreign material from a flap valve at a discharge side by detecting the backflow from the dis charge side during shutdown period of a submersible pump. In a pump, equipped with a submersib...  
JP3965612
To prevent a facility from interfering with a view by making the facility compact without impairing the performance of a radial gate. A gate arm 4 secured at its rear end to a door shaft 3 crossing a channel 1 is projected upstream, and ...  
JP3965851
To a ready-mixed concrete brought-in from outside with a work equivalent quantity to its placing position without generating a cycle loss time. There are provided a hopper arranged at the stopping position 1 of a concrete mixer truck 6 u...  
JP3967711
To provide a bag body fixing structure for a dam improving workability by fixing airtight bag body and individually fixing a steel door body to a concrete foundation and facilitating detection of the door body height for control operatio...  
JP2007138698
To easily prevent water leakage from the side clearances of a watertight door by sealing the side clearances in conjunction with the rise or fall operation of the watertight doors.The watertight door system is provided with a plurality o...  
JP2007138657
To provide a method for fixing a bag body for a rubber weir by which water leakage from a bottom face of installation can be prevented by improving the airtightness of the installing face part, when the bag body for the rubber weir is in...  
JP2007138450
To provide a corrugation movable weir capable of reducing a construction space and preventing the lowest point in the upper edge of a flexible sheet from getting lower than the lowest point in the upper edge of a rigid plate while it is ...  
JP3964010
To provide a dam construction eliminating submergence in a river main stream, capable of preserving functions such as navigation and water transport originally held with the river main stream as it is, and capable of giving rivalry to co...  
JP2007132129
To provide an economical and convenient high stroke/radial gate requiring little opening/closing power for a river with large depth from the ground surface to the water surface.A radial gate type gate body 1 corresponding to the normal w...  
JP2007132130
To provide a method for waterproofing a water sealing plate for a disaster prevention obstructing no barrier free because a projecting edge is not formed to a water sealing surface and having an excellent waterproofing function.The proje...  
JP3959935
To provide a device and a method for controlling a flow rate capable of stabilizing a system when anomaly occurs with flow regulating equipment such as pumps, valves, and gates installed in a water channel for transporting water between ...  
JP2007126945
To provide a movable wall type dam body capable of positively preventing inundation into a dam when a high tide, a seismic sea wave, or the like strikes in the movable wall type dam body installed at the water's edge and leading water ou...  
JP3956871
To provide a slitted erosion control dam which has a structure that ensures safe work and enables work by large-scale heavy equipment on the downstream side of the dam at the time of renewing the dam, and to provide a method of renewing ...  
JP3958179
To provide a tide revetment/breakwater capable of stably carrying out the closing work of a waterway even under a severe condition like a storm. The tide revetment/breakwater is provided with a pair of fixing foundations 12R, 12L holding...  
JP3958181
To smoothly open/close a water channel, and easily repair/inspect a membrane body. This tide wall/seawall gate comprises a pair of locking foundations 12R and 12L on both sides of the water channel, the membrane body 14 installed across ...  

Matches 801 - 850 out of 5,679