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Patent Searching and Data


Matches 801 - 850 out of 5,695

Document Document Title
JP2008106461A
To provide a constitutionally simple flush gate which dispenses with external power such as hydraulic pressure and electric power under abnormal conditions, and which can be maintained without involving a risk.This flush gate is equipped...  
JP2008106498A
To provide a propping-up member between wall faces of both of opposing side wall parts on the downstream side of a guide channel in a water way to give the force for pressing against the wall faces by the propping-up force.A plurality of...  
JP2008095420A
To easily and positively prevent erroneous discharge.In a control device 1 mainly used for dam control, a control operation part 2 performs operation for determining the discharge amount of a dam 3, and a transmitting part 4 transmits th...  
JP2008095332A
To provide a levee widening/raising construction method for achieving excellent transportation property and construction property and creating satisfactory environment by use of a steel framework member and materials obtained at site suc...  
JP2008095283A
To provide a flush gate which enables small-diameter foreign matter to flow down to a downstream side, while preventing block-like foreign matter from being caught in an opening during flushing.This flush gate is equipped with a valve bo...  
JP2008095282A
To provide a flushing gate in which a valve element is stably operated for flushing by eliminating the inconvenience that foreign matter is deposited on the valve element near a seal member or on the seal member during the flushing.This ...  
JP2008095330A
To provide a work caisson for temporary cofferdam capable of dispensing with underwater work for long hours in great depth under the water such as placing underwater concrete.This work caisson 1 for temporary cofferdam is constituted in ...  
JP2008088791A
To provide a flood protection device capable of quickly and surely intercepting infiltration of water with easy placement of a waterproof sheet and low in cost with simple structure.The flood protection device with the edged waterproof s...  
JP2008081961A
To provide a construction method for a concrete dam capable of shortening a term of construction work.In this construction method, a concrete layer is formed by heaping up concrete at ST02, RCD construction is performed at ST03, and lait...  
JP2008082147A
To provide an asphalt finisher and an asphalt paving method using the asphalt finisher capable of enhancing an adhesive property to a base face and/or an existing asphalt pavement by using the small number of construction facilities.The ...  
JP2008082163A
To provide a water-intake device having the function of voluntarily selecting a water-intake position of released water.The gate-less water-intake device is provided with a plurality of siphon water passages used for taking in water in a...  
JP2008075284A
To provide measures against turbid water, appropriate for a flood control dam.The quantity of water not disturbing a sedimentation area 13 even if the water flows into the sedimentation area 13 is called a small quantity of water. In thi...  
JP2008076117A
To provide an evaluating method of an outer deformation of a dam, which evaluates the outer deformation level of a dam quickly and precisely after occurrence of an earthquake.An evaluation method of the outer deformation level of a dam i...  
JP2008075384A
To remove deposit sediment of the water bottom over a wide range, by stably and smoothly moving a sediment transfer pipe in parallel in a traction type.This water bottom sediment removing device is constituted so that a duplex tube 10 is...  
JP2008075387A
To form a greening wall surface by excellently matching a front wall of an erosion control dam developed in forest land with trees around the dam according to aging of the dam, without the sense of discomfort.According to a method of con...  
JP2008063820A
To provide a structure of a flap gate capable of reducing manufacturing cost and being easily handled when conveying it up to a construction site and mounting it.This structure of the flap gate 11 for preventing back flow having an upper...  
JP2008057311A
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...  
JP2008057266A
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...  
JP2008050747A
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...  
JP2008050767A
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...  
JP2008050770A
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...  
JP2008050761A
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...  
JP2008045312A
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...  
JP2008045348A
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...  
JP2008038474A
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...  
JP2008038598A
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...  
JP2008038565A
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...  
JP2008040354A
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...  
JP2008025168A
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...  
JP2008025169A
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...  
JP2008026139A
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...  
JP2008025293A
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...  
JP2008013979A
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...  
JP2008014051A
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...  
JP2008002265A
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...  
JP2007186959A
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 ...  
JP2007186945A
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...  
JP2007186937A
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...  
JP2007177467A
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...  
JP2007170156A
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...  
JP2007169910A
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...  
JP2007170163A
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...  
JP2007170112A
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...  
JP2007162339A
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...  
JP2007162238A
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...  
JP2007160261A
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...  
JP2007160855A
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 ...  
JP2007152795A
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...  
JP2007146609A
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...  
JP2007146492A
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...  

Matches 801 - 850 out of 5,695