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Patent Searching and Data


Matches 801 - 850 out of 13,782

Document Document Title
JP3178608U  
JP5023236B1  
JP5025740B2  
JP5024943B2  
JP2012172423A
To prevent door body blocks on a front end side from floating due to minor flooding and eliminate hindrance to the passage of pedestrians and vehicles.A floating body connection type flap gate 11 of a door body is constructed such that a...  
JP2012172312A
To surely distribute water to a trunk water channel side and a branch water channel side by a fixed diversion ratio independent of rotational irrigation by means similar to the one for the time of calm water even during drought time.A di...  
JP2012167489A
To enhance reactivity of a door body and enable raising/falling operation of the door body to be performed even if a part of a push-up machine is damaged, in a shutter weir.A widely-used inexpensive rubber tube 21 is used for each push-u...  
JP2012167420A
To provide a watertight structure between a door body and a sidewall most suitable for a floating body connected flap gate.A floating body connected flap gate 11 has a door body 12 composed of a plurality of door body blocks 12a to 12c w...  
JP2012164215A
To estimate the cause, place, and scale of abnormality of water supply facilities by speedily grasping the abnormality in real time at a central monitoring center without visiting a site.Water gauges 10 are installed along a water channe...  
JP2012158925A
To provide a flap gate which is hardly affected by hydraulic pressure of waves, suitable for installation at an oceanfront such as a beach and a harbor.A door stop 5 having a sleeve 9 which communicates with the water outlet of a conduit...  
JP2012158970A
To prevent a method for preventing flooding and submersion of a peripheral region caused by the increase of a flow rate of rivers and water channels by heavy rainfall, increase of a water level, and overflow from the rivers and the water...  
JP2012158924A
To provide a flap gate which can be directly mounted in a heavy-pressure pipe which has flat portions at the upper part and the lower part, a curved side surface part and a double chamfered shape.Upper and lower doorstop members 8 and 9 ...  
JP5007553B2  
JP5005244B2  
JP5004303B2  
JP3177763U  
JP3177749U  
JP2012152724A
To provide an assembly type water stop device capable of being installed in a sewage flow channel for blocking only inflow of sewage into a sewage treatment tank or the sewage flow channel at a part to be inspected, maintained, and repai...  
JP2012154079A
To control a water intake amount when taking water from a river, a pond or a lake.The present invention is a water intake structure which comprises: a water storage section 10 where water to be an intake source is stored; a flow channel ...  
JP2012152687A
To facilitate construction work of a water-shielding sheet; to secure performance with respect to water shielding on a surface to be shielded from water; and to achieve improvement of the lifetime.A narrow second water-shielding sheet 7(...  
JP5001660B2  
JP4998688B2  
JP4999629B2  
JP5002715B2  
JP4999657B2  
JP2012149481A
To prevent water leakage by preventing a door structure from being deformed by sunshine.A roller gate includes at least a pair of column structures 2, a door structure 3, and a lifting device 4. At a river 8 on the upstream side of the d...  
JP2012144970A
To provide a device and method for efficiently accumulating dam sediment.In the dam sediment accumulating method, a winch 3 installed on a land imparts moving force to an accumulator 1 formed of a long steel material to slide along the l...  
JP2012144867A
To provide a collective outlet to be installed to ground where sediment of a check dam is to be deposited, which is easily installed, does not easily cause clogging and inflow of the sediment, and is capable of efficiently taking rainwat...  
JP2012144018A
To provide a method for forming an aperture in a concrete structure by which an aperture can be formed with high accuracy and with ease regardless of a scale or the like of the concrete structure.The method for forming the aperture in th...  
JP4989032B2  
JP2012140840A
To provide a flap gate which prevents fall of a protective sheet or a bag body at low material, processing, and manufacturing costs, even for a high water pressure application such as use in an overflow weir for water level adjustment of...  
JP4987751B2  
JP4987750B2  
JP2012136871A
To provide a sluice gate capable of easily performing flow control for a low flow rate when the sluice gate is used for the flow control for a water way.A sluice gate 1 comprises: a door stop 3 which is installed in a water way and which...  
JP2012136839A
To make it possible for a tip-side door-body block to start lifting before the standing-up moment due to water pressure applied to the tip-side door-body block reaching or exceeding the falling-down moment due to weight of the tip-side d...  
JP2012136825A
To provide a flap gate with a pivotal structure to a door body that can easily swing even in a small inside and outside water level difference, performs inner water discharge and closing of an opening end advantageously and that can be p...  
JP2012136827A
To provide a bearing structure of a gate installed in a waterway, which allows a door body to easily oscillate even when the difference of water height between the inside and the outside is small and to also rotate at a large rotation an...  
JP2012136856A
To effectively prevent the adhesion of aquatic organisms to a structure without depending on manual work.An organism adhesion preventing device includes an ultrasonic oscillation unit 16 for irradiating an adhered-material-to-be-removed ...  
JP4979797B2  
JP4977240B2  
JP4979266B2  
JP2012132223A
To provide an erection/fall-down gate capable of substantially reducing a manufacturing cost of a bag body by using an inexpensive low pressure resistance sheet at a part where pressure resistance strength can be low.The erection/fall-do...  
JP4972872B2  
JP3176786U  
JP2012127073A
To provide a water intake control method and device capable of easily and quickly executing water intake control from a dam to a hydraulic power plant.The water intake control method of this invention is for controlling water intake to a...  
JP2012127092A
To provide a lifting gate and a manufacturing method of a bag body of the lifting gate to be advantageous in terms of costs as well by achieving merits of multiple bags by a single bag.The lifting gate includes a door body 5 supported at...  
JP4970202B2  
JP4969038B2  
JP4966556B2  
JP2012122246A
To provide a derricking gate for preventing intrusion of flowing water, which remarkably improves reliability of a derricking motion by a non-powered system, and which dispenses with an increase in pressure resistance of a lateral watert...  

Matches 801 - 850 out of 13,782