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JP2008223321A |
To solve the problem wherein it is difficult to construct an earth retaining simply and inexpensively without the reinforcing work usually in a small residential lot for a private house.This multishaft auger machine 7 is constituted by p...
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JP2008208599A |
To provide an auger device capable of preventing a following auger device from colliding against a core member of a preceding element and not only reducing vibration and noise but also improving efficiency of excavation and precision of ...
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JP4146579B2 |
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JP2008202219A |
To provide a construction method for preventing the lift of an underground structure, which can make an occupied area of a road small, and which can reduce construction costs.This construction method for preventing the lift of the underg...
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JP4145184B2 |
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JP4134288B2 |
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JP4131511B2 |
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JP4121305B2 |
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JP4121038B1 |
To provide a working vehicle for an inclined plane, a working facility for the inclined plane and a method for hanging down the working vehicle for the inclined plane capable of preventing the working vehicle for the inclined plane from ...
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JP4113540B2 |
The wheel has a milling cutter hub (10) and milling cutter sprocket holders (20, 20`, 20``) arranged radially at an exterior of the hub. Mixing impellers (40, 40`, 40``) are provided at the exterior of the hub. The impellers project on b...
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JP4111898B2 |
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JP4109203B2 |
The milling apparatus ( 1 ) has a bucket with a receiving chamber and has a milling unit with a milling rotor ( 14 ). The receiving chamber has a receiving opening ( 4 ) and is embodied as a bucket ( 2 ). On the bottom of the bucket ( 2 ...
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JP4112975B2 |
Trenching apparatus comprises a cutting device, preferably an endless chain cutter, mounted on a prime mover for positioning the cutting device in a trench with the prime mover movable on the ground surface above the level of the trench....
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JP4109687B2 |
The cutter (1) has lower and upper cutting/mixing wheels (22,32) arranged at the bottom and top of a frame (10) respectively. An intermediate portion of the frame is set between the wheels and is formed with smaller cross-section relativ...
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JP4111264B2 |
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JP4107529B2 |
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JP4104453B2 |
To provide the reinforcement structure for a rectangular sectional underground structure and its reinforcement method, in which large-scale construction works are not required for reinforcing the existing rectangular sectional undergroun...
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JP4090369B2 |
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JP4090598B2 |
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JP4087607B2 |
The implement consists of a body, at least one hydraulic motor (50) with a horizontal output shaft and a cylindrical housing, cutters (40) on a cylindrical rim (56) surrounding the motor, and a transmission system between the motor and c...
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JP4087794B2 |
Trenching apparatus comprises a cutting device (23), preferably an endless chain cutter, mounted on a prime mover (21) for positioning the cutting device in a trench (18) with the prime mover movable on the ground surface (22) above the ...
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JP4084868B2 |
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JP4081629B2 |
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JP4084668B2 |
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JP2008095276A |
To secure the quality of a continuous underground wall by eliminating a discontinuous portion when the continuous underground wall is formed and suppress the cost by eliminating the need of additional works by providing an excavator capa...
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JP4076096B2 |
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JP4072686B2 |
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JP4074295B2 |
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JP4072019B2 |
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JP2008063749A |
To provide a technology for freely carrying out gradient construction of a drain culvert according to needs without needing skill because an operator's operation is extremely simple.This drain culvert forming system comprises a laser bea...
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JP4063980B2 |
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JP2008506871A |
An indicator device is used for locating an underground object, for example an underground pipeline, prior to surrounding excavation by a bucket excavator. The device generally comprises a panel member buried in the ground directly above...
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JP4054763B2 |
It comprises two opposite, vertical trays (1), whereof one is equipped with pallets (2) used to hold cables or conduits whilst the other has supports (26) whereon a plurality of hinged lids (15) can rest. The latter are connected to the ...
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JP4049306B2 |
To provide a method of submerging an underground structure enabling an easy sinking operation. A trench 2 filled with a stabilizer fluid B is formed by digging the ground G as the stabilizer fluid B is supplied. The underground structure...
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JP4049825B2 |
An ejector mechanism operates to force silt material from individual chambers in a rotating wheel of a silt removal machine. The rotating wheel removes the silt material from under a shallow body of water by collecting it in individual c...
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JP4048743B2 |
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JP4046725B2 |
The tooth (10) includes a pivot bearing (12) which pivotally supports a pivot pin on a cutting wheel hub. A cutting tooth support (20) and a steering arm (30) extend from the pivot bearing, to opposite directions. The pivot bearing, the ...
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JP4046737B2 |
Cutter (10) comprises at least two cutting wheels (12, 14) or cutting wheel pairs with offset axes of rotation (16, 18), and a drive motor commonly driving the cutting wheels/cutting wheel pairs via a gear arrangement (30). Preferred Fea...
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JP4046872B2 |
The machine (1) to set the condition of ballast, in a railway permanent way, has a non-contact sensor (29) in front of the ballast plow (20) in the direction of travel, to determine the actual ballast profile along the rails or the lengt...
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JP4043129B2 |
To exchange a buried pipe without injuring a newly laying pipe by crushing an existing pipe buried in the earth while spreading the pipe, and drawing a newly laying pipe connected to a crushing means in crushed traces under the condition...
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JP4043621B2 |
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JP4043525B2 |
An overload protector mechanism provides protection for an excavating wheel shield mechanism so that if a large foreign object becomes lodged between the excavating wheel and a portion of the shield arrangement the shield mechanism can m...
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JP2008019709A |
To install a underground continuous wall in the ground where an obstacle is contained with the obstacle remained in the ground.The underground continuous wall cutter 10 is provided with a frame 13 having a linear excavation connection pa...
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JP4032109B2 |
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JP2008002238A |
To provide a column row kneading device and a column row wall construction method, for enhancing construction efficiency, while securing water cut-off performance.An auger kneading device forms a column row kneading wall in a state of su...
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JP4029484B2 |
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JP4026941B2 |
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JP4028803B2 |
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JP4028792B2 |
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JP4023876B2 |
An apparatus controls the movement of a ripper for a machine. Tilt and lift cylinders controllably actuate the ripper. Hydraulic control valves control the flow of hydraulic fluid to the respective cylinder. An auto-return button produce...
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