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JP5890404B2 |
A system for seafloor mining. A seafloor auxiliary mining tool works a seafloor site to prepare a bench, and deposits cut ore in a gathering area. A seafloor bulk mining tool undertakes production cutting of a bench and deposits cut ore ...
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JP2016503846A |
Submarine plows that can be released and recovered across the stern can be used in either debris removal, trench digging and backfill modes. In the debris removal mode, the plow uses its skid in a configuration in which the plow continue...
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JP5814081B2 |
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JP5815747B2 |
A movable processing apparatus (1) for mineral material processing comprises a movable frame (2) and a side conveyor (4) which is attached to the frame and a pivot joint (13) for the side conveyor which pivot joint is attached between th...
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JP5814082B2 |
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JP5807941B1 |
To form an attachment having a simple structure in which a claw portion and a wing portion are arranged side by side on the left and right, and to form a groove or an underdrain which is difficult to block and to improve the soil quality...
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JP2015532370A |
A fluid hammer device for excavators with at least one ripper (1) and an energy accumulator (4). The energy accumulator (4) is provided on the longitudinal shaft of the ripper (1) and is integrally connected to the ripper (1). The longit...
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JP3200744U |
To provide an underwater chamber for dredging which efficiently performs dredging work by moving the water surface back and forth and left and right or rotating 360 °. A dredging underwater chamber 1 is suspended from a guide rail 6 att...
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JP5802026B2 |
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JP3200304U |
To provide an earth and sand overflow prevention device which reduces the labor and labor required for removal and cleaning in excavation work and backfilling work, and simplifies the work of measuring the excavation depth from the origi...
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JP5795020B2 |
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JP5793362B2 |
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JP5782355B2 |
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JP3199765U |
To provide an excavation shaft used in a multi-axis excavator in which a plurality of excavation shafts having an excavation head at a tip are connected to a drive mechanism downward, and the excavation shaft is a cylindrical body when h...
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JP5763254B1 |
To provide a means capable of effectively preventing damage to a buried pipe by preventing liquefaction of the ground around the buried pipe or a cushion material for the buried pipe when an earthquake occurs. .. A cushion material 4 for...
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JP5754581B2 |
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JP5749117B2 |
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JP2015101831A |
To provide an excavating machine configured such that two or more excavating claws connected annularly are continuously inserted into the ground so as to draw a circular arc and pulled up, and thereby the soil in the ground is scraped ou...
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JP5729960B2 |
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JP5728747B1 |
To rise due to liquefaction of a ground having a non-liquefaction layer such as a gravel layer on the surface layer, or an existing buried pipe such as a gas pipe laid in the ground whose surface layer is covered with asphalt pavement or...
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JP5711391B2 |
The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement (2) for making a trench (5) in the ground, a consolidation and laying means (3) being arrange...
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JP3197197U |
To provide a high-strength concrete dismantling hydraulic excavator capable of attaching an attachment of the same class and capable of crushing concrete at a construction site more efficiently than ever before. Compared to a standard hy...
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JP5695773B2 |
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JP5698315B2 |
The cutting wheel (10) has a drum-shaped base portion that is fixed on outer circumference in circumferential row (14) of holders (30). The cutting tools are provided for the removal of soil. The circumferential row and cutting teeth (50...
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JP2015045126A |
To provide an agricultural working car which is easily returned to a former direction of travel even when the working car is shifted on either left or right side with respect to the direction of travel.An agricultural working car is prov...
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JP5681986B2 |
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JP3195840U |
To prevent the entire multi-axis from being twisted by rotation when excavating by simply adding a simple device which does not take up space even when the excavation shaft becomes long due to addition or the like, and if the excavation ...
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JP5663408B2 |
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JP5662842B2 |
To provide an introduction device 10 with a simple structure and enabling easy work, which can introduce a traveling vehicle 20 and others even into pipe conduits 41 which are connected to one manhole 40 in a state of having different he...
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JP2015017464A |
To precisely detect an opening position of a bucket without using any large-scale flowmeter.A clamshell bucket 11 which connects a frame 12 and buckets 13, 14 to each other through working hydraulic cylinders 17, 18 is provided with an o...
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JP5646268B2 |
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JP5643048B2 |
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JP5643594B2 |
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JP5642813B2 |
The soil material is removed to form a slot (58) in the ground (64), and a hardenable material is introduced into the slot to form a slotted wall element. Two cables (26) are tensioned between the erosion apparatus (30) and a support dev...
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JP5643049B2 |
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JP2014532130A |
The ripper tip includes a front end, a rear end, and a mounting cavity that extends to the rear end. The ripper tip further includes an upper surface extending between the front and rear ends, a portion of the upper surface at the rear e...
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JP5627999B2 |
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JP5618201B2 |
To provide a lifting jig for a prefabricated manhole, capable of eliminating various kinds of work of an operator on a top wall of the prefabricated manhole and eliminating the risk that the operator falls down from the prefabricated man...
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JP2014528524A |
A method of recovering sediment from the seabed. It is a method of collecting sediment from the seabed ground using a surface vessel (20) and a first suction vehicle and a second suction vehicle (27:30). The surface vessel is not connect...
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JP5612980B2 |
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JP5611148B2 |
To provide a shear reinforcement method with which construction within a limited construction space is enabled and shear resistance of an existent reinforced concrete member can be improved easily and at low cost, and an auxiliary device...
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JP2014194115A |
To provide a forest work machine with crawlers in which work efficiency can be improved by providing fall prevention by keeping a platform, including a cabin and a boom, level when forest work on a slope is performed.In a crawler type fo...
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JP5602929B1 |
[Subject] Motor grader provided with a ripper device of motor grader which can transmit power required for a ripper device efficiently also in the case of 1 cylinder, and this is provided. [Means for Solution] This ripper device 8 is wit...
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JP2014186019A |
To provide a topsoil removing device that can efficiently remove the topsoil of a paddy field for decontamination.A topsoil removing device 100 runs on a pair of parallel rails R. The topsoil removing device 100 has a body 110 whose bott...
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JP5596529B2 |
To provide an attaching structure of reinforcement bars for strengthening, capable of smoothly arranging the reinforcement bar for strengthening in the vertical direction at a prescribed pitch to a vertical slit for bar arrangement forme...
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JP5592623B2 |
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JP5580265B2 |
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JP5575970B1 |
[Subject] it is [that make a conveyor device unnecessary, simplify structure, carry out a weight saving sharply, and enable an increase of loading capacity of canal material sharply, and also there are various delivery vehicles, and] des...
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JP5565964B2 |
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JP5550964B2 |
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