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JP6845908B1 |
To provide a wing expansion excavator and a method for laying a caisson skeleton, which can efficiently excavate hard ground with a kind of excavator, thereby enabling efficient laying of a caisson skeleton. .. A base machine 10 and a bl...
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JP3231090U |
To provide an excavator capable of facilitating transportation of an excavator by rail, ensuring a variety of excavator work, and moving on an easy-to-use orbit. An excavator capable of moving on an orbit, including an excavator main bod...
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JP2021031871A |
To provide a moving device, a power transmission device, and a power transmission system, allowing a mobile device to be charged without connecting a cable to the mobile device.A mobile device 10 is provided with: a charging port 11 in w...
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JP2021031856A |
To solve a problem that a plurality of all of drilling shafts cannot be prevented from being rotated with a driving part as a supporting point as load on the plurality of drilling shafts cannot be supported enough because a part of the p...
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JP6832337B2 |
The invention relates to the field of excavation systems, and more particularly to excavation systems including tools for excavation by electric pulses. An excavation system of the invention comprises a support frame (34), a hydraulic ci...
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JP6827623B1 |
To provide a groove construction device for a construction site having high construction quality and efficiency. A moving table 1 and a guide rail 10 are included, the moving table 1 has a U-shaped plate shape, a mounting table 2 is fixe...
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JP6810181B2 |
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JP6799217B1 |
To disclose an adjustable automatic mud removing device for a river channel which does not pump water. A support box installed symmetrically is included, a mud suction box is installed between the support boxes, a power space is installe...
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JP2020186619A |
To solve the problem that due to such a conventional configuration as to support excavation shafts by a slide contact body brought into slide contact with a wall surface of an excavation hole, a load applied to a plurality of excavation ...
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JP6785060B2 |
To provide a method of forming groove/hole in seabed, which is small in size and easy-to-handle especially suitable for drilling work on a shallow seabed of 1 m or less requiring no drilling vessel equipped with engine pump at a low cost...
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JP2020176373A |
To provide a smaller wire burying device.A wire burying device 10 has a machine body 11, a driving source 12, a horizontal driving shaft 14 driven by the driving source 12, a pair of right and left disks 30 attached to the horizontal dri...
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JP6762947B2 |
A hydraulic apparatus for a construction equipment, such as an excavator, comprising a support structure connected or connectable to a movable arm of the construction equipment and a pair or rotating drums comprising a plurality of teeth...
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JP6738255B2 |
To propose a construction method of an underground continuous wall and a design method of a soil mortar composition to ensure a construction of the underground continuous wall to be carried out with no limit in construction conditions su...
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JP6738410B2 |
The drilling module is also hinged relative to the anchor module, and the drilling machine comprises first path correction means (40) for causing the drilling module to pivot relative to the anchor module about a pivot axis (X) perpendic...
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JP2020117898A |
To provide a mobile device capable of improving a moving speed while enabling a moving on soft ground.A mobile device 1 of the present invention comprises a machine body 2, a movable frame 3 capable of reciprocating in the front-back dir...
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JP6735973B1 |
To disclose a water surface work table for cleaning dust on the bottom of the water. Two floating blocks that provide buoyancy to the device are fixedly installed symmetrically on the left and right sides of the table, including the tabl...
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JP6734917B2 |
A drilling machine for drilling ground in a vertical direction, the machine including: an anchor module having front and rear faces, the anchor module including an anchor device having front and rear anchor pads that are deployable in a ...
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JP6732279B2 |
To provide a riding grooving machine which enables steering by a steering wheel and can stably advance straight without losing the control of the steering wheel easily.A handle stem 22 is rotatably supported on a head tube 31, and a fron...
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JP6725722B2 |
The invention relates to a trench cutter for producing a cut trench in the soil with a cutter frame, at least one pair of cutting wheels which are supported and driven in a rotatable manner on a lower end of the cutter frame, wherein eac...
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JP2020066896A |
To provide a work machine capable of appropriately adjusting the tension of a chain of a trencher and mitigating an impact load due to excavation of a driven wheel and a drive wheel via the chain.In a work machine 1 in which a trencher 1...
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JP2020063559A |
To provide a construction building method affecting natural environment little, being useful for various fields, and allowing a construction period to be shortened when building a construction such as a power line tower at a high altitud...
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JP6675634B2 |
To provide a groove formation device and a grove formation method with which an installation work of an underground irrigation member at both end parts of a farm field can be performed easily.The groove formation device 11 of the present...
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JP6655170B2 |
A drilling machine (10) for making an excavation in ground (S) in a vertical drilling direction (F). The drilling machine (10) includes: a support (12) having a longitudinal direction (L); a drilling module (14) provided with cutter memb...
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JP6655171B2 |
A drilling machine (10) for making an excavation in ground in a drilling direction that is substantially vertical, the drilling machine including: an anchor module (22) having at least one anchor element for preventing the anchor module ...
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JP6651116B2 |
To provide a bucket for groove formation which can form easily and certainly a groove having a T-letter like intersection.The groove-forming part 16 in a bucket for groove formation 11 comprises a pair of side wall forming plates 17 whic...
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JP6647098B2 |
To provide a groove formation device enabling efficient input of a filter material into a groove formed by a groove formation part.A groove formation device includes a groove formation part 13 for forming a groove in a ground while being...
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JP6643998B2 |
The invention provides a trenching apparatus and a method of using a trenching apparatus. The trenching apparatus (100) may include a main body portion (10), trench cutting equipment (50) depending from the main body portion, at least tw...
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JP6640653B2 |
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JP6636999B2 |
The invention relates to a method for producing a slit in the ground by means of a trench cutter having at the bottom end at least one pair of cutting wheels, which are driven in rotation way and ablate soil material to form the slit, an...
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JP6635592B2 |
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JP2020007775A |
To provide an adjustment device capable, when a chain is loosened, of quickly and easily adjusting tension of the chain.A torsion spring 7 is subjected to a screwing rotation performed by an adjustment bolt 6, so as to be twisted, and th...
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JP6627905B2 |
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JP2019214934A |
To reduce the weight and cost and increase the efficiency of the plows, equipment and vessels used in the offshore laying pipe and cable.A BAS plow 400 manufactures a V-shaped trench along a straight route of a pipeline route, and an app...
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JP6619201B2 |
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JP6597868B2 |
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JP6596952B2 |
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JP6596515B2 |
The present invention discloses an extended type subsoiling smash-ridging machine, comprising a machine body, a smash-ridging device, a connection device, a ditching device, a flattening device and a straw returning device, wherein the s...
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JP6591977B2 |
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JP6569248B2 |
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JP2019143316A |
To provide an unmanned spraying system capable of meeting any demand on spraying performance without holding a spray device in front of a surface to be sprayed with a human power of a worker.An unmanned spraying system spraying spray mat...
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JP2019132087A |
To excavate the ground under a cutting edge part of a caisson skeleton, with a simple configuration.An under-cutting edge excavator 40 is an excavator for excavating the ground 2 under a cutting edge part 1b of a cylindrical caisson skel...
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JP2019132086A |
To excavate a ground with a simple configuration.A vertical hole excavation device 20 excavates a ground 2 in a vertical direction and forms excavation holes (first excavation hole 3 and second excavation hole 4). The vertical hole excav...
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JP6546059B2 |
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JP2019112917A |
To provide a buried pipe protection method capable of preventing the buried pipe from deforming in an arc shape after completion of protection work by preventing a part with no connecting member on a side plate from expanding outward, or...
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JP2019112916A |
To provide a buried pipe protection method capable of preventing the buried pipe from deforming after completion of protection work by preventing a part with no connecting member on a side plate from expanding outward, or preventing a lo...
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JP2019113175A |
To provide a structure for protecting a bend joint part for a pipeline which minimizes the number of types of side plate member prepared for protection construction.A side plate 2 is provided with one or more cutout parts as the side pla...
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JP2019104805A |
To provide a filling material capable of completely filling a duct line with sand or the like without pump force feed with using flowability to move coarse particle material and coarse aggregate long distance.A constituting material cons...
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JP6535068B2 |
FIELD: transportation.SUBSTANCE: invention relates to underwater mining. Method of extraction of the base material at the bottom of the reservoir using a device for underwater mining includes installing the device with an immersed workin...
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JP6531503B2 |
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JP6531504B2 |
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