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JP4926295B1 |
To provide an orientation confirmation device capable of collecting a core having information on an orientation. It is provided with a boring rod fixed to the outer head and having an orientation confirmation mark at the upper end, and a...
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JP2012012928A |
To eliminate a displacement in the direction of a collected core, which is caused by a twist in an inner pipe due to co-rotation with an rotating outer pipe, when it is intended to collect a core with a known direction by use of a double...
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JP2012012919A |
To solve the problem that conventional double-pipe-type sampler devices tend to face sampling anomalies because links between their tip tools for storing cores are likely to loosen, and the devices are also not suitable for collecting co...
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JP3171647U |
To provide a core collecting device capable of easily collecting a core in a reduced state with a simpler and cheaper configuration. In a bubble water generator 2, a core sampling device mixes high-pressure nitrogen gas supplied from a n...
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JP4755389B2 |
The invention relates to a downhole rotary coring device placeable in a drill string and comprising a head section, a motor, and a core barrel having an outer motor comprising a rotor connected to the outer barrel and a stator to the hea...
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JP4714644B2 |
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JP4709034B2 |
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JP4692883B2 |
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JP2011516767T |
A rib which is a device and a method for the seabed, sea bed drilling, a core sampling, and measurement, could move perpendicularly, and was fixed horizontally, It drives by winch which is fixed to a rib and provided with a rope, drill h...
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JP2011516767A |
A device and a method for seabed and water bottom drilling, core sampling and measuring, include a vertically movable and horizontally fixed cross beam, a winch fixed to the cross beam and having a rope wound thereon, a drill head dispos...
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JP4677330B2 |
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JP3166383U |
To provide a specimen collecting device capable of cutting a core from a surface layer to a roadbed or a surface layer to a part of a roadbed in a state where disturbance is suppressed by a simple device. A cylindrical outer tube to whic...
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JP2011036819A |
To solve a problem in which cleaning performance adaptability of a cleaning agent can not be carried out heretofore under the same conditions as in a treatment target place, while the effect of the cleaning agent to be added for microorg...
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JP4627505B2 |
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JP4625293B2 |
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JP4609783B1 |
To collect cores whose orientation is known at the same time as collecting continuous cores which do not disturb the ground in ground survey boring. An outer tube 4 having a bit 5 for performing rotary cutting at a tip and an inner tube ...
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JP4611112B2 |
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JP4600845B2 |
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JP4566948B2 |
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JP2010189838A |
To provide a method for determining a ground condition that can scrupulously and accurately acquire the condition of the ground without disturbing a condition when collecting a sample obtained by boring.The method for determining the gro...
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JP4485378B2 |
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JP4488573B2 |
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JP4482775B2 |
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JP4478351B2 |
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JP4456896B2 |
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JP4426687B2 |
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JP4426677B2 |
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JP4426676B2 |
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JP4426688B2 |
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JP4421516B2 |
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JP4410808B2 |
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JP4394545B2 |
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JP4342241B2 |
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JP4317600B2 |
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JP4303845B2 |
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JP4230231B2 |
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JP2008255675A |
To provide an auxiliary tool for an undisturbed sample collecting apparatus, which contributes to improvement in sampling ability and reduction of man power.The auxiliary tool for the undisturbed sample collecting apparatus is formed of:...
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JP4164439B2 |
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JP2008240494A |
To provide a cylindrical sampling device for a soil test, operable by manpower without using a special auxiliary tool, and capable of easily sampling even a block in the unconsolidated natural ground.By arranging a handle 2 for pushing i...
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JP4162124B2 |
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JP4149673B2 |
An apparatus for taking a soil sample includes a drill pipe, a first driving gear for introducing the drill pipe into the soil, a sampling bush which movably fits into the drill pipe and a second driving gear for introducing the sampling...
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JP4113456B2 |
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JP3142944U |
To collect a core for soft rock by selectively attaching only a bit to an outer pipe for excavating hard rock and for excavating soft rock without changing the core taking-in means used for hard rock. A core sampling device that enables ...
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JP4091716B2 |
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JP4078030B2 |
A method of acquiring a core sample of seabed material into a core sampling tube having an upper end, a lower open end and a substantially cylindrical chamber extending therebetween, comprising the steps of urging the core sampling tube ...
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JP4079277B2 |
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JP4081452B2 |
Disclosed herein is a method of coring a crustal core sample, which comprises using a crustal core sampler equipped with a flow-able coating material-ejecting mechanism for ejecting a flow-able coating material, and ejecting the flow-abl...
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JP4080274B2 |
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JP4057371B2 |
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JP4041288B2 |
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