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Patent Searching and Data


Matches 401 - 450 out of 1,366

Document Document Title
WO/1986/002124A1
A permanent signal for controlling the locking of a cable-type sampling apparatus by providing an eclipsable lock comprised of a slide ring (32) which is outwardly slidable along a cylindrical body (33) and is provided with a bolt (34) p...  
WO/1985/004212A1
Apparatus for drilling a bore hole comprises a hammer (3) and a series of dual wall drill tubes (2). The hammer (3) is supplied with compressed air and is for use in applying successive percussive blows to a percussive drill cutting bit ...  
WO/1985/003545A1
Method for drilling with a core drill with reversed flushing. As the core (25) formed by the drill moves inwardly into the drill tube (5), the inner surface (24) ahead of the core is cleaned from debris (55) by a cleaning device (6), whi...  
WO/1980/001413A1
A device for taking samples of bed-rocks from the bottom of deep-water reservoirs is provided with a working member executed as a split casing member (5) having an open bottom and containing inside an envelope (6) breaking under the acti...  
JP2021050489A
【課題】原直径を精度良く維持した状態でコ アを採取することができ、コア変形法を利用 して地盤応力の高精度な評価に繋げること。 【解決手段】坑底3を掘削する内側コア...  
JP2021032077A
To provide a wire line feeding and pulling device having a double hook / double spear structure which performs different operations of a double tube type coring device by a connection method of double hook / double spear control. The fee...  
JPWO2020100203A1
Provided is a core sampling device capable of accurately and reliably measuring the inclination of the core in the section where the core was sampled. The core sampling device is attached to the rod (176) of the boring device (170) to ex...  
JP2020204213A
To prevent a core collected by an inner part from being damaged.A determination system 10 used in a wire line drilling device 100 comprising an outer portion 4 having an outer tube assembly 42 connected to a rod 11 rotationally driven by...  
JP2020200725A
To provide a ground sampling device and a ground sampling method that can reduce a freezing sampling cost by minimizing a frozen range and reducing the amount of coolant, freezing time, coring work, drilling water cooling equipment, and ...  
JP6797383B1
To collect a core in a state where the original diameter is maintained with high accuracy, and to connect to a highly accurate evaluation of ground stress by using a core deformation method. From an inner core barrel 10 having an inner c...  
JP6742007B2
A work apparatus that can collect core samples of a seabed ground at a desired angle in a stable manner includes a body 10, four flippers 30 rotatably disposed at left and right of a front section of the body 10 and at left and right of ...  
JP6725128B2
To provide a drilling system in which enlarged diameter excavation is possible even during regress, and an enlarged diameter unit and a storing pipe can be replaced in the ground.A drilling system includes water filling pressure control ...  
JP6716830B2
To fix this core machine to a work place, and to also execute core drilling operation, by moving the core machine to a work place from a remote place by one operator.In a remote core drilling device, the remote core drilling device is pr...  
JP2020070609A
To provide a double core tube sampler acquirable of orientation information of core.A double core tube sampler acquirable of orientation information of the core according to this invention includes: an orientation confirmation unit fixed...  
JP2020063552A
To sample in extremely precision a core diameter before expanding to be used in core deformation process.A method for sampling core from a bedrock according to the present invention includes the following steps. A step is to drill a bedr...  
JP6685471B1
The core extraction device which can measure certainly the inclination of the core in the section where the core was extracted with sufficient accuracy is provided. The main part of a core extraction device (1) which extracts a core (C) ...  
JP2020059975A
To propose a method for sampling concrete cores from a concrete structure that enables the cores to be sampled in the state available to use in laboratory tests and the like.A method for sampling concrete cores from a concrete structure ...  
JP6675040B1
[Subject] A core barrelhead which can collect certainly inner tubes which extracted a geology sample in a situation excavated in a horizontal direction or the direction of an uphill slope, an inner tube assembly provided with this, and a...  
JP6666278B2
To provide a ground core sampling system allowing a high-quality sampling ground core to be obtained with no need of skill, and a sampling method using the same.A sampling system of the invention is provided with: pressure means 3 which ...  
JP2020029679A
To provide a technology for making it possible to perform a survey of a geographical formation features at the different depth by using one drilling hole or another one located adjacent thereto.An inclined hole 6 is drilled from one dril...  
JP6654452B2
To provide a positioning device of boring equipment in which a horizontal position of a guide tube can satisfactorily be adjusted even if a pore wall of a dry moat hole is fragile or not smooth.Check boring equipment 100 includes: a cyli...  
JP2020012771A
To provide a ground sample sampling method and sampling device that can collect frozen ground samples (frozen soil columns) without coring and with no use of a heavy machine, and can reduce a time and expenditure requiring establishment ...  
JP2019196607A
To provide a rotary type multi-pipe sampler which securely prevents co-rotation of an inner pipe without increasing the number of components and weight, and can collect core samples without disturbing from the ground including hard steel...  
JP6580467B2  
JP6543401B1
[Subject] A double core tube sampler which can acquire direction information on a core is provided. [Means for Solution] A direction check part by which it was fixed to a part for the upper part of an outer tube, and a penetration hole w...  
JP6543104B2  
JP6526875B2  
JP6501648B2  
JP2019023427A
To provide a core collecting device capable of acquiring data for examining the accuracy of a collected core, a boring device using the core collecting device, and a method of collecting a core.A core collecting device is detachable to o...  
JP6461335B2  
JPWO2017146156A1
The device which extracts a core sample from the submarine foundation is provided with four flippers 30 formed in the right and left of the front part of body 10 and body 10, and hind right and left so that rotation was possible, and cor...  
JPWO2017146135A1
The work device which is stabilized and can extract the core sample of the submarine foundation at an angle of a request is provided with four flippers 30 formed in the right and left of the front part of body 10 and body 10, and hind ri...  
JPWO2017146170A1
By digging submarine foundation A by digging pipe 31, circular circular sulcus 50 is formed and cylindrical shape-like geology sample schedule part 51 is formed inside [diameter direction] this circular sulcus 50. Next, extraction pipe 4...  
JP2018197446A
To provide a boring bit and a boring core sampling method capable of reducing chipping of a peripheral corner portion of a boring core to be sampled or reducing a degree of chipping.A boring bit 1 which captures a boring core 6 drilled w...  
JP6433338B2  
JP2018163161A
To provide a sample collecting device capable of collecting certain samples in a plurality of positions differing in a radial direction relative to a rotating shaft at a time.A device includes: a rotating shaft 23 that is inserted into a...  
JP2018145599A
To provide a sampling method of soil samples for quickly lifting frozen soil without cutting work (coring) of the circumference of a frozen soil sample (frozen soil column), and a sampling device.A sampling method of soil samples compris...  
JP6388306B2  
JP2018131737A
To provide a ground core sampling system allowing a high-quality sampling ground core to be obtained with no need of skill, and a sampling method using the same.A sampling system of the invention is provided with: pressure means 3 which ...  
JP6371265B2  
JP6370271B2  
JPWO2017216852A1
It aims at providing an extraction method of a core extraction device which can acquire data for examining accuracy of an extracted core, a boring device using this, and a core. A core extraction device (1) is removable at the end of a r...  
JP2018091124A
To solve a problem in which: in an embankment structure, when a plurality of specimens that are collected in a depth direction as conventional are used, it is impossible to accurately determine soil strength based on Mohr's stress circle...  
JP6322719B2  
JP6309695B2  
JP6307177B2
The invention relates to underwater drilling for procuring and analyzing ground samples of a bed of a body of water. An underwater drilling device placed onto a bed of the body of water. By a drill drive a drill rod composed of at least ...  
JP6296451B2  
JP6288707B2  
JPWO2017130557A1
The boring device used for the detecting method of groundwater and this which detect groundwater correctly is provided performing a geological survey (boring work). While the detecting method of groundwater emits fluid (F) from the core ...  
JP2018009391A
To provide a drilling system in which enlarged diameter excavation is possible even during regress, and an enlarged diameter unit and a storing pipe can be replaced in the ground.A drilling system includes water filling pressure control ...  

Matches 401 - 450 out of 1,366