Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 1,366

Document Document Title
JP2007132058A
To provide a sampling method and sampling equipment which are suitable for the collection of a sampling from the ground etc.The sampling equipment 10 enables a sampling pipe 11 to penetrate a sampling area 1 in which the sampling is coll...  
JP3914248B1
[Subject] By avoiding pouring of the muddy water to the foundation, and air bubbles, the 土質 sample sampler which eliminated the influence of the circumference foundation on a subterranean hole as much as possible is obtained. [Soluti...  
JP3913930B2
To allow to take an unhardened sample of improved soil quickly, definitely and easily as it is without compressing from a predetermined position immediately after the work with an apparatus of a relatively simple configuration when takin...  
JP2007070870A
To provide a ground surveying method of efficiently carrying out ground strength measurement and core collection, and to provide a ground surveying apparatus.The ground surveying method using a rotary percussion drill is carried out by e...  
JP2007056607A
To provide a simply structured trigger device used in a place where it is difficult for a person to work, by which a trouble is hardly caused and misoperation can be prevented.The trigger device comprises a cylindrical container 2 one en...  
JP3129742U
[Subject] In soil pollution investigation drilling, a soil sample can be easily taken out from a sampling tube of a cylindrical long picture, a state can be observed, and a core extraction device which washing can carry out certainly and...  
JP2007039998A
To provide a sampler for investigating soil contamination having no possibility of outflow of sediment even when water is supplied to the distal end.This sampler comprises an outer tube, a first head threaded to the upper end of the oute...  
JP3914248B2
To obtain a soil sampler which eliminates the influence on a peripheral ground of an underground hole as much as possible by preventing the inflow of muddy water and bubbles into the ground. The soil sampler 1 consists of a rotary-type o...  
JP2006336435A
To provide a temperature gradient addition type core holder device and a component analysis method using the device having an effective temperature control mechanism in the device adding a temperature gradient covering from low temperatu...  
JP2006328637A
To provide an advanced double core tube sampler capable of increasing the excavating rate of a core ring to enable an efficient core ring by solving problems in a conventional double core tube sampler.This advance double core tube sample...  
JP2006322141A
To provide a sampling device with little disturbance capable of easily sampling a sample with little disturbance at a cutting face of a tunnel.The sampling device with little disturbance is equipped with the front outer pipe 1 excavating...  
JP2006291571A
To protect the wall of a hole by installing a casing at the same time as a sampler excavating operation is performed.A core tube 2 and a boring rod 4 are inserted into the casing 1, and the casing 1 and the boring rod 4 are integrally co...  
JP3832605B2
To provide a sampler that can positively extract a sample of the weak ground without needing a large-scare attachment. An intermediate tube 34 is arranged at the lower part of a core tube 16, and both tubes are connected to each other by...  
JP2006219944A
To propose an earth collector which more reliably holds soil samples collected in a sampler and makes available accurate soil samples with a simple construction.The earth collector 1 includes a tubular sampler 2 that consists of split pi...  
JP3803338B2
To attain an increased efficiency of work and the maintenance of a hole wall by using a submerged type boring machine in the sea bottom and adapting a wire line system. This wire line core sampling device uses a boring rod held by the ch...  
JP3799699B2
To solve the defect of slipping-off from a set place of a core inner tube assembly that in an conventional art, a latch is closed by a maloperation by vibrations during excavation and excess back-flow water during excavation works after ...  
JP3793763B2
To provide a structure capable of certainly picking the soil sample in the whole layer into which a soil sample picking device is pressed without causing disturbance. A plurality of hollow short cylindrical sample picking pipes 3a-3h are...  
JP3785340B2
To integrally take the whole body of a core including its front end in an inner tube by releasing the core from a state where the front end of the core is pinched by means of a core lifter. The core 10 is made to enter into the inner tub...  
JP3781208B2
To provide a tube assembly for collecting good cores (samples) not stirred at all times by forming a slit in the axial direction of an inner tube having the inner dia. whose size is the same as the inner dia, and forming a chamfered part...  
JP3772880B2
To provide a vertical direction water permeability test device equipped with an intrusion distance decision mechanism of an unagitated sample taken in. The intrusion distance decision mechanism provided with an intrusion distance decisio...  
JP3772218B2
To perform work, wherein a soil sample penetrating into a soil sampling tube is gathered by making the soil sampling tube penetrate into soil by a predetermined depth and pulling it out, in a labor-saving manner by man power. A handle ha...  
JP2006105730A
To sample an excellent large soil core, by minimizing run-out when rotating a drill blade, without selecting a kind of tractor to be connected.This large undisturbed soil core sampling device is composed of a vertically movable lift part...  
JP3765093B2
To simplify the structure of a wire line unit, by fitting loosely a piston provided in a core barrel head of a recessed part provided in a guide coupling and confirming the set condition. This set confirmation device is constituted of a ...  
JP3765091B2
To provide an overshot for use with a wire line sampler which is easy to unlatch, when drilling the ground with a boring machine and sampling a sample core. A main shaft 44 resiliently energized via a cylinder body 43 and a compression c...  
JP2006070619A
To provide a core sampling boring method superior in deoxidation efficiency more than a conventional oxygen free water generating system, and including inert gas of the optional mixing ratio in response to a sampling-boring advancing con...  
JP2006070661A
To provide a tip driving type boring device for restraining disturbance on a sampled specimen disturbed when the pressure water used for the power for a drive mechanism is supplied to a bit as a drilling water scouring the clay content o...  
JP2006070618A
To provide a core processing method for performing the whole operation on a work deck for treating a core tube for storing a core without interrupting an oxygen free state.The core tube is temporarily packed under oxygen free water store...  
JP2006045932A
To provide a joint for an excavating pipe of soil sampling equipment, which can facilitate the connection and disassembly of a connecting pipe constituting the excavating pipe of the soil sampling equipment.This joint is equipped with an...  
JP2006045872A
To provide soil sampling equipment capable of simplifying a constitution.This soil sampling equipment comprises: a cylindrical excavating pipe 13 with both opened ends 11 and 12; an excavating blade 14 which is provided along an outer pe...  
JP3733492B2
To shorten a freezing time by a method wherein an auxiliary freezing means is juxtaposed together with a freezing pipe up to a required depth section from the lower-end site of a guide pipe to a lower section, a refrigerant is circulated...  
JP2005325577A
To collect a soil sample with an arbitrary length till a necessary depth without recovering a core tube of a sampler on the ground.A top end bit 3, the core tube 2, and a coupling head 5 are screwed to the sampler 1. The core tube 2 is s...  
JP2005240308A
To provide a method of extracting a crustal core sample, and a flowable covering material for crustal core sample extraction for positively extracting the crustal core sample in an uncontaminated state.In this method of extracting the cr...  
JP3676292B2
To provide a core-sampling apparatus of a double-tube structure for use in geological survey, which has its upper-stage tube of an inner pipe divided into half bodies, but maintains the cylindrical shape of the half bodies during core-sa...  
JP3676279B2
To provide a core sampling apparatus which is constructed such that fluid flowing through a fluid passage is discharged to an area other than a coring area before core enters an inner pipe. The core sampling apparatus is constructed in t...  
JP2005155108A
To provide a safe and efficient core sampling method of the sea bottom ground for reducing a piloting burden and cost.This core sampling method comprises a process of seating and arranging a sea bottom core sampling device on the sea bot...  
JP2005155109A
To provide an undersea core sampling device, a method and an undersea seated boring machine capable of increasing reliability of the undersea core sampling, safety, efficiency and economic efficiency.In order to sample a sample of the un...  
JP2005139862A
To provide a vertical direction water permeability test device equipped with an intrusion distance decision mechanism of an unagitated sample taken in.The intrusion distance decision mechanism provided with an intrusion distance decision...  
JP3648641B2
PURPOSE: To fulfill a function as a function as a guide tube, and prevent the separation of the guide tube from ground by circulating a coolant through a freezing tube for freezing the ground, and inserting a core tube for collecting the...  
JP2005113383A
To provide an improved double-core tube sampler which enables efficient coring.In this double-core tube sampler, a drain hole (12c) for discharging water, supplied in excavation, to the outside is provided in a side wall slightly above t...  
JP2005083001A
To attain an increased efficiency of work and the maintenance of a hole wall by using a submerged type boring machine in the sea bottom and adapting a wire line system.This wire line core sampling device uses a boring rod held by the chu...  
JP2005082998A
To provide a soil sampling device, which can facilitate collection in a narrow place without generating a large noise or vibration, precisely discriminate and collect the soil in a surface layer and the soil in a place having a large dep...  
JP2005060955A
To provide a sampler in the ground capable of efficiently and accurately investigating a state of contamination.The sampler 1 in the ground approximately comprises a hollow cylindrical boring pipe 2 and a sampling attachment 3 provided t...  
JP2005061946A
To enhance work efficiency in a sampler for core collection.A tube body 11 is rotated while being supplied with a fluid such as water or air. A screw-shaped impeller 12 of a vibration generator 14 is rotated by the fluid supplied by the ...  
JP2005036570A
To provide a point penetration testing method using a dynamic cone penetration testing machine and a penetration testing machine used for the method capable of measuring N-value of more accurate ground in a state to have no circumferenti...  
JP2005036405A
To perform work, wherein a soil sample penetrating into a soil sampling tube is gathered by making the soil sampling tube penetrate into soil by a predetermined depth and pulling it out, in a labor-saving manner by man power.A handle ham...  
JP2005030196A
To provide a crustal core sampling device capable of collecting a crustal core sample in the state of being coated with an uncontaminated fluid coating material and a collection method for the crustal core sample using the crustal core s...  
JP2005017105A
To provide a structure capable of certainly picking the soil sample in the whole layer into which a soil sample picking device is pressed without causing disturbance.A plurality of hollow short cylindrical sample picking pipes 3a-3h are ...  
JP3602069B2  
JP2004339840A
To simultaneously collect soil samples at two places in a surface layer and a deep layer by using a structurally simple device.A core tube 1 for the surface layer is fixed to an outside holder 32 by means of a chuck 5. A core tube 2 for ...  
JP2004332206A
To provide a core sampling boring system being more economical than a temperature-elevating deaerating system and having a deaeration efficiency more excellent than it, and to provide a deoxidized-water formation device and a core sampli...  

Matches 601 - 650 out of 1,366