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Class 299/1.3 - Of tunneling apparatus having a wall temporary support


Subclass of Class 299 - Mining or in situ disintegration of hard material
Definition: Process or apparatus where a subterranean corridor is formed
No. of patents: 45
Last issue date: 01/26/2010


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NumberTitleIssue Date
7651170Bore head for microbore operation
Boring apparatus for drilling laser guided microbore tunnels uses a liquid stream to remove soil as slurry and an airstream to conduct the slurry away from the bore head. The cylindrical head houses a drill shaft steered by a pair of remotely controlled rams accordi...
01/26/2010
7191829Gripper assembly for downhole tools
A gripper assembly for anchoring a tool within a downhole passage and for possibly assisting movement of the tool within the passage. The gripper assembly includes an elongated mandrel and flexible toes that can be radially displaced to grip onto the surface of the ...
03/20/2007
7156181Puller-thruster downhole tool
A method and apparatus for propelling a tool having a body within a passage. The tool includes a gripper including at least a gripper portion which can assume a first position that engages an inner surface of the passage and limits relative movement of the gripper p...
01/02/2007
7055625Self-propelled instrumented deep drilling system
An autonomous subsurface drilling device has spaced-apart forward and rearward “feet” sections coupled to an axial thruster mechanism between them to operate using an inchworm method of mobility. In one embodiment, forward and rearward drill sections are carried...
06/06/2006
7014271Apparatus for detecting the state of rotation of cutting rollers of a shield tunneling machine
An arrangement for detecting the state of rotation of cutting rollers (2) of a shield tunneling machine has at least one cutting roller (2) comprising a generator unit (12) that generates electrical energy when the respective cutting roller (...
03/21/2006
7003921Expansion joint and reinforcement connection method using the expansion joint
An expansive filler joint includes: a securing hollow body (1) embedded in a jointing end (3, 3) of forming concrete (K) or concrete segmental products (K′, K′), the securing hollow body (1) made of a rigid...
02/28/2006
6955232Equipment for drilling vertical boreholes
The invention relates to equipment for drilling a vertical borehole in hard ground, the equipment comprising: casing put successively into place in the borehole; a drilling machine having a rotary cutting head and ...
10/18/2005
6915864Cutter structure for shield machine
In a cutter structure for a shield machine which advances by boring through a tunnel wall from inside an existing tunnel, the shape of an excavating surface on a work face formed by a cutter is set so as to have a smaller curvature than or an equal curvature to the ...
07/12/2005
6869147Method and system for mining hydrocarbon-containing materials
The present invention is directed, inter alia, to devices and methods for excavating valuable materials, particularly soft ores such as oil sands, oil shales, and the like, that use one or more of a number of features, including backfilling for ground support, a sma...
03/22/2005
6590504Method and apparatus for the remote controlled actuation of a control device
A method and apparatus for remotely controlled operation of one of several control devices (13) for support frames in underground mining in which the control device (13') to be actuated is selected by means of an infra-red remote operation and then the tr...
07/08/2003
6554368Method and system for mining hydrocarbon-containing materials
The present invention is directed, inter alia, to devices and methods for excavating valuable materials, particularly soft ores such as oil sands, oil shales, and the like, that use one or more of a number of features, including backfilling for ground sup...
04/29/2003
6509842Control system for a longwall support
A longwall control system controls a longwall support and facilitates the remote inspection of the longwall support. The longwall support comprises a plurality of hydraulically operated supports. The longwall control system comprises a plurality of shield...
01/21/2003
5915790Tunnel boring machine
A cutterhead is supported at the front part of a main frame so as to incline at a specified angle with respect to a vertical plane. The main frame includes (i) a roof support disposed at a position corresponding to where a reaction force acts in the direc...
06/29/1999
5529437Guidance system and method for keeping a tunnel boring machine continuously on a plan line
A guidance system and method for keeping a tunnel boring, machine continuously on a plan line. The guidance system requires no machine operator calculations and provides the boring machine operator with a graphic display of past, present and projected pos...
06/25/1996
5478170Controlling apparatus for excavator
An object of this invention is to improve precision in the operation, operating efficiency, and reliability of an excavator. A soil condition at a place where an excavator (1) is advanced is inputted, and a reference number of revolutions of a cutter (9) ...
12/26/1995
5310249Method and apparatus for automatically controlling a mining machine
Mining apparatus is disclosed in which a cutting wheel supporting a plurality of roller-cutters rotates about a horizontal axis and is supported on a slewing boom for cutting a tunnel with a flat floor and roof and elliptical walls as it slews across a mi...
05/10/1994
5296915Method and apparatus for controlling direction of excavating machine
There is disclosed a method and an apparatus for easily controlling the advancing direction of an excavating machine without causing the excavating machine to largely trace in a zigzag way. The direction control is done by the steps of mounting a reflecto...
03/22/1994
5284403Control method and control equipment for drilling apparatus
A method for controlling advancement of a drilling apparatus comprising a drill head having tools therein and at least one conveying tube is disclosed. The method utilizes changes in pressure sensed in the drill head or the conveying tube as a means for a...
02/08/1994
5156490Shield tunnelling apparatus
A shield tunnelling apparatus is provided that includes a first tubular shield body in which a cutter assembly for excavation and a drive mechanism for driving the cutter assembly are disposed; a second shield body connected to the rear of the first shiel...
10/20/1992
5106163Method and apparatus for inspecting a forward end portion in a tunneling machine
A system for inspecting a forward end portion in a tunneling machine including cutter bits and a chamber such as a tunnel boring machine or a shield tunneling machine. The system includes an apparatus for inspecting a forward end portion comprising at lea...
04/21/1992
5061120Direction correcting device for shield tunnelling machine
A direction correcting device for a shield tunnelling machine having a shield body provided with a head portion and a tail portion following the head portion corrects the direction of the head portion relative to the tail portion. The device includes thre...
10/29/1991
4904115Method and device for controlling the trajectory of a shield-type tunnelling machine
Method of controlling the trajectory of a shield-type tunnelling machine equipped with displacement control hydraulic rams (3), characterized in that, these rams being divided into at least three groups of rams (6A, 6B, 6C), the theoretical instantaneous ...
02/27/1990
4786178Apparatus and method for detecting the position and orientation of a reference beam of light
An apparatus for detecting the relative position and orientation of a reference beam of light includes first and second detectors for detecting the intersection of the reference beam with first and second spaced and substantially parallel reference planes...
11/22/1988
4774470Shield tunneling system capable of electromagnetically detecting and displaying conditions of ground therearound
In a shield machine, there are provided an electromagnetic wave transmitting and receiving unit mounted on the top of the shield machine for radiating electromagnetic impulse wave toward an underground and for receiving the electromagnetic wave reflected ...
09/27/1988
4732427Head intake for tunnelling machine
Apparatus for tunnelling through soil, in which a cutting head is rotatably mounted on a housing and atmospherically sealed from the housing. A muck ring is located in the housing to collect loose soil through an opening into the chamber of the muck ring ...
03/22/1988
4656743Arrangement for determining the position of a hollow section system which is pressed forward
An apparatus for determining the position of a hollow section system which is pressed forward. Measuring apparatus are arranged one behind the other in the hollow section system. Measuring points are also provided. Each measuring apparatus has a light sou...
04/14/1987
4513504Method for determining the position of a pressed-ahead hollow-section line, and apparatus for implementing the method
A method and apparatus for determining the position of a pressed-ahead hollow-section line, especially with any desired three dimensional curvature, and having measuring points permanently and securely arranged in the hollow-section line. The three dimens...
04/30/1985
4506931Method and apparatus for mining
A method of mining a mineral deposit from a remote point, particularly useful in mining pitching or horizontal seams, comprises boring, casing and preparing a log of a probe hole; the casing will later be used as a guide for the mining head. All personnel...
03/26/1985
4392744Method of and apparatus for determining angular and transversal displacements of shield machine and succeeding pipe
Method and apparatus for determining angular and transversal displacements of a shield machine and a succeeding pipe relative to a pre-determined schedule central axis of a tunnel to be constructed by pipe-jacking tunneling which includes providing on the...
07/12/1983
4367898Excavating machines for tunneling with template fixed to boom
An excavating machine for excavating rock or mineral to extend an underground roadway or tunnel comprises a mobile carriage provided with a support assembly for a pivotally-mounted cutter carrying boom. In addition, the machine comprises an indication mec...
01/11/1983
4367021Method and apparatus in tunneling
Disclosed is a method for marking out drill holes in accordance with a predetermined drill hole pattern. A direction reference beam (c) is projected in a direction defining the direction of the tunnel and part of a beam (e) is deflected from the reference...
01/04/1983
4343512Cutter drive regulation apparatus for a tunnelling machine
Apparatus is disclosed for regulating the capacity of a tunnelling machine. The tunnelling machine is of the type having a rotatable cutting head mounted at one end of an arm. The other end of the arm is pivotally mounted on a carrier about a pivot pin wh...
08/10/1982
4311411Pipe jacking apparatus
A pipe jacking apparatus comprises a shield type tunneling machine equipped with direction adjusting jacks, a tubular body joined to the rear of the shield type tunneling machine, and a thrust jack provided within a thrust pit and thrusting forward a pipe...
01/19/1982
4273468Tunnelling shields and like moveable apparatus
Corrections to be applied to the motion of a tunnelling shield to maintain or restore motion of the shield along a predetermined path are determined by directing a beam of collimated light in a direction parallel to or at a fixed angle with the axis of sa...
06/16/1981
4171848Control method and system for ensuring stable boring operation at working face during tunnelling with tunnel boring or shield machine
In a tunnel boring or shield machine including a chamber defined between a working face and a bulkhead mounted in a machine frame of a shield machine body, means for controlling the amount of earth or muck conveyed to the exterior of the shield machine fr...
10/23/1979
4167290Shield type hydraulic tunnel boring machine
A shield type hydraulic tunnel boring machine having means for detecting an occurrence of excess excavation due to accidental collapse in tunnel face ground apt to occur during tunnel boring works through soft and unstable ground and for further determini...
09/11/1979
4167289Method and system for controlling earth pressure in tunnel boring or shield machine
In a tunnel boring or shield machine, a method and system for controlling the earth pressure, in which the earth pressure in the chamber of the shield machine body is detected and the detected earth pressure is compared with a reference value to thereby p...
09/11/1979
4152027Shield type hydraulic tunnel boring machine
A shield type hydraulic tunnel boring machine having means for detecting an occurrence of excess excavation due to accidental collapse in tunnel face ground apt to occur during tunnel boring through soft and unstable ground and for further determining the...
05/01/1979
4142763Attitude control means of tunnel boring machine shield
An improved attitude control system for tunnel boring machine shields is provided. A laser beam transmitter is installed in an already bored tunnel behind the machine shield for transmitting a laser beam in parallel to a predetermined tunneling direction ...
03/06/1979
4111486Method and system for performing attitude control of tunnel excavating shield
Attitude controlling method of tunneling machine shield and system for performing the method, wherein a plurality of jacks installed at a tail end of the shield for propelling the same toward tunnel face ground are selectively driven when the shield devia...
09/05/1978
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