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| Number | Title | Issue Date |
| 7367412 | Collapsible rock head A rock head for use with an auger borer to bore a passageway through a body of soil and rock and simultaneously laying a pipe in that bored passageway. The rock head has a base connectable to the leading end of the auger. A plurality of movable mounts are provided o... | 05/06/2008 |
| 7219751 | Apparatus for guiding and steering an earth boring machine and casing assembly A steering head that comprises a forward pivot block and a rearward pivot block. The forward pivot block is attached to a leading edge of a casing. The rearward pivot block is attached to a trailing portion of the casing, the leading edge being separated from the tr... | 05/22/2007 |
| 7192094 | Auger flight support system An auger support assembly for use with an augering system for mining which bores a pair of side-by-side holes through a coal seam using dual side-by-side augers. Each auger includes a drilling section which is followed by a series of auger flights for conveying the ... | 03/20/2007 |
| 7128375 | Method and means for recovering hydrocarbons from oil sands by underground mining The present invention is directed generally to the combined use of slurry mining and hydrocyclones to recover hydrocarbons, such as bitumen, from hydrocarbon-containing materials, such as oil sands, and to selective mining of valuable materials, particularly hydroca... | 10/31/2006 |
| 7097255 | Method and means for processing oil sands while excavating The present invention is directed to the separation of bitumen, such as by the Clark process or by a countercurrent de-sander, in an underground excavation machine, such as a tunnel boring machine. ... | 08/29/2006 |
| 7055625 | Self-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 |
| 7029072 | Modified rumble strip cutter A rumble strip cutting machine having a drum that can be shifted from one side of the machine to the other. The machine includes a piston wheel that imparts an up and down motion to the frame so that rumble strips can be cut at desired intervals as the machine is dr... | 04/18/2006 |
| 6944977 | Drum for an excavator that can be used in particular for the production of vertical trenches in hard or very hard soils Excavator drum for the production of vertical trenches, including a cylindrical shell (22) mounted so sa to rotate about its axis of revolution and a plurality of excavating tools (28, 30) mounted on the external face of the shell. The tools include a ... | 09/20/2005 |
| 6929330 | Method 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... | 08/16/2005 |
| 6912356 | Method and apparatus for fracturing brittle materials by thermal stressing A method of fracturing or breaking rock includes the step of directing high intensity white light (radiation) at the rock to induce thermal stress sufficient to fracture the rock. The intensity of the energy source may be varied to control the manner in which the ro... | 06/28/2005 |
| 6869147 | Method 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 |
| 6698844 | Earth discharging device for upward-facing shield machine An earth discharging device, for a shield machine for constructing a tunnel in the vertical direction, has a pipe for discharging downwardly earth and sand that have been excavated by the machine as it advances upwardly. An elastic film-type valve is prov... | 03/02/2004 |
| 6652035 | Highwall mining system A highwall mining system of the type wherein multiple conveyor cars are connected together to form a conveyor train which extends into a seam being mined by a mechanical miner located at the inner end of the conveyor train is capable of effective operatio... | 11/25/2003 |
| 6554368 | Method 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 |
| 6293628 | Hydraulic scroll auger mining system and method of using the same A preferred cutting head includes a first body having a manifold for containing high pressure fluid and an axis of rotation generally parallel to the borehole, a first plurality of mechanical bits disposed on the first body, a first plurality of nozzles d... | 09/25/2001 |
| 6142577 | Hydraulic muck handling system for tunnel boring machine A tunnel boring machine for collecting earth excavated upon rotation of a cutter disk includes a non-pressurized chamber behind the cutter disk for collecting earth excavated by the cutter disk and discharging the earth with a carrying fluid. The machine ... | 11/07/2000 |
| 6082930 | Shield driving machine The present invention relates to a shield driving machine by which eliminates excessive work of the ground when working at a curved section while suppressing an increase of the sinking of the ground surface and securing a quickening in the stability of se... | 07/04/2000 |
| 6017095 | Tunnel boring machine with crusher The present invention relates to a tunnel boring machine particularly a micro-tunnelling machine having a cutting head rotatably mounted on the end of a housing and being driven by a first motor means and a rotatable central auger for removal of soil from... | 01/25/2000 |
| 5992941 | Conveyor for ultra thin seam coal mining A conveyor cart for a mining machine is made from readily available components, including conventional golf cart components, and has a maximum height of 20 inches or less (e.g. about 18 inches) so that it can be effectively utilized with a continuous mine... | 11/30/1999 |
| 5879057 | Horizontal remote mining system, and method A horizontal remote mining system comprising a water jet cutting head, down hole crusher, jet pump, and guidance system for orchestrating select excavation of a horizontal borehole. The system is assembled on the end of a drill string comprised of multipl... | 03/09/1999 |
| 5692807 | Highwall mining apparatus An apparatus for mining aggregate material from a partially exposed seam adjacent a bench on a surface mine and which extends from the bench at an elevation and angle relative to the bench, The apparatus includes a self-propelled mining machine for dislod... | 12/02/1997 |
| 5641207 | Mining machine A boring machine for use in mining having a base, a hydraulic motor and a cutting member. The hydraulic motor includes a pair of hydraulically activated oscillating drive units, a cylindrically shaped rotating shell, a cylindrically shaped stationary shel... | 06/24/1997 |
| 5498068 | Non-entry mining method equipment A jet boring pre-assembly for excavating an underground area susceptible to disaggregation and for control from a working gallery below the area includes a cutting head for the top of the assembly, the cutting head having separate conduits for delivery of... | 03/12/1996 |
| 5470132 | Tunnelling head and method A micro tunnelling head and earth boring method is illustrated which includes utilizing a cutting head (G) spaced forwardly of a cylindrical articulated housing (A) having a transverse bulkhead (B) intermediate its ends for carrying a centrally disposed t... | 11/28/1995 |
| 5431238 | Drilling tool for use in constructing large diameter piles, ventilating shafts and other similar mining works A drilling tool is adapted for being releasably mounted to a lower end of a rod string (20) of a drilling rig (30) and includes a container (2) having a cylindrical or truncated-cone shape fitted at the lower end with a plurality of cutting tools or cutte... | 07/11/1995 |
| 5393172 | Shield tunneling machine A shield tunneling machine comprises a shield body having a soil chamber, an inside chamber and a partition wall. The soil chamber has a conical peripheral surface converging gradually rearward. A crankshaft having an eccentric portion is rotatably suppor... | 02/28/1995 |
| 5330257 | Auger mining machine An auger mining apparatus includes a support frame holding a tilt platform. A tilt mechanism displaces the tilt platform at a pitch between 0°-45° relative to the support frame. A stacked, dual carriage arrangement is carried by the tilt platform. A bid... | 07/19/1994 |
| 5261729 | Apparatus for continuous mining An apparatus for mining aggregate material from a seam includes a miner for cutting material from the seam and a conveyor for conveying the won aggregate material from the miner for recovery. The conveyor is formed by a series of individual conveyor units... | 11/16/1993 |
| 5255960 | Tunnel drilling apparatus with drill waste removal A drill head for drilling a tunnel in rock or soil comprises a rotatable drill bit assembly and a cylindrical protecting tube. The bit assembly comprises a bit holder and a cylindrical drill bit. The bit assembly has a cylindrical surface which forms a co... | 10/26/1993 |
| 5203614 | Tunneling machine having liquid balance low flow slurry system A tunneling machine convertible between a "closed mode" and an "open mode" of operation, having a rotatable cutterhead with muck openings communicating with a pressurizable cutterhead chamber and a pressure maintenance system to stabilize the tunnel workf... | 04/20/1993 |
| 5127711 | Hopper and hood combination for tunneling machine and tunneling machine having the same A hopper and hood combination for muck transfer in a tunneling machine, and a tunneling machine having the same, in which a muck collar is mounted to a cutterhead support and projects into a rotatable cutterhead. A muck chute on the muck collar feeds eart... | 07/07/1992 |
| 5125768 | Method and apparatus for the production of underground pipelines A method and apparatus for producing an underground pipeline from an excavated hole uses a drill head with a suitable tool attached thereto. Loosened soil is transported out of the drilled tunnel with a transportation drum containing an internal spiral. T... | 06/30/1992 |
| 5123708 | Shield tunnelling machine A shield tunnelling machine is provided. Such shield tunnelling machines include a tubular shield body; an excavating cutter assembly disposed on a front end of the body; a partition wall for defining the interior of the body into a front region and a rea... | 06/23/1992 |
| 5104262 | Tunnel boring machine Tunnel boring machine comprising a number of swingable arms (11,12,13,14) provided with boring tools (41,42,43,44) for the working of the tunnel wall outside its normal diameter. The arms may be swung outwardly into an active position or retracted into an... | 04/14/1992 |
| 5078545 | Method for boring hole in the ground and apparatus therefor A system for boring a hole in the ground including an excavating machine provided with a tubular body; an excavating mechanism supported by the body; a mechanism for shifting the excavated substances to the periphery of the body; and a driving mechanism f... | 01/07/1992 |
| 5072992 | Shield unit A shield unit has a cylindrical shell made up of two sections arranged in succession one after the other, that is, a head section and a tail section which are connected by a traversing mechanism. The mechanism is a differential planetary gear train kinema... | 12/17/1991 |
| 5056655 | Highwall miner with conveyor module Conveyor belt supporting modules associated with an endless conveyor belt assembly for conveying mined material from a mine bore to the mouth of the bore allows for necessary length of conveyor belt to be fed into the mine, and convey material from the mi... | 10/15/1991 |
| 5022789 | Method and machine for constructing shafts There are disclosed a method and a machine for constructing a shaft having a substantially circular cross-section. According to the present invention, the shaft having a shotcrete formed on a peripheral wall thereof can be easily constructed. The shotcret... | 06/11/1991 |
| 5005911 | Quadrishoe tunnel boring machine A tunneling machine body carrying a rotary cutterhead can be advanced continuously by exerting advancing thrust force on it, first by top and bottom jack bipods reacting from top and bottom anchor shoes, respectively, in anchored condition against the tun... | 04/09/1991 |
| 4848963 | Earth pressure shield The earth pressure shield for a tunnel and/or gallery excavator has a front working compartment formed by a separating wall having a digging tool and an annular reinforcing space substantially triangular in cross section positioned directly in front of th... | 07/18/1989 |
