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7594702 |
Highwall mining system for transporting mined material from a mined hole to an outside area
A mining system for advancing and retrieving a material transfer unit, such as a car, sled, beam or other vehicle commonly used in the mining industry to transport ores or minerals from a mine,...
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7332007 |
Dusting device with multiple stream nozzles
A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is...
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7219964 |
Milling machine as well as method for working ground surfaces
At a milling machine to work ground surfaces, with a machine frame, a milling drum supported at the machine frame, at least one transport device arranged at the machine frame which accepts the...
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7013937 |
Apparatus and process for mining of minerals
Apparatus for transporting mineral from a point of mining to a remote location, the apparatus including a mobile mineral breaker rig (MBR) having a mineral outlet, the rig including a fluid inlet...
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6988775 |
Scrapping method of building and scrapping machine
The method of demolishing a building includes self-propelling a demolition machine into the building, operating the demolition machine so as to form a movement hole at a floor part of an upper...
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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...
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6926368 |
Method and apparatus for remote self-propelled conveying in mineral deposits
A method and apparatus for the mining of material from a seam includes a mining apparatus and a self-propelled conveyor capable of advancing or retreating in the seam on its own power and an...
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6817678 |
Auger mining system
A mining apparatus 10 to mine coal from a seam 11 . The apparatus 10 includes a continuous miner 12 to form a mine road 13 . Extending along the road 13 is a conveyor 15 having a...
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6733086 |
Vacuum system for milling machine
A vacuum system is mounted on a portable milling machine for extracting material cut by the milling drum of the machine from the surface of a roadway. The milling machine includes a frame, a...
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6578926 |
Mining machine having stabilizing apparatus and stabilizing apparatus
A mining machine having a stabilizing apparatus includes a mining machine and a stabilizing apparatus attached to the mining machine. The stabilizing apparatus includes a stabilizing element and a...
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6401912 |
Conveyor pan assembly with replaceable deck
A conveyor pan assembly, and a corresponding conveyor line, for an armored face conveyor is provided wherein each pan assembly has a replaceable upper deck plate fabricated of wear-resistant steel....
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6296318 |
Device for milling off ground surfaces especially roadways
In a device for milling off ground surfaces, especially roadways, having a wheel frame carrying a machine frame, a milling roller supported in the machine frame and extending transversely to the...
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6224164 |
Mining machine with detachable articulated cutting assembly
A mining machine that has a chassis that defines an operator area thereon and has a mining assembly attached thereto. A vertically extending shield assembly is supported on the chassis to prevent...
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6109699 |
Tow line equipped remote mining machine and method
A method and apparatus for advancing cables and hoses to a remotely operated mining machine and retrieval of the machine in case of accident, and for remote haulage of material in a self-propelled...
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6036276 |
Conveyor lift and service shoe assembly and method of moving
A longitudinally extending conveyor discharge section is connected for horizontal and vertical pivotal movement on a frame of a mining machine. A pair of service shoes is connected at one end to...
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6007157 |
Slidably displaceable duct assembly for a mining machine
An apparatus for filtering airborne contaminates that has a frame member and a collection duct attached thereto. A duct assembly is slidably supported on the frame member and selectively movable...
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5997101 |
Surface-assisted continuous underground mine conveyor
A system for providing utilities and support infrastructure on a continuous basis from the surface to the cutting face of an underground operation. A flexible belt structure system incorporates...
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5997100 |
Inertization system for highwall mining
A highwall mining system for mining aggregate material from a seam (8) includes a mining device (9) for cutting aggregate material from the seam (8) thereby to form a drive (10) in the seam (8), a...
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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...
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5967616 |
Electrical control system for apparatus and method for continuous underground mining
Apparatus for controlling the operation of an underground mining system including a continuous miner, a roof bolting machine, a tramming conveyor and a control cab operatively connected to the...
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5941154 |
Guide shoe for a cutting machine
The guide shoe according to the invention for cutting machines with a pintype drive has an insertion pocket in which a coupling piece engages from above, which coupling piece is arranged on a guide...
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5913573 |
Roof bolt drilling and setting apparatus
A displaceable mining machine (1) comprises roof bolt drilling and setting apparatus (5, 13). A conveyor (6) is articulately pivotable in a rear portion of the machine about axes (16, 16') in order...
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5871260 |
Mining ultra thin coal seams
A continuous mining machine is provided for mining ultra thin coal seams, e.g. seams having a thickness of about 24 inches or less. A chassis supported by crawler tracks has a substantially...
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5810447 |
Apparatus and method for continuous mining
Apparatus for controlling the operation of a mining system including a continuous miner, a tramming conveyor and a load-out vehicle operatively connected to the tramming conveyor. The apparatus...
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5795032 |
Mining machine with multiple propulsion members
A mining machine that has an elongated frame member and a mining assembly attached thereto for dislodging material from a seam upon contact therewith. The mining machine is equipped with at least...
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5779321 |
Swing tail assembly for miner
A swing tail assembly rotates a swing tail conveyor relative to a miner conveyor including a mounting assembly mounting a drive arrangement on a swing tail conveyor. The drive arrangement includes...
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5720527 |
Continuous highwall mining machine with armless conveyor
A continuous highwall mining machine (10) includes a frame (12) and a ground engaging loading shovel (32) that is mounted to extend forwardly from the frame. A cutter (16) for winning aggregate...
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5673974 |
Dry dust removal device
The dry dust removal device for tunnelling or extraction machines includes a suction fan (15) and suction openings (14) close to the cutting rolls (23). There is a filter element (12) arranged...
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5611421 |
Method of installing multiple-lift conveyor system
A method of installing a multiple lift, vertical conveyor system in a conveyor shaft includes steps of: erecting a framework for the vertical conveyor system, installing a first belt for operation...
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5597393 |
Displaceable filtering apparatus for airborne contaminates
An apparatus for filtering airborne contaminates that has a frame member and a collection duct attached thereto. A discharge duct assembly is pivotally connected to the frame member and is...
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5582465 |
Method and apparatus for mining inclined mineral deposits
A method and apparatus for haulage of material in a self-propelled vehicle on a sloped surface by supplementing traction force of the self-propelled vehicle by rope under variable tension in order...
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5553926 |
Self-propelled mining apparatus and method for cutting arched opening
A mining apparatus includes a frame, a mechanism for cutting an arched opening in a seam and winning the cut mineral, and a propulsion system. The cutting mechanism includes a boom supported...
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5490339 |
Trenching system for earth surface use, as on paved streets, roads, highways and the like
The present invention relates to a center-line trenching system for use at the earth's surface such as on a paved street, road, highway or the like. The system includes a rubber tired drive machine...
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5427439 |
Surface mining conveyor system
A surface mining system for mining successive, generally parallel cuts in a coal or similar mineral seam includes at least one endless belt conveyor disposed on a spoil pile directly adjacent the...
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5404988 |
Mobile connecting belt bridge for open pit mining
The connecting belt bridge provided with the feed end side and the discharge side end each supported on their respective travelling means, the discharge side travelling means including a travelling...
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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...
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5333936 |
Low profile mining machine having a cutter mounted on a slidable carriage
A cutter machine has cutter heads or rollers rotatably mounted on a pivoting cutter arm. It also has a loading ramp and a conveyor running in a direction towards the work face of the cutter machine...
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5302004 |
Method of removing asbestos from a building
A method for removing asbestos containing material from an area of a building by creating a containment area substantially surrounding the area of the building where the asbestos containing...
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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...
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5253925 |
Method and apparatus for collecting and removing dust on a mining machine
A first duct system extends longitudinally on one side of a mining machine frame from an air inlet adjacent to a cutter drum carried on a boom rearwardly to an air outlet at the rearward end of the...
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5246274 |
Remote mining haulage system with self-advancing mobile tailpiece and method of operating same
A haulage system and related process are provided for intermediate continuous conveying of coal or other mined minerals from the discharge of a continuous mining device to a distant point...
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5192115 |
Tramming mobile mining machine
A mobile mining machine for cutting a tunnel in rock has a wheel-like cutterhead assembly supported by a pitch boom assembly that causes movement of the cutterhead assembly in the vertical plane. A...
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5190352 |
Mining machine with cascading conveyor system and method of conveying
A mining machine includes a material dislodging mechanism and a cascading conveyor system extending rearwardly on a mobile frame. The cascading conveyor system includes a fixed, main conveyor and a...
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5188427 |
Twin scrubber and air diffuser for a continuous miner and method of ventilation
A continuous mining machine is provided with dual ductwork having reversible fans. The ductwork extends longitudinally along each side of the continuous mining machine. Each fan is positioned in a...
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5145236 |
Method and apparatus for controlling dust produced by a continuous miner
A method and apparatus for controlling the dust produced by continuous underground coal mining machinery. The apparatus comprises a wet scrubber mounted on the pivoted boom adjacent the cutting...
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5123709 |
Hydraulic aligner device for flexible continuous tram mining machine
A moveable hydraulic aligner device, particularly suited for aligning a roadway used with a full continuous tram mining machine following a drilling cycle, comprises an upper portion, supported by...
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5108153 |
Elevated roadway for continuous haulage unit
An elevated roadway for use with a self-propelled continuous haulage unit in underground mining consists of a multiplicity of substantially identical roadway units joined together end to end. Each...
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5104194 |
Continuous miner with improved duct system and method of increasing duct cross section
A self-propelled continuous mining machine which includes a mobile frame assembly having a material dislodging device, and a conveying system. A dust collecting system is positioned on the mobile...
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5082331 |
Continuous miner with duct assembly
A self-propelled continuous mining machine includes a mobile frame assembly having a front end portion with a boom assembly pivotally retained thereon. A dust collecting system is positioned on the...
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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...
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