Mine Layouts Patents (Class 299/19)
  • Patent number: 9371185
    Abstract: Disclosed is a method for distributed storage and use of mine groundwater. The method comprises the following steps: A. prospecting an area of an underground space to be mined, and acquiring data on the bedrock geology of the strata; B. observing the mine groundwater, and acquiring the conditions of the flow distribution, water quality data and water pressure data for the mine groundwater; C. designating one or more goaf spaces through which mine groundwater cannot permeate as a water storage space of a distributed underground reservoir according to the data on the bedrock geology of the strata acquired in step A and the conditions of the flow distribution, water quality data and water pressure data for the mine groundwater acquired in step B; and D. after the designated water storage space is formed, mine groundwater generated when mining a mining face adjacent thereto naturally seeps into the water storage space.
    Type: Grant
    Filed: April 27, 2013
    Date of Patent: June 21, 2016
    Assignees: CHINA SHENHUA ENERGY COMPANY LIMITED, CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
    Inventors: Dazhao Gu, Kai Zhang, Shushe Chen, Wenyu Wei, Feng Yang
  • Patent number: 9359137
    Abstract: A system for high-pressure natural gas storage includes at least one underground bored tunnel, suitable for holding natural gas under pressure and a process for storing natural gas under pressure.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: June 7, 2016
    Assignee: TECTONA LTD.
    Inventor: Yossef Ram
  • Patent number: 9262562
    Abstract: A system and method for modeling a physical formation is provided. The method comprises a model retrieval module obtaining a reference model of the physical formation with at least one physical parameter, the reference model comprising reference blocks. A re-blocking module generates a synthesized model comprising one or more synthesized blocks. The re-blocking module then maps the reference blocks to the synthesized blocks and generates one or more fractional attributes for one or more of the synthesized blocks based on at least one physical parameter of the one or more corresponding reference blocks.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: February 16, 2016
    Assignee: DASSAULT SYSTEMES CANADA SOFTWARE INC.
    Inventors: Ram Sudama, Steven George Carter
  • Patent number: 9010870
    Abstract: Methods and equipment have been developed that combine the use of continuous miners, flexible conveyor trains, and longwall mining techniques to provide flexible and efficient removal of resources from subterranean formations. Some systems include: a main gate; and a tailgate connected to the maingate by an active mine face; wherein the active mine face extends at an angle between 95° and 135° relative to the maingate.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: April 21, 2015
    Assignee: Seneca Industries Inc.
    Inventors: Timothy J. Myers, Michael Cline, John Dickinson
  • Publication number: 20150097414
    Abstract: A personal safety system in the form of a refuge chamber with at least one main room and a carbon dioxide absorber (10) provided for absorbing carbon dioxide out of the ambient air of the main room. The carbon dioxide absorber (10) has a body (14) and a basket (12) that can be inserted into the body (14) for receiving loose soda lime. With this, any static charges of previously used soda lime cartridges are avoided and dangers arising therefrom, in potentially explosive areas, are ruled out.
    Type: Application
    Filed: October 4, 2013
    Publication date: April 9, 2015
    Applicant: Drager Safety AG & Co. KGaA
    Inventor: Matthias Lûhr
  • Patent number: 8985704
    Abstract: A material extraction system is provided for an underground mine. The mine includes a roadway entry and a draw-bell entry intersecting the roadway entry and affording access to a draw-bell. The system generally includes a loader movable from the roadway entry into the draw-bell entry for removing material from the draw-bell, a sizer coupled to the loader for sizing the removed material, a material collector operable to collect the sized material, and a shuttle car operable to receive the collected material from the material collector. The material collector has a loading end and a discharge end, and material transport device extending therebetween. The shuttle car is movable along the roadway entry for transferring the collected material so as to facilitate a substantially continuous extraction of the material.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: March 24, 2015
    Assignee: Joy MM Delaware, Inc.
    Inventors: Joseph J. Zimmerman, David Kevin Herdle, Tyler Good
  • Publication number: 20150048668
    Abstract: A method of open cut mining comprising carrying out mining operations in an area of an open cut mine with manned resources and unmanned resources and providing separate access for these resources to the mine area at selected locations. Alternatively, or in addition, the method comprises carrying out mining operations in the mine area with manned resources and unmanned resources operating in selected, separate unmanned and manned zones, respectively within the mine area.
    Type: Application
    Filed: September 4, 2014
    Publication date: February 19, 2015
    Inventor: Andrew Stokes
  • Patent number: 8905486
    Abstract: In developing an underground mine a mine shaft 80 is formed by excavating earth and removing excavated material from the shaft 80 by a material transport system comprising skips 36 movable up and down on skip guides within the shaft. Tunnels 82 are launched from a bottom part of shaft 80 by excavating a cavern 81 in which a tunnel boring machine is assembled and operated to bore the tunnels 82. Material from the tunnel excavation is transported from the tunnels via conveyor 87 to the material transport system established within the shaft during formation of the shaft which is operated to transport that material to an earth surface region.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: December 9, 2014
    Assignee: Technological Resources Pty. Ltd.
    Inventors: Fredric Christopher Delabbio, Max Edward Oddie
  • Patent number: 8882204
    Abstract: The present invention relates to a novel method of retrieving gas from a gas-containing subterranean formation, the method including digging a mine shaft to reach the subterranean formation; constructing a ventilated underground control center wherein the center includes a computerized control panel, wherein the computerized control panel controls the movements of a hot head device such as a plasma torch, an electro-chemical apparatus, a hydrogenating solvent or heated ceramic particles; a hollow drill pipe; a movable hydraulic shield; a movable resin roof bolting machine; and a movable waste extrusion device; providing mining personnel to the ventilated underground control center; and allowing the mining personnel to operate the computerized control panel wherein they perform the tasks of moving the hot head device into the subterranean formation, recovering the gas, and extruding waste material into a mined-out space of the subterranean formation.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: November 11, 2014
    Inventors: George Anthony Aulisio, Leander Francis Aulisio
  • Patent number: 8840190
    Abstract: A method of open cut mining an ore is disclosed. The method comprises carrying out mining operations in an area of an open cut mine with manned resources and unmanned resources and providing separate access for these resources to the mine area at selected locations. Alternatively, or in addition, the method comprises carrying out mining operations in the mine area with manned resources and unmanned resources operating in selected, separate unmanned and manned zones, respectively within the mine area.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: September 23, 2014
    Assignee: Technological Resources Pty. Limited
    Inventor: Andrew Stokes
  • Patent number: 8820847
    Abstract: A method of block cave mining comprising excavating undercut tunnels (21) at an undercut level; drilling undercut blast holes (25) through the undercut tunnel roofs and setting and detonating explosive charges in those holes to blast rock above the undercut tunnels to initiate the formation of broken rock caverns (26) above the undercut tunnels (21); excavating extraction level tunnels (22) at an extraction level below the undercut level; drilling drawbell blast holes (33) upwardly from the extraction level tunnels at selected drawbell locations toward the broken rock caverns (26) and setting and detonating explosive charges in those holes to blast drawbells (32) through which broken rock falls down into the extraction level tunnels (22); and progressively removing such fallen rock from the drawbell locations through the extraction level tunnels (22); wherein some of the excavation is done mechanically by tunnel boring machinery.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: September 2, 2014
    Assignee: Technological Resources Pty. Ltd.
    Inventors: Max Edward Oddie, Colin Ian Jones, Pierre Labrecque, Fredric Christopher Delabbio
  • Patent number: 8770667
    Abstract: Methods and equipment have been developed that combine the use of continuous miners, flexible conveyor trains, and longwall mining techniques to provide flexible and efficient removal of resources from subterranean formations. Some methods for use in a mining operation include advancing a continuous miner towards an angled face that extends from a headgate to a tailgate; and performing an angled cutting turn in which the continuous miner turns less than 90°.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: July 8, 2014
    Assignee: Seneca Industries Inc.
    Inventors: Timothy J. Myers, Michael Cline, John Dickinson
  • Patent number: 8672415
    Abstract: A surface mining system for removing material from a mining face generally includes a conveyor extending substantially parallel to the mining face, a miner supported by and moveable along the conveyor, and a conveyor translation device associated with the conveyor and operable to move the conveyor and the miner toward the mining face. A method for advancing a surface mining longwall system generally includes moving the longwall shearer along a face conveyor, operating load translation devices to move the face conveyor and the longwall shearer toward the mining face, resetting a first group of load translation devices, and then resetting a second group of load translation devices. A load translation device generally includes an actuator, a ground drilling device coupled to and moveable with a portion of the actuator, and a frame coupled to and moveable with another portion of the actuator.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: March 18, 2014
    Assignee: Joy MM Delaware, Inc.
    Inventors: Brad Neilson, Michael S. Adamczyk, Peter Dalton, Joseph J. Zimmerman
  • Patent number: 8511756
    Abstract: A surface mining system removes material from a surface mining block that has a substantially vertical and laterally extending mining face. The surface mining system generally includes a miner moveable in a lateral direction along the mining face, a face conveyor extending along the mining face, and conveyor translation devices associated with the face conveyor and operable to move the face conveyor toward the mining face as material is removed. The miner includes a rotating cutting member mounted to an end of a vertically ranging cutting arm and operable to remove material from the mining block. The face conveyor includes a discharge portion and is operable to convey material removed from the mining block toward the discharge portion. Each conveyor translation device includes a secured configuration substantially fixed with respect to the mining face and an unsecured configuration moveable with respect to the mining face.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: August 20, 2013
    Assignee: Joy MM Delaware, Inc.
    Inventors: Brad Neilson, Ted Doheny, Michael S. Adamczyk, Jez Leeming, Joseph J. Zimmerman
  • Patent number: 8262167
    Abstract: The present invention relates to a novel method of mining underground coal and recovering coal seam gas, the method including locating a seam of coal; digging a mine shaft to reach the seam of coal; constructing a ventilated underground control center which includes a computerized control panel, wherein the computerized control panel controls the movement of a drill head, a hollow drill shaft, a movable hydraulic shield, a movable resin roof bolting machine, and a movable waste extrusion device; providing mining personnel to the ventilated underground control center; and allowing the mining personnel to operate the computerized control panel wherein they perform the tasks of moving the drill head into the seam of coal to obtain aggregate coal and coal seam gas; extruding waste material into mined-out space of the coal seam; and transferring the aggregate coal and coal seam gas to the surface of the earth.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: September 11, 2012
    Inventors: George Anthony Aulisio, Leander Francis Aulisio
  • Publication number: 20120119562
    Abstract: A mine safety system having at least a substantial portion of a mine conduit buried within a trench that is formed in the mine floor is provided. The mine safety system can be sturdy and durable in construction and in operation because a substantial pressure from a mine collapse is transferred to the surrounding earth or soil when the mine conduit is partially or fully buried in the mine floor. The mine safety system can be simply and inexpensively installed in newly constructed mines or retrofitted in existing mines. The mine conduit can be made of a lightweight plastic which can make handling of the conduit easier. Moreover, installation of the trench and the mine safety system is quicker and easier with use of a cutter drum that can form a curved trench bottom when the conduit is circular.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 17, 2012
    Inventors: Winchester E. Latham, Mark W. Polo
  • Publication number: 20110175429
    Abstract: A method of mining ore in a mine pit (3) and a mine are disclosed. The method comprises drilling and blasting ore in a bench (19) of ore within the mine pit and collecting ore blasted from the bench from a floor (5) of the mine pit using at least one mobile excavation machine (11). The method also comprises delivering ore that has been collected by the mobile excavation machine to at least one mobile-in-pit crusher (41), and transporting crushed ore to outside the pit on at least one ladder conveyor (23) that extends up the wall of the pit.
    Type: Application
    Filed: August 11, 2009
    Publication date: July 21, 2011
    Applicant: TECHNOLOGICAL RESOURCES PTY. LIMITED
    Inventors: Collette Amos, John Clarence Box
  • Patent number: 7957941
    Abstract: The present invention relates to the field of extracting resource(s) from a particular location. In particular, the present invention relates to the planning, design and processing related to a mine location in a manner based on enhancing the extraction of material considered of value, relative to the effort and/or time in extracting that material. The present application discloses, amongst other things, a method of and apparatus for determining slope constraints, determining a cluster of material, determining characteristics of a selected portion of material, analysing a selected volume of material, propagating clusters, forming clusters, mine design, aggregation of blocks into collections or clusters, splitting of waste and ore in clumps, determining a selected group of blocks to be mined, clump ordering and identifying clusters for pushback design.
    Type: Grant
    Filed: April 2, 2009
    Date of Patent: June 7, 2011
    Assignee: BHP Billiton Innovation Pty. Ltd.
    Inventors: Gary Allan Froyland, Merab Menabde
  • Patent number: 7925474
    Abstract: The present invention relates to the field of extracting resource(s) from a particular location. In particular, the present invention relates to the planning, design and processing related to a mine location in a manner based on enhancing the extraction of material considered of value, relative to the effort and/or time in extracting that material. The present application discloses, amongst other things, a method of and apparatus for determining the removal of material(s) from a location, determining the removal of material(s) of a differing relative value from a location, determining a schedule corresponding to a risk and/or return basis, determining aggregated block ordering for the extraction of material from a location, determining a schedule for extraction of dumps and determining a mine design.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: April 12, 2011
    Assignee: BHP Billiton Innovation Pty Ltd.
    Inventors: Gary Allan Froyland, Merab Menabde
  • Patent number: 7725232
    Abstract: A method and a system for monitoring the location of a mining vehicle in a mine. The mine comprises a first and a second work area. At least one identifier (29) whose exact location is known is arranged in the first work area (18a). The location of the mining vehicle (1) is determined continuously by means of a dead reckoning. The location data, based on the dead reckoning, can be updated by means of the identifier. The location data are transmitted to a mine control system for monitoring the mining vehicle.
    Type: Grant
    Filed: June 28, 2004
    Date of Patent: May 25, 2010
    Assignee: Sandvik Mining and Construction OY
    Inventors: Hannu Mäkelä, Riku Pulli, Timo Soikkeli
  • Patent number: 7669937
    Abstract: A method for extracting minerals from a narrow-vein deposit by thermal fragmentation is provided. The method includes locating the vein and determining the extent thereof to form the boundaries of a stope. Access to the stope is prepared by forming a panel having an upper drift and a lower drift. Equipment for thermal fragmentation, including a burner, is installed from the upper drift. The burner moves along the panel surface in a sweeping motion, while rock chips spalled from the rock panel surface are collected. Multiple panels for processing can be realised, with lower panels being processed before upper panels, by excavating a sub-level to separate the lower and upper panels.
    Type: Grant
    Filed: May 26, 2008
    Date of Patent: March 2, 2010
    Assignees: Hydro-Quebec, Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources
    Inventors: Jean-Marie Fecteau, Sylvie Poirier, Marcel Laflamme, Gill Champoux
  • Patent number: 7519515
    Abstract: The present invention relates to the field of extracting resource(s) from a particular location. In particular, the present invention relates to the planning, design and processing related to a mine location in a manner based on enhancing the extraction of material considered of value, relative to the effort and/or time in extracting that material. The present application discloses, amongst other things, a method of and apparatus for determining slope constraints, determining a cluster of material, determining characteristics of a selected portion of material, analysing a selected volume of material, propagating dusters, forming clusters, mine design, aggregation of blocks into collections or clusters, splitting of waste and ore in clumps, determining a selected group of blocks to be mined, clump ordering and identifying clusters for pushback design.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: April 14, 2009
    Assignee: BHP Billiton Innovation Pty. Ltd.
    Inventors: Gary Allan Froyland, Merab Menabde
  • Patent number: 7377593
    Abstract: A method for extracting minerals from a narrow-vein deposit by thermal fragmentation is provided. The method includes locating the vein and determining the extent thereof to form the boundaries of a stope. Access to the stope is prepared by forming a panel having an upper drift and a lower drift. Equipment for thermal fragmentation, including a burner, is installed from the upper drift. The burner moves along the panel surface in a sweeping motion, while rock chips spalled from the rock panel surface are collected. Multiple panels for processing can be realised, with lower panels being processed before upper panels, by excavating a sub-level to separate the lower and upper panels.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: May 27, 2008
    Assignees: Her Majesty the Queen in the right of Canada, as represented by the Minister of Natural Resources, Hydro Quebec
    Inventors: Jean-Marie Fecteau, Sylvie Poirier, Marcel Laflamme, Gill Champoux
  • Patent number: 7350874
    Abstract: In the method according to the invention and the arrangement or according to the invention for extracting extraction products in underground mining operations using the caving method, the extraction products (20) collapsing in an upper gate area (10) are extracted via at least one extraction funnel (13) or the like into an extraction path (14) driven below the gate and are transported away therein by means of an extraction conveyor (15). According to the invention the extraction funnels (13) are arranged laterally beside the extraction conveyor (15) and lead at their lower end into a ramp surface (17) inclined towards the extraction conveyor, the extraction products extracted from the gate through the extraction funnels being transported slidingly over the inclined ramp surface to the extraction conveyor.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: April 1, 2008
    Assignees: DBT GmbH, Codelco
    Inventors: Reinhold Brüggemann, Detlef Hahn, Frank Fischer, Jochen Hammel, Jörg Wirtz, Norbert Katthöfer, Frank Herrmann, Hans Tümpner, Harry Martin, Juan Delgado, Victor Raul Encina Montenegro, Pablo Antonio Letelier Parga, Jaime Hernan Carreno Valdés, Fernando Arturo Geister Bühlmann
  • Publication number: 20070170771
    Abstract: A method of underground mining includes mining material using a continuous miner to form at least one set of entries comprising a plurality of entries. A plurality of crosscuts extend between and connect the entries. A plurality of pillars are defined by the entries and crosscuts. The entries and crosscuts define a passage having a roof, a floor, and sidewalls. The pillars at least in part are adapted to prevent the roof of the passage from collapsing. Roof bolts are installed in the roof of the passage. Material is mined from the sidewalls of the passage with the continuous miner to form perimeter cuts extending outwardly from the passage. The perimeter cuts are free of roof bolts. At least approximately 30 percent of the material mined from within the set of entries is derived from the unbolted perimeter cuts.
    Type: Application
    Filed: January 25, 2007
    Publication date: July 26, 2007
    Applicant: PEABODY ENERGY CORPORATION
    Inventors: Mark Cavinder, Victor Daiber
  • Patent number: 6916071
    Abstract: A method for extracting mineral deposits is provided. First, a predetermined surface is contour mined to expose a portion of a mineral seam and provide an insertion highwall between a pair of endwalls. Successive mining passes are made through the mineral seam to extract the mineral deposits by moving from one endwall to the other endwall. Advancement of the mining operation occurs in a direction substantially perpendicular to the insertion highwall.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: July 12, 2005
    Inventors: Jeffrey K. Harman, Joey W. Harman
  • Patent number: 6869147
    Abstract: 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 small trailing access tunnel, processing of the valuable material in the excavation with the tailings optionally being used as backfill and the valuable material being transported to the surface, a plurality of movable shields for ground support, and/or a movable tail shield to provide interim support to the backfill while additional liner sections are installed and/or formed.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: March 22, 2005
    Assignee: Oil Sands Underground Mining, Inc.
    Inventors: Ronald D. Drake, Michael Helmut Kobler, John David Watson
  • Patent number: 6857706
    Abstract: The present invention is directed to a mining method for steeply dipping orebodies. In the method, an excavator 152 is tethered to a deployment system 120 by one or more cables/umbilicals 144. The excavator 152 excavates slices 172a-h of the orebody 100 by moving generally up-dip, down-dip or a combination thereof. The excavator can be automated.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: February 22, 2005
    Assignee: Placer Dome Technical Services Limited
    Inventors: Marilyn Patricia Ann Hames, Timothy B. Dimock, Edward William Drew Anwyll, Donald Duncan Young, Fredric Christopher Delabbio, Eric Jackson, Simon Mark Jackson
  • Patent number: 6851757
    Abstract: A method of mining an underground ore body includes the steps of: excavating a plurality of laterally spaced first, ventilation tunnels in the ore body using an auger mining machine; excavating a plurality of laterally spaced second tunnels in the ore body, each second tunnel intersecting at least one associated first tunnel and thereby defining a plurality of first support walls for supporting a roof of the mine, the first support walls comprising regions of the ore body intermediate adjacent second tunnels and each first support wall having a portion of at least one first tunnel extending laterally therethrough; providing a plurality of lateral conduits, each of which is aligned across a respective second tunnel between respective first tunnel portions defined in adjacent first support walls, to provide a series of continuos ventilation tunnels; backfilling the second tunnels to provide a plurality of second support walls for supporting the roof of the mine; and excavating the first support walls.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: February 8, 2005
    Assignee: Eskom
    Inventors: Dirk B Fourie, Christiaan H B Van Eeden, Jacobus H Jordaan
  • Patent number: 6848748
    Abstract: The extraction machine for underground ore extraction operations, with extraction of the extraction product by blasting has an advancing support equipment (11) and a face conveyor (18) coupled to it as well as at least one boring device (26) for the production of shot holes (23) and a loading device (27) to supply the face conveyor (18) with the blast rock loosened by blasting, whereby the boring device (26) and the loading device (27) are assigned to a common boring and loading machine (24), which can be driven along the face conveyor (18) at right angles to the direction of mining in the direction towards the rock face (20) running parallel to the direction of mining, or away from this.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: February 1, 2005
    Assignee: DBT GmbH
    Inventors: Ulrich Paschedag, Harry Martin
  • Patent number: 6817678
    Abstract: 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 forward end 20 to which the mined material from the continuous miner 12 is delivered. The apparatus 10 further includes an auger mining machine that advances an auger drill string 28 into the coal seam 11 in a direction generally normal to the road 13, with the mined material also being delivered to the conveyor 15.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: November 16, 2004
    Assignee: Cutting Edge Technology Pty. Ltd.
    Inventors: Peter Kenneth Seear, Brett Leismann
  • Patent number: 6796616
    Abstract: A method for extracting mineral deposits. First, a predetermined surface is contour mined in a mineral seam, such as a mountain, to provide an elongate active mining area and a highwall. Next, a sealable intake and return canopy is placed at substantially opposing ends of the mineral seam. A continuous miner then successively cuts a mineral seam in the elongate active mining area. Roof supports are advanced after each respective successive cut to support a roof of the elongate active mining area. After formation of an air seal and introduction of a conveyor in the elongate active mining area, either longwall or shortwall mining techniques may be used to cut a face of the mineral seam via a miner. Material cut from the face of the mineral seam is then discharged onto the conveyor. The intake and return canopies are then configured to allow ventilation of the active mining area by the introduction of air along the face of the mineral seam while the miner advances along the mineral seam.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: September 28, 2004
    Inventors: Jeffrey K. Harman, Joey W. Harman
  • Publication number: 20040174064
    Abstract: A method for extracting mineral deposits is provided. First, a predetermined surface is contour mined to expose a portion of a mineral seam and provide an insertion highwall between a pair of endwalls. Successive mining passes are made through the mineral seam to extract the mineral deposits by moving from one endwall to the other endwall. Advancement of the mining operation occurs in a direction substantially perpendicular to the insertion highwall.
    Type: Application
    Filed: March 16, 2004
    Publication date: September 9, 2004
    Inventors: Jeffrey K. Harman, Joey W. Harman
  • Patent number: 6672674
    Abstract: The extraction machine for underground ore extraction operations, with extraction of the extraction product by blasting has an advancing support equipment (11) and a face conveyor (18) coupled to it as well as at least one boring device (26) for the production of shot holes (23) and a loading device (27) to supply the face conveyor (18) with the blast rock loosened by blasting, whereby the boring device (26) and the loading device (27) are assigned to a common boring and loading machine (24), which can be driven along the face conveyor (18) at right angles to the direction of mining in the direction towards the rock face (20) running parallel to the direction of mining, or away from this.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: January 6, 2004
    Assignee: DBT GmbH
    Inventors: Ulrich Paschedag, Harry Martin
  • Publication number: 20040000810
    Abstract: A method for extracting mineral deposits. First, a predetermined surface is contour mined in a mineral seam, such as a mountain, to provide an elongate active mining area and a highwall. Next, a sealable intake and return canopy is placed at substantially opposing ends of the mineral seam. A continuous miner then successively cuts a mineral seam in the elongate active mining area. Roof supports are advanced after each respective successive cut to support a roof of the elongate active mining area. After formation of an air seal and introduction of a conveyor in the elongate active mining area, either longwall or shortwall mining techniques may be used to cut a face of the mineral seam via a miner. Material cut from the face of the mineral seam is then discharged onto the conveyor. The intake and return canopies are then configured to allow ventilation of the active mining area by the introduction of air along the face of the mineral seam while the miner advances along the mineral seam.
    Type: Application
    Filed: June 26, 2002
    Publication date: January 1, 2004
    Inventors: Jeffrey K. Harman, Joey W. Harman
  • Publication number: 20030173819
    Abstract: The present invention is directed to a mining method for steeply dipping orebodies. In the method, an excavator 152 is tethered to a deployment system 120 by one or more cables/umbilicals 144. The excavator 152 excavates slices 172a-h of the orebody 100 by moving generally up-dip, down-dip or a combination thereof. The excavator can be automated.
    Type: Application
    Filed: December 4, 2002
    Publication date: September 18, 2003
    Inventors: Marilyn Patricia Ann Hames, Timothy B. Dimock, Edward William Drew Anwyll, Donald Duncan Young, Fredric Christopher Delabbio, Eric Jackson, Paul Radu Prunianu, Allen Clifford Robinson, Simon Mark Jackson
  • Publication number: 20030168903
    Abstract: A method of mining an underground ore body, includes the steps of excavating at least one first tunnel in the ore body by means of an auger mining machine, and excavating at least one second tunnel in the ore body, the, or each, second tunnel coinciding in at least one point with at least one associated first tunnel. The invention extends to a method of backfill mining of an underground ore body, the method including the steps of excavating at least one first region of the ore body to retain at least one second region defined in the ore body, the, or each, second region providing a first support for a roof of the mine; backfilling at least one of the excavated first regions to provide a second support for the roof of the mine; and excavating at least a portion of the, or at least one of, the second regions of the ore body.
    Type: Application
    Filed: March 21, 2003
    Publication date: September 11, 2003
    Inventors: Dirk B Fourie, Christiaan H B Van Eeden, Jacobus H Jordaan
  • Patent number: 6607248
    Abstract: The present invention is to an improved method of constructing a coal processing plant and an improved arrangement therefore. The overall cost of constructing a coal processing plant can be significantly reduced by the arrangement of the processing to terminate in an underground sump. By providing a subfloor to the plant with subterranean sumps, the overall height necessary to house a plant can be reduced significantly.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: August 19, 2003
    Inventor: John J. Childress
  • Publication number: 20030137182
    Abstract: A plasma-hydraulic excavation system suitable for use in connection with mining operations is provided. According to the system, one or more groups of plasma-hydraulic projectors that include a reflector and a pair of electrodes are used to break an area of rock. The projectors include a connection box within which high voltage connections between the electrodes of the projector and a power supply cable may be made. Groups of projectors and supporting componentry may be housed within a common frame, to form an excavation module. Electrode insulators interconnected to the projector reflector in compression are also disclosed. A trigger circuit providing a voltage transformer for each projector in a group of projectors is utilized in connection with a series connected current source circuit to provide for the ignition of the projectors. According to an embodiment of the invention, multiple groups of projectors may be operated using a single current control switch.
    Type: Application
    Filed: January 3, 2003
    Publication date: July 24, 2003
    Inventor: William M. Moeny
  • Patent number: 6554368
    Abstract: 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 small trailing access tunnel, processing of the valuable material in the excavation with the tailings optionally being used as backfill and the valuable material being transported to the surface, a plurality of movable shields for ground support, and/or a movable tail shield to provide interim support to the backfill while additional liner sections are installed and/or formed.
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: April 29, 2003
    Assignee: Oil Sands Underground Mining, Inc.
    Inventors: Ronald D. Drake, Michael Helmut Kobler, John David Watson
  • Patent number: 6520591
    Abstract: The invention relates to the mining industry and can be used for working out mineral deposits, no matter what their thickness and dip angle are, and allows to reduce the volumes of overburden operations. The invention provides the working out the main reserves by openworks, with forming safety benches (22) on steps of an open cut. From the top view, reserves of each level (1) are being worked out by blasting descending holes in direction to working flank of an open cut with forming safety prisms near a designed contour thereof. The breaking out of safety prisms (5) is being carried out at the final stage of works on the level (1) with forming a vertical or close to vertical, slope within the level. Rocks of near-contour mass (6) in a zone of probable displacement of rocks being reinforced by injecting and/or installing prestressed anchors (8).
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: February 18, 2003
    Inventors: Ruslan Borisovich Jun, Vitaly Ivanovich Borsch-Komponiets
  • Patent number: 6497457
    Abstract: A coal mining operation begins by using directional drilling to bore several horizontal shafts through a coal deposit with its natural overburden still intact. Any methane gas permeating the coal deposit is pumped out and preferably sold as natural gas to commercial and residential customers, or used locally in support of mining operations. The methane gas evacuation continues until the concentrations are reduced to safe levels for mining. But before mining begins, ground penetrating radar equipment is lowered into the boreholes for electronic imaging studies of the coal deposit. One borehole is used for a transmitter and another for a receiver. Many measurements are made at a variety of frequencies and equipment positions within the boreholes. Such studies estimate the electrical conductivity of the surrounding material, and thereby give clues where and how much coal is actually deposited.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: December 24, 2002
    Inventor: Larry G. Stolarczyk
  • Patent number: 6474745
    Abstract: A method of mining using a pair of continuous mining machines 12 and an auger mining machine 16. The continuous mining machines form spaced longitudinal roads 10, 11, 13 and 14. Further longitudinal roads 17 are formed by the auger mining machine 16 with subsequent transverse roads 19 being sequentially by the continuous mining machines 12.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: November 5, 2002
    Assignee: Cutting Edge Technology PTY Ltd.
    Inventor: Peter Kenneth Seear
  • Patent number: 6460937
    Abstract: A method of roadway development for longwall mining The method includes using a continuous mining machine (100) from which there rearwardly extends a conveyor (102). As the machine (100) progresses to form a road, the conveyor (102) extends. At the rear extremity of the conveyor (102) a roadway development auger mining machine (103) receives mined material from the conveyor (102) and delivers it to a further conveyor (104). A transverse auger (106) also conveys material from the parallel roadway to the machine (103). Mined material is delivered to the auger (106) by a further machine (101) and conveyor (107).
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: October 8, 2002
    Assignee: Cutting Edge Technology Pty Ltd.
    Inventors: Peter Kenneth Seear, Bret Edward Leisemann
  • Publication number: 20020096934
    Abstract: 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 forward end 20 to which the mined material from the continuous miner 12 is delivered. The apparatus 10 further includes an auger mining machine that advances an auger drill string 28 into the coal seam 11 in a direction generally normal to the road 13, with the mined material also being delivered to the conveyor 15.
    Type: Application
    Filed: January 18, 2002
    Publication date: July 25, 2002
    Applicant: CUTTING EDGE TECHNOLOGY PTY LTD
    Inventors: Peter Kenneth Seear, Brett Leismann
  • Publication number: 20020005660
    Abstract: A method of mining using a pair of continuous mining machines 12 and an auger mining machine 16. The continuous mining machines form spaced longitudinal roads 10, 11, 13 and 14. Further longitudinal roads 17 are formed by the auger mining machine 16 with subsequent transverse roads 19 being formed sequentially by the continuous mining machines 12.
    Type: Application
    Filed: June 25, 2001
    Publication date: January 17, 2002
    Applicant: CUTTING EDGE TECHNOLOGY PTY LTD
    Inventor: Peter Kenneth Seear
  • Publication number: 20010006304
    Abstract: A method of roadway development for longwall mining. The method includes using a continuous mining machine (100) from which there rearwardly extends a conveyor (102). As the machine (100) progresses to form a road, the conveyor (102) extends. At the rear extremity of the conveyor (102) a roadway development auger mining machine (103) receives mined material from the conveyor (102) and delivers it to a further conveyor (104). A transverse auger (106) also conveys material from the parallel roadway to the machine (103). Mined material is delivered to the auger (106) by a further machine (101) and conveyor (107).
    Type: Application
    Filed: December 18, 2000
    Publication date: July 5, 2001
    Applicant: CUTTING EDGE TECHNOLOGY PTY LTD
    Inventors: Peter Kenneth Seear, Bret Edward Leisemann
  • Patent number: 5871260
    Abstract: 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 horizontal axis powered cutter head mounted to its front and a conveyor extending from a gathering head toward the rear of the chassis. The conveyor includes a conveyor chain driven by at least one motor near the rear of the chassis for driving a sprocket. The gathering head includes a pair of counter-rotating discs with upstanding vanes and a deck having a maximum angle of about 10.degree. with respect to the dimension of elongation of the chassis. A small diameter idler sprocket for the conveyor chain is mounted beneath the deck, and a small diameter drive sprocket is provided for the cutting chain of the cutting head.
    Type: Grant
    Filed: February 11, 1997
    Date of Patent: February 16, 1999
    Inventor: Frank A. Delli-Gatti, Jr.
  • Patent number: 5782539
    Abstract: A mining process that consists of a combination of surface mining and underground mining techniques carried out in a novel extraction sequence. The coal seam is first mined by surface-mining stripping methods to produce a highwall. Roadways to a predetermined distance underground from the surface highwall are then developed using continuous mining equipment, so that a panel of coal with a minable underground face or wall is blocked out. A longwall is then set up at the face and the panel is mined in retreat toward the surface highwall to a safety barrier determined by the highwall slope. Adjacent panels are successively developed and extracted by longwall mining, thereby permitting the recovery of substantially all coal reserves between the surface highwall and the predetermined distance at which the underground wall was set up.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: July 21, 1998
    Inventor: Randall D. Peterson
  • Patent number: 5769504
    Abstract: Shortwall mining equipment for extraction of some pillars in an underground coal mine has a series of self-advancing powered roof supports (1) for placement along the pillars (2) under extraction, the pillars under extraction being located within a panel (3) which is surrounded by barrier pillars (4), an armoured face conveyor (5) fixed to the barrier pillars, a light duty chain conveyor (18) and a belt conveyor (19). Each of the self-advancing powered roof supports (1) has at a goaf end a support mechanism (6) on a base frame (14) with a side shield (7) and hydraulic ram side arms (10). The base frame (14) is provided with front and back side hooks (11 & 12) to facilitate pulling of the support mechanism (6). The armoured face conveyor (5) is provided with a shearer (15) having a cutter drum (16) coupled with a centrally located ranging arm (17), an outbye end of he armoured face conveyor (5) being at a right angle to and set upon the light duty chain conveyor (18) as a freely advancing bridge.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: June 23, 1998
    Assignee: Council of Scientific & Industrial Research
    Inventors: Sibnath Maity, Bharat Bhushan Dhar, Sibnath Mukherjee