| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 299010000 | PROCESSES | 88 |
| 20090218876 | METHOD OF ACHIEVING HYDRAULIC CONTROL FOR IN-SITU MINING THROUGH TEMPERATURE-CONTROLLED MOBILITY RATIO ALTERATIONS - The present invention relates to a method of fluid containment and control for in-situ mining, particularly to a method of uranium mining. | 09-03-2009 |
| 20130033088 | AUTOMATED PRE-TRAMMING OPERATION OF A MINING MACHINE - Methods and systems for automatically operating a continuous mining machine. One method includes accessing at least one coordinate of a cutting face stored in a computer-readable medium, automatically operating a first actuator to position a platform a predetermined clearance distance from the at least one coordinate, the platform supporting a cutterhead, and automatically operating a second actuator to position an arm at a tramming position after positioning the platform the predetermined clearance distance from the at least one coordinate, the arm coupled to the platform and including the cutterhead. | 02-07-2013 |
| 20130033087 | AUTOMATED CUTTING OPERATION OF A MINING MACHINE - Methods and systems for automatically operating a continuous mining machine. One method includes accessing at least one coordinate of a cutting face stored in a computer-readable medium, automatically operating at least one actuator to position a platform a predetermined starting distance from the at least one coordinate, the platform supporting a cutterhead, and automatically operating the at least one actuator to advance the platform toward the cutting face and beyond the at least one coordinate by a predetermined depth-of-cut to perform a cut of the cutting face with the cutterhead. | 02-07-2013 |
| 20130076100 | TUNNEL EXCAVATION APPARATUS AND TUNNEL EXCAVATION METHOD - Disclosed is a tunnel excavating apparatus for excavating tunnels in earth. This tunnel excavating apparatus comprises shell bodies, an excavating mechanism disposed on front of the excavating portion shell body, and a propelling mechanism disposed within the shell body. The shell bodies include an excavating portion shell body, a front shell body, and a rear shell body disposed in order from the leading end side in the advancing direction of excavation. The propelling mechanism comprises a projection mechanism and an extension mechanism. The projection mechanism includes front circumferential jacks in the front shell body and rear circumferential jacks in the rear shell body, both of which are capable of extension and contraction in the outer circumferential direction. The extension mechanism includes front axial jacks interposed between the excavating portion shell body and the front shell body, and rear axial jacks interposed between the front shell body and the rear shell body, both of which are capable of extension and contraction in the direction of advancing excavation. | 03-28-2013 |
| 20100109421 | WATER COOLING SYSTEM FOR GRINDER BLADES - A pavement diamond grinder used for grinding and/or grooving pavement surfaces as the grinder carriage with a rotating arbor supporting radio blades. A cooling and dust control system delivers water to the arbor. The system includes a spray bar with nozzles that atomizes the water prior to engagement with the blades. The system utilizes a wiper debris removal device to clean the blades. In addition, a device that is utilized to effect turbulence adjacent to the blades and improve contact of the atomized water with the blades. | 05-06-2010 |
| 20100109420 | MILLING HEAD AND METHOD FOR MACHINING PILE HEADS - The milling head ( | 05-06-2010 |
| 20100109419 | Mining and demolition tool - Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion. | 05-06-2010 |
| 20100109418 | Mining and Demolition tool - Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining and demolition bit tool includes a mining tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There is at least one flute positioned along the tapered surface, where the flute is helical in shape. The stem extending from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion. | 05-06-2010 |
| 20130082508 | Side Plate Arrangement For A Milling Device, Use Of A Side Plate Arrangement And Milling Device With A Side Plate Arrangement - The present invention relates to a side plate arrangement for a milling device, comprising a milling roller box arranged on a frame of the milling device, having a side plate whose height can be adjusted and a side plate support having a swivel bearing with a swivel axis around which the side plate can swivel against the frame in a swivel area. The present invention further relates to the use of a swivel guide and a milling machine with such a side plate arrangement. One element of the present invention is a guide curve running concentrically to the swivel axis, with the help of which the swivel movement of the side plate around the swivel axis is carried out. | 04-04-2013 |
| 20120212033 | Road Grinding Machine - A ridge in a lane of a roadway is ground away by providing a transverse beam carried on the support arms of a transport vehicle across a front of the vehicle, locating the vehicle longitudinally of the lane with the beam extending across the roadway and with the beam located by the vehicle in fixed position parallel to and above the ridge, moving a grinding assembly carried on the beam along the beam for grinding the ridge. The beam carries a gauge for a depth of grinding. The grinding assembly includes a toothed grinder rotatable about an axis transverse to the beam with a width transverse to the beam which is approximately equal to the width of the ridge. | 08-23-2012 |
| 20090284069 | Pocket Protecting Retainable Cutter Bit - Pocket protecting retainable cutter bits used on various mining, excavating, and foundation drilling tools and equipment are disclosed. The invention includes a combination of one or more free spinning wear rings axially mounted in recessed portions of the cutter bit shank and a groove and snap ring retainer. The wear rings are tapered on at least one end to assist in installation and designed to compress as the cutter bits are installed into cutter bit pockets. These wear rings are designed to protect the inside surface of the pocket by acting as a barrier between the spinning cutter bit and the stationary inside surface of the pocket. The cutter bit shank is longer than the cutter bit pocket and when installed passes through the pocket and extends past the axial length of the pocket. A flange is included with the cutter bit to protect the outer surface of the pocket. | 11-19-2009 |
| 20130093236 | Demountable Pin and Collet Assembly and Method to Securely Fasten a Ranging Arm to a Longwall Shearer Using Such Assembly - A pin-and-collet assembly, a longwall shearer comprising a ranging arm attached to a lifting bracket with such assembly, a method for the secure fastening of one piece to another, such as securely fastening the ranging arm to the lifting bracket of a longwall shearer using such assembly as a bushing, and a method for longwall mining of ore, such as trona, using such longwall shearer. This assembly is easy to install, does not have to be tightened during longwall operation of an ore panel, and is also demountable when it is time to stop the longwall mining operation and time to remove/replace the ranging arm for maintenance and/or when the end of the ore panel is reached. | 04-18-2013 |
| 20090236898 | Ice Grooving Device and Method - A groove is formed in a body of ice using a milling cutter to form lines of weakness for breaking up the body of ice. The shaft of the milling cutter is arranged to be supported in an upright orientation such that the shaft extends through a surface of the body of ice into the body of ice. Rotating the shaft as the milling cutter is displaced along the surface forms a groove which can follow a variable path to follow natural obstacles when cutting across a body of ice on a natural body of water for example. The ice milling cutter is compact and therefore safer to use on sheets of ice as compared to heavy equipment conventionally used for breaking up ice. | 09-24-2009 |
| 20090322142 | ROCK SAMPLING APPARATUS - The present invention uses an Oscillating Disc Cutter (ODC) in a controlled manner to cut rock for assay purposes. The ODC ( | 12-31-2009 |
| 20110266859 | MINING AND DEMOLITION TOOL - Apparatus, methods, and other embodiments associated with a mining and demolition tool are described herein. In an embodiment, a mining bit tool includes a mining and demolition bit tool base and a mining bit tool tip coupled to the mining bit tool base. The base includes a tapered portion and a stem. The tapered portion includes a first end and a second end, with a surface tapering from the first end to the second end. There are at least two flutes positioned along the tapered surface, where a first flute is positioned at an angle relative to a longitudinal axis passing through the center of the mining bit tool and a second flute is positioned to cross a path of the first flute. The stem extends from the first end of the tapered portion, and the tip is coupled to the second end of the tapered portion. | 11-03-2011 |
| 20090289492 | Static Crushing Method, Aid for Static Crushing Used for the Crushing Method, and Filling Tool - A static crushing method capable of extremely safely and efficiently performing crushing operation by efficiently crushing the surface of an object to be crushed, an aid for static crushing used for the crushing method, and a filling tool. The static crushing method comprises the steps of forming a drilled hole ( | 11-26-2009 |
| 20090295217 | Method and apparatus for the removal of floor coverings - A method and the associated apparatus for the removal of floor coverings are presented. The removal of floor coverings is achieved in that up to 24 grooves ( | 12-03-2009 |
| 20090127918 | VIBRATORY MILLING MACHINE HAVING LINEAR RECIPROCATING MOTION - A continuous mining method includes operating a vibratory milling machine having a milling head, a base, and a milling tool to oscillate the milling head in a substantially linear reciprocating fashion relative to the base to move the milling tool along a milling axis; and advancing the vibratory milling machine in a work piece in a cutting direction and wherein milling axis is oriented at an attack angle relative to the cutting direction, the attack angle being between about 0 and about 40 degrees. | 05-21-2009 |
| 20110227394 | Method, Apparatus And Computer Program For Scheduling The Extraction Of A Resource And For Determining The Net Present Value Of An Extraction Schedule - The scheduling of extraction of a resource within a mine is disclosed which comprises obtaining drill hole grade data relating to the resource and creating a plurality of different block models, with each block in each model having a resource grade and each of the block models honouring the drill hole grade data. An extraction schedule is determined based on a cut-off grade policy to increase expected net present value of the mine. The cut-off grade policy can be a variable cut-off grade and the scheduling using the variable cut-off grade is converted from a non-linear representation to a linear representation and a mixed integer programming formulation is used for simultaneous optimisation of the extraction schedule and the cut-off grade. | 09-22-2011 |
| 20110227393 | Self-Propelled Civil Engineering Machine And In Particular A Road-Milling Machine, Road Recycler Or Road Stabilizer - The invention relates to a self-propelled civil engineering machine, in particular a road-milling machine, a road recycler, or a road stabilizer, having a frame carried by a set of running gear, a working unit for performing work required for the civil engineering operation, and in particular a working drum, and a drive unit carried by the frame of the machine, to drive the working drum. A power transmitter is used to transmit the driving power from the drive unit to the working unit. The drive unit of the self-propelled civil engineering machine has a first and a second drive engine, the power transmitter being so designed that the driving powers coming from the first and the second drive engines can be transmitted to the working unit together. With the design of drive according to the invention, a particularly space-saving construction is obtained for the drive and this allows the power of the drive unit to be increased without having to exceed the present width for transport of the self-propelled civil engineering machine. | 09-22-2011 |
| 20100259091 | METHOD FOR CONTROLLING A CUTTING EXTRACTION MACHINE - The invention relates to a method for controlling a cutting extraction machine, which can be moved along a working front in longwall mining, in which method the heat emission of the working face ( | 10-14-2010 |
| 20100001574 | METHOD AND APPARATUS FOR THE MILLING CUTTING OF MATERIALS - An apparatus for the milling and/or drilling cutting of materials, in particular for the removal of rock, minerals or coal, with a tool drum which is mounted on a drum carrier rotatably about a drum axis, in which a plurality of tool shafts, which carry cutting tools at their ends projecting from the tool drum, are rotatable drivable mounted, at least two of the tool shafts being drivable by a common gear drive which has power take-off gearwheels arranged fixedly in terms of rotation on the tool shafts, and a common drive element which cooperates with the power take-off gearwheels. The drive element and the tool drum being rotatable in relation to one another and the shaft axes of the tool shafts standing transversely to the drum axis. | 01-07-2010 |
| 20090200855 | Manually Rotatable Tool - In one aspect of the present invention, a tool assembly comprises a rotary portion and a stationary portion. The rotary portion comprises a bolster bonded to a diamond symmetric, substantially conically shaped tip. The stationary portion comprises a block mounted to a driving mechanism. A compressible element is disposed intermediate and in mechanical contact with both the rotary and stationary portions. The compressible element is compressed sufficiently to restrict free rotation during a degradation operation. | 08-13-2009 |
| 20090033140 | Use Of Foam To Increase Resistance To Gas Flow In Mine Applications And Apparatus For Delivering Same - A process for increasing resistance to the flow of gas in underground mining operations includes providing a foam composition at desired selected locations to create a barrier to the flow of gas. | 02-05-2009 |
| 20110062768 | Mining Machine and Method of Mining - The invention provides a mining machine and a method of mining. The mining machine includes a body, an arm mounted on the body for angular displacement relative to the body, a mining head mounted on an end region of the arm for rotation relative to the end region of the arm, drive means for driving the mining head to rotate relative to the end region of the arm while the mining head is in abutment with a mining face, and drive means for driving the arm to displace angularly relative to the body, such that, in use, the arm can be driven to displace angularly relative to the body to sweep the mining head across a mining face while the mining head is driven to rotate and in abutment with the mining face, thereby to mine the mining face. | 03-17-2011 |
| 20110062767 | CLOSE PROXIMITY GRINDER - A close proximity pavement grinder is utilized for grinding close to a raised structure such as a lower surface of curbs close to the curb wall. The grinding apparatus utilizes a wide grinding head with grinding blades mounted along the length of an arbor to grind the lower surface of the curb in a single pass. The grinder includes a narrow bearing and support at the outer end of the arbor and is driven at the inner end so that the grinding may be conducted within close proximity of the curb wall. The grinder has a pivoting grinding head that can be locked at various angles relative to the grinder to match the relative angles between the pavement and the lower surface of the curb. | 03-17-2011 |
| 20110062766 | DRIVE FOR A CUTTING OR GRINDING MACHINE - The present invention provides a drive for a grinding or cutting machine. The drive comprises a body having a drive coupling for receiving at least one drive shaft in a manner so that the or each drive shaft is drivable by the drive. The drive also comprises a mount for mounting the body to a portion of the machine such as to a linkage arm of an earth grinding or cutting vehicle. The drive coupling is arranged to inter-fit with a portion of the or each drive shaft. | 03-17-2011 |
| 20120146388 | Construction Machine, In Particular Road Milling Machine, Miner, Recycler or Stabilizer - The construction machine according to the invention is distinguished by the fact that an air-processing apparatus ( | 06-14-2012 |
| 20110095594 | Construction Machine, In Particular Road Milling Machine, Recycler Or Stabilizer, As Well As Drive Train For Construction Machines Of This Type - A construction machine, in particular road milling machine, recycler or stabilizer, with a machine frame ( | 04-28-2011 |
| 20110215634 | Auxiliary Drive - A construction machine for the treatment of ground surfaces includes a machine frame, a drive motor, a work drum supported from the machine frame and including exchangeable tools fastened to the work drum, a belt drive and an auxiliary drive. The belt drive includes a motor-side pulley connected to the drive motor, a drum-side pulley connected to the work drum, and at least one drive belt connecting the motor-side pulley to the drum-side pulley. The auxiliary drive may be permanently coupled to the belt drive, or the auxiliary drive may include an adjustment mechanism for moving the auxiliary drive between a coupled and an uncoupled position. | 09-08-2011 |
| 20120038203 | Pick Assembly with Integrated Piston - In one aspect of the present invention a pick assembly comprises a rotatable drum comprising at least one block disposed on a circumferential surface of the drum. The at least one block comprises a cavity comprising a cylinder. A pick comprises a working end and an opposing base end wherein the base end is disposed within the cavity and comprises a piston that is slidably retained within the cylinder. | 02-16-2012 |
| 20120001474 | METHOD OF MINING ORE - 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. | 01-05-2012 |
| 20090230755 | Method and Device for Mining Subsurface Deposits - In a method for mining underground deposits using a mining machine, wherein an upper and a lower drift are driven, which extend on both sides of the deposit to be mined, and a preliminary bore is sunk between the two drifts, a supporting device is fixed at the mouth of the preliminary bore in the upper drift. A mining machine supported on the supporting device is positioned at the mouth of the preliminary bore so as to be oriented in the longitudinal direction of the preliminary bore, and the mining machine is advanced from the upper drift to the lower drift corresponding to the course of the preliminary bore. | 09-17-2009 |
| 20120019044 | Holder Block for Both Radial and Conical Tool Picks - A holder block and pick assembly including a pick, a washer, and a block body. The pick includes a shoulder and a shank extending rearwardly from the shoulder and having a diameter smaller than the diameter of the shoulder. The washer has a central opening adapted to fit about the shank adjacent to the shoulder and a substantially flat edge disposed substantially perpendicular to a radius of the central opening. The block body includes a bore for receiving the shank, a base surface at a lower end of the body for mounting the body to a rotatable element of a rotary cutting machine, and a stop extending frontwardly from the front face of the body and having a surface located substantially perpendicularly to a radius of the bore such that when the pick shank is inserted into the bore with the washer disposed about the shank adjacent to the shoulder, the flat edge of the washer engages the surface of the stop to substantially prevent the washer from rotating with respect to the block. | 01-26-2012 |
| 20120205963 | METHOD OF CHARACTERISING A RESOURCE - The present disclosure provides a method of characterising a resource in a block located in an area. The method comprises the step of providing information concerning a property of the resource for a plurality of sample positions in, at or in the environment of the block. The information is obtained from analyses of samples from the sample positions. The method further comprises modelling a change in the property along a distance at or within the block using the provided information. The method also comprises calculating parameters associated with the modelled change using Bayes' theorem and calculating a property characteristic of the resource for the block using the calculated parameters. | 08-16-2012 |
| 20120313422 | METHOD AND DEVICE FOR WORKING ROCK - A method and rig for driving tunnels, galleries, shafts or the like. The rig has a movable base unit that over a support unit supports a carrying unit which in turn carries a cutting head having outwardly directed cutting elements. The method includes rotating the cutting head around a general axis of rotation and applying the cutting head against a rock surface to be worked. The carrying unit is swung into a first chosen mutual position in respect of the support unit. The support unit is rotated into a second chosen mutual position with respect to the base unit around an axis that is essentially longitudinal with respect to the base unit. An angle of operation of the cutting head is controllable. | 12-13-2012 |
| 20090026829 | Rotary cutting pick - A cutting pick comprises an elongate shank and a cutting tip mounted to one end of the shank. The cutting tip has a leading end, a trailing end and a mounting portion for mounting to the shank. The tip has a shape such that it diverges outwardly in a direction from the leading end to the trailing end to a portion of maximum diameter. An annular sleeve is attached about the shank adjacent to and in non-contacting relationship with the trailing end of the cutting tip. The maximum diameter of the cutting tip is of greater diameter than the diameter of the inner diameter of the annular sleeve so that the portion of maximum diameter overlies the sleeve radially. | 01-29-2009 |
| 20120187743 | METHOD OF CONTROLLING A MINER TO CAUSE WOBBLE IN THE CUTTING HEADS - Methods, systems, and computer-readable media containing instructions for controlling a miner. One system includes a cutter head, a left tram system, a right tram system, and a cutter head controller. The cutter head includes a plurality of bits and a plurality of sections defining at least one recess. The left and right tram systems are configured to move the miner, and the cutter head controller is configured to vary a current speed of at least one of the left tram system and the right tram system to cause the cutter head to alternate back and forth to bring the plurality of bits into engagement with material accumulating within the least one recess. | 07-26-2012 |
| 20120256470 | Drum Housing For A Working Drum Of A Construction Machine Or Mining Machine, Construction Machine Or Mining Machine, As Well As Method For Monitoring The Condition Of A Working Drum Of A Construction Machine Or Mining Machine - In a drum housing for a working drum of a construction machine or mining machine, said working drum being provided with tools and rotating about a drum axis, with a housing shell which at least partially encloses the circumference of the working drum, and with at least one inspection opening for a monitoring device arranged in the housing shell, wherein said monitoring device inspects the condition of the working drum or the tools thereof, it is provided for the following features to be achieved: a closing mechanism is arranged on the outside of the housing shell, said closing mechanism enabling closure of the at least one inspection opening. | 10-11-2012 |
| 20120139325 | SYSTEM AND METHOD FOR TERRAIN ANALYSIS - Described herein is a computerised method for identifying and classifying edges in a dataset representative of an open-pit mine terrain. The method includes the step of identifying one or more surfaces of the terrain having common topological attributes ( | 06-07-2012 |
| 299011000 | Stabilizing underground structure | 1 |
| 20110049965 | Apparatus and method for mining coal - 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. | 03-03-2011 |
| 299012000 | Mine safety | 4 |
| 20130049436 | Refuge Chamber and Method - A refuge chamber for miners in a mine includes a skid. The chamber includes a tent that is disposed in the skid in an undeployed state which is expandable to a deployed state and extends from the skid to provide a protected atmosphere for the miners. A method for providing a refuge chamber for miners in a mine including the steps of opening a skid made of metal. There is the step of expanding a tent that is disposed in the skid in an undeployed state to a deployed state that extends from the skid to provide a protected atmosphere for the miners. | 02-28-2013 |
| 20120019045 | WATER SPRAY SYSTEM FOR CONTINUOUS MINER AND METHOD OF USE - A continuous miner has a number of specially located water sprays to form a curtain of water spray across at least a portion of the miner width and behind the cutting assembly of the miner to suppress dust that would otherwise be directed to the operator of the miner and cause the miner operation to be out of compliance with safety regulations. | 01-26-2012 |
| 20090134692 | METHOD AND APPARATUS FOR MONITORING GATEROAD STRUCTURAL CHANGE - A method and apparatus is provided for determining structural change in a mining operation. A first scan of gateroad surfaces is obtained and information of the scan profile is stored. At a later time a second scan of the gateroad surfaces is then obtained. Information of the scans can be registered and any difference noted. If the difference exceeds a threshold a warning can be provided indicating a gateroad structural change that may be hazardous. The scans can be made from a single sensor, or from multiple sensors ( | 05-28-2009 |
| 20120119562 | MINE SAFETY SYSTEM - 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. | 05-17-2012 |
| 299013000 | Explosive | 5 |
| 20100276984 | SELF-STEMMING CARTRIDGE - A cylindrical casing ( | 11-04-2010 |
| 20100225155 | USE OF POST-BLAST MARKERS IN THE MINING OF MINERAL DEPOSITS - A method of mining a mineral deposit includes setting a plurality of explosive charges at spaced pre-blast locations in the deposit, wherein at least selected pre-blast locations also carry respective markers that are such that the post-blast location of at least a useful proportion will be detectable after explosion of the charges. After the charges are exploded to fragment the deposit, the post-blast locations of certain of the markers are detected to obtain an indication of the relative positions of selected components of the mineral deposit after the fragmentation of the deposit by the exploding of the charges. Also disclosed is a method utilising a plurality of markers arranged to emit a detectable signal after blast fragmentation, and detecting the post-blast locations by triangulation techniques employing a plurality of receiver detectors. A further aspect proposes the use of secondary explosive charges as post-blast markers. | 09-09-2010 |
| 20120242135 | METHOD OF UNDERGROUND ROCK BLASTING - A method of blasting rock at an underground blast site in which boreholes ( | 09-27-2012 |
| 20100295359 | Collapsible Cushion - A method of mining a valuable metal or material in an ore body is described. The method comprises the steps of: a) placing a cushion in a stope whereby the cushion creates a void into which fragmented rock can expand during subsequent blasting operations for a second or subsequent panel; and, b) maintaining the void until blasting operations occur whereupon the void is caused to collapse to accommodate fragmented ore generated during blasting operations. | 11-25-2010 |
| 20100156167 | ORE EXTRACTION USING COMBINED BLAST AND THERMAL FRAGMENTATION - A process for extracting ore from a vein ( | 06-24-2010 |
| 299014000 | Directly applying heat or vibration | 4 |
| 20080265654 | Microwave process for intrinsic permeability enhancement and Hydrocarbon extraction from subsurface deposits - Hydrocarbons are extracted from a target formation, such as oil shale, tar sands, heavy oil and petroleum reservoirs, by apparatus and methods which cause fracturing of the containment rock and liquification or volatization of the hydrocarbons by microwave energy directed by a radiating antenna in the target formation. | 10-30-2008 |
| 20110227395 | METHOD OF AND APPARATUS FOR PLASMA BLASTING - A method, system and apparatus for plasma blasting comprises a solid object having a borehole, a blast probe comprising a high voltage electrode and a ground electrode separated by a dielectric separator, wherein the high voltage electrode and the dielectric separator constitute an adjustable probe tip, and an adjustment unit coupled to the adjustable probe tip, wherein the adjustment unit is configured to selectively extend or retract the adjustable probe tip relative to the ground electrode and a blasting media, wherein at least a portion of the high voltage electrode and the ground electrode are submerged in the blast media. The blasting media comprises a thixotropic or electro-rheological fluid. The adjustable tip permits fine-tuning of the blast. The property of instantaneous high viscosity of thixotropic and electro-rheological fluids is advantageously used to seal the cavity containing the blasting probe thereby increasing the blasting pressure making the whole system more efficient. | 09-22-2011 |
| 20080224527 | CONTINUOUS EXTRACTION OF UNDERGROUND NARROW-VEIN METAL-BEARING DEPOSITS BY THERMAL ROCK FRAGMENTATION - 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. | 09-18-2008 |
| 20090184563 | Method of Breaking Brittle Solids - A method for fracturing a solid material is disclosed. The method comprises boring at least one bore hole in the solid material, the bore hole having a bottom and an open top. Reactive materials capable of an exothermic reaction to produce a liquid and a gas are introduced into the bore hole. The bore hole is then sealed at the open top. The exothermic reaction is then initiated to produce the liquid and the gas. The pressures generated by the liquid and gas in the bore hole result in fracturing of the solid material. | 07-23-2009 |
| 299015000 | Forming blocks (e.g., quarrying) | 1 |
| 20100141012 | METHOD OF QUARRYING DIMENSIONAL STONE, AND LINE DRILLING APPARATUS - The invention relates to a method of quarrying dimensional stone and to a line drilling apparatus used therein. The drilling apparatus ( | 06-10-2010 |
| 299016000 | Breaking down by direct contact with fluid | 6 |
| 20110198913 | Gas Generator For Splitting And Destructing Materials, Ignition Unit And Composition For Use In Gas Generators - A gas generator device ( | 08-18-2011 |
| 20100141013 | Coal burning methods & apparatus - Coal burning waste gases, notably carbon dioxide (CO2), can be removed or sequestered, and the distribution and utilization of coal as a safe, efficient, and convenient heat source can be improved. | 06-10-2010 |
| 299017000 | Jetting (e.g., hydraulic mining) | 4 |
| 20130127231 | Hydraulic Mining System for Tabular Orebodies Utilising Directional Drilling - A mining system for extracting ore using directional chilling techniques to obtain access to the orebody. Spaced-apart roadways are formed in the ore formation, with a downhill roadway being lower in elevation than the other roadway, and the downhill roadway having a ditch therein draining downhill. A borehole is formed between roadways in the ore formation using the directional drill bit, and then the end of the drill string is equipped with a jetting nozzle. The jetting nozzle is moved within the borehole to erode the formation and mine the ore. In one embodiment, a slurry of mined ore and jetting fluid flows as a slurry down the intersection of the mined face and the floor towards a ditch formed in the downhill roadway. In another embodiment, a slurry of the mined ore and the jetting fluid flows down the borehole, and then down the ditch formed in the downhill roadway. In each case, the ore flows down the downhill roadway to a sump. From the sump, the ore is carried to the surface for transportation and eventual refining or use. | 05-23-2013 |
| 20100090516 | METHOD FOR SUB-GLACIAL MINERAL RECONNAISSANCE AND RECOVERY - A method for sub-glacial mineral reconnaissance and recovery comprises analyzing silt and solutes in fluvial sub-glacial streams of a glacier. Boreholes are formed in the glacier and melt-water flow is analyzed to establish concentration gradients of minerals in the solutes and sediments. After significant mineral deposits are identified, conventional mining techniques may be used to recover minerals. | 04-15-2010 |
| 20110204699 | DEVICE AND A METHOD FOR MOVING A JET MEMBER - A device for moving a jet member in a first path over a layer to be treated by the jet has means configured to enable input of data relating to a geometrical shape of a surface of said layer to be treated by the jet member and means configured to use said data for calculating end positions (S | 08-25-2011 |
| 20110309668 | METHOD FOR CONVERTING HYDRATES BURIED IN THE WATERBOTTOM INTO A MARKETABLE HYDROCARBON COMPOSITION - A method for producing hydrocarbons wherein hydrates are excavated from the sea bottom and mixed into a transportable slurry, the slurry being pumped to a support vessel, using near sea bottom positive displacement hydraulic pumps, where the hydrates are converted into a hydrocarbon containing stream, with excavation tailings being pumped down to hydraulic motors to drive the hydraulic pumps. | 12-22-2011 |
| 299018000 | With material-handling | 27 |
| 20110175429 | MINING SYSTEM - A method of mining ore in a mine pit ( | 07-21-2011 |
| 20130033089 | MATERIAL HANDLING SYSTEM FOR MINING MACHINE - A mining machine for cutting material from a mine wall includes a cutting head that is movable to engage the mine wall, a vacuum duct positioned proximate the cutting head and including an inlet for receiving the material that is cut from the mine wall, and a sizer for reducing the size of material that passes into the vacuum duct, the sizer being positioned proximate the inlet. | 02-07-2013 |
| 20080197690 | Highwall Mining System, Conveyor Segment And Method For Providing Such A Mining System - The invention relates to a highwall mining system comprising: a cutterhead ( | 08-21-2008 |
| 20090236899 | Leach recovery of oil from oil sands and like host materials - Oil sands and like host materials are leached with a selected leachant to render pumpable the oil (including heavy oil, bitumen or kerogen and asphaltenes) as leachate. In a preferred embodiment, natural deposits are in situ leached and the leachate recovered and removed for treatment. The leachant is separated and recycled. The leachant is selected to be biodegradable and to not precipate asphaltenes, and to comprise monoterpenes of the formula C | 09-24-2009 |
| 20130119745 | CONTINUOUS-EXTRACTION MINING SYSTEM - 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. | 05-16-2013 |
| 20110278907 | Concrete Profiler With Vacuum System - A concrete or asphalt profiling apparatus which operates without the use of a wetting agent includes a housing that encloses a plurality of diamond-tipped blades mounted to an arbor and adapted for high-speed rotation, and a suction device in communication with an area enclosed by the housing and configured to generate a suction force so to remove non-wetted dust generated during a profiling operation. During the profiling operation, a mixture of non-wetted dust and air can be drawn from the housing through a conduit and into a container by means of the suction device. An internally supported filter membrane extending into the container separates the concrete dust from the air in the mixture such that a portion of the concrete dust falls into a lower chamber and a portion of the concrete dust cakes on the filter membrane. The apparatus further includes a compressed air port that is adapted to selectively expel compressed air toward the filter membrane to dislodge concrete dust caked thereon. | 11-17-2011 |
| 20090085395 | CONNECTION ARRANGEMENTS FOR MINE CONVEYOR SECTIONS - Arrangements are for use with interconnected conveyor sections, such as push beams, commonly found in mining applications. In one embodiment a mechanism includes an elongated dog-bone shaped coupler having a first and second end for insertion between the conveyor sections. A first end of the coupler is secured to a first conveyor section, while a second end of the coupler is received in a recess formed in a second conveyor section. A pivotally mounted cam includes a recess for mating with the upwardly projecting, flared portion of the second end of the coupler. The cam pivots automatically upon being engaged by a free end of the coupler to allow it to pass and then pivots to capture it in place, thereby simply establishing a secure manner of connection. In another, the ends of the conveyor sections are specially adapted to form an articulating joint. | 04-02-2009 |
| 20090039695 | GUIDE FRAME FOR GUIDING CONVEYOR SEGMENTS IN HIGH WALL MINING - The invention relates to a guide frame for use in high wall mining to be located between a launching apparatus and the entrance of a shaft ( | 02-12-2009 |
| 20100171360 | METHOD FOR OPEN PIT BENCH MINING - A bench mining method, particularly useful for open pit bench mining, which employs a combination of bulldozers and transversely movable apron feeders to provide the primary mechanism for removal of overburden. | 07-08-2010 |
| 20110198914 | METHOD AND DEVICE FOR WORKING ROCK - A method for driving tunnels, galleries, shafts or the like with a driving device ( | 08-18-2011 |
| 20100201180 | SHOVELING APPARATUS WITH MULTI-POSITIONAL SHOVEL - A shoveling apparatus including a low profile vehicle, a boom assembly, and a shovel assembly for use in underground mining operations, and particularly useful in clearing coal and rock debris from a belt line corridor. The low profile vehicle includes an advanceable support that supports the boom assembly and laterally advances the boom assembly from the cab portion of the vehicle. The boom assembly includes a support structure, a rotary actuator and a linear actuator, to control lateral and vertical rotation of the support structure (and thus the shovel assembly) with respect to a ground surface. The shovel assembly includes a rotary actuator and a shovel, and in some embodiments a tilting mechanism, to control the lateral and in some cases vertical, rotation of the shovel with respect to the boom assembly. | 08-12-2010 |
| 20110227396 | MINING SYSTEM - A method of mining ore in a mine pit ( | 09-22-2011 |
| 20090256412 | SCANNING SYSTEM FOR 3D MINERALOGY MODELLING - A method of mining comprising: using a vehicle fitted with scanning module to scan a bench face of a mine bench for both geometric and geological information; making ore grade assessments of material at the bench face from the information provided by the bench face scan; removing material from the bench; and transporting removed material for processing. At least one of said removing, transporting, and processing is performed at least partially dependent on the ore grade assessments. | 10-15-2009 |
| 20100237682 | LOADING ARM WITH WEAR RESISTANT END, MINING EQUIPMENT USING THE ARM, AND METHOD OF USE - A loading arm assembly for directing material removed by a mining machining having a cutting head and a conveyor assembly includes one or more wear resistant plate assemblies at a terminal end of the loading arm. The wear resistant plate assembly includes a wear resistant plate arranged on a surface of arms of the loading arm assembly designed for directing the material to the conveyor. The assembly also has wear resistant inserts along a bottom surface of at least the arm end to protect the bottom surface of the arm from wear as well as the attachment of the wear resistant plate to the arm end. | 09-23-2010 |
| 20100308639 | Battery Powered Hauling Car Operated by Remote Control - A hauling system and hauling car for hauling mined materials includes a body defining a storage area for receiving the mined materials, a conveyor positioned in a bottom portion of the storage area, and a motor coupled with the conveyor and driving the conveyor. The motor is controllably operable via a remote control system, and the body includes at least one connector connectable to a winch system that controllably advances and retrieves the hauling car. The use of a winch system for advancing and retrieving the hauling car provides for increased volumetric capacity. Additionally, the structure enables transport of evenly distributed loads and more efficient dumping. | 12-09-2010 |
| 20110084540 | MANHOLE REMOVER - A device and system for removing structures embedded in surrounding material is disclosed. Embodiments include a powered, expandable clamp attached to a rotating cutting tool for removing manholes from roadways. Select embodiments include anchoring a clamp to a manhole and using the manhole itself as leverage to move a cutting device through the surrounding material. Alternate embodiments allow an operator, working alone from a control station, to secure the manhole remover to the manhole, cut through the surrounding roadway, remove the manhole, and deposit the manhole at another location without requiring the operator to leave the control station. Further embodiments optionally include a depth gauge indicating the penetration depth of the cutting tool, an indicator reflecting the expanded state of the clamp, a pendulum mount allowing the clamp and drum to vertically orient using gravity, and/or the ability to attach to a host machine, such as a skid-steer loader. | 04-14-2011 |
| 20110254347 | METHOD FOR CONTINUOUS OPERATION OF A SURFACE MINER - A surface miner operates in a first direction to remove material from a mining face with its rotational axis of the cutting drums oriented substantially perpendicular to the mining face. Upon reaching an end of the mining face, the surface miner turns such that the axis is oriented substantially parallel to the mining face. The surface miner then operates in a second direction to cut a first channel from the mining face. To withdraw the cutters from the first channel, the surface miner reverses. The surface miner repositions to cut a second channel from the mining face in the second direction. The first and second channels together define a cut out. The surface miner is positioned in the cut out with the axis oriented substantially perpendicular to the mining face facing in a direction substantially opposite the first direction. The surface miner then continues to remove material in that direction. | 10-20-2011 |
| 20120200139 | UNDERGROUND MINING - In developing an underground mine a mine shaft | 08-09-2012 |
| 20110018332 | Method and Apparatus for Mining a Material in an Underground Environment - The present disclosure provides a method for mining a material in an underground environment. The method comprises positioning a structure in an underground roadway and locating the structure so that the structure provides a reactive force when a cutting head is pushed against the material via a series of members coupled to the structure. The roadway is suitable for passage of people and transportation of machinery and removed material. The method also comprises coupling the cutting head to at least one of the members of the series of members and the series of members to the structure. Further, the method comprises forming a plurality of branch tunnel portions projecting from the roadway into the material using the cutting head and the series of members coupled to the structure, comprising repositioning the cutting head and the series of members between formation of the branch tunnel portions. At least one of the formed branch tunnel portions has a length of more than 50 m. | 01-27-2011 |
| 20120306257 | DETERMINATION OF ROCK TYPES BY SPECTRAL SCANNING - Described herein is a method and system for classifying rock types in a rock body. The method comprises the steps of obtaining spectral data from a spectral measurement ( | 12-06-2012 |
| 20120205964 | SEGMENTS AND APPARATUS FOR HIGH WALL MINING INCLUDING FLUID FEED - A cutter head segment for use at the front of a train of conveyor segments for high wall mining includes at least one fluid transporter connected to a fluid distribution chamber. A pump segment for use in a train of conveyor segments for high wall mining as a segment following the cutter head segment is provided with a second fluid transporter and at least one front connector and at least one rear connector for connecting the second fluid transporter to adjacent fluid transporters. An assembly includes a cutter head segment and a pump segment, and a train of conveyor segments. | 08-16-2012 |
| 20100237681 | Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine - In a mining machine ( | 09-23-2010 |
| 20120062016 | MOBILE OIL SANDS MINING SYSTEM - A method of increasing a dwell time of a slurry facility at a given ore processing location by using a mobile oil sands mining system. The method involves coordinating the operation of at least two mining conveyors to facilitate mining at least one arc-shaped sector of ore that otherwise would not be within operational reach of the slurry facility at the ore processing location. The method increases the slurry facility's operational time at the ore processing location before relocation thereof is required to keep the slurry facility within operational reach of at least one receding mine face. | 03-15-2012 |
| 20120181844 | CONTINUOUS MINING - A method useful in the continuous ore extraction in underground works intended for the permanent production of extraction from draw points or trenches, comprising the construction of reduced size drifts ( | 07-19-2012 |
| 20110037307 | SYSTEMS, MACHINES, DEVICES AND METHODS FOR EFFICIENTLY REMOVING SIDEWALK TRIP HAZARDS - A trip hazard removing apparatus includes a saw head and blade connected to guide rail(s), which are connected to a support structure, which is connected to lift arm(s) of a vehicle. The vehicle moves the trip hazard removing apparatus between trip hazards occurring between upper and lower slabs of a sidewalk, placing it on the lower slab adjacent to and in contact with a trip hazard, and lifting it after removing the trip hazard. A trip hazard engaging mechanism automatically locates the saw blade's position and angle relative to and above the upper slab to create appropriate transition surface(s) between the upper and lower slabs as it cuts off the trip hazard. The guide rail(s) allow placing the saw blade's facing the sidewalk's side surface. The saw head and blade are moved along the guide rail(s) across the upper slab and through the side surfaces to remove the trip hazard. | 02-17-2011 |
| 20120319451 | LAUNCH VEHICLE FOR A MINING SYSTEM, A MINING SYSTEM AND A METHOD FOR MINING - The invention provides for a launch vehicle for a mining system comprising a base frame provided with tracks, an upper frame rotatably connected to the base frame around a substantially vertical axis of rotation, a launch frame connecting to the upper frame, a crane unit and drive means for driving the tracks, the launch frame the crane unit, or a combination thereof. | 12-20-2012 |
| 20120091782 | METHOD FOR DETERMINING THE POSITION OR SITUATION OF INSTALLATION COMPONENTS IN MINERAL MINING INSTALLATIONS AND MINING INSTALLATION - A method and apparatus for determining the position and/or situation of installation components of a mineral mining installation which has as installation components at least one face conveyor for removing mined material, one shield-type support for keeping a face open, pushing devices for pushing the face conveyor and the shield-type support in active operation, an extracting machine which can be moved along the face conveyor, and a drift conveyor, the position and situation of at least one installation component being determined by a measuring system having a detection unit with measurement sensor and the detection unit decoupled from the movement of the extracting machine, can be or is moved to and fro between two points of the guiding system along at least one installation component at the face such as, e.g. the face conveyor, by a separate guiding system | 04-19-2012 |
