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Matches 251 - 300 out of 5,898

Document Document Title
WO/2015/117042A1
A universal cutter assembly comprising a transport device carrying a plurality of freewheeling cutting elements mounted to freely rotate about an axis, where the axis is canted about two angles with respect to the surface being cut and a...  
WO/2015/113504A1
A reciprocating impact part non-concentric protruding shaft fixed bearing method, the method comprising: 1. arranging an eccentric shaft section (12) and a power shaft section (11), arranging eccentric shaft section (12) bearings (8) on ...  
WO/2015/113505A1
A reciprocating impact slack-drop/rotating/raking multifunctional power shaft, comprising a power shaft section (5), eccentric shaft sections (6), a power take-off (2), and a power source component (4); the power take-off (2) comprising ...  
WO/2015/112576A1
A mining machine includes a frame, a first fluid tank, a second fluid tank, a valve, and a control system. The first fluid tank is supported on the frame proximate a first end, and the second fluid tank is supported on the frame proximat...  
WO/2015/109392A1
Provided are dig controller and dig control method embodiments for an autonomous loading vehicle (ALV) used in applications such as mining, construction, and exploration. Embodiments may comprise at least one controller that controls a b...  
WO/2015/106310A1
A tooth assembly comprising a tooth member and a lock assembly for locking the tooth member to the digging device in an assembled condition. The lock assembly comprises an insert member configured to be at least partly received in a rece...  
WO/2015/105428A1
It is described a rotary drilling system (10) for drilling a borehole (12) in inhomogeneous and/or hard rock formations. The system (10) comprising: a rotary drill bit (20; 50), and at least two electrodes (21, 22, 23, 51, 52, 53) arrang...  
WO/2015/101347A1
A floating sealing method of a floating bushing sealing reciprocating impact apparatus and a floating sealing reciprocating impact apparatus of a sealing floating bushing of a mining loader, comprising a reciprocating impact box body (3)...  
WO/2015/100481A1
A non-human-entry method for extracting a desired subsurface material such as ore, wherein an access hole is drilled from surface downwardly to the material, a high-pressure fluid injection tool is lowered with or after the drill string ...  
WO/2015/099633A1
1. Technical field: mining machinery. 2. Specific applicability: selective-cut heading machine. 3. Essence of the invention: a working member and an additional working member are configured in the form of modules, wherein a module compri...  
WO/2015/099005A1
Provided is a degradable seal member for a down-hole tool, said member being formed from a degradable polymer material that is preferred to be a thermoplastic polymer material or a polymer material including an ester bond, an amide bond,...  
WO/2015/099632A1
1. Technical field: mining machinery. 2. Direct application: in devices for the mechanical disengagement of engines from reduction drives of a cutting tool actuator. 3. Essence of the invention: it is proposed to provide a shaped recess ...  
WO/2015/094581A3
Method and system is described to enhance operations for managing the hydrocarbon release. The method and system for managing a hydrocarbon release includes one or more vessels configured to collect mineral fines, to transfer the mineral...  
WO/2015/090362A1
The invention relates to an arrangement and method of utilizing rock drilling information in a mine. Drill holes are drilled to a surrounding rock material (20) by means of a first mining vehicle (1). During drilling measuring data is pr...  
WO/2015/090128A1
A skip-mining type wangeviry stope branch roadway filling and coal mining method. A transportation main roadway (1) and stope branch roadways (2) are arranged by adopting a wangeviry coal mining method. A plurality of stope branch roadwa...  
WO/2015/082445A1
Described is a subsurface mining vehicle and a method for collecting mineral deposits from a sea bed at great depths and transporting said deposits to a floating vessel. The vehicle comprises a load-bearing structure having means for adv...  
WO/2015/082448A1
A device for launching subsurface mining vehicle into a water mass from a docking well of a floating vessel, and/or recovering said vehicle from the water mass is disclosed. The device comprises a docking frame that is hinge mounted to t...  
WO/2015/084287A1
1. Technical field: mining machinery. 2. Specific applicability: braking systems of cutter-loader mining machines. 3. Essence of the invention: a rotating friction disk (7) is disposed between a clamping member (11) and a non-rotating fr...  
WO/2015/079418A3
Apparatus for underground hard rock mining includes a vehicle chassis (12) and a plurality of steerable continuous track assemblies (14). Each track assembly has a pair of first flat ground engaging surfaces and an opposing pair of secon...  
WO/2015/078083A1
An electric drive system for a heading machine and a heading machine having same. The electric drive system for the heading machine comprises: a main power supply (1) and a switch (2), as well as a converter (3), a variable-frequency cut...  
WO/2015/075090A3
A method of making a strike construction for a pick tool, a strike construction for a pick tool and a pick tool. The strike construction comprises a strike tip (2) and a support body (20), in which respective attachment ends (10,22) of e...  
WO/2015/074310A1
Disclosed is a shearer dual-drum cutting part, the cutting drums being two in number, and the two cutting drums being denoted as a rightward-rotating cutting drum (12) and a leftward-rotating cutting drum (13); a gear transmission system...  
WO/2015/074311A1
A four-drum shearer using dual-drum cutting parts, comprising a right cutting part (1) and a left cutting part (2), which are structurally identical, a right traction part (6) and a left traction part (9), which are structurally identica...  
WO/2015/072834A1
The invention relates to a mining bar for loosening rock as a result of the thread thereof located on the ends of the central aluminium bar, which receives the tips for loosening rock from underground works of the mining industry. The ad...  
WO/2015/065412A1
A system (10) and method for production of methane (18) from a methane hydrate formation (12). A flexible gas harvesting dome (14) is positioned over the methane hydrate formation to collect methane released within the formation by actio...  
WO/2015/062195A1
A solid cementation backfill roadway type mining method for an ultra-thick seam. The ultra-thick seam in a section to be mined is evenly divided into a plurality of sub-layers H according to layer height, and is mined from top to bottom;...  
WO/2015/058467A1
A method of loading material by a curved auxiliary rocker arm (4) on a mining machine, and a mining machine having a curved auxiliary rocker arm (4) capable of loading material. A material-loading mining machine comprises a master rocker...  
WO/2015/058464A1
A method for the directional rotary return of rake blades on a rolling raker/loader excavator, and a rolling raker/loader excavator having raker blades capable of directional rotary return for implementing said method. The invention comp...  
WO/2015/058744A3
A selective cutting machine for use in mining or tunnelling can be operated by means of an operation unit (1) and comprises a control computer (2) and a machine visualising device (3). The functionality of an input device, preferably a c...  
WO/2015/058466A1
A harrow excavator implementing a method for directionally swaying and resetting harrow teeth of a harrow excavator comprises a harrow rotary piece (6), directional sway and reset harrow teeth (7), a harrow supporter (3), a driving mecha...  
WO/2015/058465A1
A method for reciprocating punching/raking/loading by a power box on an excavator is disclosed. Said method comprises providing a reciprocating impact power box body (3) and reciprocating impact box raking devices (7). The raking devices...  
WO/2015/058483A1
A method for separately mining and transporting a thick coal seam with gangue and backfilling a goaf with gangue, the method comprising: tunneling a transportation roadway (1) and a track roadway (2) in parallel in the coal, and connecti...  
WO/2015/056201A1
Disclosed is a method of mining or extracting a support pillar from an underground room and pillar mining operation which includes forming (by eg forming top and bottom wedge shaped cuts) at least one removable segment in a pillar (7) an...  
WO/2015/057473A1
A computer-implemented method for determining that a worksite machine requires refuelling is described. The method involves accessing incident 5 message information and known worksite information; processing the incident message and know...  
WO/2015/055236A1
The invention relates to a method for positioning two devices for transferring bulk material relative to each other, wherein at least one device of said devices can be moved, and a material discharge or a material receiving portion arran...  
WO/2015/050523A1
1. Technical field: mechanical engineering. 2. Direct application: in mining machinery for forming installation roadways during longwall preparation. 3. Essence of the utility model: the housing (7) of a winning machine displacement actu...  
WO/2015/046598A1
 This transportation machine comprises: a loading platform onto which is loaded ore extracted from a seam of ore formed at an extraction site situated below a vein; a carriage to which the loading platform is mounted and which moves; a...  
WO/2015/043883A3
The invention concerns a tool holder (40) for a ground-working machine, in particular a road groover with a base part (41) comprising a tool-receiving part (45), the tool-receiving part having a tool-insertion region, and the tool-receiv...  
WO/2015/046590A1
The present invention addresses the problem of improving productivity in underground mining. This loading machine includes: a transport device which loads ore from ground containing ore formed in a mining location established below a vei...  
WO/2015/046599A1
 This mine management system (1) includes: a transportation machine onto which, when extracting ore from a vein in a mine comprising a plurality of extraction sites situated below the vein, a first tunnel situated below the vein, and a...  
WO/2015/046601A1
 This ore extraction system (1) includes: a transportation machine onto which, when extracting ore from a mine comprising an extraction site situated below a vein, a first tunnel situated below the vein, and a second tunnel connecting ...  
WO/2015/046612A1
 The objective of the present invention is to suppress drops in productivity during underground mining. A loading machine includes: a conveyor onto which ore from a seam of ore formed at an extraction site situated below a vein is load...  
WO/2015/043884A3
The invention relates to a chisel (10) having a chisel head (11) and a chisel shaft (17), wherein near its end facing away from the chisel head the chisel shaft has a threaded portion having a thread (19), wherein the chisel head holds a...  
WO/2015/038090A1
The invention relates to the field of mechanical engineering and can be used in mining machines with cutting members (augers, bits, drums). The essence of the invention is that protective screens (4.1) are additionally provided for the e...  
WO/2015/034393A1
The invention relates to the mineral development industry. A system comprises at least one shaft-module (1), having a central node (2) which is located under water at the ocean floor and which has a vertical shaft which is inserted in...  
WO/2015/031803A1
Systems and methods for operating a mining machine. One system includes a controller, a stationary object, and a radar device. The radar device transmits radio waves toward the stationary object and detects reflections of the radio waves...  
WO/2015/027672A1
A reciprocating concussion mining portion for a fastening concussion frame of a guide screw of a mining machine. A screw guider (3) comprises a guide rod (3.1), a guide screw (3.2), and a guide nut (3.3). A guide piece connector (4) comp...  
WO/2015/027670A1
A reciprocating-impact excavating part for use in an excavating machine and having wear-resistant guiding sleeves that are easy to process/assemble/disassemble and are fastened by elongated threaded rods. Wear-resistant guiding sleeves (...  
WO/2015/027671A1
A reciprocating-impact excavating part of an excavating machine having impact frames fastened by threaded-rod guiding apparatus, comprising an enclosure (5), a power driver (19), threaded-rod guiding apparatus (20), a guiding member conn...  
WO/2015/031797A1
Systems and methods for operating a mining machine. One system includes a roof support system, a radar device, and at least one controller. The roof support system incorporates an anti-stealth device, and the radar device is configured t...  

Matches 251 - 300 out of 5,898