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Patent Searching and Data


Matches 651 - 700 out of 5,855

Document Document Title
WO/2011/100808A1
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 roc...  
WO/2011/103051A1
An articulated pre-skimmer mount for a pre-skimmer associated with a drill bit feed unit comprises a feed mounting arm mounted to the drill bit feed unit. A first end is configured for attachment to the drill feed unit and a second end i...  
WO/2011/101612A3
A system for extraction of a mineral cutter pick (1), and optionally any interposed sleeve (19), the pick (1 ) comprises an elongate shank (4) extending from an enlarged head (2), has a piston (12) coaxial with the shank (4), with one en...  
WO/2011/101612A2
A system for extraction of a mineral cutter pick (1), and optionally any interposed sleeve (19), the pick (1 ) comprises an elongate shank (4) extending from an enlarged head (2), has a piston (12) coaxial with the shank (4), with one en...  
WO/2011/101812A3
The invention relates to a method for determining the position and/or location of plant components of a mining extracting plant, which includes at least one face conveyor (8), a shield- type support system (1) having a plurality of shiel...  
WO/2011/101612A4
A system for extraction of a mineral cutter pick (1), and optionally any interposed sleeve (19), the pick (1 ) comprises an elongate shank (4) extending from an enlarged head (2), has a piston (12) coaxial with the shank (4), with one en...  
WO/2011/095463A3
The invention relates to a spray nozzle unit (100), in particular for spraying explosion risk areas in subsurface mining, and for use in ultra high speed fire suppression system at response times below 50 milliseconds, having a nozzle bo...  
WO/2011/095463A2
The invention relates to a spray nozzle unit (100), in particular for spraying explosion risk areas in subsurface mining, and for use in ultra high speed fire suppression system at response times below 50 milliseconds, having a nozzle bo...  
WO/2011/093777A1
Method and rig for driving tunnels, galleries, shafts or the like said rig having a movable base unit (2) which over a support unit supports a carrying unit which in turn carries a cutting head having outwardly directed cutting elements,...  
WO/2011/089117A3
A pick tool (100) comprising an insert (110) and a steel holder (120) for the insert (110), the insert (110) comprising a superhard tip (112) joined to a cemented carbide support body (114) having an insertion shank (118); the steel hold...  
WO/2011/082870A1
A methane content of a bottom sample comprising methane hydrate crystals is determined by: - taking a core sample (5) from a bottom sediment (3) in a deepwater area; - storing the core sample (5) in a storage chamber (4); - lifting the s...  
WO/2011/079538A1
A method for stope-and-fill mining in sections involves the processes of stoping and filling in layers and in sections, mining and filling the whole mining area from bottom to top. Each batch of ore body being mined is in the shape of pr...  
WO/2011/072963A1
An underwater methane hydrate containing deposit (2) is converted into a marketable product by: - excavating a slurry (3) of methane hydrate containing sediment and water from the waterbottom; - pumping the slurry to an underwater proces...  
WO/2011/057603A2
The invention relates to a roadheader (1) used in mining. The roadheader comprises a machine frame (3), which on the end thereof that faces the working face has a cutting device (5) arranged on a swivel arm (4). Viewed in the longitudina...  
WO/2011/059348A2
The drive transmission method used in the case of a longwall shearer loader is characterised by the fact that in the shearer body (1), from the side wall side, in the part located outside of the chain conveyor (2), there is an motor (3) ...  
WO/2011/059349A2
The method for mounting a ranging arm on a body of a longwall shearer loader characterised by the fact that the shearer's ranging arm (7) is pivotally connected through the eyes (9) and at least one pin (3) with the eyes of the articulat...  
WO/2011/057603A3
The invention relates to a roadheader (1) used in mining. The roadheader comprises a machine frame (3), which on the end thereof that faces the working face has a cutting device (5) arranged on a swivel arm (4). Viewed in the longitudina...  
WO/2011/059348A3
The drive transmission method used in the case of a longwall shearer loader is characterised by the fact that in the shearer body (1), from the side wall side, in the part located outside of the chain conveyor (2), there is an motor (3) ...  
WO/2011/059349A3
The method for mounting a ranging arm on a body of a longwall shearer loader characterised by the fact that the shearer's ranging arm (7) is pivotally connected through the eyes (9) and at least one pin (3) with the eyes of the articulat...  
WO/2011/054035A1
This invention relates to open cut mines and in particular an improved slope to of an open cut mine. The slope includes a substantially vertical batter face (5) with a plurality of reinforcing members (10) spaced from a crest (7) of the ...  
WO/2011/054334A1
The invention relates to a milling drum for mobile work machines, in particular for road and path construction, comprising a plurality of tool retainers comprising boxes attached to the round roller surface, in each of which boxes one ex...  
WO/2011/054334A4
The invention relates to a milling drum for mobile work machines, in particular for road and path construction, comprising a plurality of tool retainers comprising boxes attached to the round roller surface, in each of which boxes one ex...  
WO/2011/048006A3
The invention relates to a pick (10), in particular a round shaft pick having a pick head (13) and a pick shaft (11), a securing sleeve (20) being mounted in the region of the pick shaft, and a support element (30) comprising a guide reg...  
WO/2011/048006A2
The invention relates to a bit, in particular a round shaft bit having a bit head and a bit shaft, wherein a fastening sleeve is held in the area of the bit shaft, and wherein a support element is associated with the bit and comprises a ...  
WO/2011/044877A2
The invention relates to a shearer loader device (1) used in mining. The shearer loader device comprises a frame (4), which is provided with cutting drums (5, 6) at the ends of the frame and is used to accommodate at least one drilling/a...  
WO/2011/044877A3
The invention relates to a shearer loader device (1) used in mining. The shearer loader device comprises a frame (4), which is provided with cutting drums (5, 6) at the ends of the frame and is used to accommodate at least one drilling/a...  
WO/2011/046528A1
The invention relates to techniques for processing coal into coke, and can be used in the coal mining industry in order to decompose coal into light fractions and produce coke. The technical solution of the invention comprises replacing ...  
WO/2011/042871A2
The invention relates to a feed system, rack bar and drive sprocket for moving an underground winning machine, comprising a travel drive with drive sprocket having symmetrically profiled teeth, and rack bars 1 with a plurality of rack te...  
WO/2011/042871A3
The invention relates to a feed system, rack bar and drive sprocket for moving an underground winning machine, comprising a travel drive with drive sprocket having symmetrically profiled teeth, and rack bars 1 with a plurality of rack te...  
WO/2011/038436A3
The invention relates to an advancing machine (2), comprising a machine frame (16), a chassis (1), in particular a tracked chassis, for moving the advancing machine (2), extractions tools (5) rotatably fastened to an extension arm (3), a...  
WO/2011/038436A2
The invention relates to an advancing machine (2), comprising a machine frame (16), a chassis (1), in particular a tracked chassis, for moving the advancing machine (2), extractions tools (5) rotatably fastened to an extension arm (3), a...  
WO/2011/040806A1
The invention relates to a cutter head segment for use at the front of a train of conveyor segments for high wall mining. The invention further relates to a pump segment for use in a train of conveyor segments for high wall mining as a s...  
WO/2011/038449A1
A method of blasting rock at an underground blast site in which boreholes (11a, b, c) are drilled in a rock mass (10) from a drive defining face (12), each borehole is loaded with at least one charge of explosive material (13a-c, 14a-c, ...  
WO/2011/037799A1
A rotatable cutting tool (30) for impinging a substrate while rotatably retained within a holder bore The rotatable cutting tool (30) includes a hard cutting member (70, 90, 110) affixed in a socket (44) at the axial forward end (34) of ...  
WO/2011/031043A3
The present invention relates to a vibrationless rock-splitting apparatus comprising a structure consisting of an assembly of: a hollow supply pipe having a plurality of flow holes, both ends of which have coupling portions; a flexible t...  
WO/2011/029111A2
The invention relates to a tunneling machine or extraction machine (1) comprising extraction tools which can be displaced on the working face, and a caterpillar chassis (16) and anchoring drilling and placing devices (13) which can be pi...  
WO/2011/031043A2
The present invention relates to a vibrationless rock-splitting apparatus comprising a structure consisting of an assembly of: a hollow supply pipe having a plurality of flow holes, both ends of which have coupling portions; a flexible t...  
WO/2011/029111A3
The invention relates to a tunneling machine or extraction machine (1) comprising extraction tools which can be displaced on the working face, and a caterpillar chassis (16) and anchoring drilling and placing devices (13) which can be pi...  
WO/2011/022744A2
The invention relates to a selective cut heading machine or advance working machine comprising a cantilever on which rotatable cutting tools are mounted, and which can be displaced by means of a running gear, especially a tracklaying gea...  
WO/2011/022744A3
The invention relates to a selective cut heading machine or advance working machine comprising a cantilever (1) on which rotatable cutting tools (2) are mounted, and which can be displaced by means of a running gear, especially a trackla...  
WO/2011/020484A1
The invention relates to a method for automatically producing a defined face opening during longwall operations, having a face conveyor (20), at least one extraction machine (22), and a hydraulic shield support, in underground coal minin...  
WO/2011/016765A1
A rotatable tool pick has a retaining element axially separated from the shoulder section by a first axial distance that is less than an axial thickness of the washer at the inner peripheral surface. When the washer is mounted on the sha...  
WO/2011/014217A1
A cutting tool has a holder block and a sleeve. The sleeve includes a shank and an enlarged flange at an end of the shank. The sleeve shank is received in a hole in the holder block, with the flange against a surface of the holder block ...  
WO/2011/010258A2
The invention relates to rack and pinion arrangement for advancing e.g. a shearer loader comprising a toothed driving sprocket, with rack and pinion rods (1) having a plurality of lantern teeth (2), a respective end tooth (20) being arra...  
WO/2011/010258A3
The invention relates to rack and pinion arrangement for advancing e.g. a shearer loader comprising a toothed driving sprocket, with rack and pinion rods (1) having a plurality of lantern teeth (2), a respective end tooth (20) being arra...  
WO/2011/006181A3
The invention relates to an advancing machine (1), comprising a tracked chassis, a cutting arm (3), which is pivotably fixed on a machine frame and which comprises rotatably drivable cutting tools (4), a fresh-air supply for supplying fr...  
WO/2011/008184A1
A method for developing mineral deposits and artificial deposits occurring as a result of industrial or other human activities involves assessing the deposit that is to be developed and transporting the mined substance to the surface onc...  
WO/2011/008447A1
Systems (100) and methods for recovering manganese nodules from the seabed are disclosed. A buoyant body (220) is generated by freezing water, forming a clathrate ice, or using a liquid that is less dense than seawater. Nodules that have...  
WO/2011/006181A2
The invention relates to an advancing machine (1), comprising a tracked chassis, a cutting arm (3), which is pivotably fixed on a machine frame and which comprises rotatably drivable cutting tools (4), a fresh-air supply for supplying fr...  
WO/2011/008694A3
An excavation component is disclosed herein. The excavation component includes a cutter structure carrier and a cutter structure carried by the cutter structure carrier. The excavation component also includes a fastener for securing the ...  

Matches 651 - 700 out of 5,855