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Patent Searching and Data


Matches 551 - 600 out of 4,924

Document Document Title
WO/2017/132602A1
A mining machine includes a frame, a boom supported for pivoting movement relative to the frame, and a cutter head pivotably coupled to the boom. The cutter head includes a housing, a cutter shaft coupled to the housing, a cutting disc, ...  
WO/2017/124828A1
Disclosed is a cutter bit for breaking farmland gravels. The cutter bit comprises a cutter bit body (1). The head of the cutter bit body (1) is provided with two first teeth (2) made of a wear-resistant material, a slope (3) for rubbing ...  
WO/2017/127009A1
Mining machine (1) for driving tunnels, said mining machine (1) including: a cutting head (5) having rock engaging cutting elements (5ยด), a rotator (32) for driving said cutting head (5), means for forcing the cutting head against rock ...  
WO/2017/125127A1
The present invention relates to an advance working and loading machine and to a method for quarrying rock using such a machine. Rock is quarried with an attachment implement (30) on an adjustable boom arm (20). The quarried rock is rece...  
WO/2017/125126A1
The invention relates to a header and loading machine (10) and to a method for excavating rock using such a machine. Rock is excavated using work attachments on an adjustable boom arm (20). The excavated rock is received by a loading tab...  
WO/2017/123959A1
A rotary sensor includes a rotor and a housing. A support structure includes a shaft, a housing portion, a first member, and a second member. A first end of the shaft is coupled to the rotor, and the shaft is supported for rotation about...  
WO/2017/121407A1
Provided is an impact device for a wearproof sealing protective sleeve of a tooth rack of a mining machine, wherein the wearproof sealing protective sleeve (2) for the tooth rack is arranged at a rear part of an impact tooth rack (1); th...  
WO/2017/123562A1
A cutting element includes a substrate that is axially symmetric about a central axis. The substrate has a radius perpendicular to the central axis and that extends from the central axis to an outer surface of the substrate. A super-hard...  
WO/2017/109465A1
A jetting system for an undersea trencher (20) has jetting conduits (50) extending aftward of its trench-cutting jetting swords (30). Jetting conduit nozzles (51) direct liquid radially from their jetting conduits (50) into the trench (F...  
WO/2017/110793A1
Provided is a hydraulic hammering device that is capable of sufficiently transmitting hammering force to bedrock while further strengthening the cushioning action and suppressing equipment damage. The present hydraulic hammering device i...  
WO/2017/101888A1
A multi-level protection sealing telescopic shaft sleeve reciprocating impact portion, comprising a multi-level protection guiding shaft box (1), a crankshaft (2), a connecting rod (3), a guiding impact piece (4), a guiding piece (5) and...  
WO/2017/102070A1
A milling device (14) for excavating mining materials (260) is disclosed. The milling device (14) comprises a milling drum (15) rotatable about a drum axis (200); a first group of excavating heads (18, 18', 18") arranged around a periphe...  
WO/2017/096674A1
Disclosed is an above ground and underground cooperative control method of far and near field roofs of an extra-large stoping space, and the method overcomes the problem of the current lack of method for comprehensively and cooperatively...  
WO/2017/092180A1
A combined inertial navigation and laser scanning coal shearer positioning device and method. The positioning device comprises: a positioning device explosion-resistant housing (2) fixed on a coal shearer (1) apparatus; a laser signal re...  
WO/2017/092181A1
A combined initial alignment system and alignment method for a strapdown inertial navigation system of an underground coal mining machine. The system comprises a strapdown inertial navigation system (4) installed on a coal mining machine...  
WO/2017/088110A1
Disclosed is a stone mining apparatus, comprising a base (100), a cutting unit (200), a driving unit, and a grinding unit (300). The cutting unit (200) comprises a plurality of transmission devices (201) surrounding the edge of the base ...  
WO/2017/080796A1
The present invention relates to a tool 10 for working abrasive materials, in particular rock, sand or ores, having a main tool body 18 and at least one hard metal plate 12 arranged on the main tool body 18, wherein a deposition welding ...  
WO/2017/082427A1
The present invention relates to a system for collecting, lifting, and recovering seabed mineral resources, specifically, a device wherein hydrogen gas is evolved on the seabed, resources are lifted by the buoyancy of the gas to the sea ...  
WO/2017/082729A1
The invention relates to a tooth system for a cutter head, the tooth system comprising; a tooth member comprising a cutting portion and a mounting portion with at least one curved surface, a holder comprising a receiving portion with a c...  
WO/2017/076787A1
The invention relates to a shearer loader for mined extraction in longwall mining, comprising a machine body (1) that can move along a longwall conveyor (2) in the longitudinal direction of the longwall, and at least one cutting drum (4)...  
WO/2017/071608A1
Disclosed is a reciprocating impact boring machine internally provided with a rocker arm telescopic cylinder, said machine comprising a telescopic outer drum (1), a telescopic inner drum (2), a telescopic cylinder (3), a reciprocating im...  
WO/2017/074187A1
A tooth with a retaining system for retaining the tooth in a receiving portion of an adapter in a cutting system comprises a first holding system to releasably retain the tooth to the adapter; and a second holding system to tension and s...  
WO/2017/068239A1
The invention relates to a replaceable blade piece (1) of a working cylinder of a screen crusher, which as viewed from the side is substantially T-shaped. The blade piece has a frame portion (2) forming the vertical shaft of the T and a ...  
WO/2017/070342A1
A cutting pick for a mining machine includes an elongated shank, a cutting portion, an insert, and an indicator. The elongated shank includes a first end and a second end opposite the first end. The cutting portion is connected to the se...  
WO/2017/063018A1
A mobile machine (10) for operating in an underground mine (20) is disclosed. The mobile machine (10) comprises a body (9) comprising a power source (15) and a cabin (28). The mobile machine (10) also comprises traction devices (13) powe...  
WO/2017/058702A1
A method of designing an underground excavation may involve the steps of: Developing a plurality of input parameters for the underground excavation; performing a first design iteration to determine an initial ground support system design...  
WO/2017/058088A1
The present invention relates to a method for assigning a set of tasks to a plurality of mining and/or construction machines (200A, 200B;701-703), said machines (200A, 200B;701-703) being arranged to be driven between positions for perfo...  
WO/2017/042686A1
The invention comprises a pressure unit to provide pressure to a fluid; a power supply; a plurality of injectors, to produce an abrasive cut by means of the pressurized fluid; at least one transport hose to distribute the pressurized flu...  
WO/2015/016712A9
The invention relates to a mining system comprising; - a vessel for processing mined ore, - an upper platform coupled with the vessel, - a lower platform supported by the ocean floor, - a number of transport cables which extend between t...  
WO/2017/038148A1
A mineral lifting system S comprises: a seabed work machine 13 comprising an excavator 131 to excavate minerals from the seabed, and a slurry pump 132 to suction and pump a solid-liquid mixture of minerals and seawater; a power generator...  
WO/2017/035557A1
A control system for controlling operation of a fluid delivery system that includes at least a first pump (14) for delivering a first fluid and a second pump (24) for mixing a second fluid with the first fluid. The control system include...  
WO/2017/035344A1
Systems and methods for recovering and concentrating rare earth elements from seabed sediment deposits using seabed excavators and shipboard processing systems.  
WO/2017/033059A1
A rock formation drill bit assembly with electrodes includes a drill bit including a hollow portion that extends along a longitudinal axis of the drill bit. The hollow portion extends from a first end to a second end opposing the first e...  
WO/2017/032704A1
A pick tool comprising a strike tip and a pick tool body, the pick tool body including a non-rotating strike tip at a first end of the pick tool body. A shaft is provided at a second end of the pick tool body, the shaft being configured ...  
WO/2017/034794A1
A fluid flow emitter is provided, which is to be mounted within a fluid distribution tube to control the rate at which fluid is distributed from the tube. The emitter may include a cylindrical body having a pair of raised radially-extend...  
WO/2017/027048A1
A conveyor pan is provided for supporting a portion of a mining conveyor extending along a mine face and positioned between the mine face and a goaf. The conveyor pan includes a deck, a toe, and a heel. The deck includes a first side con...  
WO/2017/024334A1
The present invention provides a method and an apparatus for creating a void, low-density fill or combination of void and low-density fill for underground mining comprising at least one module of formwork to be positioned in an open stop...  
WO/2017/021104A1
The invention relates to a cutting device for a soil cultivation machine with an improved wear protection.  
WO/2017/020519A1
A pre-mixed abrasive and water jet united cutting tooth type roller of a coal mining machine comprises a cutting shaft (1), a barrel (2), a high-pressure hose (7), cutting teeth (5), a spray head assembly (4), and a core sleeve (3). The ...  
WO/2017/023804A1
A cutting bit assembly for a mining machine includes a holder having a first surface, a second surface, and a bore extending therebetween, and a bit having a first end and a second end. The bit further includes a tip, a shank, and a shou...  
WO/2017/021664A1
The invention relates to the field of excavation systems and more particularly of excavation systems comprising electropulse excavation tools. An excavation system according to the invention comprises a support chassis (34), a hydraulic ...  
WO/2017/021007A1
The present disclosure relates to a cutting drum (24A; 24B; 24C) for a mobile mining machine (10). The cutting drum (24A; 24B; 24C) comprises an outer circumferential face (34) extending between first and second end faces (36, 38). The c...  
WO/2017/012690A1
The present disclosure relates to a cutting bit carrier (100) for hard rock mining applications. Usually, replacing worn cutting bits may take much effort and may be time consuming. The present cutting bit carrier (200) may comprise a fi...  
WO/2017/008393A1
Disclosed is a method for testing and controlling a fully-mechanized-mining working-face device. The method utilizes the principle of infrared imaging to test by means of an infrared imager a primary mechanical device prone to damage, wh...  
WO/2017/010975A1
A cutter head for a mining machine includes a drum defining a drum axis with a drum plane extending perpendicular to the drum axis. The cutter head includes a plurality of cutting bit assemblies secured to an outer surface of the drum pr...  
WO/2017/003301A1
A tool connection (9, 47) for connecting a tool (1) to a tool support (16), the tool connection (9, 47) including at least one radial shock absorber (19, 20) for at least partially absorbing shock imparted by the tool (1) via the tool co...  
WO/2016/206614A1
Disclosed is a longwall mine construction method 110, comprising arranging a belt downhill channel (24), a return air downhill channel (25), and a track downhill channel (26), the entire panel being provided with a plurality of work face...  
WO/2016/205935A1
A method of loading a borehole for directional blasting comprises placing two or more cartridges containing a primary explosive into the borehole, the cartridges being spaced evenly apart and abutting 10% to 50% of the borehole perimeter...  
WO/2016/206618A1
A longwall mine construction method N00, comprising implementing mining without roadway tunnelling or pillars in N work faces of a brand new panel, the entire panel being provided with a return air downhill channel (25), a belt downhill ...  
WO/2016/205862A1
A mining method (10) by which graphitic ore is produced in a form that constitutes an appropriate feedstock for an electrolytic process (20) for the production of graphitic materials through exfoliation. The graphitic ore feedstock may b...  

Matches 551 - 600 out of 4,924