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Matches 1 - 50 out of 6,430

Document Document Title
WO/2018/068866A1
The invention relates to an operation arrangement and a method for operating a mobile haulage arrangement for continuously conveying fragmented material in a conveying direction. The operation arrangement comprises a first and a second o...  
WO/2018/068409A1
Provided is a structure underlaid gob area filling expansion bag, comprising a film filling expansion bag (1). One end of the film filling expansion bag is provided with an opening; and a filling pipeline device (2) is arranged at the po...  
WO/2018/059734A1
The invention relates to a refuge chamber (1) for accommodating persons seeking protection, the refuge chamber (1) comprising a gas-proof, lockable door (2), through which an interior space (4) can be entered when the door (2) is in an o...  
WO/2018/058770A1
The present invention is applicable in the field of backfill mining under a coal mining shaft. Disclosed are a compacting shearer conveying machine and a compaction method. The machine comprises a compacting shearer (5), a transition she...  
WO/2018/058198A1
The present invention relates to a blasting system including blast holes for being blasted. Reporting means is provided for reporting the blast status of respective blasted holes. Advantageously, the reporting means reports the blast sta...  
WO/2018/058038A1
A system for measuring geometric change in a subterranean structure. The system includes an apparatus communicably couplable to a computing system. The apparatus is couplable to a mobile platform and includes a sensor configured to acqui...  
WO/2018/045632A1
A method for recycling room coal pillars by solid backfilling in coordination with artificial pillars, comprising: conveying a solid material (3) on the ground and a cementing material (4) to a room pillar gob (9) by means of a batching ...  
WO/2018/041348A1
The present invention relates to handling of dust-laden air in a mine tunnel and particularly to a mobile unit (10) for a mine tunnel comprising a dust extraction system (25) and a method of conveying material and removing dust in a mine...  
WO/2018/038658A1
The present invention relates to a working machine (10) comprising a receptacle portion (12) for accommodating load. The working machine is adapted to have a load receiving condition in which the receptacle portion (12) comprises an open...  
WO/2018/029051A1
The invention relates to a coating system for draining off water, more particularly for draining surfaces of building structures such as tunnels, the system having: (a) at least one hydrophilic layer; and (b) at least one hydrophobic lay...  
WO/2018/027245A3
The invention provides a rock face movement detector which includes an elongate member which extends between a first end and a second end, an anchoring mechanism for anchoring the member in a hole in a rock face on or attached to the fir...  
WO/2018/009970A1
In an aspect, there is disclosed a system (5) for forming a seal (12) of a mine passage, the system including: a plurality support members (10) adapted to extend between a roof (17) and floor (15) of the passage, each of the plurality of...  
WO/2018/013974A1
Apparatus allowing ventilation through a ventilation shaft to an underground ventilation duct fluidly communicating through the ventilation shaft to an atmospheric opening of the shaft and on threat of flooding operable to prevent downwa...  
WO/2018/013981A3
Apparatus allowing ventilation through a ventilation shaft to an underground ventilation duct fluidly communicating through the ventilation shaft to an atmospheric opening of the shaft and on threat of flooding operable to prevent downwa...  
WO/2018/013981A9
Apparatus allowing ventilation through a ventilation shaft to an underground ventilation duct fluidly communicating through the ventilation shaft to an atmospheric opening of the shaft and on threat of flooding operable to prevent downwa...  
WO/2018/013970A1
Apparatus allowing ventilation through a ventilation shaft to an underground ventilation duct fluidly communicating through the ventilation shaft to an atmospheric opening of the shaft and on threat of flooding operable to prevent downwa...  
WO/2018/013984A1
Apparatus allowing ventilation through a ventilation shaft to an underground ventilation duct fluidly communicating through the ventilation shaft to an atmospheric opening of the shaft and on threat of flooding operable to prevent downwa...  
WO/2017/217865A1
The present application discloses a method for controlling at least one apparatus (1) moving on a guiding means positioned along a tunnel (3), comprising: receiving a sensor data from the at least one apparatus (1); recognizing a pattern...  
WO/2017/205725A1
A fan assembly, and associated methods are shown. Fan assemblies and methods shown include nozzles within a housing of the fan. Fan assemblies and methods shown may provide water and/or fire suppression chemicals within a fan housing tha...  
WO/2017/204816A1
Methods for stabilizing a friable substrate using a dust suppressant composition comprising a poly-(METAS)-Chitosan polymer.  
WO/2017/198109A1
Disclosed is a pitshaft coal uncovering method for coal mines whose coal seam lies in a main aquifer. The method comprises: constructing a vertical shaft (2) from the ground (1) down to an aquiclude or a weak aquifer in an overlying stra...  
WO/2017/188859A2
The invention relates to the mining industry and may be used for preventing endogenous fires in warehouses and during transport in railway cars by treating the surface of coal with an antipyrogen. The technical problem of the claimed com...  
WO/2017/188859A3
The invention relates to the mining industry and may be used for preventing endogenous fires in warehouses and during transport in railway cars by treating the surface of coal with an antipyrogen. The technical problem of the claimed com...  
WO/2017/181248A1
The present invention relates to a conveyor. The conveyor includes a frame including composite material, one or more rollers for mounting to the frame, and a transportation belt for being transported by the rollers. Advantageously, the f...  
WO/2017/178425A1
A rock feeder deflector device (30) for a rock feeder (10) used in underground mining applications. The rock feeder (10) has a material transport portion (20) for transporting rock material (12) to a conveyor (14). The rock feeder deflec...  
WO/2017/177271A1
A mine safety system is provided for preventing coal dust explosions in an underground coal mine. The system comprises a reservoir, for storing an inerting agent; a compressor, for providing compressed air; and a mixer, coupled to the re...  
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/2017/121927A1
The invention relates to a method and to an apparatus for paste backfill. The apparatus comprises a mixing means configured to produce paste (11), a storage means configured to store paste (11), and a feeding means configured to feed pas...  
WO/2017/121145A1
Disclosed is a life-preserving device based on oxygen-rich water, comprising a storage chamber (1), a reaction chamber (2), and a water/gas separator (3). The water/gas separator (3) comprises a valved gas outlet (10) and a valved water ...  
WO/2017/117667A1
Known georeferencing techniques require input in the form of manually-chosen anchor points or dense surveyed data. The present invention is an improved method and system for georeferencing underground geometric data. The method comprises...  
WO/2017/101634A1
Disclosed is a method for determining a length( )of a filling section in a fully mechanized mining-filling mixed mining working face (11). First of all, according to the production capacity requirement of a mine, a total length () of...  
WO/2017/097733A1
The invention refers to a mixing and processing system of ventilation air methane (VAM) and coal mine methane (CMM), which includes a VAM capture hood (6), a VAM duct (7a), a CMM connecting duct (4), a mixing device (M), an enriched VAM ...  
WO/2017/099608A3
It is disclosed a device for establishing an escape route inside a tunnel, wherein the device comprises a number of similar or different sections, each section comprising a substantially gas-tight and inflatable sheath comprising mainly ...  
WO/2017/092207A1
A method of performing coupled drilling, flushing, and cutting operations on a coal seam having a high gas content and prone to bursts to relieve pressure and increase permeability, particularly suitable for relieving pressure and increa...  
WO/2017/089519A1
The invention relates to a closure cover (11) for a sleeve (10) which is received in a concrete component (2) and is connected to a plastic cladding (8) arranged on the inner face (6) of the concrete component (2). The closure cover (11)...  
WO/2017/079494A1
Methods of and systems for dispensing dust suppressant are provided. The methods comprise forming an aqueous dispersion stream by delivering a surfactant composition to an aqueous liquid stream. The aqueous dispersion stream is mixed to ...  
WO/2017/075935A1
A method of increasing the permeability of a coal seam using high-power electric blasting assisted by hydraulic fracturing from a bottom drainage roadway, configured to efficiently extract gas from a coal seam having a high gas content a...  
WO/2017/070737A1
The present invention relates to a ducting system (100) for conveying a flow of a gaseous feed (110) comprising a combustible component from an inlet to at least one combustion module (12), the ducting system (100) utilising a combinatio...  
WO/2017/069351A1
A micro particulates removal system is provided. The micro particulates removal system includes: an air supplying/discharging room having a predetermined space with an entrance being connected with the ground, wherein the air supplying/d...  
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/2017/064343A1
The invention relates to means for controlling the working atmosphere in tunnels, characterised in that it consists of three interconnected subsystems: ventilation (A), gas confinement (B), and environmental monitoring (C); where, once t...  
WO/2017/059841A1
The invention relates to a face conveyor (1) having a chain conveyor (6). The chain conveyor (6) comprises a channel run (7) which is formed of wear inserts (7) and of troughs (8) which are coupled together and have inlaid wear inserts (...  
WO/2017/044920A1
A tree frame and grate system and growing method for the purposes of encouraging healthy and abundant root growth and permitting optimal development and growth of a tree or other plant material within an urban or otherwise primarily pave...  
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/2017/020516A1
A horizontal directional drilling liquid nitrogen freeze-thaw cycle permeability improvement method for gas extraction, comprising the following steps: firstly, constructing a main drill hole (3) in an intake airway or a return airway (6...  
WO/2017/018868A1
The invention relates to a capsule for shelter against abnormal events, having an ovate asymmetric shape and having compound materials that can support physical-mechanical tests such as impact, axial loading, lateral loading, shear force...  
WO/2017/018858A1
The present invention relates to a mobile dust collecting apparatus capable of drawing air, in which dust is mixed, through the inside of a multilayer structured casing, bringing the air into contact with a plurality of water particle cu...  
WO2017008393A1
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/2017/004713A1
There is described a system for sending, via a communication network, data originating from a monitoring of equipment in a network-inaccessible location. The system comprises a first interface device to be operated in a network- inaccess...  
WO/2017/002006A1
This invention provides a water spray means (10) including a frame (24) including at its front end, a suitable water spray device (14) connected to a water supply and an air pressure supply via a valve system (12,11, 12.12), a blast dete...  

Matches 1 - 50 out of 6,430