Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 5,967

Document Document Title
WO/2018/218378A1
The invention relates to distension techniques for neutralising the rock explosions that often occur during the construction of underground works located in environments exposed to high stress fields, such as caverns, main tunnels or bra...  
WO/2018/219361A1
A method of sensing the absolute position and orientation of a coal mining machine (1). In a three-part mining-equipment set primarily composed of a coal mining machine (1), a scraper conveyor (2), and hydraulic supports (3), the absolut...  
WO/2018/215019A1
The invention relates to a vertical conveyor system (1) for mining or tunnelling, comprising an endless conveyor belt (2) guided between an upper delivery station (7) and a lower delivery station (8). A plurality of wheels (4, 5) facing ...  
WO/2018/213706A1
A cutter assembly for a tunnel boring machine includes first and second housing mounts each having a plate portion, an abutment flange, and a plurality of spaced seats. A cutter ring assembly is mountable in the housings and includes two...  
WO/2018/204973A1
A vertical or block chain connector (10) for linking between two closed chain links (15) comprises a lower element (12) and an upper element (14) configured to engage with the lower element (12) to form the chain connector in an assemble...  
WO/2018/200455A1
Methods for using a single explosive material whose specific volume energy can be controlled for use in at least a segment of a borehole. Alternatively, or additionally, methods for using mixtures of one or more explosive materials and o...  
WO/2018/197154A1
A cutter (127) for a cutting unit (700) used in cutting apparatus (100) suitable for creating tunnels or subterranean roadways. The cutter (127) includes: a disc body (711) having an underside (732), an upper side (730) arranged substant...  
WO/2018/192678A1
A control system for controlling operation of a cutter motor and a cutter boom movement mechanism of a machine includes a sensor that measures an amount of load associated with the cutter motor. A controller determines whether the load o...  
WO/2018/194775A1
A tool adapter (300) comprises a body (306) including at least one elongated portion (308) defining a longitudinal axis (L), a first end (310) and a second end (312) disposed along the longitudinal axis (L), a flange (314) disposed betwe...  
WO/2018/193785A1
[Problem] Seabed resource extraction system. [Solution] The present invention relates to the extraction of a seabed resource, and provides a movable or fixed type seabed resource extraction system characterized by being provided with: a ...  
WO/2018/192653A1
A rotary cutting head (15) for a cutting machine comprising a plurality of nozzles (29) positioned at a peripheral portion of the head to direct a fluid jet to a selection of cutting buttons located at cutter discs (14). The nozzles (29)...  
WO/2018/192066A1
A method for controlling a subsidence area caused by underground mining in an adjoining open-pit mine, applied in an open-pit and underground coordinated mining process. In the method, a ground subsidence area (7) caused by underground m...  
WO/2018/192765A1
Cutting apparatus (100) for creating tunnels or subterranean roadways comprises: a support structure (800) having first and second cutting assemblies (900), with a rotatable cutting head (128) and a mounting assembly (902), which include...  
WO/2018/176892A1
Disclosed are a network integrated and coordinated control system and method for thin coal seam comprehensive mining and gas control. By optimising shearer selection and mining method, efficient mining on a joint coal and rock working fa...  
WO/2018/171067A1
A mining system of a marine non-diagenetic natural gas hydrate reservoir and a mining process are disclosed. The system comprises a drilling platform (1), a shaft access channel (2), and a main production channel (3) all sequentially con...  
WO/2018/165776A1
The present invention relates to a method and to an in-situ mining installation, for in-situ mining of mineral bodies located in an underground volume, which reduces the disadvantages of underground mining, the method comprising the step...  
WO/2018/162442A1
A strike tip for a pick tool is provided. The strike tip comprises a strike structure comprising a super-hard material and a substrate comprising cemented carbide material, the substrate being joined to the strike structure at an interfa...  
WO/2018/162478A1
Disclosed first of all is a round-shank pick (3) having a cylindrical pick shank (18), a bearing surface (19) adjoining the pick shank (18) in an axial direction (22), said bearing surface (19) protruding in a radial direction, extending...  
WO/2018/165219A1
A drive mechanism for a chain conveyor includes an elongated shaft that extends along an axis and is configured to be driven to rotate by a motor. A sprocket is integrally formed with the shaft. The sprocket includes a plurality of lobes...  
WO/2018/160568A1
A cutting tool rotatable about a central longitudinal axis of the cutting tool and configured for impingement upon a substrate includes an elongate cutting tool body having a head and a shank axially rearward of the head. The head includ...  
WO/2018/153477A1
A hydraulic system to control at least two hydraulic actuators via a metering control valve assembly. The hydraulic system is particularly advantageous to control a pivoting arm of an undercutting mining machine according to at least two...  
WO/2018/148832A1
Provided herein is a method for measuring the size distribution and/or hardness of free falling rock pieces. The method comprises projecting at least one laser line on the falling rock pieces by a laser device; capturing images of the fa...  
WO/2018/147724A1
The present invention provides an cutter head with a blade that is provided with a recess, and a tool which can be inserted in said recess in the blade through a tool holder in such a manner that the tool is completely spaced apart from ...  
WO/2018/136998A1
Disclosed is a method for validating logging data for a mineral sample which has been obtained from a region of interest. The method comprises obtaining logging data associated with a composition of the mineral sample, the logging data i...  
WO/2018/129448A1
Mining systems include a continuous miner; a movable roof support; a roof bolter; and a flexible conveyor train positioned with its front end located under the roof support and extending underneath the roof bolter.  
WO/2018/129498A1
The present system is disclosed for use in securing bits (12) against rotation in a motor grader. The bit securing system (10) has at least two bits (12), and each bit (12) has a respective shank (24). Each shank (24) has a respective lo...  
WO/2018/121955A1
The invention relates to an interchangeable chisel holder (40) which can be fixed to a milling drum (15) of a ground-working machine (10), having a forward chisel holder (42) for the interchangeable holding of a forward chisel (20), pref...  
WO/2018/124806A1
The present invention relates to a flow path connecting structure which is modularized, thus allowing the manufacturing process to be simplified and reduces the weight of the structure, and in which adapters that are compatible between m...  
WO/2018/114806A1
A machine (100) for cutting material includes an undercarriage (102) including propulsion device for propelling the machine (100) and a cutter head (110) disposed on a tool support and positioning assembly (120) movably supported by the ...  
WO/2018/115210A1
A control method and system for avoiding collisions between components of a machine (100) includes a controller (191) that receives position signals from sensors (200, 202, 204, 210, 220) associated with movable components of the machine...  
WO/2018/114803A1
A machine (100) includes an undercarriage (102) having propulsions devices such as continuous tracks (104) and a cutter head (110) disposed on a cutter boom (122) that is slidably supported over the undercarriage (102). During operation,...  
WO/2018/115061A1
A degradation tool and a method of manufacturing the degradation tool is provided. The degradation tool (301) includes a holder body (302) to receive a support body (303) within a bore (304). A load transferring entity (306), such as a p...  
WO/2018/109892A1
[Problem] To provide methane gas production equipment capable of continuously producing methane gas, from a methane hydrate layer, using a gas lift. [Solution] In this methane gas production equipment, a production well 2 is formed so as...  
WO/2018/108662A1
The invention relates to methods for determining a soil class, in which an earth drilling is introduced into the ground by means of a ground drilling device with a drill head, wherein a parameter of the ground drilling device and/or an o...  
WO/2018/112332A1
A control system may be provided for operating a machine (10) having a rotary cutting head (12). The control system may include a wrist (19) capable of rotating about a wrist axis (20), a gear mechanism (33) capable of driving rotation o...  
WO/2018/108325A1
An implement system (22) for a machine (10) includes a boom (34) housing a drive mechanism (60) for a cutting implement (24), and having a plurality of oil outlet ports (62,64) formed therein. A control mechanism (58) is configured to re...  
WO/2018/106300A1
A double headed drill bit for a cutting element carried on a rotary drum member of a continuous mining machine is provided according to the invention. The drill bit is formed from a length of hardened material and includes a first tapere...  
WO/2018/099262A1
Provided is a rock drilling, swelling and chiselling combined machine based on a high-pressure foam medium, which comprises: a mechanical device of the rock drilling, swelling and chiselling combined machine, a high-pressure foam generat...  
WO/2018/099261A1
A stoping method for an oxygen-free working surface of a highly gaseous mine, comprising: aiming at a first coal seam of the highly gaseous mine which is not disturbed and a working surface (1) of which roof fissure of the coal seam is n...  
WO/2018/094874A1
Disclosed is a coal mining machine attitude control method based on a coal seam geographic information system. The method comprises: establishing an association model between a cutter undercut adjustment amount of a lower drum (4) of a c...  
WO/2018/095955A1
The invention relates to a hard metal insert (1) for a round shank chisel on a rotatable roller of a milling machine, having a cylindrical body (2), a conical tip (3) on the body (2), a soldering surface (5) which is provided on a base (...  
WO/2018/090859A1
Provided are a system and method, based on machine vision and multi-sensor fusion, for automatic operation of a coal mining machine. The system comprises a main machine body of a coal mining machine, an automatic drill rod conveying syst...  
WO/2018/088053A1
The purpose of the invention is to provide a gas hydrate recovery method and a gas hydrate recovery device that can suppress changes in an underwater environment caused by gas hydrate recovery. Provided is a gas hydrate recovery method i...  
WO/2018/086694A1
A roller cutter unit (13) mountable at a cutting head (15) of undercutting mining machines (10). The cutter unit comprises an elongate mount shaft (23) to position and support a cutter ring (14). The cutter ring (14) is secured to the mo...  
WO/2018/071020A1
A downhole drilling system is disclosed. The downhole drilling system may include a pulse-generating circuit electrically coupled to a power source to provide power at a frequency, the pulse-generating circuit comprising an input stage t...  
WO/2018/068362A1
Disclosed is a deep-sea mining system (100), comprising a transport ship (110) shuttling on the surface of the sea, an undersea self-propelled floating body (120), a seabed mobile delivery station (130) and a seabed mineral collection ma...  
WO/2018/064901A1
A cutting pick, comprising a base body, a cutting tooth (1) arranged on the base body, and a conical annular wedge (2); the cutting tooth (1) is a polycrystalline diamond composite tooth which is composed of a polycrystalline diamond com...  
WO/2018/059811A1
The invention relates to a method, to a system, and to a device for decomposing methane hydrate (1) and to a method and to a system for obtaining methane from methane hydrate (1), wherein methane-hydrate-containing seabed is removed and ...  
WO/2018/060933A1
An air bag (110) for pushing down stone slabs (110), comprising at least two overlapped flexible plane layers welded to each other (111, 112), the air bag (110) configured to be put into a plane cut slit (150) between a quarry wall (140)...  
WO/2018/056274A1
Core sampling is enabled over a wide range of the seabed. The present invention is provided with a main robot 3 that moves underwater by remote operation, and a sampling robot 2 that is connected to a manipulator 7 attached to the main r...  

Matches 1 - 50 out of 5,967