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Patent Searching and Data


Matches 1 - 50 out of 64,217

Document Document Title
WO/2019/053653A1
The invention relates to a sleeveless energy absorbing rock bolt. A first end of the rock bolt is configured to facilitate the mixing of an anchoring composition and/or anchoring the rock bolt in the rock. The rock bolt comprises mangane...  
WO/2019/052331A1
Disclosed is a self-drilling differential grouting combined bolt, which is composed of a drill (1), a grouting pipe (2), a spindle (3), a bolt head mechanism and a bolt tail mechanism, wherein the drill (1) is connected to a front end of...  
WO/2019/056025A1
An expansion assembly for a rock bolt (40) which includes: an expansion shell (12) which extends between a distal end and a proximal end, the shell comprising a joining formation (24) and a plurality of expansion leaves (22), each having...  
WO/2019/052594A1
The invention relates to a conveying and transport system for tunnel constructions, having a twin-rail overhead track system which comprises a roof-mounted track (1) consisting of two lines (2, 3) of rails (4) arranged parallel alongside...  
WO/2019/051512A2
One aspect of the invention provides a rock anchor assembly which includes: a tubular sleeve which extends between a first end and a second end and which has anchor retaining portion which opens on the second end; a rock anchor with an e...  
WO/2019/047997A1
The invention relates to a self-supporting reinforcement system for the concrete lining of the inner shell of a tunnel construction. The object of the invention is that of supporting the outer shell (15) or rock wall of a tunnel construc...  
WO/2019/046883A1
An encapsulation system (100) for use in securing a rock bolt in a bore hole drilled into a rock face to be stabilised, said encapsulation system comprising at least two separate encapsulation mediums (112,122) and one or more elongate c...  
WO/2019/040980A1
In accordance with the present invention, there is provided a conveyor skirt system, the system comprising: a support member (33); a series of skirting panels (24) releasably fixed to the support member (33); a rail assembly (56) positio...  
WO/2019/043592A1
The invention relates to a kibble tipping arrangement, which is used in a mining operation where a kibble (12) is vertically displaceable along a kibble displacement path to transport excavated material ia a vertical mineshaft to the sur...  
WO/2019/042483A2
Provided are a TBM boring rock state real-time sensing system and method, used to solve the problem that existing means cannot effectively reflect a TBM tunnel boring rock state in real time so as to facilitate the selection of a suitabl...  
WO/2019/046253A1
An autonomous roof bolter includes a material handling system having a storage pod with a plurality of spaced, fixed holders, each receiving at least one of a plurality of roof bolts. A guidance system may automatically guide the roof bo...  
WO/2019/038239A1
The present disclosure relates to an apparatus (1) for forming a mould cavity (4) to form a wall section (2) of a cast-in-place wall. The apparatus (1) includes a plurality of forming plates (5-n) for forming a support wall (6) which def...  
WO/2019/038247A1
A rock bolt and meshing assembly for installation of meshing sheet against a surface of rock strata. The rock bolt comprises an adapter having a first portion connectable to a trailing end of an elongate shaft of the rock bolt and an elo...  
WO/2019/028495A1
A tunnel boring machine for boring a tunnel in rock including: locating means mounted to a frame for supporting and locating the frame in a disposition with respect to a tunnel axis and a boring face of the tunnel being bored; a first bo...  
WO/2019/033133A1
A rock bolt which includes an elongate tubular member (14), a sacrificial drill bit (20) at one end of the member, a flushing passage (42) to direct fluid to the drill bit (20), and a valve (34) which closes the passage (42) thereby to a...  
WO/2019/029254A1
The invention provides a cutterhead temperature detecting device and a shield tunneling machine. The cutterhead temperature detecting device comprises a temperature acquisition module (1), a control module (2), a sending module (3), a re...  
WO/2019/025959A1
A mobile tunnel boring unit is disclosed, comprising a support body driven by first drive means, the first drive means including a pair of spaced apart crawler tracks in contact with the tunnel floor and related track driving means to mo...  
WO/2019/023952A1
A method for monitoring vibration and strain of key parts of a tunnel boring machine, and a monitoring device and an all-day monitoring and early warning system thereof. A vibration and strain sensor and a wireless data transmission syst...  
WO/2019/024613A1
Disclosed is a corrugated plate assembly (100) for supporting for tunnels, comprising a plurality of corrugated plate units (110) connected to each other in the transverse and longitudinal directions. The longitudinal edge of each corrug...  
WO/2019/023719A1
The invention provides a grout anchored rock bolt which includes an elongate cylindrical body of a suitable material which has at least one integral anchor portion which comprises of a plurality projection, each of which extends laterall...  
WO/2019/020009A1
Disclosed is a horseshoe-shaped boring machine propelled by a track, the machine comprising a cutterhead device (1) arranged at the front end, wherein the cutterhead device (1) is mounted on an anterior shield (2) and is connected to a d...  
WO/2019/015730A1
The invention relates to a sealing profile for embedding into a moulding of curable material, in particular a concrete or plastic moulding, and to a sealing arrangement comprising such a sealing profile. The object of the present inventi...  
WO/2019/016462A1
A method for converting a shaft (10) of a mine in order to store thermal energy by using water stored in the shaft, the mine comprising at least one gallery (11) passing through or opening into the shaft, the method comprising the format...  
WO/2019/013328A1
In an aspect of the present invention, a screw conveyor comprises a helical auger and a central shaft that extends along the center line of the auger and that is formed in the same topological helix as the auger. In another aspect of the...  
WO/2019/006896A1
Disclosed are a rigidity-flexibility-coupled tunnel monitoring support comprehensive system and method. The system comprises a plurality of parallel support arches, wherein the support arches comprise a plurality of rigid support units (...  
WO/2019/007127A1
A shield cutter head mud cake cutting device and cutting method. The cutting device comprises a high pressure jet means (2). The high pressure jet means (2) comprises a self-rotating sprayer (2-1) and a barrel (2-14) mounted on a cutter ...  
WO/2019/000907A1
A large-deformation constant-resistance anchor bolt and anchor cable grouting support, and roadway quantitative support method. The anchor bolt comprises a bushing (1), a hollow bolt body (51), an anchor cylinder (3), a support plate (6)...  
WO/2019/000839A1
The present invention relates to the field of mining engineering. Provided is a monitoring method integrating three aspects of data relating to strata control, comprising: downhole pressure observation, in which a pressure monitoring dev...  
WO/2018/233354A1
A car frame traveling type shield tunnel wall post-grouting detection apparatus, comprising a car frame traveling type automatic conveying device, an air-coupled ground penetrating radar (1), and intelligent wall post-grouting body proce...  
WO/2018/232532A1
A method for drilling a tunnel through a formation must address environmental concerns. One tunneling method comprises the steps of: preparing a mixed metal-viscosified drilling fluid including bentonite, a mixed metal viscosifier and co...  
WO/2018/233149A1
Disclosed is an argillaceous soft rock roadway partition multi-granularity grouting reinforcement method, comprising evaluating a corresponding geological state according to geological information data of a specific roadway, designing dr...  
WO/2018/233286A1
Disclosed is a subway shield segment. The segment comprises a segment body (1) of a graphene-steel fiber concrete structure. A steel bar frame covers the inside of the segment body (1), and comprises an upper layer steel bar net, a lower...  
WO/2018/228217A1
The invention provides a complementary transportation and support system used after rapid excavation. The complementary transportation and support system comprises a crushing and transportation device, a roof bolt support device (5) and ...  
WO/2018/232426A1
The invention provides a method of adapting a rock bolt, which has an elongate metal body which extends between a leading end and a trailing end, to provide the bolt with a positioning and a puncturing formation, the method including the...  
WO/2018/228656A1
Roof mesh installation apparatus for a mining machine. A mesh roll is carried at a dispenser at a forward position of the machine capable of unrolling mesh to be laid and bolted at a tunnel roof. A tensioning device positioned at the dis...  
WO/2018/229754A1
Systems and methods for detecting underground voids, comprising steps of: digging a tunnel to be the detection path; placing fluid dispensing means along the bottom part of the tunnel wherein said dispensing means further equipped with f...  
WO/2018/231118A1
Arrangement (1) for use at rock reinforcement is described herein. The arrangement (1) comprises a pump connected to a mixer (7) through a first line (5), wherein the mixer is adapted to create a mixture comprising at least two component...  
WO/2018/231117A1
Arrangement (1) for use at rock reinforcement is described herein. The arrangement (1) comprises: a mixer unit (3) adapted to carry at least one mixer (5) intended to achieve a mixture of at least two components and to inject the mixture...  
WO/2018/227219A1
The invention provides a centralising positioner for a resin bolt which includes a central attachment part which is adapted to engage a leading end of the bolt and a positioning part integral with the attachment part that extends from th...  
WO/2018/224029A1
A shield spiral conveyor (1) comprises a rotary cylinder (11) for discharging and cutting muck (6) and a cylinder driving assembly (2) used for driving the rotary cylinder to rotate. The cylinder driving assembly comprises a transmission...  
WO/2018/227218A3
The invention provides a resin bolt which includes an elongate shaft which extends between a leading end and a trailing end and a positioning head which is integral to the shaft at the leading end and which extends in the elongate axis o...  
WO/2018/223730A1
A shield segment capping block assembling apparatus. By means of alternate supporting of the jacking connection of capping segments by two lead screws on a capping segment supporting frame and the jacking connection of the capping segmen...  
WO/2018/227218A2
The invention he invention provides a resin bolt which includes an elongate shaft which extends between a leading end and a trailing end and a positioning head which is integral to the shaft at the leading end and which extends in the el...  
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/2018/218900A1
Disclosed is an anchor-bolt hole interior reamer used for mining. Said reamer comprises a reaming cutter, a sleeve (1), a push-pull rod (2), a drilling-rig connecting shaft (3), and a manual hydraulic jack (4); the push-pull rod (2) is c...  
WO/2018/223156A1
The invention provides a positioning device for positioning a resin cartridge within a rock hole which includes a cartridge holding means comprised of a hollow cup-like body which extends between an apical end an open mouth end and an el...  
WO/2018/223157A1
The invention provides a bung (10) which has a body (12) which extends between a leading end (24) and a trailing end (22) and which includes an inner part (14) of a rigid material which has a cylindrical aperture (20) for receiving a roc...  
WO/2018/223158A1
The invention further provides a groutable rock anchor which includes a protective sleeve of a rigid or semi-rigid water impermeable material which extends between a first end and a second end, a distal end cap, formed with a plurality o...  
WO/2018/214737A1
The present invention relates to the field of shield tunnel construction, and provides a construction method for the inner structure of a single-bore double-track composite lining shield tunnel. Steps of the method mainly comprises a fir...  
WO/2018/214180A1
Disclosed is a microwave pre-splitting-type hard rock tunnel boring machine cutterhead (10). A front face of the cutterhead (10) is provided with several microwave emission outlets (1), wherein wave transmitting protection plates (12) ar...  

Matches 1 - 50 out of 64,217