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WO/2013/129979A1 |
The invention relates to a shielded draining pipe mesh (1) for mounting on a surface and for being covered by shotcrete (7). The pipes (2) are U-shaped in cross section with an open side facing the surface. The pipe (2) is provided with ...
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WO/2013/127408A1 |
The invention relates to a system for drilling holes for rock bolts and for placing rock bolts (7), especially in underground mining and tunnel construction, comprising at least one rock drilling machine (1) that can be displaced on a mo...
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WO/2013/127617A2 |
A method for lining a support material in mining and tunnel constructions comprises the steps of: providing a plurality of lay wires in the long direction; providing a plurality of stay wires in the cross direction, the stay wires making...
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WO/2013/127407A1 |
The invention relates to a system for drilling holes and for placing rock bolts, especially in underground mining and tunnel construction, comprising at least one rock drilling machine (2) that can be displaced by a limited displacement ...
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WO/2013/127409A1 |
The invention relates to a system for drilling holes for rock bolts or blastholes and for placing rock bolts (4), especially in underground mining and tunnel construction, comprising at least one rock drilling machine (2) that can be dis...
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WO/2013/127517A1 |
The disclosed support structure (13) for drive or return stations (11) for use in underground mining includes a base plate (15) resting on a floor (14) and a pi vo table carrier (22), to which the drive or return station (11) to be suppo...
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WO/2013/126688A1 |
A bearing plate and a nut and bolt arrangement for use as a rib or roof support for coal mines where the extracted coal is used for powder coal and has a specific gravity in the range of 1.5-1.9, preferably 1.7. The bearing plate has an ...
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WO/2013/110148A1 |
The present invention relates to a device used to mechanically enlarge the base of caissons, so as to form a semi-spherical cavity in the base of the caisson formed, in which said device includes a socket (11) in the upper extremity ther...
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WO/2013/111359A1 |
Sealing performance is improved in a sliding gap of a rotating valve (38), and the rotating valve (38) is rotated smoothly when a roller bit (31) is exchanged. A valve housing portion (35) is formed in a rear portion of a bit housing por...
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WO/2013/108025A2 |
Shutter panels (10) are assembled to form shutter rings la, lb that are connected end to end in a tunnel (2) to form a shutter (1), with an annular space between the tunnel (2) and the shutter (1). Strengthening rings inside the shutter ...
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WO/2013/104019A1 |
A combination tool (1 ) for inserting/spinning and tensioning a cable bolt comprising: an inner drive body (3) and an outer drive body (2), each drive body comprising a drive receptacle (5, 8) at one end, and the outer drive body (2) hav...
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WO/2013/105725A1 |
Disclosed is a high-energy pressure fit type of rock bolt. The high-energy pressure fit type of rock bolt which is disclosed comprises: a bent pipe on the inside of which is formed a fitting space, and which bends inwardly at equal inter...
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WO/2013/104021A1 |
An improved torque tensioning system for applying high load tension to a cable bolt of the type including a threaded sleeve, an anchor plate, a domed washer, and a tensioning nut, the system comprising a drive assembly including a housin...
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WO/2013/098444A1 |
The wedging system for transmitting loads from formwork to the surrounding earth comprises a supporting member (3), a threaded bar (2) for the transmission of vertical load, a nut (11), and a base (1) that in turn comprises a plate (9) w...
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WO/2013/098460A1 |
The invention relates to a method and a mining vehicle for post drilling insertion. A mining vehicle (1, 16) includes at least one boom (5b) provided with a post-drilling unit (17) for feeding an insertion object (26) into a pre-drilled ...
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WO/2013/098459A1 |
The invention relates to a method and arrangement for post drilling insertion. A mining vehicle (1, 16) includes at least one boom (5b) provided with an insertion unit (17) for feeding an insertion object (26) into a pre-drilled hole (7)...
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WO/2013/083185A1 |
The invention relates to a method for monitoring an automated sequence of movements of a mining shield which is used in underground mining, which has at least one skid and a canopy, and which is attached to a longwall conveyor by means o...
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WO/2013/084543A1 |
In the present invention, excavation soil that accumulates in an accumulation space provided at the front of an excavation device is discharged smoothly. A tunnel excavation device (1) comprises the following: an excavation mechanism (4)...
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WO/2013/078514A1 |
A grout delivery system (10) for delivery of grout to a downhole location within a borehole. The grout comprising a settable mixture of first and second flowable components. The grout delivery system (10) is adapted to be conveyed to the...
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WO/2013/081989A1 |
A drive pin mechanical fastener is disclosed and has an elongate body extending from a head. A frustoconical indicator shroud is disposed about the elongate body and has a first end and a second end. The first end of the indicator shroud...
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WO/2013/079548A1 |
The present invention relates to a leveling instrument (10) for guiding a tunnel-boring machine (1), including a reflective prism (11), having a known shape, and an angular sensor (12), said guide being characterized in that it includes ...
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WO/2013/077595A1 |
A seabed drilling and vertical shaft construction method according to an embodiment of the present invention comprises: a) fixing and installing a jack-up barge to arrange a casing at a dredging surface; b) installing a guide frame at on...
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WO/2013/073754A1 |
The present invention pertains to a tunnel excavation device, which includes an excavation head, a main body on which the excavation head is rotatively mounted, a motor provided in the main body and rotates the excavation head, and a con...
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WO/2013/069838A1 |
The present invention relates to a tunnel reinforcement structure capable of controlling ground displacement using pressurization, including: reinforcements adapted to be forcedly inserted into the bored holes formed along the outer surf...
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WO/2013/059911A1 |
The present invention provides a technique in undercut excavation that allows a continuous steel reinforced concrete floor to be set up or installed over a large width and length and installing continuous steel reinforced concrete floors...
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WO/2013/056450A1 |
Disclosed is a brushing apparatus for a shotcreting machine. The brushing apparatus comprises a first rotary drive member (30) and a rotating member (40) with one side connected to an output end of the first rotary drive member (30), and...
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WO/2013/056306A1 |
A shoring box system (10) for use in a ground trench (60) includes a pair of shoring panels (12) and a number of elongate props (22). The props are attached to the two shoring panels to maintain the panels in an erected position in which...
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WO/2013/057442A1 |
A large-diameter drilling device comprising a fixed body (2) and a tool (4) movable in rotation and translation in relation to said body (2), the fixed body (2) having radially-distributed holding cylinders (12) oriented towards the outs...
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WO/2013/057981A1 |
Provided is a process for simply improving the handleability of a thixotropic slurry in transportation and so on. A process for dewatering a slurry which has a thixotropic region, including a step of dewatering the slurry by pressure fil...
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WO/2013/054861A1 |
Provided is a fan to be set in a manhole opening through which the entrance or exit of workers or the carrying of articles in or out is easy. Provided is a sewer ventilation system using said fan. Provided is a fan, which comprises a rin...
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WO/2013/053604A1 |
A connection clip (10, 20, 36, 42) for connecting two wire mesh parts (32, 34, 41, 49) comprises two legs (11, 12) connected at one side to each other via a base section(13). The legs (11, 12) have each at their other side first hooks (1...
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WO/2013/053225A1 |
Disclosed is a rescue machine for tunnel collapses, comprising a cutting head (1) with a diameter-alteration function; a spiral conveyance shaft (2); a drive unit for rotation of the spiral conveyance shaft; a rescue cylinder (5); a prop...
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WO/2013/050010A2 |
A compact monitoring device (6) for monitoring the state of rotation of a disk cutter (5) of a shield tunnel boring machine is integrated into a clamping element (15) for fastening the disk cutter (5). A sensor module (33) of the monitor...
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WO/2013/048306A1 |
A device (1) for driving tunnels, galleries or the like including a cutting head (2), wherein an excavating direction of the cutting head (2) being essentially at a right angle to said rotation axis (R), a base unit (3) with stabilizing ...
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WO/2013/047025A1 |
A drill bit exchange device for a shield tunneling machine equipped with: a housing (33) in which a tunneling aperture part (34) is formed; a valve body (35), which is housed in a valve-housing chamber (36) formed in the housing (33), an...
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WO/2013/041449A1 |
The invention relates to a device (1) for lowering a heavy load support (2) of a support framework in the construction industry, characterized in that, of two components under load, arranged to be movable toward each other in the directi...
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WO/2013/037766A1 |
For a tubbing made of concrete for lining a tunnel, in particular a traffic tunnel, the tubbing has a convexly curved outer surface and a concavely curved inner surface opposite the outer surface and the tubbing is provided with a thermo...
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WO/2013/039315A2 |
The present invention enables each segment, in which two center through-paths and two end through-paths are formed, to be sequentially and adjacently arranged at each column in a vertical direction, wherein: horizontal segments at four c...
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WO/2013/033760A1 |
A tensionable cable bolt assembly (100) has a cable (110) longitudinally extending between a cable leading end (111) and a cable trailing end (112). A tensioning member (120) is mounted on the cable (110) toward the cable trailing end (1...
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WO/2013/028754A1 |
A reinforcement system includes an adapter, a friction bolt, a drilling rod coupled to the adapter, and a drill bit configured to drill an opening optimally sized for receiving the friction bolt. The drilling rod has a diameter that allo...
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WO/2013/012555A1 |
The invention relates to a pin handling device, for coupling and decoupling conveyor segments to and from a train of conveyor segments in high wall mining. The invention also provides a coupling pin for coupling conveyor segments in a tr...
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WO/2013/010206A1 |
A coal caving system (1) including a plurality of shields (3) with canopies (6) which are selectively operated to allow coal to cave onto a rear conveyor (37). In one aspect, the invention provides a shield control method including contr...
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WO/2013/005392A1 |
Provided is boring equipment having a large diameter cutter head and being capable of an efficient boring even if an object to be bored is hard ground or the like. The boring equipment includes: an outer circumferential cutter head (20) ...
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WO/2013/003971A1 |
The invention relates to a modular system for subterranean construction, comprising high-security means for installations, preferably of a nuclear plant, the system increasing the security levels the deeper it goes, and having improved s...
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WO/2013/005944A2 |
The present invention relates to a protective structure for the mouth of an unfinished tunnel, which comprises a structure in which a scaffolding protective structure installed for protecting workers and construction equipment from falli...
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WO/2013/002094A1 |
Provided is a method that is for designing a corrugated steel sheet and that is characterized by, when designing the corrugated shape of a corrugated steel sheet that configures a corrugated steel sheet pipe of tube diameter D comprising...
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WO/2013/002711A1 |
The present invention concerns a tubular rock bolt (1) that can be expanded by a pressurised medium, for insertion into a drilled hole (16) and comprising an extended tubular part (2) with a closed cross-section (12) and provided with a ...
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WO/2013/000237A1 |
Disclosed is a laser melting and coating method for a hydraulic upright post for mining, which comprises: forming a spiral scan along the surface of a moving pillar of the upright post body (1) by a laser beam and a nickel-based alloy po...
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WO/2012/174608A1 |
Some embodiments relate to a transporter for a boring rig, such as a raise-boring rig. The transporter comprises controls to control operation of the boring rig. Some specific embodiments relate to a mobile support system for a raise-bor...
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WO/2012/171056A1 |
A resin injection apparatus (19) for use in connection with a drilling apparatus (10) for installing ground anchors. The resin injection apparatus(19) comprises a fluid injector (20), adapted to be connected in fluid communication with a...
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