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Patent Searching and Data


Matches 1 - 50 out of 63,442

Document Document Title
WO/2018/071097A1
This invention relates to a protective net for catching falling rocks in a railway or roadway tunnel, said protective net is composed of p-aramid fibers and is free of metal wire. The present protective net has high electrical insulating...  
WO/2018/065726A1
The invention relates to a device for the automated picking up and placing of a segment forming the lining of a tunnel, intended to be coupled to a tunnel-boring machine (1) provided with a segment erector (2), comprising: - a controller...  
WO/2018/055536A1
A rock bolt (10) is provided for frictionally engaging with the internal surface of a bore drilled into rockmass. The bolt comprises a tube havening a circular cross-section (12) defining a longitudinal split (14) and a longitudinal axis...  
WO/2018/055549A1
A shaft enlargement arrangement for a boring system is provided, the shaft enlargement arrangement comprising a hollow column proximate a lower end of the boring system. A reamer section comprising a downwardly tapering first cutter head...  
WO/2018/057841A1
A rock excavating device includes a shaft and a cutting element. The shaft includes a first portion and a second portion connected to an end of the first portion. The first portion is rotatable about a first axis. The second portion exte...  
WO/2018/058021A1
A mine roof bolting system including a bearing member having a first member, a second member spaced apart from the first member, and apertures defined through each of the first and second members, and a mine roof bolt extending through t...  
WO/2018/050556A1
The invention relates to a measurement signal evaluation method for a micro-tunneling method for simultaneously pushing at least two pipe elements having a predetermined static charge threshold, into a subsurface (1), for creating a pipe...  
WO/2018/049974A1
Disclosed is a telescopic gage disc cutter box. The cutter box can meet the large-diameter expanding excavation requirements of a TBM cutter head to deal with engineering geology with large buried depths and high rock convergence. The te...  
WO/2018/052246A1
According to the present invention, a linearly movable vibration ripper is disclosed. The linearly movable vibration ripper comprises: a main body part; a coupling bracket, provided so as to be rotatable in the main body part, for the co...  
WO/2018/045746A1
Disclosed is a method for construction of a boom-type roadheader for an urban shallow tunnel with intensive karst and rich water, comprising the following steps: measuring and positioning an excavation tunnel face, and then performing ge...  
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/2018/045277A1
A rock bolt system includes a fitting having a main body defining a central opening configured to receive a rock bolt, with the main body defining a grout opening in fluid communication with the central opening, and a grout body defining...  
WO/2018/038290A1
The present invention relates to a packer for splitting a rock by means of hydraulic pressure, the packer sealing the area around a cut, forming a sealed space, to split a rock by means of hydraulic pressure. The packer comprises: a cyli...  
WO/2018/038561A1
The present invention relates to a leading pipe (100) used in a press-in method, the leading pipe comprising: a tubular main body (110); a rotary member (120) connected to a wire saw (210) led in through a front opening part of the main ...  
WO/2018/038289A1
The present invention relates to a cylindrical packer for splitting a rock by means of hydraulic pressure, the packer sealing the area around a cut, forming a sealed space, to split a rock by means of hydraulic pressure. The cylindrical ...  
WO/2018/032106A1
A methods and systems for determining a change in condition of a rock bolt are disclosed. Some methods may comprise, at a first point in time, propagating shear and longitudinal ultrasonic waves along the rock bolt to measure a first tim...  
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/2018/028748A1
The invention relates to a drill head (101) for excavating rock (123), in particular hard rock, in tunnel construction, wherein the drill head has at least one excavating tool (115, 117), and the drill head has at least one first ultra-h...  
WO/2018/023161A1
A polymer sheet adapted to attach to a material body such as a ceiling of a geological cavity and provide protective cover. The sheet comprises: a webbing portion defining a plurality of primary openings; and two margin portions extendin...  
WO/2018/019434A1
The invention relates to a method for freezing ground areas bordering a shaft (10) by means of a liquefied gas (F). The liquefied gas (F) is provided in a supply container (21) positioned outside the shaft (10), and is fed from the suppl...  
WO/2018/018054A1
The invention relates to an anchor-loading device (1) for preloading and/or for checking the preload of an anchor (3) in a longitudinal direction (4) of the anchor (3), which anchor is fastened in a geological formation (2), wherein the ...  
WO/2018/017948A1
A longitudinally yieldable support for underground roof support includes a first support section with a first elongate outer shell partially filled with a solid compressible filler material and a second support section at least partially...  
WO/2018/015258A1
The invention relates to a device (10) for producing a cavity in a soil from a starting point to a target point along a drilling line for introducing timbering for holding the cavity open having a tunneling head (11), at the outer end of...  
WO/2018/017229A1
A milling depth compensation system for milling rock determines a target position of a machine (10), an initial position of the work surface (101), and a target pose of the machine based on the target position of the machine and the init...  
WO/2018/009958A1
A system for lining a perimeter surface of an excavation; the perimeter surface defined by a solid structure; the perimeter surface lined by means of precast concrete panels which are affixed to the solid structure.  
WO/2018/006558A1
Disclosed is a confined high-strength concrete support system applicable to an underground tunnel, comprising: multiple confined concrete arches (14); an anchor (1-2); an anchor cable (1-1); and a prestressed concrete steel strand backfi...  
WO/2018/008808A1
Provided is a tunnel inspection system for scanning the internal wall surface of a tunnel, comprising an individually driven rail-guided vehicle and an inertia navigation system (INS), the tunnel inspection system being capable of applyi...  
WO/2018/009655A1
A drilling and bolting device for driving a drill element into a rock surface includes a frame, a drive unit supported for movement relative to the frame, and an actuator for moving the drive unit relative to the frame. The drive unit in...  
WO/2017/219134A1
Rock bolts are typically used to provide support for rock formations and to hold the formation together. Rock bolts may fail due to a number of reasons. Failures in rock bolts may cause overload or loss of preload in the rock bolt. Aspec...  
WO/2017/215715A1
The invention relates to a sealing profil 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 inventio...  
WO/2017/215192A1
A method for evaluating filling characteristics of a filling coal-mining hydraulic support, implemented through the following steps: A. analyzing geological data and geological conditions; B. initially choosing the type of hydraulic supp...  
WO/2017/214639A1
A progressive toad indicator which includes a tubular body of a suitable meta! material which extends between opposed first and second ends, a passage through the body between the ends for receiving the passage of a rock anchor in use an...  
WO/2017/211429A1
The invention relates to an active temporary roof support apparatus (1) for attachment to a mining machine (100), comprising at least one set (2, 4) of support members (6, 8, 10, 12), each set (2, 4) comprising at least a first support m...  
WO/2017/211674A1
The invention relates to a pipeline (1), which is formed from a supporting structure (2) of concrete and from an inner air-tight lining (3). The lining has a plurality of anchoring means (4) on the outside (3') of the lining, which ancho...  
WO/2017/207712A1
An apparatus for lining tunnel ceilings or tunnel walls with protective nets comprising: a main unit, and a first movable arm having a first and second end, said first end being attached to said main unit,a supporting panel attached to t...  
WO/2017/204050A1
The objective of the present invention is to make it possible for an inspection operator to carry out a hammering sound inspection without it being necessary for the inspection operator to perform an operation to move an inspection devic...  
WO/2017/205759A1
A cutting device for a cutting head includes a disc, a plurality of cutting elements secured to the disc, and a plurality of wear elements secured to the disc. The disc rotates about an axis of rotation, and the disc includes a periphera...  
WO/2017/204392A1
A tunnel boring machine according to an embodiment of the present invention comprises: a cutter head for excavating the ground; a body portion, connected to the cutter head, for moving debris of the excavated ground and controlling the c...  
WO/2017/203390A1
The present invention relates to an anti-seismic joint for concrete quoins comprising an elastically deformable unit (2) provided with first tension rods (6) adapted to be anchored to one of the quoins to be joined; to the elastically de...  
WO/2017/201553A1
The invention provides a push-on locking device which includes a barrel which has a leading end and a trailing end with a tapered passage which extends at feast partially between the ends, a gripping means within the passage, a cylindric...  
WO/2017/199693A1
Provided is a tunnel boring machine capable of detecting, with a highly reliable configuration, the wear status of a disc cutter. The tunnel boring machine is provided with a measurement device. The measurement device is disposed at the ...  
WO/2017/194322A1
The invention relates to a transmission having a first planetary stage (101), a second planetary stage (103), a first brake (149) and a second brake (151); wherein the first planetary stage (101) and the second planetary stage (103) in e...  
WO/2017/190397A1
Provided are a segmented modular large deformation-resistant and impact-resistant combined anchor bolt and a method for assembling same. An outer anchor module of the combined anchor bolt consists of an outer anchor end, an anchor pipe a...  
WO/2017/187219A1
An expandable rock bolt which is formed with a expansion body (2) whose transversal cross section has a deformed shape which forms on the surface at least one lengthwise groove (21) whose ends are procured with caps (3) with a filling co...  
WO/2017/188510A1
According to the present invention, provided is a hybrid mega girder comprising: a plurality of columns (10); a plurality of first girders (100) for connecting the columns (10), which are adjacent to each other; a plurality of second gir...  
WO/2017/180042A1
A method (100) and an apparatus (1) for rock reinforcement are described. The method (100) comprises the steps: to inject (101) a first component (A) and a second component (B) through a first channel (3) and a second channel (5) respect...  
WO/2017/176205A1
The present invention concerns a reinforcement means intended for insertion and fixation in a borehole (2) through being embedded in grout (4) and comprising a bolt rod (5), equipped with a tensile section (7) intended to extend out from...  
WO/2017/171558A1
The present invention disclose a tunnel wall element comprising a lightweight body element coated with a fire resistant coating providing increased mechanical integrity of the tunnel wall element. The present invention is also related to...  
WO/2017/167856A1
The invention relates to a boring method in which overburden in a shaft end of a drilled shaft (10) is created by a drill unit (90). The overburden is transferred by means of liquid into a container (30, 40) provided within the drilled s...  
WO/2017/159605A1
Provided is a large cross-section underground space constructing method comprising: a step for constructing, in a surrounding area of a main shield tunnel (11) and a ramp shield tunnel (12), two circumferential shield tunnels (10A), (10B...  

Matches 1 - 50 out of 63,442