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Patent Searching and Data


Matches 1 - 50 out of 63,184

Document Document Title
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...  
WO/2017/156970A1
A drilling and bursting heading machine, comprising a drilling and bursting device (1), an angle control device, a forward-backward telescopic device, and a cantilever type heading machine (2). The drilling and bursting device (1) is mou...  
WO/2017/156559A1
The invention provides an expansion lug which engages a rock bolt to provide a tapered surface upon which an expansion sleeve of a mechanical anchor acts to radially expand to mechanically anchor the rock bolt in a rock hole, the lug inc...  
WO/2017/153449A1
The invention relates to a method of underground boring utilizing a shield boring machine and a foamed aqueous composition.  
WO/2017/149371A1
The invention relates to a prefabricated modular energy segment (1) comprising a structural element (2) having a main development direction (20) and at least one pipe network (3) formed of a plurality of linear portions (5), a plurality ...  
WO/2017/144090A1
The invention relates to a mesh handler (1) for a mining machine (1000), comprising a generally U-shaped frame (2) for receiving and positioning a mesh (100) against a roof (110) portion of an underground tunnel; the frame (2) comprising...  
WO/2017/147262A1
A load bearing support includes a cylindrical drum. A top portion, a bottom portion, a tapered cylindrical sidewall extends between the top and bottom portions. A core member extends between the top and bottom portions, and a load-bearin...  
WO/2017/147626A1
An adhesive pump (16) and a system for pumping a resin into a hollow rock anchor (12) wherein the adhesive pump includes a tubular housing (28) and a cartridge (32A) within the tubular housing having a leading end and an opposed trailing...  
WO/2017/143232A2
A robotic drilling system for creating tunnels and conduits is disclosed. The robotic drilling system can include a drill module, a frame module, and/or a shuttle module. The drill module can include a drill and is used to drill into a m...  
WO/2017/138699A1
The present invention relates to an excavation earthwork volume management method for managing an earthwork volume, which is generated by discharging, to the outside through a transportation means, soil generated by excavating an undergr...  
WO/2017/136880A1
A rock bolt adapter for a drill assembly comprising a drill and a rock bolt with an internal axial passage between a leading end of the rock bolt and a trailing end of the rock bolt, the rock bolt adapter comprising: (a) a leading end ad...  
WO/2017/133986A1
The invention relates to a tunnel boring device for creating a bore from a starting point to a target point in the ground, along a predefined boring line by advancing the tunnel boring device in order to create a tunnel or for laying a p...  
WO/2017/133987A1
There are provided a method for the bottom-side separation of a body which is to be worked out of rock (2000), in which a first part of the bottom surface of the body to be worked out of the rock (2000) is separated by removing the rock ...  
WO/2017/134420A1
A tunnel segment gasket (1,1') comprising a shaped profile (3,3') having at least two anchoring legs (5,5') for casting in to a tunnel segment (6, 6'); a plurality of longitudinally extending bores (7,7'); a shot film joint (43') and a s...  
WO/2017/128716A1
Disclosed are an anti-spalling blocking bar for a large cross-section coal gallery excavation work surface and a supporting method. The anti-spalling blocking bar comprises a blocking bar (1) and a support bar (7). Both a top portion of ...  
WO/2017/127900A1
A crib element comprising a unitary engineered wooden member having in a preferred embodiment at least a pair of notches in an upper edge and at least a pair of notches in a lower edge to form a central web therebetween, each notch space...  
WO/2017/124431A1
A squeezing device for an underground project, comprising a guide body, a vibration system, a lubricating system, a guide system, a cutting mechanism and a gate, wherein the vibration system is located on four walls of the guide body, th...  
WO/2017/127009A1
Mining machine (1) for driving tunnels, said mining machine (1) including: a cutting head (5) having rock engaging cutting elements (5ยด), a rotator (32) for driving said cutting head (5), means for forcing the cutting head against rock ...  
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/2017/125307A1
A feed apparatus (3) for feeding cement to a cement silo (2) of a mining machine (1) comprises a receptacle (5) for receiving cement, a transfer tube (6) connected at a first end (6a) to the receptacle (5) for guiding the cement from the...  
WO/2017/125126A1
The invention relates to a header and loading machine (10) and to a method for excavating rock using such a machine. Rock is excavated using work attachments on an adjustable boom arm (20). The excavated rock is received by a loading tab...  
WO/2017/120633A1
The present invention relates to a point anchoring device adapted to be used with a pre-existing friction stabiliser having a tube embedded in an elongate hollow in the ground. The point anchoring device includes an elongate bolt and an ...  
WO/2017/120694A1
A multi-functional boring machine capable of stone production, comprising a slab conveyor (1) and a waste conveyor (2) installed onto a crawler undercarriage (3). A waste lifting device (66) is installed at a front end of the waste conve...  
WO/2017/119145A1
A rock bolt 1 embedded in a hole 103 provided in natural ground 101 comprises: a movable-side rod body 3 arranged inside the hole 103 and having movable-side extension sections 16, 17, 18 that are elastically deformable; a fixed-side rod...  
WO/2017/119271A1
A rock bolt 1 embedded in a hole 103 provided in natural ground 101 comprises: a movable-side rod body 3 arranged inside the hole 103 and having movable-side extension sections 16, 17, 18 that are elastically deformable; a fixed-side rod...  

Matches 1 - 50 out of 63,184