Matches 1 - 50 out of 126 1 2 3 >


Match Document Document Title
US20140030030 MINE BOLTER  
A machine (23) that is operable to drill passages in a surrounding rock layer and insert bolts therein. The machine (23) is operated by an operator (24) that stands on a platform (25) that is...
US20130108374 MOUNTABLE EARTH-EMBEDDING ANCHOR WITH REMOVABLE UNDERGROUND CONDUIT PANELS AND INSTALLATION APPARATUS  
Methods and apparatuses are disclosed for the rapid and precise removable installation of a substrate-penetrating device that facilitates underground delivery of various utilities to and/or from...
US20090074516 Self Drilling Rock Bolt  
The present invention relates to a self drilling rock bolt which may be used in mining applications. Self drilling rock bolts are typically are formed by rebars having an axially extending central...
US20130101360 HELICAL SCREW PILE  
A helical screw pile includes a longitudinal shaft having a top end and a bottom end with a plurality of helical plates arranged on the shaft in increasing diameter from the top to the bottom. The...
US20100098500 DRILLING TOOL, A SELF-DRILLING ROCK BOLT, A DRILL BIT, AN ANCHORING DEVICE FOR A SELF-DRILLING ROCK BOLT, A SHAFT FOR A DRILLING TOOL AND AN END COUPLING FOR A DRILLING TOOL  
A drilling tool (10) incorporating first and second ends, a shaft (13, 90) extending between the ends. The first end has a drill bit (15) to penetrate rock. The drill hit and the shaft have...
US20090180839 Concrete Anchor Insertion Device and Method  
A device for mounting anchors having a mounting end for positioning within pre-drilled apertures formed in concrete or cement and having a threaded end projecting forward of the pre-drilled...
US20120163923 STRUCTURE SUPPORTING SYSTEM  
The present invention relates to a structure supporting system which helps increase the bearing capacity of the foundation ground. In addition to an upper structure with adequate resistance,...
US20070274788 Single Pass Drilling Apparatus, Use of a One-Piece Drill Bit, Method and Rock Bolt for Single Pass Rock Bolting  
The present invention relates to a single pass drilling apparatus, a rock bolt, use of a drill bit and a method for single pass rock bolting for reinforcement and stabilization of excavations. The...
US20140105690 Tension Cable Bolt  
A low profile tensionable bolt cable system and method of installation. The tensionable bolt cable has a tension cylinder with a constant diameter throughout its length and a threaded exterior. A...
US20140072372 Tandem Plate for Friction Rock Stabilizer  
A tandem plate for use with a friction rock stabilizer of the kind that includes an elongated metal tube driven into a bore drilled in a rock wall and having an end adapted to engage a bearing...
US20140010598 Rock Bolt  
Disclosed is a rock bolt comprising an elongate shaft extending between opposite leading and trailing ends and a deformed section disposed proximal to the leading end, the deformed section being...
US20070297862 Rock bolt with grout flow geometry  
A rock bolt having a modified tip geometry for spreading grouting material along the bolt or rupturing a grouting material container, or both, and method of using such a rock bolt for substrate...
US20140294514 SCREEN-HANDLING SYSTEM AND METHOD OF INSTALLING SCREENING ON A ROCK FACE  
A screen-handling stinger extends and retracts hydraulically from within a bore of a hydraulic stinger of a rock bolter. The screen-handling stinger has a finger that engages a screen. The...
US20070297861 Steel Anchored Reinforced Mine Seal  
A reinforced mine ventilation seal anchored with steel dowels into the strata of a mine passageway. The seal has a pair of metal mats formed of vertical and horizontal elongated reinforcing...
US20110297057 HIGH-STRENGTH ANCHOR SYSTEM, SAFE ROOM BULKHEAD, AND METHOD OF ANCHORING A SUPPORT TO MINE STRATA  
A high-strength anchor system for anchoring a support to mine strata is disclosed. The system includes an anchor plate and a connecting member on the anchor plate for connection of the support to...
US20150218945 ROCK BOLTING MACHINE AND APPARATUS  
A rock bolting machine for installing a rock bolt in a roof of an underground space is provided. The rock bolting machine can include a vehicle and a boom. A rock bolting assembly can be attached...
US20150104261 KNOTTED MESH AS SUPPORTING MATERIAL IN MINES  
A method for lining mining and tunnel constructions with a support material (20) comprises the steps of: •a. providing a plurality of lay wires (24) in the long direction; •b. providing a...
US20140112723 BULLET ANCHOR SYSTEM  
An anchor system for an erosion control mat is provided. The system includes a bullet anchor comprising a bullet anchor body and a bullet anchor strap integrally molded with and extending from a...
US20060257211 Thermoplastic sheet pile design and methods of manufacture  
A method of pre-assembling two standard Z-Shaped thermoplastic sheet pile segments in a factory controlled environment where the sheets are fused or welded by a process using heat and pressure,...
US20120014756 YIELDABLE CONE BOLT AND METHOD OF MANUFACTURING SAME  
A mine roof support assembly for anchoring in a bore hole by means of a resin, cementitious grout which includes an elongated reinforcing tendon which extends from a proximal end portion to a...
US20110033246 Tensionable tubular resin anchored tubular bolt and method  
A bolt includes a tube, at least a portion of which is hollow, having a top and the bottom and at least one dimple. The bolt includes an insert fixed to the interior of the tube in proximity to...
US20140227042 CONSTANT-RESISTANCE AND LARGE DEFORMATION ANCHOR CABLE AND CONSTANT-RESISTANCE DEVICE  
A constant-resistance and large deformation anchor cable and a constant-resistance device are provided. The constant-resistance and large deformation anchor cable comprises cables (7), an...
US20140099167 MINE ROOF BOLT ASSEMBLY  
A mine roof bolt assembly (10) comprises a bolt (20), a bearing plate (30), and a washer (40) situated between a ledge (24) of the bolt (20) and a lower face (33) of the bearing plate (30). The...
US20050008438 Synthetic deformed bars and retaining walls  
An improved tensile inclusion member utilizing synthetic deformed bars to reinforce soil with improved attachment devices between synthetic deformed bars or other tensionable bars to precast...
US20070119624 Roof drilling improvements  
The invention is embodied in a heavy duty drill bit for hard/soft rock drilling comprising a high fatigue resistant, high alloy steel bit body having a PCD cutter element of super hard material...
US20130149041 ROCK BOLT AND ROCK BOLT COMPONENT  
A rock bolt component includes an elongate tubular section with an internal bore. A fixing member has an elongate body that includes a securing portion positionable in the internal bore of the...
US20080205994 Drill bit and a single pass drilling apparatus  
A drill bit and a single pass drilling apparatus are disclosed. The one-piece drill bit is rotatable about a drilling axis and has a connection portion, adapted to be rigidly connected to a drill...
US20110002746 Method of Assessing a Multilayer Strata for Rock Bolt Installation  
A method of assessing a multilayer strata (1) for rock bolt installation through a strata face (2) of said strata (1), comprises measuring potential differences between a first layer (3) of the...
US20120155970 Mine Roof Bolt With End Fitting  
A mine roof bolt includes an elongated body, first and second nuts, and an end fitting. The elongated body has a first end and a second end with the first end having a threaded portion. The first...
US20070177949 Adapter member of a rock anchor  
An adapter member for connecting a self-drilling rock anchor (1; 31; 69) with a chuck (6) of a drilling tool, includes a sleeve-shaped section (17; 37) having a bottom (20; 40; 60; 80) provided at...
US20100196102 Anchor system  
An anchor system for securing a cable within the ground. The system includes a body having a tapered cap and an internal cylindrical slot provided therethrough. A driving rod having an end with a...
US20130051928 DRILLING RIG  
A bolting apparatus and method for inserting a rod into a surface, the bolting apparatus including a base having a foot end and a head end, at least one stabilizing rod extendable from the base...
US20110176876 METHOD AND SYSTEM FOR PUNCTUAL FASTENING A WATERPROOFING MEMBRANE TO HYDRAULIC WORKS  
A method and a system for punctual fastening a waterproofing and protective membrane (13) of plastic material, for protective and waterproofing surfaces (19) of hydraulic works (10), such as...
US20100307827 METHOD AND DEVICES FOR HANDLING ROD-LIKE PIECES IN DRILLING AND BOLTING  
A method and a rod magazine for handling elongated rods in a rock drilling unit, and a bolting unit. Elongated rods, such as drill rods and rock bolts, are stored into a linear rod...
US20110052332 Yielding Bolt and Assembly  
A mine roof bolt includes an elongated rod and a polymer coating layer. The elongated rod has a first end and a second end with a protruding portion extending radially outward from the elongated...
US20110070034 CORROSION-PROTECTED, SELF-DRILLING ANCHOR AND ANCHOR SUBUNIT AND METHOD FOR THE PRODUCTION THEREOF  
A corrosion-protected, self-drilling anchor and an anchor subunit and to a method for the production thereof is provided. A self-drilling anchor of the invention includes a number of anchor...
US20060093438 Rock bolting system  
The present invention discloses a tube (14) for rock bolts having either a cable tendon or a rod tendon. The tube is deformed to permit the tube to be coiled and yet also provide good keying...
US20090285638 One-piece drill bit for single-pass anchor bolting and single pass drilling apparatus  
The present invention relates to a drill bit and a single pass drilling apparatus. The one-piece drill bit has a connection portion, adapted to be rigidly connected to a drill steel, a pilot part...
US20100034595 Friction stabilizers and roof bolt head markings  
A roof stabilizer for use in securing surfaces in tunneling and mining is disclosed and claimed. The stabilizer has a tube with a slot and a ring attached to the bottom end of the tube. The ring...
US20070269274 Rock Bolt  
A rock bolt (10) comprising first and second elongate members (11, 12) is disclosed. The first elongate member comprises a first end (13) adapted to penetrate rock, and a second end (14) adapted...
US20150159340 REINFORCED EARTH  
The present invention concerns a method of installing a reinforcement strip in a compacted fill retained by facing element together with the reinforcement strip extending between an anchorage zone...
US20050265790 Explosive-loaded ground anchor assembly  
A ground anchor retaining assembly for providing a ground-retained anchor to restrain an object, such as an above ground structure, for example, a tower or pylon connected to it. The assembly is...
US20080085161 Method And System For Monitoring And Documenting Installation of Rock Reinforcement Bolt  
A system for monitoring and documenting the installation of at least one rock reinforcement bolt in a tunnel or a mine, wherein bolt installation related information is stored and related to the...
US20110311314 MECHANICALLY STABILIZED EARTH WELDED WIRE FACING CONNECTION SYSTEM AND METHOD  
A system and method of constructing a mechanically stabilized earth (MSE) structure. A wire facing is composed of horizontal and vertical elements. A soil reinforcing element has a plurality of...
US20110103896 CUTTABLE DRILLING TOOL, AND A CUTTABLE SELF DRILLING ROCK BOLT  
The present invention relates to a drilling tool incorporating first and second ends, a cuttable and/or processable shaft extending between the ends. The first end has a drill bit to penetrate...
US20140079492 ALPINE ANCHOR FOR ANCHORING THREADED RODS IN SOIL OR ROCK  
Alpine anchor for anchoring threaded rods in soil or rock, with a metal base plate having a number of threaded bores which are distributed about the circumference and into which the threaded rods...
US20090269147 ADJUSTABLE ANCHOR ROD  
An adjustable anchor rod arrangement for use with an underdrain system that includes the a pair of spaced apart legs and an elongated member adjustably attached to the legs, wherein the legs are...
US20100266346 ROOF BOLTING CABLE FEEDING DEVICE  
A cable bolt lifting and feeding device that is a lightweight unit that mounts into a drill rig rotation unit. The device uses the mechanical power provided in the rotation unit to drive a set of...
US20080168981 RIGGING SYSTEM FOR SUPPORTING AND POINTING SOLAR CONCENTRATOR ARRAYS  
Embodiments in accordance with the present invention relate to the design of inexpensive mounting and pointing apparatuses for linear arrays of solar energy collectors and converters. Particular...
US20080038068 Rock bolt  
The present invention relates to rock bolts which may be used in mining applications. The rock bolt of this invention includes a mechanical anchoring arrangement to facilitate retaining the rock...

Matches 1 - 50 out of 126 1 2 3 >