Matches 1 - 49 out of 49


Match Document Document Title
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...
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...
US20120070234 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...
US20150218946 TRAVELLING BOOM FOR 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 having a direction of travel, a rock bolting...
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...
US20120230774 SLIDING ANCHOR  
A chemical sliding anchor, in particular for use in mining, for the firm bonding to the rock in a borehole using a fixing agent, comprises an anchor pipe, preferably an anchor nut, anchor plate...
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...
US20050158127 Yielding strata bolt  
The present invention discloses a rock bolt having a tendon (1, 201) which is able to yield and thereby control movement of unstable rock strata into which the bolt is installed. The tendon has a...
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...
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...
US20160138397 ANCHORING AND ANTI-CLOGGING DRILL ROD FOR COAL MINE FLOOR  
An anchoring and anti-clogging drill rod for a coal mine floor and methods thereof are provided. The anchoring and anti-clogging drill rod includes a hollow drill pipe and a hollow sleeve...
US20050069388 Friction stabilizer with tabs  
A friction stabilizer having tabs comprising a tubular body comprising an exterior surface and having a first portion and having a second portion provided with a taper. The first portion has an...
US20120301228 Rock Bolt  
A rock bolt particularly for use in mining, comprising an anchor tube, an anchor nut, an anchor plate supported on the anchor nut. The rock bolt contacts the rock to show sufficient shearing...
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...
US20100054866 METHOD AND APPARATUS FOR CREATING SOIL OR ROCK SUBSURFACE SUPPORT  
A subsurface support is provided in the form of a soil nail. The soil nail has asperities formed on the outer surface thereof to improve the pullout capacity of the soil nail. The asperities can...
US20120219365 Rock Bolt  
A rock bolt, particularly for use in mining, having an axial conduit, an anchor nut, and an anchor plate supported by the anchor nut for the purpose of placement on the rock, that is able to...
US20060008327 Device to secure lining sheet to pond border  
An outer margin of a lining sheet is secured to a land border of a pond by a device comprising an elongate member and a plurality of fasteners, such as metal or polymeric stakes. The elongate...
US20140154017 SELF-DRILLING FRICTION BOLT  
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....
US20120009022 DEVICE FOR ANCHORING IN MULTILAYER SOIL  
It is provided that an anchoring device, in which a positioning plate, intended for bearing on the surface of the soil, is mounted on a hollow rod, the rod supporting in series, from the...
US20110206468 Reinforcement and/or anchor bolt  
With a reinforcement and/or anchor bolt (1) that can be used in mining and/or tunnel construction and that is to be screwed into bedrock (7), and that includes a bolt head (2), a bolt end (3), a...
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...
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...
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...
US20090041549 Earth anchor  
An earth anchor of the pivoting type having an essentially cylindrical body, a blind bore extending thereinto from a trailing axial end of the cylindrical body and a leading edge projecting from a...
US20140308081 TENSIONABLE ELONGATED BOLT DISPOSED WITH A SLEEVE AND METHOD OF USE THEREOF  
An anchorable mine support for anchoring in a borehole with resin or grout. The anchorable mine support comprises a tensionable elongate metal member and a sleeve disposed on at least a portion of...
US20100266345 ENGAGEMENT HEAD FOR TENSIONING ASSEMBLY  
An engagement head for a rock bolt tensioning assembly is disclosed that is profiled to include at least one key surface to inhibit rotation of the engagement head relative to a rock surface,...
US20100310323 ROCK BOLT ASSEMBLY  
A rock bolt assembly comprising a rock bolt having an elongate shaft extending between opposite distal and proximal ends of the rock bolt, and a sheath disposed on the shaft at or adjacent the...
US20100189515 TENSONING DEVICE  
The present invention relates broadly to a tensioning device (1) for a strata support cable tendon (80). The tensioning device (1) comprises a barrel fitting (60) and a barrel actuator (50). The...
US20080219775 Bolt assembly  
A bolt assembly for insertion into a rock wall including a hole having a diameter an a method thereof are provided. The assembly includes a resilient cylinder for insertion into the hole, a shaft...
US20170067340 UNDERGROUND SECURING SYSTEM COMPRISING A ROCK BOLT THAT INCLUDES AN ATTACHMENT DEVICE  
The invention relates to a securing system for the roof (10) of an underground road, said securing system comprising a rock bolt (1) to which a mobile attachment device (20) can be secured, said...
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...
US20170121919 WIRE MADE OF HIGH STRENGTH STEEL, PARTICULARLY FOR PROTECTING NETS FOR GEOTECHNICAL USE  
A wire for geotechnical use is described, for making protecting nets, made of high strength steel. The wire is at least partially shaped in a waveform and has a plurality of crests and valleys...
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...
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...
US20130336725 Rock Bolt  
A rock bolt is for use in stabilizing a rock face. The rock bolt comprises a body having a plurality of elongate lobes spaced apart by substantially resilient channel means. The rock bolt is...
US20130121772 HEAD PIECE FOR A GROUND ANCHOR  
A stabilizing device for a load element of a ground anchor includes two plate members, wherein the plate members have a generally L-shape and are complementary and do form a generally cross shape...
US20100230909 Adapter for self-drilling, chemically anchorable fastening element  
An adapter (21) for a self-drilling, chemically anchorable fastening element (11) is described, having a shank (12) with a first end (13) on which a drill bit head (16) is provided, and with a...
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...
US20150233244 ROCK BOLT  
A rock bolt has a rectangular blade, which can pierce and shred a flexible housing, extending from cross-shaped mixing formations at one end of an elongate rod.
US20100221071 REMOTELY CONTROLLED MINING MACHINES, CONTROL SYSTEMS, AND RELATED METHODS  
In one aspect, a system assists an operator in controlling a machine, such as a bolter including a drill head for drilling a borehole in a mine passage having a face and installing a bolt therein,...
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...
US20100290840 PLASTIC ROCK-BOLT OR DOWEL AND METHOD OF MANUFACTURING OF THE SAME  
A fibre reinforced rock dowel (10) for use in reinforcing strata or the like has a generally cylindrical shank (12) having a longitudinal axis and defines one or more groups of mixing vanes (16,...
US20160076215 EARTH ANCHOR METHOD AND APPARATUS  
An improved earth anchor includes modifications allowing it to be driven more accurately into hard or clay-rich soil. Methods of manufacture, use, and devices are described.
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...
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...
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...
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,...
US20160122967 NON-MECHANICAL ANCHOR  
A non-mechanical, anchor for securing a temporary shelter to ice or soil.
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,...

Matches 1 - 49 out of 49