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Class 405/259.1 - Rock or earth bolt or anchor


Subclass of Class 405 - Hydraulic and earth engineering
Definition: Method or apparatus wherein a rodlike tension member penetrates
No. of patents: 414
Last issue date: 05/08/2012


1                      
NumberTitleIssue Date
8172484Fiber reinforced plastic drilling anchor
The invention relates to a fiber-reinforced plastic drilling anchor comprising an axial bore that runs along the entire length thereof, fibers which extend in the longitudinal direction thereof, and fibers that extend at an angle to the longitudinal direction thereo...
05/08/2012
8172485End coupling for a rock bolt
An end coupling for a shaft of a rock bolt comprises a body having a lead portion with a leading end, and a tail portion with a trailing end. The tail portion is arranged to be connected to a drive to impart rotation to the coupling about its axis. The body defines ...
05/08/2012
8157482Anchor 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 smaller diameter is provided through the slot so that the driving rod ...
04/17/2012
8007206Low profile cable bolt headers
Improved roof cable bolts with reduced protrusion from a mine roof. Particularly, a roof cable bolt head can preferably be dimensioned such that most of its length fits inside a drilled hole in the mine roof. ...
08/30/2011
7967532Ground anchor or rock anchor with an anchor tension member comprised of one or more individual elements with corrosion-protected anchor head design
A ground anchor or rock anchor is provided that includes an anchor tension member composed of one or more individual elements, such as steel bars, steel wires, or steel wire strands. While the anchor tension member is intended to be introduced into a drilled hole an...
06/28/2011
7963726Plastic rock-bolt or dowel
A rock-dowel has a dowel shank and a threaded end at the head or proximal end of the dowel. Three groups of projecting mixing vanes are spaced along the shank. In use when inserted into a pre-drilled hole containing a two-part encapsulating resin and spun, the rock-...
06/21/2011
7963725Rock bolt
A rock bolt (10) which includes An elongate tubular member (18), which is formed with an inlet (22) through which a pressurized fluid can pass, into an interior of the tubular member (18), thereby to expand the tubular member (18) ...
06/21/2011
7959378Base for a drilling device
In a starter car for a drilling device for mining underground deposits, including a base frame (5) mounted to rotate about a vertical axis (6) and a starter pipe (7) mounted to pivot about a substantially horizontal axis (13) and provided...
06/14/2011
7927042Elongate element tensioning member
An adjustable yield rock bolt that comprises an elongated tensile support member that interacts with at least one gouging member and a receiving member capable of receiving the elongated tensile support member and hold the gouging member segment there between, where...
04/19/2011
7896579End coupling for a rock bolt
An end coupling 1, 19 for a shaft 2 of a rock bolt 50 comprises a body 6 having a lead portion 8 with a leading end 9, and a tail portion 10 with a trailing end 11. The tail portion 10 is arranged to be ...
03/01/2011
7887263Ground anchor
A cable guide mechanism configured to be releasably attached to a shaft, which includes a body portion, an indent or groove and a protrusion, characterised in that said indent or groove is located on the opposite side of the body portion to the protrusion, and is di...
02/15/2011
7841803Device for rock bolting and for automized rock bolting and rock bolting method
A device for rock bolting with an adapter device (10) for connection of a drilling machine (3) to a self drilling rock bolt (7), in which the adapter device has an adapter element (14) which is sealingly surrounded by a swivel sleeve (...
11/30/2010
7819609Automated, low profile drilling/bolting module with single button operation
A module is for use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for holding a plura...
10/26/2010
7802943Low profile mine roof support
A low-profile mine roof support device comprises a roof plate and a barrel. The roof plate is generally flat and defines a through-bore. The barrel includes a head disposed at a first end, and a cylindrical body disposed at a second end. A tapered bore extends from ...
09/28/2010
7780377Friction 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 can have indicia on a bottom surface of the ring or a side surface of t...
08/24/2010
7713003Ground anchors
The ground anchors of the type which are attached to cables, rods and the like, which are driven into the ground and tilted transversely of the hole by tensioning the cable are provided. A ground anchor including a central hollow tubular body portion extending subst...
05/11/2010
7654775Soil nail launcher
A soil nail launching device and method are provided wherein the launching device includes an improved configuration for the protective shroud and an improved configuration for a connection between the breach and barrel of the launching device. For the protective sh...
02/02/2010
7648311Cable bolt
A cable bolt is provided that is suited to stabilize rock surfaces, particularly to withstand loads placed on the cable bolt when tensioned to stabilize rock surfaces of coal mines. The cable bolt comprises a tendon composed of a plurality of strands, the tendon hav...
01/19/2010
7645096Yielding rock bolt
A yielding rock bolt having a solid metal shaft with a relatively wide portion and a relatively narrow portion and an anchor member mounted about the shaft. The anchor member has longitudinal bore which is of lesser dimension than the relatively wide portion. The an...
01/12/2010
7632045Detachable anchor bolt mixing head for use in mine roof support systems and method of using same
A mixing head attachment is provided for use in mixing grouts and/or resins (hereinafter for brevity collectively referred to as resin) used in mine roof support systems in the securement of an anchor bolt in a bore hole. A threaded fastener is provided to tension t...
12/15/2009
7607866Drilling 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 head end and having a stabilizing rod end adapted to contact a surface t...
10/27/2009
7553108Method and arrangement for stressing a staggered anchorage
A method and apparatus for tensioning a staggered anchorage comprised of a plurality of tension members, which are anchored in a bore hole at various depths, thus having different free steel lengths. For each staggered anchorage, each tension member is tensioned up ...
06/30/2009
7534073Earth anchor
An earth anchor of the pivoting type having an essentially cylindrical body, a blind bore extending therein to from a trailing axial end of the cylindrical body and a leading edge projecting from a leading end of the body, the leading edge chisel shaped for ease of ...
05/19/2009
7494300Ice anchor
An ice anchor and method of use thereof for securing or rescuing a vehicle which has become stuck or trapped while on a frozen surface of a body of water. The ice anchor may include blades which form a shaft and fit into an opening in the ice, and plates that limit ...
02/24/2009
7445406Rock bolt
An anchor device which includes a pipe (16), an elongate member (18) which is partly inside the pipe and which has an end (20) which protrudes from the pipe (16), and a restraining component (22) which is engaged with the protrudin...
11/04/2008
7438141Automated, low profile drilling/bolting module with carousel
A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for...
10/21/2008
7428936Automated, low profile drilling/bolting module
A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for...
09/30/2008
7428937Automated, low profile drilling/bolting module with gripper
A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for...
09/30/2008
7428935Automated, low profile drilling/bolting module with manual bolt magazine
A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for...
09/30/2008
7407344Automated, low profile drilling/bolting module with roof reference guide
A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for...
08/05/2008
7392866Roof drilling system 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 member and an enlarged shank portion constructed to accommodate torsional forces at high thrust pressur...
07/01/2008
7381012Automated, low profile drilling/bolting module with collaring
A module and related methods of use in drilling a borehole in a face of a mine passage using a drilling element and installing a bolt in the borehole once formed. The module may include a bolt holder for holding a plurality of bolts and a drilling element holder for...
06/03/2008
7377724Method and device for installing a self-drilling expandable rock bolt and a self-drilling rock bolt
In a method and a device for installing, in a rock wall or roof, a self-drilling expandable rock bolt (2) having a drill bit portion (5), an expansion portion (9) and a connecting portion (10), in a rock breaking step, the self-drilling r...
05/27/2008
7377723Systems and methods for the installation of earth anchors
An adapter attachment for an auger which includes an connecting shaft sized and shaped to be attached to the pilot bit hole present in the end of an auger, after the removal of pilot bit. The adapter also includes a bolt flange for connection to a foundation anchor ...
05/27/2008
7357726Method of producing a fibre reinforced structural element
A method of producing a fibre reinforced structural element including a plurality of fittings for the fixation of the element to another structural element, includes the steps of: (i) providing a core element of fibre reinforcement material having an end part; (ii) ...
04/15/2008
7353840Split nut for outlet box installation
An internally threaded split nut having an arcuate gap defining an opening large enough to pass over the outside diameter of a first tubular conduit or elongate rod section from the side, the split nut then being coaxially alignable and threadedly engageable with a ...
04/08/2008
7353891Systems and methods for the installation of earth anchors
An adapter attachment for an auger which includes an connecting shaft sized and shaped to be attached to the pilot bit hole present in the end of an auger, after the removal of pilot bit. The adapter also includes a bolt flange for connection to a foundation anchor ...
04/08/2008
7354225Decorative plant marker stake
A decorative marker which may be used to identify plants in a garden comprises a wire form encircling and capturing a decorative object such that the object can still be viewed through the wire form. A panel for receiving identifying indicia is connected to the wire...
04/08/2008
7324007Instrumented rock bolt, data logger and user interface system
A rock bolt includes a hollow body and a gap along a length of the hollow body. At least one strain gauge is affixed to an inner surface of the rock bolt and is accessible from the gap. The rock bolt may include a data logger within the hollow body and coupled to re...
01/29/2008
7320560Controlled expansion of rock bolt
The present invention is related to a method for manual installation of rock bolts expandable by means of a pressure media comprising manual coupling of a pressure source to a rock bolt to be expanded. The method comprises the steps of an operator starting a sequenc...
01/22/2008
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