| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 405259500 | With settable material feature | 68 |
| 20080286054 | Self-drilling rock anchor - A self-drilling rock anchor includes a drilling head ( | 11-20-2008 |
| 20080304920 | Resin Anchor With a Compressible Envelope Containing a Curable Product - The resin anchor comprises an apertured tubular envelope designed to be compressed by a traction element, characterized in that it includes, on the inside of the envelope, a resin component and a hardener component that are intended to be mixed together and to cure under the action of the compression of the envelope, in order to fasten the anchor. The traction element is a stud having a threaded rod part that cooperates with a tapped traction element firmly attached to the end of the bushing. The anchor is fastened both mechanically and chemically, for either solid material or hollow material. | 12-11-2008 |
| 20090052995 | Arrangement for injecting and affixing a reinforcing or anchoring element in a rock wall - The present invention relates to an arrangement and to a method for injecting and affixing a reinforcing and/or anchoring element in a rock wall. The arrangement includes means ( | 02-26-2009 |
| 20090136302 | Tensionable spiral bolt with resin nut and related method - In one aspect of the invention, an apparatus and related methods for installation in a borehole formed in a face of a mine passage comprises an elongated bolt including a spiral shaft portion for positioning in the borehole. A hardened, stationary resin nut formed in only part of the borehole, preferably spaced from the distal end thereof, receives the spiral shaft portion of the bolt. Consequently, rotation of the spiral shaft portion within the hardened resin nut serves to move the bolt within the borehole, such as for purposes of tensioning. | 05-28-2009 |
| 20090142142 | Self-drilling connection anchor - A self-drilling connection anchor ( | 06-04-2009 |
| 20090191007 | Resin Mixing and Cable Tensioning Device and Assembly for Cable Bolts - The present invention is directed to a device and assembly for the anchoring and tensioning of cable bolts used in earthen formations to stabilize the earthen structures to prevent or minimize the caving in or sluffing-off of the earthen structure. The new invention presents an integral wedge barrel and threaded sleeve which can be turned to facilitate both the mixture of cementing resins and the physical tensioning of an anchored cable and which can reduce or prevent undesirable twisting of the cable during tensioning. | 07-30-2009 |
| 20090269147 | 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 adjustable along a longitudinal axis of the elongated member and the elongated member is adjustable along a longitudinal axis of the legs. | 10-29-2009 |
| 20090290941 | Setting method for anchoring a fastening element - A setting method of anchoring a fastening element ( | 11-26-2009 |
| 20090324343 | Injection bolt with a fixed static mixer - The invention provides an injection bolt for use in securing a rock mass having:
| 12-31-2009 |
| 20100003088 | ANCHOR WITH GROUT JACKET | 01-07-2010 |
| 20100014923 | Method of setting a self-drilling, chemically anchorable fastening element and a self-drilling chemically anchorable fastening element - A method of setting a self-drilling chemically anchorable fastening element ( | 01-21-2010 |
| 20100021245 | DEFORMABLE ROCK BOLT - The invention is a rock bolt for being grouted in a borehole, said rock bolt comprising: —an elongate cylindrical massive stem ( | 01-28-2010 |
| 20100104377 | Coupler bolt termination system - A termination system which attaches a conventional threaded rod or bolt to a cable. An anchor is attached to an end of a cable using known techniques—such as potting. A threaded rod or bolt is placed on the anchor, pointing away from the direction of the cable. The rod or bolt is mechanically attached to the anchor using several different techniques. The result is an anchor assembly including a threaded protruding shaft. Because the assembly uses an inexpensive prior art rod or bolt, the machining operations are confined to small components needing relatively little material removal. | 04-29-2010 |
| 20100150666 | ANCHOR FIXING AGENT, ANCHOR FIXING AGENT AMPULE, AND METHOD FOR FIXING ANCHOR - Provided are an anchor fixing agent which can fill up fine concave and convex portions present on the inner surface of a hole formed in a base material and can maintain great strength, in particular, even after the lapse of a long period of time; an anchor fixing agent ampule; and a method for fixing an anchor. An anchor fixing agent which comprises an alumina cement, a lime and/or a portland cement, and water. Preferably, it further comprises an agent for the retardation of setting and light magnesia. The anchor fixing agent ampule holds a solid component and a liquid component in the anchor fixing agent in the state wherein the components are separated from each other. | 06-17-2010 |
| 20100166505 | SELF-CENTRALIZING SOIL NAIL AND METHOD OF CREATING SUBSURFACE SUPPORT - A subsurface support is provided comprising a soil nail having an outer member and an inner member placed within the outer member. The soil nail includes features that maintain a uniform spaced relationship between the inner and outer members. The soil nail may be installed by drilling or launching through a launching device. The spaced relationship between the inner and outer members may be achieved by crimping the outer member, or by use of an insert installed between the inner and outer members. In other embodiments, the support is made of composite construction materials, and having a self-drilling capability. The soil nail has two primary members, namely, an outer threaded member, and an inner threaded member that is placed through the outer member The outer member is made from fiberglass, and a metallic drill bit is secured to a distal end of the soil nail. The inner member is preferably steel. The dual piece construction provides superior tensile and compressive strength, particularly for applications in which a coupler is used to join outer members to extend a length of the soil nail. A method is also provided to improve pull-out capacity by galvanizing the inner and outer members | 07-01-2010 |
| 20100166506 | COMPOSITE SELF-DRILLING SOIL NAIL AND METHOD - A subsurface support is provided comprising a soil nail having an outer member and an inner member placed within the outer member. The soil nail includes features that maintain a uniform spaced relationship between the inner and outer members. The soil nail may be installed by drilling or launching through a launching device. The spaced relationship between the inner and outer members may be achieved by crimping the outer member, or by use of an insert installed between the inner and outer members. In other embodiments, the support is made of composite construction materials, and having a self-drilling capability. The soil nail has two primary members, namely, an outer threaded member, and an inner threaded member that is placed through the outer member The outer member is made from fiberglass, and a metallic drill bit is secured to a distal end of the soil nail. The inner member is preferably steel. The dual piece construction provides superior tensile and compressive strength, particularly for applications in which a coupler is used to join outer members to extend a length of the soil nail. A method is also provided to improve pull-out capacity by galvanizing the inner and outer members | 07-01-2010 |
| 20100183379 | ANCHORING SYSTEMS AND METHODS OF USE THEREOF - A method of adjusting gel time of a grouting system used for anchoring a reinforcement in a mine includes adding inhibitor to initiator of the grouting system, the inhibitor and initiator being disposed together in a first compartment of a multi-compartment shreddable package. | 07-22-2010 |
| 20100290841 | METHOD FOR FIXING A CABLE OR TENDON - The present invention relates broadly to a tensioning device through which a strata support cable | 11-18-2010 |
| 20100310323 | 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 distal end of the bolt, the sheath having a body that extends about the shaft, the body having a longitudinal axis, opposite leading end and trailing end spaced apart along the axis, the body incorporating a cavity in which the shaft is disposed, the cavity extending from the trailing end of the body. | 12-09-2010 |
| 20110002746 | Method of Assessing a Multilayer Strata for Rock Bolt Installation - A method of assessing a multilayer strata ( | 01-06-2011 |
| 20110027019 | NON-TENSIONABLE CABLE BOLT APPARATUS AND RELATED METHOD - A cable bolt and related methods are provided. In one aspect of the invention, the bolt includes a sleeve for connecting or securing to a cable. A plurality of facets along a peripheral portion of the sleeve create corners that prevent the cable from rotating within the borehole during installation. The sleeve may he secured to the cable using resin. | 02-03-2011 |
| 20110070035 | SELF DRILLING ROCK BOLTING - The present invention relates to self drilling rock bolting. In particular, the invention concerns both a drilling apparatus for rock bolting, and a rock bolt for use with the drilling apparatus. The drilling apparatus comprises within it a fluid injector having an upper part that mates with a self-drilling rock bolt for boring a hole. The injector includes three fluid inlets, three fluid outlets in the upper part, and three fluid conduits extending from respective inlets to respective outlets. The self drilling rock bolt comprises an elongate body having a leading end with a cutting tip, and around the tip a thread with a coarse pitch. The bolt also has a trailing end with an integral collar for fluid connection to a channel that extends axially through the body of the rock bolt to the leading end. Above the collar is a thread with a fine pitch. In other aspects the invention concerns a system comprising the drilling apparatus in combination with a rock bolt and a method for rock bolting using the system. The invention has application, but not exclusively, to rock bolting to stabilise the roof and walls of underground coal mines. | 03-24-2011 |
| 20110142549 | Re-tensionable Cable Bolt Apparatus and Related Method - A re-tensionable cable bolt and related methods are provided. In one aspect of the invention, the bolt includes a sleeve for connecting or securing to a cable. The sleeve includes a lower end having a bore adapted for receiving a threaded shank for associating with a tension nut. A plurality of facets along a peripheral portion of the sleeve create corners that prevent the cable from rotating within the borehole during installation. The sleeve may be secured to the cable using resin, which forms another aspect of the invention. | 06-16-2011 |
| 20110182672 | INJECTING DEVICE, DRILL RIG AND METHOD OF ROCK BOLTING - The invention comprises an injection device ( | 07-28-2011 |
| 20110194902 | SLEEVED CABLE BOLT - A cable bolt has a multi-strand cable, and a sleeve having at least one open end. The sleeve has an outer surface and an inner surface. The outer surface of the sleeve is at least partially threaded. An end portion of the multi-strand cable is disposed inside the sleeve. A bonding material is disposed between the inner surface of the sleeve and an outer surface of the end portion of the multi-strand cable. The bonding material bonds the sleeve to the multi-strand cable. | 08-11-2011 |
| 20110200400 | PLASTIC CABLE BOLT BUTTON - A cable bolt button comprising a continuous sidewall having a first end, a second end and an end portion attached to the first end of the sidewall, forming an inner cavity. The cable bolt button forms an interference fit between the sidewall of the cable bolt button and a cable bolt when the button is placed over the distal end of the cable bolt. The cable bolt button may also include a plurality of protrusions extending outwardly from the end portion away from the inner cavity and/or at least one recess. The protrusions may be separate features of the end portion or the first end of the sidewall may have a non-linear profile with the periphery of the end portion following the profile of the sidewall to form the protrusions and recesses. The end portion may also comprise a plurality of intersecting surfaces further shaping the protrusions and recesses. | 08-18-2011 |
| 20110222969 | SELF-VENTING CHEMICAL ANCHORING ASSEMBLY WITH SPLASH GUARD - A chemical anchoring assembly useful for fast application of a driving tool into a borehole includes an elongated tube having a first end and a second end, a quantity of chemical anchoring material within the elongated tube, and a vent at the second end of the elongated tube. As an anchor pin is driven through the elongated tube and into the borehole, forcing the chemical anchoring material into the borehole, some of the pressure caused by compression of the chemical anchoring material is released into the vent, allowing easier driving of the anchor pin. | 09-15-2011 |
| 20110299940 | RESIN-ANCHORED BOLT WITH INDENTATIONS - A strata support system that provides support and balance to a rock mass and reacts to movement of the rock mass. The strata support system includes a borehole that is drilled into a surface of the rock mass. A resin is disposed in the borehole to secure a cable within the borehole. An anchor cable bolt assembly having a plurality of strands that are twisted together to form the cable is inserted into the borehole. At least one of the plurality of strands includes an interrupted outer surface that is defined by a plurality of spaced indentations. The plurality of spaced indentations are formed along the length of the strand and provide for a plurality of surface contours to enhance engagement of the anchor cable bolt with the resin. | 12-08-2011 |
| 20120020744 | ROCK ANCHOR - The invention provides a compact apparatus for providing a substantially pressure-tight connection between a source of a plastics component and an opening of an inner channel of a rock bolt wherein the apparatus comprises a central block moveable to be aligned with the rock bolt, a supply pipe slidably arranged in the central block, a first force transmitter, a gripper for attaching the central block to the rock bolt, a gripper drive slidably mounted on the central block and arranged to operate the gripper, and a second force transmitter wherein the first force transmitter is arranged to press the supply pipe onto the opening of the inner channel of the rock bolt; wherein the gripper is mounted on the central block; and wherein the second force transmitter is arranged to operate the gripper drive to force the gripper to clamp the central block onto the rock bolt. | 01-26-2012 |
| 20120034036 | FRICTION STABILISER - A method of installing a stabiliser into a hole provided in an area to be stabilised, the method comprising the step of providing a filler material adapted to be associated with a stabiliser, the filler material, in association with the stabiliser, enabling frictional engagement of the stabiliser with a surrounding environment to be less than the tensile strength of the stabiliser. | 02-09-2012 |
| 20120039672 | FULLY GROUTED CABLE BOLT - A cable bolt includes a cable having a first end and a second end, and a barrel and wedge assembly attached to the cable at a position adjacent to the first end of the cable. The barrel and wedge assembly has a first end and a second end. The cable bolt also includes a nut positioned adjacent to the first end of the barrel and wedge assembly and defines a sealed interface therebetween. The nut defines a passageway in fluid communication with the cable. | 02-16-2012 |
| 20120155969 | Anchor Module and a Method for Producing an Anchor Module - An anchor module, in particular for mining and tunneling, is provided. The anchor module comprises an anchor rod made of plastic, extending along an anchor axis and having, after fabrication of the anchor rod, a connecting section with at least one generally smooth conical or circular cylindrical surface section in the area of at least one axial rod end. The anchor module also comprises at least one functional part extending along the anchor axis and having a tapping screw thread for cutting or tapping a screw thread in the area of the connecting section, such that after assembly of the functional part in the area of the connecting section, the anchor rod has a cut or tapped screw thread cooperating with the tapping screw thread of the functional part for transferring torques and/or tensile forces between the anchor rod and the functional part. | 06-21-2012 |
| 20120177448 | GROUT DELIVERY SYSTEM FOR A ROCK BOLT - A grout delivery device which includes a body which defines an internal volume ( | 07-12-2012 |
| 20120282039 | MINE ROOF SUPPORT APPARATUS AND SYSTEM - A cable bolt includes a multi-strand cable segment constructed from steel wire strands, and a drive head. A compressible porous backer rod is placed along cable segment adjacent the drive head. A tubing portion provides a conduit for liquid grout injected under pressure into the bore hole. Tubing portion includes discharge holes that may be predrilled through the wall of the tubing portion. The holes provide a predetermined distribution path for the liquefied grout that is injected into the bore hole. Discharge holes may be evenly dispersed longitudinally along the wall, or distributed to provide a desired, unequal distribution of grout. Distribution holes may be larger at the top of the tubing, or may be distributed adjacent to the top of tubing portion to allow greater cross-sectional flow of grout from the tubing to compensate for factors that restrict grout flow nearer the top. | 11-08-2012 |
| 20130004245 | Yielding Spiral Bolt Appendage for a Rock Bolt - A yielding spiral holt appendage for attachment to a rock holt has a cylindrical shank portion for attachment to the insertion end or the rock and a helical flute portion having a tip for rupturing a resin cartridge and achieving mixing when rotated. The shank has a first tapered portion and a second tapered portion for resisting movement or the appendage once the resin has set. | 01-03-2013 |
| 20130011205 | STRAND ANCHOR - A strand anchor, especially for use in mining, comprising a strand having several wires, an anchor head, an anchor plate supported by the anchor head for placement onto the rock, should make it possible to discharge the displaced air when the curable material is being injected into a drilled hole, without the need for a separate hose. At least one longitudinal channel, preferably a plurality of longitudinal channels, is/are formed between the wires of the strand, so that air can be discharged to the outside through the strand through the at least one longitudinal channel when the curable material is being injected into a drilled hole. | 01-10-2013 |
| 20130028667 | ANCHOR TENDON WITH SELECTIVELY DEFORMABLE PORTIONS - A mine roof support system includes an elongated anchor rod or tendon having a rigid non-deformable distalmost anchoring end portion, and one or more axially deformable portions which are configured to deform in the event load forces exceed a threshold force approximating the forces during a rock burst or rock dilation event. The rigid anchoring portion is provided with primary anchor members such as ribs, gooves, studs and the like. The primary anchor members are configured to reduce bar plasticity, and fixedly secure and retain the rigid portion in place in a drill hole. In the event rock forces exceed the threshold force, the plastically deformable portions elongate with the dilating rock to accommodate and absorb the rock forces. | 01-31-2013 |
| 20130236251 | ROCK BOLT SEALING SYSTEM - The present invention is directed to sealable rock bolts that prevent water leakage through the bolt, a kit containing portions of such bolts prior to assembly, installation, and use, and a method of using such sealable rock bolts. Such rock bolts are fastened in place in a roof, wall, or bottom of an underground region via pressure fitting or the like. The rock bolt contains a sealing unit that contains a liquid water activated, expandable hydrophobic pre-polymeric resin. The sealing unit has side, top, and bottom portions that are degradable by water to permit the resin to expand upon contact with water and to seal the bolt to prevent water passage through the bolt. | 09-12-2013 |
| 20140140773 | RESIN INJECTION APPARATUS FOR DRILLING APPARATUS FOR INSTALLING A GROUND ANCHOR - A resin injection apparatus for use in connection with a drilling apparatus for installing ground anchors. The resin injection apparatus comprises a fluid injector, adapted to be connected in fluid communication with a hollow drill shaft of a drill rig. The fluid injector can be used to inject one or more resin fluids into the drill shaft wherein, in use, when a hole has been drilled in a rock stratum, resin can be injected into the hole via the drill shaft prior to inserting a ground anchor. | 05-22-2014 |
| 20140255107 | SELF-CENTRALIZING SOIL NAIL AND METHOD OF CREATING SUBSURFACE SUPPORT - A subsurface support is provided comprising a soil nail having an outer member and an inner member placed within the outer member. The soil nail includes features that maintain a uniform spaced relationship between the inner and outer members. The soil nail may be installed by drilling or launching through a launching device. The spaced relationship between the inner and outer members may be achieved by crimping the outer member, or by use of an insert installed between the inner and outer members. In other embodiments, the support is made of composite construction materials, and having a self-drilling capability. The soil nail has two primary members, namely, an outer threaded member, and an inner threaded member that is placed through the outer member The outer member is made from fiberglass, and a metallic drill bit is secured to a distal end of the soil nail. The inner member is preferably steel. The dual piece construction provides superior tensile and compressive strength, particularly for applications in which a coupler is used to join outer members to extend a length of the soil nail. A method is also provided to improve pull-out capacity by galvanizing the inner and outer members | 09-11-2014 |
| 20140308081 | 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 the tensionable elongate metal member. The sleeve has a thickness of less than about 1 mm. A method of reducing frictional resistance between a tensionable elongated bolt and a hardened resin nut in a borehole formed in a face of a mine passage. The method reduces the frictional resistance between a tensionable elongated bolt and a hardened resin nut, thus improving the ability to tension a tensionable elongated bolt and stabilize a rock formation or structural body. | 10-16-2014 |
| 20140321924 | DETACHABLE BOLT - A detachable bolt includes a bolt body being a round bar and having an inner end and an outer end; a periphery of the inner end being formed with at least one screw section with threads thereon and at least one circular section; each circular section having a smooth surface with a plurality of protrusions. The outer end of the bolt may be a structure like that of the inner end, or may have threads thereon, or may be smooth, or may be sleeved by a sleeve. In detaching process, other than the gluing material in the hole will break, the object to be retained and the retaining wall will not be destroyed. The bolt body can be removed from the object and the wall easily without great forces applied thereto. Furthermore, the wall and the object to be retained can be restored to the original outlook easily. | 10-30-2014 |
| 20140334885 | ANCHOR, ESPECIALLY A ROCK ANCHOR - An anchor fitted with a self-tapping thread and an anchor rod, whereby at least one axially oriented feed channel for a curable compound is arranged in the anchor rod. A head element on which the self-tapping thread is arranged is fastened to a first end of the anchor rod. | 11-13-2014 |
| 20140363239 | ANCHOR ROD - An anchor rod is disclosed. The anchor rod includes an attachment region and an anchoring region which is insertable into a borehole and which has a profiled section. The profiled section interacts with a curable organic and/or inorganic mortar compound filled into the borehole. The profiled section includes a plurality of expansion sections disposed axially in a row which are conically shaped. For each of the plurality of expansion sections, a diameter of the expansion section increases in a direction toward a free front end of the anchor rod, a ratio of a distance of the expansion section to a mean borehole diameter is 0.40 to 0.60, a ratio of an outer diameter to a core diameter of the expansion section is 1.35 to 1.55, and a cone angle of the expansion section is 22.5° to 27.5°. | 12-11-2014 |
| 20150016894 | SETTING TOOL AND METHOD FOR INSTALLING AN ANCHOR ROD - A setting tool for inserting an anchor rod into a borehole filled with a curable mass or filled with a cartridge containing a curable mass is disclosed. The setting tool includes a housing, which has a receptacle for the anchor rod, into which the anchor rod can be inserted in the longitudinal direction and in which the anchor rod can be fixed. At least one clamping element is tilted at an angle from the longitudinal axis of the receptacle and is supported in a guide in the receptacle in such a way that the clamping element can be moved from a receiving position, in which the anchor rod can be inserted into the receptacle in the longitudinal direction, to a clamping position, in which the anchor rod is fixed in the receptacle in the circumferential direction, by rotating the housing relative to the anchor rod. | 01-15-2015 |
| 20150043976 | STRAND, CABLE BOLT AND ITS INSTALLATION | 02-12-2015 |
| 20150117962 | RESIN SYSTEM AND ROCK ANCHOR - The invention provides kit comprising a rock anchor ( | 04-30-2015 |
| 20150132068 | METHOD FOR ANCHORING A DEVICE IN MULTILAYER SOIL - A method for anchoring a device in multilayer soil includes analyzing the soil to determine the depth, hardness and density of at least two layers of soils. The anchoring device is prepared for positioning by attaching a self-drilling bit to a bottom end of a hollow rod, attaching a drilling disc to the rod at a position above the self-drilling bit, attaching at least one helical disc to the rod above the drilling disc, and attaching a positioning plate to the rod at a distance from the drilling disc such that the distance from the bottom of the drilling disc to the bottom of the positioning plate is approximately equal to the depth of a first layer of soil. The anchoring device is drilled into the soil until the drilling disc rests on top of the second layer and the positioning plate rests on top of the first layer. | 05-14-2015 |
| 20160039960 | REACTIVE RESIN COMPOSITION AND USE THEREOF - A reactive resin composition is described, comprising a resin constituent (A) comprising a free-radically polymerizable compound (a-1), a compound (a-2) which can react with an amine, and a bridging compound (a-3) having at least two reactive functionalities, one of which can be free-radically (co)polymerize and one of which can be react with an amine, and a hardener constitute (H) comprising at least one dialkyl peroxide (h-1) and at least one amine (h-2) where the resin constituent (A) and the hardener (H) or the resin constituent (A) and at least one dialkyl peroxide (h-1) and at least one amine (h-2) of the hardener (H) are spatially separated from one another, in order to prevent reaction prior to mixing of these components, which is characterized in that the hardener constituent (H) further comprises an accelerator mixture (B) consisting of a copper compound (b-1) and a 1,3-dicarbonyl compound (b-2), with the proviso that the resin composition is suitable for use for construction purposes, preferably for securing anchor thread bars, iron reinforcements, bushing or screws in boreholes in all kinds of substrata. | 02-11-2016 |
| 20160130943 | Manufacture of Cable Bolts - A cable bolt comprising a plurality of flexible steel filaments formed around a central member, the cable bolt having spaced bulbous portions along the length of the bolt each bulbous portion defining a cavity containing a segmented ring that surrounds the central member to engage the filaments of the bulbous portion. | 05-12-2016 |
| 20160177718 | MULTIPLE-POINT ANCHORED ROCK BOLT | 06-23-2016 |
| 20190145258 | Pumpable Resin System | 05-16-2019 |
| 405259600 | Breaking canister or packet | 16 |
| 20080219775 | 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 for insertion into the cylinder, a grouting material for retaining the shaft within the cylinder and stiffening the assembly, and coupling means for coupling the extremity of the cylinder to the extremity of the shaft. The cylinder has a diameter which is greater than the diameter of the hole when the cylinder is uncompressed. In this manner, the cylinder is radially compressed when inserted into the hole and thereby frictionally engages the hole. The cylinder has an extremity extending outside the hole when it is inserted therein. The shaft includes an extremity which extends outside the hole when the shaft is inserted into the cylinder in an operating position. | 09-11-2008 |
| 20090279961 | Resin Insertion Device and Methods of Inserting Resin - A resin insertion device includes a barrel, a piston within the barrel, and a triggering mechanism. The triggering mechanism includes an air outlet, an air inlet, a venturi tube and at least one trigger piston. A resin insertion device includes a barrel having a collar disposed at a first end and a piston disposed slidably within the barrel. A triggering mechanism is disposed at a second end. A first position of the trigger prevents airflow through an air inlet, a second position allows air through the inlet and an outlet, and a third position prevents airflow through the outlet. A method of inserting resin into a bore hole includes providing an insertion device including a barrel, and a triggering mechanism. The method includes depressing a trigger from a first to a second position, placing at least one resin cartridge within the barrel, and further depressing the trigger. | 11-12-2009 |
| 20090304455 | Adaptor for setting a self-drilling, chemically anchored, fastening element - An adaptor for setting a self-drilling, chemically anchorable, fastening element ( | 12-10-2009 |
| 20100074696 | APPARATUS AND METHOD FOR SECURING RESIN SET BOLTS WHEN PERFORMING ROCK BOLTIING - The resin nozzle adapted for storing resin set bolts into ceilings and walls of a mine by injecting a resin sausage into a pre-drilled bolt hole, the said nozzle including: a spring that defines a passage to which resin sausages may be passed there-through; a nozzle tip connectable to the same defined passage, said nozzle adapted to extend into a pre-drilled bolt hole; and a connector member adapted to be fastened onto the tuck bolting equipment to which the resin sausages may be ejected there-from. | 03-25-2010 |
| 20110033246 | 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 the dimple with the dimple disposed between the insert and bottom of the tube. A method for a bolt includes the steps of inserting a resin cartridge into a hole. There is the step of inserting the bolt into the hole. There is the step of placing a top end of a installation tool into a hollow tube of the bolt. There is the step of moving the tool up, which pushes the tube upwards, causing the resin cartridge to break. There is the step of rotating the top end of the tool, which causes the tube to rotate and mix the resin. There is the step of holding the top end of the installation tool inside the tube until the resin hardens and a resultant tension remains on the bolt. An installation tool. A method for forming an installation tool. | 02-10-2011 |
| 20110052332 | 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 rod. The polymer coating layer covers at least a portion of the elongated rod between the first and second ends. The elongated rod is movable relative to the polymer coating layer in an axial direction. The elongated rod has a first position where the elongated rod has a predetermined axial position relative to the polymer coating layer and a second position where the elongated rod has a displaced axial position relative to the first position. | 03-03-2011 |
| 20120155970 | 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 and second nuts are positioned on the threaded portion of the first end of the elongated body. The end fitting is positioned on the threaded portion of the first end of the elongated body between the first and second nuts. | 06-21-2012 |
| 20120155971 | Rock Bolt - A rock bolt well adapted for use in mining is provided. The rock bolt includes an anchor tube that encloses an interior space, a fixing agent arranged inside the interior space for the substance-to-substance fixation of the anchor tube to stone, a mobile piston arranged inside the interior space for transporting the fixing agent out of the anchor tube when the anchor tube is arranged in a bore hole in the stone, a piston moving mechanism, an anchor nut, and an anchor plate supported by the anchor nut for support on the stone. | 06-21-2012 |
| 20120243946 | FILLING OF PARTITIONED FILM PACKAGES FOR ANCHORING SYSTEMS FOR MINES - A method of forming a partitioned package for grouting for an anchoring system for a mine includes pumping a mastic into the package through a fill tube while a processing lubricant is separately introduced onto an inner wall of the fill tube. | 09-27-2012 |
| 20120243947 | Rock Anchor Bolt - A system and method with a self-drilling chemical rock anchor bolt, specifically for use in the mining industry and a device for moving the rock anchor bolt, said rock anchor bolt comprising an anchor tube which encloses an interior, a fixation substance arranged within the interior for bonding the anchor tube on rock, a moveable piston arranged inside the interior for moving the fixation substance outside the anchor tube if the anchor tube is arranged in a borehole inside the rock, a boring head at one back end of the anchor tube, a rinsing channel to supply rinsing fluid, in particular rinsing water to the boring head, an expression channel to supply power fluid, in particular power water to the piston, is to be able to supply both rinsing water as well as power water into an interior of the rock anchor bolt with minor technical expenses. | 09-27-2012 |
| 20120275867 | APPARATUS AND METHOD FOR ANCHOR BOLT GROUTING - A filling apparatus for a grouting system. The filling apparatus comprises a first fill tube and a second fill tube. The first fill tube is discrete from the second fill tube. The first fill tube is disposed for transporting resin mastic and the second fill tube is disposed for transporting initiator. A portion of the first fill tube has an inlet opening through which an injection quill extends interiorly and downwardly through the first fill tube. The injection quill is disposed for transporting inhibitor. This disclosure also relates to a method for adjusting gel time of a grouting system used for anchoring a reinforcing member in an opening, a grouting system for anchoring a reinforcing member in an opening, and a method for anchoring a reinforcing member in a mine. | 11-01-2012 |
| 20130004246 | ADHESIVE CONTAINING TUBULAR ROCK ANCHOR - A rock anchor includes an elongate tubular body which extends between a first end and an opposing second end and a cartridge contains a multi-component adhesive system in the tubular body. The cartridge has a rigid tubular housing within which at least one compartment is defined, and in which is contained an adhesive component of the system. The at least one compartment yields to volumetrically reduce under fluid pressure created by a fluid input into the housing, to thereby extrude the adhesive components. | 01-03-2013 |
| 20130064609 | ROCK ANCHOR - A system including a chemical rock anchor and a device for injecting a fixative, the rock anchor including an anchor tube enclosing a cavity. The device includes at least one holding chamber containing the fixative, a tube into which the at least one holding chamber is integrated, permits injection of a fixative into a space between an anchor tube and a hole that has been drilled into the rock, while requiring little technical effort and permitting a controlled process. The tube can be inserted into the cavity, and/or the tube and the anchor tube are separate parts, and/or the tube is not attached to the anchor tube, and/or the system does not include any fastening means for the bonding and/or non-positive fastening of the tube to the anchor tube. | 03-14-2013 |
| 20130294845 | DRY GROUT COMPOSITION AND CAPSULE FOR ANCHORING REINFORCING MEMBER, DOWEL OR ANCHOR ELEMENTS - A dry grout composition including a calcium aluminosulfate based hydraulic cement, a mineral filler, a thixotropic agent, and a superplasticizer agent. Also, an anchoring capsule, containing the dry grout composition, for use in anchoring reinforcing member dowel, or anchor elements in a hole of a substrate, and a method of use. | 11-07-2013 |
| 20130336726 | APPARATUS AND METHOD FOR ANCHOR BOLT GROUTING - A filling apparatus for a grouting system. The filling apparatus comprises a first fill tube and a second fill tube. The first fill tube is discrete from the second fill tube. The first fill tube is disposed for transporting resin mastic and the second fill tube is disposed for transporting initiator. A portion of the first fill tube has an inlet opening through which an injection quill extends interiorly and downwardly through the first fill tube. The injection quill is disposed for transporting inhibitor. This disclosure also relates to a method for adjusting gel time of a grouting system used for anchoring a reinforcing member in an opening, a grouting system for anchoring a reinforcing member in an opening, and a method for anchoring a reinforcing member in a mine. | 12-19-2013 |
| 20150300171 | DEVICE, METHOD AND SYSTEM FOR LOADING FIXATIVES FOR ROCK BOLTS - The present invention relates to a device, method and system for the installation of a fixative in a drill-hole, such as to secure rock bolts. The device comprises (a) a chamber adapted to hold the fixative, and (b) a thrust member, wherein the fixative is displaced from the chamber into the drill-hole following application of force to the thrust member. | 10-22-2015 |
