Matches 1 - 46 out of 46


Match Document Document Title
US20100310325 Truss Shoe with Wedge Retaining Sleeve  
A truss shoe for a roof support system includes a bolt receiving section, an intermediate section, and a cable engaging section. The cable receiving section has a passageway having a first open...
US20120263546 PEDESTAL SUPPORT FOR MINE PROP  
A pedestal support for a mine prop. The pedestal support includes a collar to dispose a mine prop at least partially therein and a yielding member extending from the collar. The yielding member...
US20120034037 Curved Mine Roof and Rib Support  
A mine roof and rib support includes a curved support member comprising a roof support arm and a rib support arm with a curved junction portion between the roof support arm and the rib support arm...
US20150043978 ROOF BOLTER  
A bolter (10) intended to receive a drill bit for the purposes of drilling a hole in a surrounding rock structure. The bolter (10) includes a telescopic leg (12) extending from a base (11). The...
US20110262231 Pumpable Support with Cladding  
A support for use in mines and other underground workings is provided comprising a flexible inflatable bag configured for receiving a pumpable load-bearing material. A reinforcing material is...
US20110164929 Lite mine roof support crib and method  
A mine roof support crib. The crib includes a plurality of chocks that are connected together through notches in the chocks to form at least three planes and able to support at least five tons of...
US20150147122 Yieldable Prop with Yieldable Insert  
A mine prop includes a first pipe having a first end and a second end, a second pipe having a first end and a second end, and a yield member secured to the second pipe. The second pipe is slidably...
US20130051931 IMPACT RESISTANT CAMBERED LAGGING ELEMENT  
The present invention provides cambered impact resistant lagging roof panels for an arch support assembly which is designed for withstanding the effects of rock bursts in an underground mine. The...
US20130183105 Truss Shoe For Use With A Threaded Rod  
A truss shoe for a roof support system includes a bolt receiving section, an intermediate section, and a housing having a threaded rod engaging section. The threaded rod engaging section has a...
US20150204192 MINE ROOF SUPPORT  
A yielding mine roof support is provided which is made in the form of a hollow tube made from an epoxy, phenolic, or polyester fibreglass composite.
US20110250024 Mine Roof and Rib Support with Vertical Bolt  
A mine roof and rib support device comprising a support member, a roof support arm, a rib support arm, a bearing plate and a mine roof bolt. The roof support arm is provided at an angle to the rib...
US20120230775 SHIELD CANOPY FOR A SHIELD-TYPE SUPPORT  
A shield canopy for a shield-type support for underground mining having a canopy plate and a supporting structure being welded on below the canopy plate and having a plurality of longitudinal...
US20070092344 Mine support  
A mine support having a ductile metal sleeve, an interior of which is filled with a first aerated cementitious material of a first density which extends over at least 60% of the axial length of...
US20130129426 GROUT PACK RESTRAINING ENVELOPE  
A grout pack [1] restraining envelope is provided which includes a plurality of restraining rings [7, 8] shaped to extend circumferentially around a grout bag [2] in a vertically spaced...
US20060002770 Lite mine roof support crib and method  
A mine roof support crib. The crib includes a plurality of chocks that are connected together through notches in the chocks to form at least three planes and able to support at least five tons of...
US20130236252 DOME HEADED ROOF BOLT  
A method for attaching a plate to an interior of an underground excavation, the method comprising: placing a first surface of the plate adjacent to the interior of the excavation, the plate having...
US20150211367 DRILL AND BLAST METHOD AND APPARATUS FOR THE SAME  
Disclosed is a drill and blast method for advancing the tunnel face in a mine, which makes use of a mobile canopy. The mobile canopy having vertical supports connected to a frame that supports a...
US20080298903 Reinforcement Liner Installation Mold For The Corrugated Steel Plate Structure  
The present invention relates to a reinforcement liner installation mold for a corrugated steel plate structure. The reinforcement liner installation mold for the corrugated steel plate structure...
US20120163926 GOB SHIELD FOR SHIELD SUPPORT AND METHOD FOR THE PRODUCTION THEREOF  
A gob shield for a shield support and a method for producing such a gob shield. The gob shield having a cover plate, two cap connecting joints for connecting the gob shield to a roof cap, and side...
US20090226264 Grout Pack Restraining System  
The invention provides a grout pack restraining system, comprising a plurality of elongate elements shaped to extend about a grout pack and which are characterized in that they are configured to...
US20130136545 Nested Mine Roof Supports  
This invention is directed to a mine roof support set including a plurality of nested containers. Each container in the set has a progressively smaller cross-sectional dimension to allow the...
US20070264090 Roof Truss Shoe Having Wedge Retention Device and Method of Using the Same  
A truss shoe for a mine roof truss comprises a base having a pair of ends, a curved side extending between the ends, a top side, and a bearing surface. The shoe includes an angled stanchion having...
US20100266349 Impact Resistant Lagging, Method For Designing Impact Resistant Lagging, and Apparatus for Testing Impact Resistant Lagging  
A steel set assembly includes a first pair of legs and a second pair of legs with the first pair of legs being spaced from and positioned opposite the second pair of legs. First and second beams...
US20120282041 Yieldable cambered arch support assembly  
An arch support assembly for withstanding the effects of rock burst in underground mines, which includes a spaced aligned series of arch supports, each support having a spaced pair of upright side...
US20140348596 NESTED MINE ROOF SUPPORTS  
This invention is directed to a means for transporting a mine roof support set including a plurality of nested containers. Each container in the set has a progressively smaller cross-sectional...
US20100284752 GROUT PACK ASSEMBLY  
The invention provides a grout pack assembly having a plurality of elongate elements shaped to extend about a grout pack and which are characterized in that they are configured to control...
US20150226248 Torque Tension Breakaway Nut  
The present invention regards a nut assembly including a novel breakaway nut, as part of a roof bolt assembly, for use in underground mines to support mine roofs. The present invention further...
US20100221073 Engineered composite wooden crib for use as a mine support  
This invention provides improvements through 1) a composite, engineered wooden support element for construction of cribs in mines to provide support between two surfaces, 2) use of support...
US20100196103 STACKABLE MINE ROCK SHIELDS  
Disclosed is a stackable mine rock shield. The mine rock shield includes a body having a first surface and a second surface, an aperture positioned at about the center of the body for receiving a...
US20080240868 Mine support having a linearly moveable and/or pivoting end plate  
A mine support yieldable prop includes a threaded shaft rotatably mounted in an end of the prop to move into and out of the prop end to move a bearing plate toward or away from a mine roof, and/or...
US20050134104 Coated mining bolt  
A mine support includes an elongate metal member and a coating comprising post-consumer recycled thermoplastic disposed on the member. The thermoplastic may include post-consumer recycled...
US20090035072 SHIELD SUPPORT  
A shield support for underground mining has a slider and a roof bar between which a ram is arranged, with an inclination detector being provided with which the inclination of the roof bar can be...
US20070267559 Free Standing Support  
A load support includes an outer tube and a plunger at least partially slidably disposed within the outer tube. Gravity-set wedging members are disposed between an outer surface of the plunger and...
US20130121774 Crib Bag  
A crib bag is disclosed that includes a one-way fill valve, such as a duck bill valve, and a vent positioned at the top of the crib bag to allow venting of air from the crib bag when the bag is...
US20140133923 Mine Roof Support Member and Method for Constructing Improved Mine Roof Support Columns  
A support member (100) and method for constructing an improved mine roof support column (200), the support member (100) comprising a pair of bearing members (10) held in spaced apart relationship...
US20110097158 SHIELD SUPPORT ASSEMBLY FOR UNDERGROUND MINING AND SUPPORTING SURFACE ELEMENT THEREFOR  
A shield support assembly for underground mining includes a shield canopy and at least one floor runner as supporting surface elements. The shield canopy and at least one runner are connected in...
US20090003940 System And Method For Mine Roof Counter Bore And Cable Bolt Head Securement Therein  
A mine roof support includes a plate having a raised portion with an opening, and a mine and roof bolt, e.g. a barrel having a drive end and an opposite second end, and wedge assembly. The plate...
US20090180840 Dome headed roof bolt  
A new bolt head design is disclosed and claimed. The bolt head has a radius between the shaft and the first side of a washer which spreads the shaft load more evenly to the washer. A concave dome...
US20130336727 YIELDABLE MINE ROOF SUPPORT  
A mine roof support includes a rigid body having a first end and a second end and defining an interior space, a cementitious material positioned within the interior space of the body and a...
US20130236250 Fiberglass Roof and Rib Plate  
A bearing plate and a nut and bolt arrangement for use as a rib or roof support for coal mines where the extracted coal is used for powder coal and has a specific gravity in the range of 1.5-1.9,...
US20150086280 ROOF SUPPORT SHEET HANDLING FOR UNDERGROUND MINES  
Systems for installing roof support sheets on a mine roof. One system includes a support frame, a lifting system, and a feeding system. The support frame holds a plurality of roof support sheets....
US20130017022 UNDERGROUND MINING RIB SUPPORT SYSTEM AND METHOD  
A rib support system, a rib support device, a rib support method, a method for manufacturing a rib support device, and a computer readable medium are provided as described herein. The rib support...
US20170159433 VENTILATED MINE ROOF SUPPORT  
A longitudinally yieldable support for underground roof support includes first and second outer shell portions having a first wall thickness and a third outer shell portion having a second wall...
US20160237819 Rib Strap  
A mine rib support includes first and second elongate members each having a first end and a second end, a center plate having a body defining a first opening that receives the first elongate...
US20160061032 VENTILATED MINE ROOF SUPPORT  
A longitudinally yieldable support for underground roof support includes an elongate outer shell filled with a solid compressible filler material. At least one air ventilation tube extends between...
US20150308269 Mine roof bolt system  
This new system can utilize a threaded bolt head on one end of a roof bolt and an anchoring device on the other end of the bolt. The roof bolt is designed in such a manner to allow the bolt head...

Matches 1 - 46 out of 46