Class 405/302.3 - Mesh support

Subclass of Class 405 - Hydraulic and earth engineering
Definition: Subject matter comprising a web of interlocked or intertwined
No. of patents: 24
Last issue date: 03/20/2012

Number	Title	Issue Date
8137033	Mesh handling system for an underground mining machine and related methods A system for handling a roll of mesh for application to one or more faces of an underground mine passage includes a dispenser for supporting the roll of mesh for application to at least one face of the mine passage, as well as at least one arm for supporting the mes...	03/20/2012
7794181	Mine roof and rib support device A mine roof and rib support can be a support member having a roof support arm and a rib support arm, wherein the roof support arm is provided at an angle to the rib support arm. An aperture for a roof bolt is provided through the support member adjacent an intersect...	09/14/2010
7393060	Grid of synthetic material The invention relates to a grid of synthetic material with two groups of parallel, load-bearing strands, wherein the strands of the first group extend in the longitudinal direction of the grid and the strands of the second group extend transversely to the longitudin...	07/01/2008
6004077	System for securement of a mesh screening means and method of installation A system for securement of a mesh screen on the protruding, threaded end of a rock bolt inserted into a rock face comprising a push-on gripper plate, having a generally planar base portion adapted to overlie the mesh screen, and an installation tool. The ...	12/21/1999
5827014	Friction rock stabilizer This invention relates to a friction rock stabilizer which includes an elongated tendon tube which is reduced in cross-sectional dimension over a portion of its length towards one end of the tube, a slot which extends over at least the unreduced length of...	10/27/1998
5816750	Automatic grid layout system A grid layout system including a grid dispenser mounted on a boom of a continuous miner for movement with a cutting drum to cut a passageway in a rock face. A roll of grid material, such as integral biaxially oriented geogrid, is fed from the dispenser an...	10/06/1998
5753337	Plastic net structures and the plastic net structures formed thereby A method of making a biplanar net structure usable to provide reinforcement in civil engineering and/or landfill applications by extruding first and second linear arrays of plastic filaments into first and second sets of spaced-apart grooves provided in a...	05/19/1998
5277520	Grid composite for backfill barriers and waste applications A grid composite for protecting men and longwall mining equipment during longwall shield recovery includes a regular polymer geogrid structure formed by biaxially drawing a continuous sheet of select polypropylene material which is heat bonded to a polyes...	01/11/1994
5199825	Grid composite for longwall shield recovery in underground coal and trona mines A grid composite for protecting men and longwall mining equipment during longwall shield recovery includes a regular polymer geogrid structure formed by biaxially drawing a continuous sheet of select polypropylene material which is heat bonded to a polyes...	04/06/1993
4740111	Friction washer for securing a wire mesh screening onto the protruding end of rock bolts A friction washer for securing a wire mesh screening on the protruding end of rock bolts inserted into the wall of a mine is disclosed. The friction washer has a central opening with teeth set into the inside diameter thereof and adapted to engage the end...	04/26/1988
4699547	Mine truss structures and method A method of essentially maintaining the integrity of mine floors and precluding floor heave, this without the necessity of incorporating timber cribs, jacks and so forth, as utilized in the prior art. Floor integrity is maintained with a minimum of obstru...	10/13/1987
4666344	Truss systems and components thereof Truss systems and components thereof for use in connection with supporting rock formations in underground mines, caverns, storage vaults, and so forth. Multiple types of truss brackets of unique design are incorporated in the various systems which also in...	05/19/1987
4632605	Method and apparatus for reinforcing and consolidating earth structures A reinforcing and or confining structure for an earth formation comprising a plurality of anchor members anchored at spaced intervals in an earth formation, the anchor members being connected to the adjacent anchor members by tensile members to form a sub...	12/30/1986
4413928	Reinforcing and confining earth formation Reinforcing and confining an earth formation is effected by restraining units having retaining limbs for insertion into prepared holes in the formation and transverse portions for lying against the formation. The retaining limbs are inserted into the prep...	11/08/1983
4379660	Method of and apparatus for applying mat to the roof of a mine working A method of and apparatus for applying a succession of strips of mat to the roof of an underground mine working wherein the strips are applied by an applicator means mounted on a mining machine or other transporter means, and the lateral position of the a...	04/12/1983
4358159	Apparatus for supporting the roof of an underground mine working Apparatus for use in supporting the roof of an underground mine working over a zone exposed by the passage of a mining machine along an upwardly extending face of the working and by which a flexible mat is applied to the roof which has been newly exposed,...	11/09/1982
4251168	Fastening means for roof mats for mine workings Fastening means for mechanically fastening adjacent portions of mat material for application to the undersurface of a roof of a mine working and comprising a plurality of projecting elements for penetrating the mat material and base means connecting and s...	02/17/1981
4245926	Welded grid, primarily for securing underground cavities, cavity systems, as well as process for making the grid Welded grid structure for securing underground cavities such as mine roads, consisting of two sets or grid systems of parallel straight bars disposed in parallel planes and connected by welding to a third set of bars that extend perpendicular to the first...	01/20/1981
4230371	Equipment for laying a layer of elongate material Equipment for laying a layer of elongate material adjacent to a newly exposed rock or mineral surface formed by a mining machine cutter as the machine traverses along the working face, a loading member for cut rock or mineral being positioned adjacent to ...	10/28/1980
4230370	Equipment for laying elongate material Equipment for laying a layer of elongate material adjacent to a newly exposed rock or mineral surface in an underground mine which is formed by a mining machine cutter as the machine traverses along a working face comprising a support bracket secured to t...	10/28/1980
4229043	Cowl arrangements for mining machines A roll of wire mesh is supported on the rear of a cut mineral loading cowl of a rock or mineral winning machine. As the machine traverses along a path cut by the machine the wire mesh is paid out to retain or contain the roof material....	10/21/1980
4122682	Methods of and apparatus for applying roof mats to mine workings A method of applying a protective wire mesh mat to the undersurface of the roof of an underground mine working and apparatus for applying such mat wherein a coil of the mat is carried on a supporting spindle and is paid out against the undersurface of the...	10/31/1978
4099785	Method and apparatus for supporting the roof of an underground mine working The roof of an underground mine working which is newly exposed by a mining machine passing along a face of the working is supported by applying a flexible mat to the roof and underpinning the mat by self-advancing roof supports. A supply of mat is stored ...	07/11/1978
4003208	Assembly for preventing the fall of dust and debris in a mine An assembly for preventing the falling of dust and debris from the roof and from the break of a mine, particularly a coal mine. The assembly comprises a shield support structure having roof bars and a roof covering disposed between the roof of the mine an...	01/18/1977

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Class 405/302.3 - Mesh support