POINT ANCHOR COATED MINE ROOF BOLT

POINT ANCHOR COATED MINE ROOF BOLT

Disclosed is a mine roof bolt comprising: an elongated rod having a first end and a second end; and a segmented resin compression layer covering at least a portion of said elongated rod between said first end and said second 5 end. The segmented layer comprises a plurality of tapered segments, each...

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Bibliographische Detailangaben
Hauptverfasser: STANKUS, JOHN C, SIMMONS, WALTER J, SIMMONS, W. NEAL, OLDSEN, JOHN G
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Beschreibung
Zusammenfassung:Disclosed is a mine roof bolt comprising: an elongated rod having a first end and a second end; and a segmented resin compression layer covering at least a portion of said elongated rod between said first end and said second 5 end. The segmented layer comprises a plurality of tapered segments, each segment having a first portion that is thicker than a second portion such that each segment tapers only in the direction of said second end. The first end does not incorporate an expansion assembly positioned on a thread formed on said first end. 5576662_1 (GHMatters) P58549.AU.2 ANNIES