TENSIONABLE ELONGATED BOLT DISPOSED WITH A SLEEVE AND METHOD OF USE THEREOF
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United States of America Patent
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Issued Date -
Oct 16, 2014
app pub date -
Apr 3, 2014
filing date -
Apr 12, 2013
priority date (Note) -
Abandoned
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Abstract
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.
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