Apparatus and method for supporting a mine rib
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United States of America Patent
Stats
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Feb 12, 2013
Issued Date -
N/A
app pub date -
May 10, 2010
filing date -
Sep 1, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A mine rib support for bracing a vertical mine rib disposed between a mine floor and a mine roof. The support includes an elongated upright and continuous telescopically expandable support having a preset curvature. The member is longitudinally expanded for engaging the mine floor and the mine roof under compression with the curvature facing towards the mine rib. A support plate is laterally extended from the support member into compression engagement with the mine rib, thereby prestressing the support for support of the mine rib.
First Claim
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