Lite mine roof support crib and method
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United States of America Patent
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app pub date -
Sep 7, 2005
filing date -
Oct 10, 2001
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Abandoned
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Abstract
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 load. Each notch has at least one edge. A method of forming a mine roof support crib. A method of forming a chock for a mine roof crib to support a mine roof.
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