Pumpable crib bag assembly and method of installation
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United States of America Patent
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Aug 21, 2012
Issued Date -
N/A
app pub date -
Feb 28, 2011
filing date -
Jul 9, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pumpable inflatable crib bag assembly for supporting a mine roof which includes a generally cylindrical bag having top and bottom ends for retaining and confining a liquid settable grout to be pumped into the bag. The bag further includes an inner generally cylindrical mesh reinforcement disposed within and generally coextending with the bag. This generally cylindrical mesh reinforcement is spaced from an inner wall of the bag and is permeable to the liquid settable grout whereby the liquid settable grout may be pumped through a fill port into the bag to thereby fill the bag and encapsulate the mesh reinforcement. The liquid settable grout is pumped through a fill port which is adjacent the top end of the bag.
First Claim
Family
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Cited Art Landscape
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