LINER SYSTEM FOR MINES, TUNNELS AND OTHER GROUND STRUCTURES
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United States of America Patent
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Issued Date -
Dec 26, 2013
app pub date -
Mar 14, 2013
filing date -
Jun 20, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A multi-layer liner system is provided, which may be applied using a spray process, where the initial layer facilitates adhesion to the earthen surface (e.g., rock wall surface) and a subsequent layer provides strength and elongation needed to maintain support system integrity even in the case of some rock movement at the wall surface. In one implementation, the initial layer is a structural foam primer layer and the subsequent layer is a fire-resistant top coat layer.
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