MINE SEAL WITH ELECTRICALLY NON-CONDUCTIVE TIES
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United States of America Patent
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Issued Date -
Sep 26, 2013
app pub date -
May 20, 2013
filing date -
May 12, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention is directed to an electrically non-conductive tie for use in a mine seal having opposing walls defining a space for receiving filler material. The tie has opposite ends, a length and a width and is made at least in part from an electrically non-conductive material which extends across substantially the entire width of the tie for preventing conduction of electrical current from one end of the tie to the other. Openings are provided adjacent opposite ends of the tie for receiving wall supports for the mine seal.
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