Reinforced mine ventilation device
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United States of America Patent
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Jul 17, 2012
Grant Date -
Jan 28, 2010
app pub date -
Jul 17, 2009
filing date -
Jul 28, 2008
priority date (Note) -
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Abstract
A mine ventilation and bridge structure incorporating a bridge feature enabling a mine vehicle to cross over the structure. The structure comprises a pair of generally parallel and spaced-apart side walls defining opposing side walls and a plurality of elongate deck panels extending between the side walls. At least one deck panel of the plurality of deck panels is a reinforced bridge deck panel constructed to support the weight of a vehicle crossing over the mine ventilation and bridge structure.
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