发明名称 |
Reinforced Mine Ventilation Device |
摘要 |
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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申请公布号 |
US2010017975(A1) |
申请公布日期 |
2010.01.28 |
申请号 |
US20090504849 |
申请日期 |
2009.07.17 |
申请人 |
KENNEDY METAL PRODUCTS & BUILDINGS, INC. |
发明人 |
KENNEDY WILLIAM R.;KENNEDY JOHN M. |
分类号 |
E01D6/00 |
主分类号 |
E01D6/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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