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.
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
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