发明名称 Auger
摘要 An auger for use in a continuous mining operation having an elongate tubular member in communication with a fluid pressure source and a scroll mounted on the tubular member with spray mechanisms for spraying fluid into the air adjacent the peripheral edge of the scroll for preventing suspension of mined undesired contaminate particulate matter within the air adjacent to the continuous mining operation.
申请公布号 US4022286(A) 申请公布日期 1977.05.10
申请号 US19750610560 申请日期 1975.09.05
申请人 LEECO, INC. 发明人 GILL, JOSEPH ANTHONY
分类号 E21B10/44;E21B10/60;E21B12/06;E21C35/187;(IPC1-7):E21C13/04 主分类号 E21B10/44
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