发明名称 Method of collecting dust during rock drilling and a dust collecting suction system for a rock drilling apparatus
摘要 In a dust collecting suction system for a rock drilling apparatus, the air rushing out of the borehole is collected in a hood and sucked through a coarse dust separator and a filter unit. The coarse dust from the separator is cleaned by an air currrent to remove remaining fine particles and then it is dumped on the ground whereas the finer dust from the filter unit is collected in plastic bags.
申请公布号 US4223748(A) 申请公布日期 1980.09.23
申请号 US19780965747 申请日期 1978.12.04
申请人 ATLAS COPCO AKTIEBOLAG 发明人 BARENDSEN, PIETER
分类号 B07B7/02;E21B21/07;(IPC1-7):C09K7/00 主分类号 B07B7/02
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