发明名称 Method for drilling in rock
摘要 Flushing air to which fluid and/or foam is added is fed downwards into the drill hole (7) in order to transport away drilling waste. The drilling waste is separated from the flushing air and deposited on the ground surface. Then, further fluid and/or foam is fed to the drill waste in order to bind the dust.
申请公布号 SE517640(C2) 申请公布日期 2002.07.02
申请号 SE19970003177 申请日期 1997.09.04
申请人 ATLAS COPCO ROCK DRILLS AB 发明人 ATTILIO *INNOCENTE
分类号 E21B;E21B21/00;(IPC1-7):E21B21/00;E21C7/06 主分类号 E21B
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