Orientated dust emission and depositing cover for high air pressure down-the-hole drill

The utility model discloses an orientated dust emission and depositing cover for a high air pressure down-the-hole drill. The orientated dust emission and depositing cover comprises a dust depositing cover, a filter screen and an orientated dust emission plate, wherein the dust depositing cover comp...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG LAIHUA, XU BANGSHU, ZHAO XIANGPING, WANG ZHECHAO, XIA PENG, CHEN CHENG, ZHANG MINGWEI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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