Internal -thread sleeve pipe screw thread belt cleaning device

The utility model relates to a sleeve pipe belt cleaning device technical field specifically is an internal -thread sleeve pipe screw thread belt cleaning device, including crank, rocking arm and centralizer, the rocking arm includes first horizon bar, vertical pole and second horizon bar, and the c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FU TANGBING, HAO JUNXIANG, ZHENG JUNHUI, LIU JUN, LYU JIANBIN, ZHANG PING, GUO WENLU, PENG XIONGTAO, YANG TAO, GAO YONGJIE, PAN PENGFEI, LIU GUANGHUI
Format:	Patent
Sprache:	chi ; 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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