Packing box

The utility model discloses a packing box belongs to the oilfield machine field. This packing box includes: press cap, gland, packing box body, the packing box body is provided with the cavity that isused for holding packing and polished rod, and gland detachably stretches into packing box, and this...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DONG YI, LAI WENYAN, ZHOU RUI, SHI WENSONG, TANG YONGHUI, ZHOU JING, YUAN XIANGMING, LI XIONG, WEN WEI, YANG YANHUA
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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