Blanking plug

The utility model discloses a blanking plug which comprises a shell, a sliding sleeve, elastic pieces, a first eyelet and a second eyelet. The shell is provided with an inner cavity. The sliding sleeve can be slidably contained in the shell, the outer wall of the sliding sleeve can be matched with t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZOU HONGLAN, KANG JIANLI
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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