UNDERWATER EXCAVATOR FOR CAISSON

PURPOSE: To promote automation of work by providing plural rails disposed on the inner periphery of a caisson, an upper clamp and a lower clamp, a traverse link, a traverse jack, a clamp jack, a cutting jack and the like. CONSTITUTION: Clamp jacks 10 of equalizers 11A, 11B are driven to be elongated...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MATSUDA TSUNEHISA, YANAGIHARA KAIJI
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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