DISCHARGE METHOD OF DIGGED EARTH AND SAND, AND DISCHARGE DEVICE

PROBLEM TO BE SOLVED: To eliminate the work interruption due to a receiver tank which is full by suctioning digged earth and sand into the receiver tank of a vacuum car and recovering supernatant liquid in the receiver tank into a closed tank at a low position. SOLUTION: A leading pipe 2 advances in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MIZUTANI TOSHIYUKI, SUGIHIRA TSUNEO
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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