PNEUMATIC CONCRETE-PLACING MACHINE

FIELD: mining industry. ^ SUBSTANCE: invention can be used for delivering concrete mix at fastening mine workings to place of concreting. Proposed pneumatic concrete-placing machine consists of vessel with charging and discharge holes, car, concrete line and pneumatic system. Pipe is located on bott...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FILIPPOV P.A, GAJDIN A.P, AKHREMENKO V.S, ZALESSKAJA O.V, RUBEZHOV B.Z, BELOUSOV A.JA, GREBNEV B.I, TSINKER L.M, BORISOVA N.V, PRIB V.V
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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