Roller type sealing device and sealing method for goaf filling

The invention discloses a roller type sealing device and sealing method for goaf filling. The roller type sealing device comprises a columnar elastic cylinder and a supporting mechanism, wherein the cylinder comprises a middle filling cavity and end sealing bodies connected to the two ends of the fi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JIA LILONG, WANG HAIJUN, ZHANG QUN, ZHAO LONG, FAN YAO, PANG TAO, SHU JIANSHENG, JIANG ZAIBING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING MINING OR QUARRYING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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