TAIL SEAL OF SHIELD EXCAVATOR

PURPOSE:To improve a sealing function and prevent members from damages by forming the front end of the outer side protective plate circumscribing a segment into a recessed arcuate shape and the front end of the inner side protective plate inscribing the segment into a projecting arcuate shape to pro...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TSUCHIYA KIYOSHI, YAMAZAKI HIDETSUGU
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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