SEAL DEVICE FOR INTERMEDIATE FOLD PART OF SHIELD EXCAVATOR

PURPOSE:To prevent a seal from projecting from a seal holder inside of a curve of an excavating line in a seal device for an intermediate fold part of a shield excavator, and to maintain the water tight function. CONSTITUTION:A lump-like resilient member 3 is charged in a space surrounded by a worki...

Ausführliche Beschreibung

Bibliographische Detailangaben

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