HYDRAULIC VALVE FOR HYDRAULICALLY INFLATED SUPPORT

The present invention provides an indicator mechanism for a hydraulic valve of a hydraulically inflated device which includes a body which has a bore through which a fluid flows from a source to an interior of the device and which is configured to deform, when a fluid pressure from the source reache...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	TYRER David, Charles
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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