A PRESSURE INDICATING DEVICE

The 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 reaches a pred...

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Bibliographische Detailangaben
1. Verfasser:	TYRER DAVID CHARLES
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS
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Beschreibung
Zusammenfassung:	The 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 reaches a predetermined level.