Hydraulic or pneumatic safety device for fluid handling apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 27, 2003
Grant Date -
Jan 24, 2002
app pub date -
Jul 19, 2001
filing date -
Jul 21, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pressure vessel in accordance with the present invention comprises a cover, movable between an open position and a closed position, and a clamp for releasably clamping the cover in its closed position. The clamp includes a handle for manually operating the clamp. The handle is movable between a first position, in which the clamp releasably holds the cover in its closed position, and a second position, in which the cover is free to be moved to its open position. The pressure vessel further comprises locking means, including a latch pin for releasably locking the handle in its first position upon actuation of the latch pin, and actuating means, including a flexible diaphragm which is responsive to an increase in pressure within the pressure vessel, for actuating the latch pin when the pressure within the vessel has reached a predetermined level.
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