Pressure vessel safety lock apparatus
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United States of America Patent
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Mar 24, 2015
Issued Date -
N/A
app pub date -
Aug 30, 2012
filing date -
Sep 8, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure provides a locking device for restricting access to a hatch of a pressure vessel, and, more specifically, a locking device that is responsive to the internal pressure in the pressure vessel so as to minimize the ability of one to open the hatch while the vessel is still pressurized. In some embodiments, the locking device comprises first and second portions of the locking device configurable between an open and a closed configuration and a pressure-responsive locking member in fluid communication with an outlet port of the pressure vessel and arranged to automatically retain the first and second portions in the closed configuration when the pressure inside of the pressure vessel is above a predetermined threshold, wherein in the closed configuration the first and second portions restrict manipulation of the hatch and/or a locking mechanism of the hatch.
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