Tamper-resistant valve and connection arrangement
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United States of America Patent
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Nov 22, 2016
Grant Date -
Jan 29, 2015
app pub date -
Oct 13, 2014
filing date -
Apr 10, 2008
priority date (Note) -
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Abstract
A gas cylinder valve is opened by application of a pilot gas pressure. The gas cylinder valve connects with a yoke for engaging a valve assembly of a gas cylinder The yoke comprising a pilot gas passage that connects a pilot gas chamber in the cylinder valve assembly to a source of pressurized pilot gas and the cylinder gas port of the gas cylinder valve to an external cylinder gas passage. The valve and yoke enable the gas cylinder to be tamper-resistance.
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