Method for supplying inert gas into poppet valve intermediate and apparatus for supplying inert gas into poppet valve intermediate
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United States of America Patent
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Dec 12, 2017
Grant Date -
Sep 28, 2017
app pub date -
Oct 28, 2015
filing date -
Oct 28, 2015
priority date (Note) -
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Abstract
A method and an apparatus for supplying inert gas into a poppet valve intermediate are provided that are capable of properly filling the inert gas without waste into the poppet valve intermediate of any size. After a negative pressure is achieved by suction in an internal space (Win) of a poppet valve intermediate (W) as compared to an ambient pressure (Pa) of the poppet valve intermediate (W), the inert gas is supplied into the internal space (Win) until a pressure (F) of the internal space (Win) reaches the ambient pressure (Ps) of the poppet valve intermediate (W).
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