Method of filling a bourdon tube with a gel substance
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United States of America Patent
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Jan 2, 1996
Grant Date -
N/A
app pub date -
Jan 24, 1994
filing date -
Jan 24, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of completely filling an the interior cavity of a bourdon tube in a pressure gauge with a gelatinous substance ,comprising the steps of: a) evacuating the interior cavity of the bourdon tube to a vacuum level not greater than 50 millitorr; b) depositing a predetermined amount of a gelatinous substance in the interior cavity; and c) venting the interior cavity to remove the vacuum level, whereby increasing air pressure forces the deposited gelatinous substance to completely fill the interior cavity.
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