Pressure indicator
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United States of America Patent
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Oct 5, 2004
Grant Date -
Dec 11, 2003
app pub date -
Feb 7, 2003
filing date -
Feb 8, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Pressure is measured inside of a high pressure vehicle. A substance is compressed at a first pressure to create a preform having a first density. The preform is placed inside of a high pressure vessel and subjected to a second pressure, greater than the first pressure. The preform therefore changes in density to a second density, greater than the first density, whereby the second pressure can be determined. The method may also be used in determining the pressure inside of a food product during food processing and a high pressure vessel.
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