Vacuum fill system
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United States of America Patent
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Aug 10, 1993
Issued Date -
N/A
app pub date -
Apr 28, 1992
filing date -
Sep 15, 1989
priority date (Note) -
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Abstract
A vacuum fill system for deaerating flowable materials includes a hollow, cylindrical container connected to a plurality of valves, slide gate valves and a vacuum pump for creating a vacuum when filled with flowable materials that causes the flowable materials to deaerate and subsequently compact when atmospheric pressure is restored.
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