Vacuum transfer system and method for food grade product
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United States of America Patent
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Issued Date -
Jun 9, 2005
app pub date -
Jan 19, 2005
filing date -
Aug 2, 1995
priority date (Note) -
Abandoned
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Abstract
A vacuum transfer system for transferring food grade products. A biased ball in a cage with a substantially uninterrupted cage wall is utilized as a check valve. The ball may be biased by a weight to float in a predictable orientation relative to the cage. The biased ball assures that a certain portion of the ball will consistently engage with and aperture. The biased ball also minimizes chattering of the ball in the cage under high flow conditions.
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