Automatic weighing system with density ratio control of volume
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United States of America Patent
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Jan 26, 1988
Grant Date -
N/A
app pub date -
Mar 16, 1987
filing date -
May 2, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automatic weighing system for delivering quantities of product measured by weight, each quantity having a weight equal or approximate to a predetermined target weight, in such manner that the volume of each quantity falls always within a predetermined allowable range even when the product to be weighed has a substantial variance in its apparent density or specific gravity. The system includes means for measuring the apparent density and means for controlling the target weight in accordance with the measured value of apparent density.
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