Blending apparatus
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United States of America Patent
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Dec 5, 2000
Grant Date -
N/A
app pub date -
Sep 11, 1996
filing date -
Sep 11, 1995
priority date (Note) -
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Abstract
A blending apparatus has a primary additive feed hopper and secondary additive feed hoppers suspended from load cells on a support frame. Additive materials are delivered from the hoppers to a discharge chute for delivery to a material processing device such as a plastics extrusion device. A controller associated with the blending apparatus monitors the throughput of process material in the extrusion device and the discharge rate of additives from the hoppers and controls the process material throughput for controlling blending of the feed additives with the process material.
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