Method and apparatus for mixing loose material
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United States of America Patent
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-
Mar 25, 1980
Grant Date -
N/A
app pub date -
Sep 22, 1978
filing date -
Sep 23, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Material to be mixed is fed into the upper portion of a container from where the material descends by means of the force of gravity. The container is provided with a partition extending across the interior of the container and operative to divide the descending material into two separated substreams. The container is further provided with two outlets which are adjustable so as to separately control the respective speeds of descent of the material of the two substreams in the container. The material which is withdrawn at the lower portion of the container is returned back to the upper portion of the container for further mixing. Because of the two substreams in the container, the relative elevations of arbitrarily selected samples, located in respective ones of the substreams, changes during material descent, thereby improving mixing action.
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