Method of and apparatus for making a stream from particles of the tobacco processing industry
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United States of America Patent
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-
Sep 12, 1989
Grant Date -
N/A
app pub date -
Nov 12, 1986
filing date -
Nov 13, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The density of a stream of tobacco particles at the underside of a foraminous belt conveyor is monitored by an array of X-ray detectors to generate signals each denoting the density of a different thin layer in successive increments of the stream. Such signals are processed into signals denoting the density of the entire stream, the filling power of tobacco, and the quantity of the surplus in the stream. The processed signals are used to adjust the trimmer which removes the surplus, to adjust the distributor which feeds the particles to the stream, to regulate the hardness of cigarettes and to adjust the quantity of the surplus.
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