Method and apparatus for separating tobacco mixture into lighter and heavier fractions
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United States of America Patent
Stats
-
Oct 9, 1984
Grant Date -
N/A
app pub date -
Oct 16, 1981
filing date -
Oct 16, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tobacco leaf mixture containing lighter and heavier fractions is fed into one side of a housing while an airstream flow is introduced at the other side of the housing and in an upwardly directed flow course so as to cause it to entrain the lighter fraction of the mixture therein, with the heavier fraction falling to the bottom of the housing. A suction lift is maintained at the top of the housing to increase the velocity of the lighter fraction containing air flow outwardly from the housing. The lighter fraction containing air flow is then delivered to a separator unit to recover the lighter fraction. The lighter fraction can, for example, be the laminae material from which shredded cigarette tobacco filler is made.
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