Method and apparatus for treating particulate material
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United States of America Patent
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-
Mar 15, 1988
Grant Date -
N/A
app pub date -
Nov 28, 1986
filing date -
Nov 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved method and apparatus for treating particulate material with a liquid additive in a rotatable cylinder involves the use of a pressurized fluid such as steam directed obliquely against the inner wall of the cylinder to effect a cleaning action on the inner wall as the cylinder is rotated and to augment agitation action produced by the rotational movement of the cylinder and gravitational forces acting on the particulate material. Strategically located spray nozzles apply controlled amounts of liquid additive to the particulate material as it is undergoing agitation by the combined effects of the applied forces. The method and apparatus disclosed are particularly suited to the treatment of tobacco with casing materials.
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