Hopper blender system and method for coating fibers
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United States of America Patent
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-
Dec 10, 1996
Issued Date -
N/A
app pub date -
Mar 2, 1994
filing date -
Dec 17, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for coating discontinuous fibers with a liquid coating material uses a hopper/blender which entrains the fiber particles in a toroidal mass of moving fibers. The hopper/blender has an inverted conical section with an agitator assembly rotated therein. The agitator assembly has a base disc with tubular blades projecting outwardly therefrom into the conical section. Aft swept lifter blades relative to the direction of rotation are mounted to the agitator disc. A method of applying a liquid coating material to discontinuous fibers is also disclosed.
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Cited Art Landscape
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