Conveyors: power-driven – Conveyor section – Screw
Patent
1976-04-23
1978-02-21
Stoner, Jr., Bruce H.
Conveyors: power-driven
Conveyor section
Screw
198548, 100145, 425208, 366 80, 366 89, B65G 3314
Patent
active
040748030
ABSTRACT:
An improved screw feeder such as may be used for conveying ligno-cellulosic materials such as wood chips, shavings, sawdust and the like to pulping apparatus includes a plurality of stopper bars positioned symmetrically about the inner periphery of the screw feeder throat inlet. The stopper bars are narrow, elongate wedge-shaped and extend from the greater diameter flare bore of the conical throat to the lesser diameter taper bore. The stopper bars prevent material from rotating with the screw rather than advancing longitudinally through the throat and thus decrease plugging and clogging problems so that a higher pulping capacity due to improved feed is obtained.
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American Defibrator, Inc.
Munson Eric Y.
Stoner Jr. Bruce H.
Thomson Richard K.
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