Harper International Corporation

Peter R Witting

William J Stry

Carl H Vander Weide

Jeffrey E Purdy

Jason A Ginn

A rotary tube furnace () comprising an insulated heating chamber (), the insulated heating chamber having a product discharge outlet () and a process tube inlet (), a heating element () operatively arranged to selectively heat the heating chamber, a generally horizontally extending process tube () supported for rotation relative to the heating chamber, the process tube having a first portion () generally arranged outside of the heating chamber and a cantilevered second portion () extending from the first portion into the heating chamber and terminating at a discharge end () within the heating chamber, a feed mechanism () configured and arranged to feed product into the process tube, and a bearing assembly operating between a support frame () and the first portion of the process tube and configured and arranged to support the process tube and transmit rotational torque to the process tube.

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West Seneca, NY, United States of America

Peter R Witting