Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1992-08-20
1994-05-17
Yuen, Henry C.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
432148, 432151, 432171, 432188, 110224, F27B 918
Patent
active
053122461
ABSTRACT:
An apparatus for heating and conveying a granular material is disclosed, and which comprises an elongate trough, and a framework mounting a plurality of transverse blades mounted above the trough. The framework is moved along a closed path of travel so that the blades move through a forward stroke, a lifting stroke, a return stroke, and a downward stroke which returns the blades to their original position. Thus a granular material may be moved along the length of the trough in a series of sequential steps. Also, the blades are internally heated, and the bottom wall of the trough is also heated, to effect heating of the advancing granular material.
REFERENCES:
patent: 2130082 (1938-09-01), Ferry
patent: 2795056 (1957-06-01), Remer
patent: 3827549 (1974-08-01), Hunter
patent: 4325478 (1982-04-01), Richard
patent: 4504222 (1985-03-01), Christian
patent: 4993943 (1991-02-01), Norris et al.
Astec Industries Inc.
Yuen Henry C.
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