Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1981-11-27
1983-11-22
Camby, John J.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
34164, 219378, 414209, 414210, 414216, F27B 914
Patent
active
044166249
ABSTRACT:
A vertical tunnel kiln (10) comprising a firing kiln (30) having a interior core (42) supporting a spiral chute (46) attached to the periphery of the core (42). A vibratory bowl feeder (20) automatically feeds parts (100) individually to the upper end (24) of the spiral chute (46), and the parts (100) progress down the chute by means of vibrations imparted to the interior core (42) and chute (46) by a vibratory mechanism (40) attached to the annular base (47). Heating elements (38) and (70) are disposed exteriorly and interiorly, respectively, about the interior core (42) to produce a temperature gradient. As the parts (100) advance along chute 46, resistive materials on the parts (100) are heated in the preheat section (54) to remove volatile organic materials, fired in the intermediate portion (55) of the firing kiln (30), and then cooled in the cooling portion (56). The parts (100) are removed individually by an escapement mechanism (80) attached to the lower end of the spiral chute (46).
REFERENCES:
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patent: 3469831 (1969-09-01), Beavers
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patent: 3890011 (1965-06-01), Futer
patent: 4237622 (1980-12-01), Francis
Camby John J.
CTS Corporation
Palguta Larry J.
Young John A.
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