Burn-out furnace
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United States of America Patent
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Aug 27, 2002
Grant Date -
N/A
app pub date -
Sep 4, 2001
filing date -
Sep 4, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A burn-out furnace having heating system configured in a series or plurality of radiating sleeves aligned on top of one another against at least one wall of the burn-out furnace. At least one heating element is disposed in the radiating sleeves. The heating element is preferably a single piece of wire which is coiled or wound along its entire length and curved after it exits each radiating sleeve to continue into the next tube, and 'zig-zag' through the plurality of tubes. The heating element is stretched to a point whereby during operation of the furnace, when the heating element is heated, there is little or no creeping of the wire occurring. Moreover, the heating element contains very tight turns between the sleeves as the direction of the element reverses and it continues the zig-zag configuration through the plurality of radiating sleeves.
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