Multi-part electrodes for a heater layer
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United States of America Patent
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Aug 16, 2016
Grant Date -
Aug 15, 2013
app pub date -
Aug 3, 2012
filing date -
Aug 5, 2011
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Abstract
The present invention is directed to an electrode structure which is most applicable for plasticating barrels having wound, wire resistance heaters. Electrode structure includes at least one lower electrode plate and an upper electrode plate. A closely wound electrode band connected to the wound wire resistance heater is formed over the lower electrode plate to assure maximum electrical, and thus, thermal transfer. An upper ceramic layer is formed over the electrode band and wound wire resistance heaters. This upper ceramic layer can be ground down to accommodate the addition of an external plate on top of the upper electrode plate.
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