Industrial electric heating furnaces – Induction furnace device – Coreless
Patent
1984-10-01
1986-12-30
Envall, Jr., Roy N.
Industrial electric heating furnaces
Induction furnace device
Coreless
373 27, F27D 1106
Patent
active
046334815
ABSTRACT:
A vessel for inductively heating molten material such as glass is provided with a ceramic refractory lining bound by the electrical coil. The coil may comprise a single turn sheath. In preferred embodiments the lining comprises an inner layer of melt-compatible refractory and an outer layer of thermal insulation.
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Envall Jr. Roy N.
Millman Dennis G.
PPG Industries Inc.
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