US PATENT SUBCLASS 373 / 79
.~ Charging or discharging

Current as of: June, 1999
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373 /   HD   INDUSTRIAL ELECTRIC HEATING FURNACES

60  DF  ARC FURNACE DEVICE {9}
79.~ Charging or discharging {4}
80  DF  .~.~> With charge pre-heating
81  DF  .~.~> Top charging {1}
83  DF  .~.~> Bottom pour
84  DF  .~.~> Discharge by tilting

DEFINITION

Classification: 373/79

Charging or discharging:

(under subclass 60) Subject matter including means to supply charge material to the furnace, or means to let out the heated charge from the furnace.