US PATENT SUBCLASS 373 / 67
.~ Ingot remelting

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

60  DF  ARC FURNACE DEVICE {9}
67.~ Ingot remelting {3}
68  DF  .~.~> With internal atmosphere control (e.g., pressure, vacuum, etc.)
69  DF  .~.~> With electrode holder or guide
70  DF  .~.~> With power regulation

DEFINITION

Classification: 373/67

Ingot remelting:

(under subclass 60) Subject matter wherein the electrode is metal mass which is reheated to liquification to form the charge of the furnace.