US PATENT SUBCLASS 373 / 60
ARC FURNACE DEVICE

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

60ARC FURNACE DEVICE {9}
61  DF  .~> Indirect {3}
67  DF  .~> Ingot remelting {3}
71  DF  .~> Furnace body detail {4}
78  DF  .~> Plural furnace units
79  DF  .~> Charging or discharging {4}
85  DF  .~> For manipulation of the charge or melt (e.g., stirring) {2}
88  DF  .~> Electrode {4}
94  DF  .~> Electrode support {6}
102  DF  .~> Power supply system {4}

DEFINITION

Classification: 373/60

ARC FURNACE DEVICE:

(under the class definition) Subject matter wherein the charge is heated by means of an electric arc produced between opposed electrodes (indirect arc furnaces) or between an

electrode and the charge (direct arc furnaces).

SEE OR SEARCH THIS CLASS, SUBCLASS:

1+, for arc furnaces with other heating means.

9+, for arc furnaces with environmental control.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy,

171, for arc furnaces used for the preparation of acetylene by pyrolysis of hydrocarbons, especially with the removal of carbon deposits from the arc region.