US PATENT SUBCLASS 373 / 35
.~.~.~ Including discharge area heating

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

27  DF  GLASS FURNACE DEVICE {2}
29  DF  .~ Joule effect heating {4}
33  DF  .~.~ Charging or discharging {2}
35.~.~.~ Including discharge area heating

DEFINITION

Classification: 373/35

Including discharge area heating:

(under subclass 33) Subject matter wherein means are provided at, or near the discharge opening of the furnace to heat the material as it is discharged.

SEE OR SEARCH THIS CLASS, SUBCLASS:

28, for resistance-heated discharge bushings, the discharge usually being in the form of filaments for making glass fibers.