US PATENT SUBCLASS 219 / 85.12
.~.~.~ Utilizing radiant energy

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
78.01  DF  .~ For bonding with pressure (e.g., resistance welding) {16}
85.1  DF  .~.~ Brazing or soldering {9}
85.12.~.~.~ Utilizing radiant energy {1}
85.13  DF  .~.~.~.~> Methods

DEFINITION

Classification: 219/85.12

Utilizing radiant energy:

(under subclass 85.1) Subject matter in which the heat is applied to the metal by means of radiant energy (e.g., infrared lamps, resistance heaters, lasers, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

121+, for additional metal heating where the radiant energy source is an electron beam or laser.

347+, for heat energy reflector means.

523+, for the particular structure of resistance heater.