US PATENT SUBCLASS 219 / 121.48
.~.~.~ Plasma torch structure

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

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
121.11  DF  .~ By arc {16}
121.36  DF  .~.~ Using plasma {8}
121.48.~.~.~ Plasma torch structure {5}
121.49  DF  .~.~.~.~> Cooling system
121.5  DF  .~.~.~.~> Nozzle system
121.51  DF  .~.~.~.~> Gas supply system
121.52  DF  .~.~.~.~> Electrode structure
121.53  DF  .~.~.~.~> Consumable electrode

DEFINITION

Classification: 219/121.48

Plasma torch structure:

(under subclass 121.36) Subject matter having a housing including at least one electrode, a nozzle for fluid flow passage and a power supply.

(1) Note. The fluid flow passage may carry the working fluid, shielding fluid or cooling fluid.