US PATENT SUBCLASS 164 / 513
.~ Induction coil means


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164 /   HD   METAL FOUNDING

250.1  DF  MEANS TO DIRECTLY APPLY ELECTRICAL OR WAVE ENERGY TO WORK {6}
513.~ Induction coil means


DEFINITION

Classification: 164/513

Induction coil means:

(under subclass 250.1) Apparatus wherein the means to apply an energy quantity comprises a high frequency induction coil for heating the work material.

(1) Note. The material to be heated is placed in the high frequency magnetic field produced by the induction coil means wherein eddy currents and sometimes hysteresis losses created in the work serve to heat the material.

SEE OR SEARCH CLASS

219, Electric Heating,

600+, for inductive heating, subclasses 678+ for microwave heating, and subclasses 764+ for capacitive dielectric heating.

373, Electric Furnaces,

140, for electrical induction furnaces, per se.