Illinois Tool Works Inc.

Don Wiseman

Mark Andrew Ulrich

Randall G Baxter

David M Bickel

A method and apparatus for induction heating includes a power supply, and a controller, and an induction head. The induction head includes a flexible coiled, such as one formed with Litz wire. The head also includes a thermal insulator, for disposing between the head and the workpiece. The insulator reflects heat back to the workpiece, protecting the coil, but is transparent to inductive (E-M) energy. The power supply is a variable output frequency power supply, such as one having a resonant tank, to adapt to the inductance of the head.

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Neenah, WI, United States of America

Don Wiseman