Westinghouse Electric Corporation

Edward E Kovach

Gary W Sherwin

Albert L Schmidt

A self-preparing electrode includes a conductive conical disk and a nonconductive plastic abrading brush removably interfitted through an aperture in the disk. The brush extends axially through the disk cavity to an abrading end of the brush disposed beyond the cavity at the large diameter end of the disk. The brush also extends axially through and beyong the aperture of the disk to a fused end of the brush which holds the strands or bristles of the brush together. An apparatus which fabricates the brush and assembles it to an electrode disk uses a pair of pressure roller to feed multiple strands from supply spools mounted in a supply rack, through input and output tubular orifices, to and through the aperture of the disk. A shuttle positions a fusing anvil in contact with the leading ends of the strands extending through the disk aperture for fusing them into a connecting bead. A cutting blade is then employed to sever the strands a short distance from the disk to finish forming the brush and define an abrading end thereon.

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Penn Hills, PA, United States of America

Edward E Kovach