Heat treatment of helical springs or similarly shaped articles by electric resistance heating

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United States of America Patent

PATENT NO 8506732
SERIAL NO

12849299

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Abstract

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Apparatus and method are provided for metallurgical heat treatment of coil springs, or similarly shaped workpieces and articles of manufacture, by electric resistance heating along the entire length of the workpiece so that the ends of the workpiece can be heat treated to the same degree and quality as the section of the workpiece between its two ends.

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Patent Owner(s)

Patent OwnerAddress
RADYNE CORPORATION211 WEST BODEN STREET MILWAUKEE WI 53207

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Warner, Jerry G Jackson, US 6 11

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