Heat treatment method and apparatus
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United States of America Patent
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Dec 6, 2005
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app pub date -
Dec 16, 1997
filing date -
Dec 16, 1997
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Abstract
A method of heat treating tool steel by using a high intensity infrared heating source, said source being tungsten halogen heat lamps which operate in air, non-air and/or vacuum environments, and a tool steel heat treat system which includes a furnace containing said tungsten halogen lamp means, a lining of a reflective metal and, preferably, support structure for the tool steel workpieces which are composed of ceramic or other high melting point material.
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