发明名称 Heat treatment method and apparatus
摘要 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.
申请公布号 US6972058(B1) 申请公布日期 2005.12.06
申请号 US19970991113 申请日期 1997.12.16
申请人 A. FINKL & SONS CO. 发明人 UNDERYS ALGIRDAS A.
分类号 C21D1/09;C21D1/34;(IPC1-7):C21D1/34 主分类号 C21D1/09
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