发明名称 |
Method and apparatus for preventing cracking of the shank junction of die blocks |
摘要 |
A method and apparatus for tempering the shank portion only of die blocks which comprises subjecting the shank portion of a die block or other large metal part to electrical energy derived from induction heating or infrared heating to a controlled depth, preferably just sufficiently deep to temper the shank portion but not sufficiently deep to temper the hardened working portion of the part.
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申请公布号 |
US6398885(B1) |
申请公布日期 |
2002.06.04 |
申请号 |
US19980160895 |
申请日期 |
1998.09.25 |
申请人 |
A. FINKL & SONS CO. |
发明人 |
FINKL CHARLES W.;UNDERYS ALGIRDAS A. |
分类号 |
B21J13/00;B21K5/20;C21D1/10;C21D1/34;C21D1/63;C21D9/00;(IPC1-7):C21D1/04 |
主分类号 |
B21J13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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