发明名称 |
Thermal or thermochemical treatment process of metals - involves a cooling step using a jet of liquid nitrogen |
摘要 |
<p>Process comprises a heating step to heat the metal to a selected temp. and a cooling step in which part of the cooling is achieved by injecting on the metal >=1 jet of liquid nitrogen. The process enables cooling to be achieved at high speeds and to provide cooling temperatures far below ambient temperature without having to manoeuvre the workpiece during treatment.</p> |
申请公布号 |
FR2379607(A1) |
申请公布日期 |
1978.09.01 |
申请号 |
FR19770003070 |
申请日期 |
1977.02.03 |
申请人 |
VIDE TRAITEMENT SA |
发明人 |
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分类号 |
C21D1/613;C21D1/773;F27B5/14;F27B5/16;(IPC1-7):21D1/62;21D1/74 |
主分类号 |
C21D1/613 |
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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