| 发明名称 |
TOOL FOR COLDFORMING OPERATIONS |
| 摘要 |
<p>An improved coldforming tool made of a zone in a tungsten carbide-cobalt cemented carbide is disclosed. The tool, preferably a wire drawing nib, contains WC with a mean grain size of 1.5-2 mu m and 5-7 weight % Co and with a carbon content close to saturation level and sufficient to exhibit cobalt magnetic measurements of 92%-98% of that of pure cobalt.</p> |
| 申请公布号 |
EP0914487(A1) |
申请公布日期 |
1999.05.12 |
| 申请号 |
EP19970933118 |
申请日期 |
1997.07.11 |
| 申请人 |
SANDVIK AKTIEBOLAG (PUBL) |
发明人 |
CARPENTER, MICHAEL, JOHN;SWEETMAN, GARY, WILLIAM |
| 分类号 |
B23B27/14;B21C3/02;B21C25/02;B21J1/04;B21J5/00;B21K5/00;B21K5/20;B23G5/04;C22C29/08;C23C30/00;(IPC1-7):C22C29/00 |
主分类号 |
B23B27/14 |
| 代理机构 |
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代理人 |
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