| 发明名称 |
Annular diamond bodies |
| 摘要 |
An annular body, which may be a die for drawing wire, comprises an annular transparent CVD diamond body having an opening of uniform diameter with an interior surface in a region of smaller diamond grains and an external surface in a region of larger diamond grains.
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| 申请公布号 |
US5551277(A) |
申请公布日期 |
1996.09.03 |
| 申请号 |
US19940311658 |
申请日期 |
1994.09.23 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
ANTHONY, THOMAS R.;KNEMEYER, FRIEDEL S.;WILLIAMS, BRADLEY E. |
| 分类号 |
B21C3/02;(IPC1-7):B21C3/02 |
主分类号 |
B21C3/02 |
| 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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