发明授权
- 专利标题: Diamond wire drawing die and process for manufacturing same
- 专利标题(中): 金刚石拉丝模及其制造方法
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申请号: US831141申请日: 1997-04-01
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公开(公告)号: US5759667A公开(公告)日: 1998-06-02
- 发明人: Toshiya Takahashi , Akihiko Ikegaya , Keiichiro Tanabe , Naoji Fujimori
- 申请人: Toshiya Takahashi , Akihiko Ikegaya , Keiichiro Tanabe , Naoji Fujimori
- 申请人地址: JPX
- 专利权人: Sumitomo Electric Industries, Ltd.
- 当前专利权人: Sumitomo Electric Industries, Ltd.
- 当前专利权人地址: JPX
- 优先权: JPX4-230362 19920828
- 主分类号: B21C3/02
- IPC分类号: B21C3/02 ; C23C16/01 ; C23C16/27
摘要:
A wire drawing die comprises first and second polycrystalline diamond layers made of gaseous phase synthesized diamond. The finest diamond particles of the diamond layers are made into the wire contact portion of the die.
公开/授权文献
- US5279586A Reusable medication delivery pen 公开/授权日:1994-01-18
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