| 发明名称 |
Circular-shaped metal structure and method of fabricating the same |
| 摘要 |
A circular-shaped metal structure is fabricated by plastic-working and has a wall thickness in the range of 0.03 mm to 0.09 mm both inclusive. A film composed of one of (a) silicon and fluorocarbon resin and (b) copper is coated on a surface of the circular-shaped metal structure.
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| 申请公布号 |
US7229398(B2) |
申请公布日期 |
2007.06.12 |
| 申请号 |
US20030696353 |
申请日期 |
2003.10.29 |
| 申请人 |
K.K. ENDO SEISAKUSHO |
发明人 |
SAKUMA MASARU;ITO YOUJI |
| 分类号 |
B25F5/02;G03G15/20;B21B1/40;B21D22/16;B21D22/30;B21D26/14;B21D51/10;B21D53/14;F16C13/00;G03G15/00;G03G21/00 |
主分类号 |
B25F5/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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