| 发明名称 |
Carbon spring and process for preparing the same |
| 摘要 |
A carbon spring composed substantially of carbonaceous carbon or graphite carbon is prepared by shaping an organic linear material to a coiled spring and thereafter heating it to carbonize.
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| 申请公布号 |
US4412675(A) |
申请公布日期 |
1983.11.01 |
| 申请号 |
US19810286772 |
申请日期 |
1981.07.27 |
| 申请人 |
MITSUBISHI PENCIL CO., LTD. |
发明人 |
KAWAKUBO, TAKAMASA |
| 分类号 |
C04B35/52;C01B31/02;C04B35/524;C04B35/83;D01F9/14;F16F1/02;F16F1/04;(IPC1-7):C01B31/02 |
主分类号 |
C04B35/52 |
| 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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