发明名称 |
Orthodontic coil spring and method of making the same |
摘要 |
An orthodontic coil spring is made of a shape-memory alloy wire which is wound into a coil and heat treated into a superelastic state. The coil spring imparts a predetermined spring force within a superelastic zone of deflection.
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申请公布号 |
US4849032(A) |
申请公布日期 |
1989.07.18 |
申请号 |
US19880169384 |
申请日期 |
1988.03.17 |
申请人 |
TOMY, INC. |
发明人 |
KAWAGUCHI, KOZO |
分类号 |
A61C7/12;A61K6/04;C22F1/00;F16F1/02 |
主分类号 |
A61C7/12 |
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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