| 发明名称 |
FORMING UNITARY ARTICLES OF TWO DIFFERENT THERMOPLASTIC MATERIALS |
| 摘要 |
<p>Articles having portions of materials with different properties are integrally formed by injection of two different thermoplastic materials simultaneously through separate gates into the same mold wherein the materials fuse or bond together. A plunger for a syringe formed by the process has a rigid shaft and an elastomeric head.</p> |
| 申请公布号 |
CA1136813(A) |
申请公布日期 |
1982.12.07 |
| 申请号 |
CA19790328180 |
申请日期 |
1979.05.23 |
| 申请人 |
LEVEEN, HARRY H.;LEVEEN, ROBERT F. |
发明人 |
LEVEEN, HARRY H.;LEVEEN, ROBERT F. |
| 分类号 |
B29C45/13;A61M5/315;B29C45/14;B29C45/16;B29K23/00;B29K31/00;(IPC1-7):61M5/315 |
主分类号 |
B29C45/13 |
| 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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