发明名称 |
Injection molding articles of more than one resin component |
摘要 |
Method for making an article from plural resin materials including blocking of injection channels with pairs of abutting plates and separating the plates to unblock a channel or channels to permit sequentially injecting different resin compositions.
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申请公布号 |
US4275030(A) |
申请公布日期 |
1981.06.23 |
申请号 |
US19790037213 |
申请日期 |
1979.05.08 |
申请人 |
MARES, PEDRO |
发明人 |
MARES, PEDRO |
分类号 |
B29C45/16;(IPC1-7):B29C5/00;B29F1/12 |
主分类号 |
B29C45/16 |
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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