发明名称 |
Marbleization of plastic materials |
摘要 |
Methods and apparatus for marbleizing molded parts produced by screw extruder machines. Liquid colorant is advantageously injected at a comparatively high pressure into a melt containing portion of the machine between the screw and its housing, where the melt is either completely molten or more than fifty percent molten.
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申请公布号 |
US4183673(A) |
申请公布日期 |
1980.01.15 |
申请号 |
US19780961402 |
申请日期 |
1978.11.16 |
申请人 |
GILLETTE CO THE |
发明人 |
EASLEY, WILEY L;HOESKE, RICHARD J;PETRUCCI, SILVIO |
分类号 |
B29C45/16;B29C45/18;(IPC1-7):B28C7/04;B29B1/06 |
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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