发明名称 |
DISPOSITIVO E PROCEDIMENTO PER INCORPORARE FILATI DI VETRO IN MATERIALI TERMOPLASTICI |
摘要 |
An improved process for incorporating glass fibers into a thermoplastic synthetic resin wherein the glass fibers are continuously mixed with a molten thermoplastic synthetic resin and the resulting mixture is shaped into a desired article, involves preheating the glass fibers to a temperature not more than the melting point of the synthetic resin, feeding the preheated glass fibers and the molten synthetic resin separately to a premixing chamber, intermixing the resin and fibers within the chamber and thereafter introducing the resultant premix continously and directly into a two-stage degasifying screw-type extruder for effecting further homogenization of the premix and for extruding the desired article. The two-stage degasifying screw-type extruder used for carrying out this process is provided with a screw having a constant screw pitch in the two stages and in each stage with a low pressure zone and a high pressure zone in succession. |
申请公布号 |
IT7848057(D0) |
申请公布日期 |
1978.02.15 |
申请号 |
IT19780048057 |
申请日期 |
1978.02.15 |
申请人 |
DYNAMIT NOBEL AKTIENGESELLSCHAFT |
发明人 |
HEINZ MEWES;WILHELM NACHTIGALL;MICHAEL WIENAND |
分类号 |
B29B11/00;B01F7/00;B29B7/00;B29B7/90;B29B9/14;B29B11/10;B29C47/00;B29C47/10;B29C47/64;B29C47/80;B29C57/00;B29C67/00;B29C70/06;B29K105/12 |
主分类号 |
B29B11/00 |
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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