发明名称 |
EXTRUDER SCREW |
摘要 |
An extruder screw having a root, a helical primary flight on the root and a helical barrier flight on the root and forming with the primary flight a solids channel and a melt channel. The width of the solids channel gradually decreases and the width of the melt channel gradually increases along an upstream zone of the melting section. The width of the channels gradually changes in a downstream zone of the melting section but substantially less than in the upstream zone. |
申请公布号 |
EP0046631(A3) |
申请公布日期 |
1983.02.09 |
申请号 |
EP19810303122 |
申请日期 |
1981.07.08 |
申请人 |
CROMPTON & KNOWLES CORPORATION |
发明人 |
WHEELER, NORTON COOPER, JR.;RAHIM, WASEEM |
分类号 |
B30B11/24;B29B7/00;B29C47/00;B29C47/38;B29C47/62;(IPC1-7):29F3/02 |
主分类号 |
B30B11/24 |
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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