发明名称 |
Twin-screw extrusion device |
摘要 |
An extrusion device comprises feed means and extrusion means. The feed means comprises a feed hopper having a feed aperture formed therein, said feed aperture feeding material into a hollow barrel in which a single screw rotates. The single screw conveys the material to the extrusion device. The extrusion device comprises twin screws rotating in a further barrel. The two barrels are co-axial with one another and are in series with one another. The diameter of the single screw is at least twice the diameter of each of the twin screws.
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申请公布号 |
US4643661(A) |
申请公布日期 |
1987.02.17 |
申请号 |
US19840668901 |
申请日期 |
1984.11.07 |
申请人 |
HERMANN BERSTORFF MASCHINENBAU GMBH |
发明人 |
CHSZANIECKE, SIEGFRIED |
分类号 |
B30B11/24;B30B15/30;(IPC1-7):B29B7/20 |
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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