发明名称 |
Apparatus for continuously forcing an elongate and extrusile raw material into an extrusion pressure vessel. |
摘要 |
<p>An apparatus has first propellers (20) and second propellers (21) alternating with the first propellers. Each propeller has one or more helical biting edges (24a) protruding into a guide passage (28) through which a raw material (W) advances. The biting edges are formed along an inner periphery of each propeller at a predetermined lead angle so as to bite an outer periphery of the raw material (W). The apparatus further has a drive mechanism for rotating the first propellers (20) in a direction opposite to that in which the second propellers (21) are driven. The helical biting edges (24a) are inclined such that the raw material (W) may be forced towards a pressure vessel (2) by all the propellers, notwithstanding the opposite directions in which the first and second propellers are driven, so that a strong thrust is applied to the raw material, without causing any torsion of the material which is being forced towards the pressure vessel. <IMAGE></p> |
申请公布号 |
EP0609066(A1) |
申请公布日期 |
1994.08.03 |
申请号 |
EP19940300571 |
申请日期 |
1994.01.26 |
申请人 |
YUGEN KAISHA YANO ENGINEERING |
发明人 |
YANO, SADAHIDE |
分类号 |
B21C23/01;B21C23/00;B21C27/00;B21C33/00;B21D43/00;B23Q7/05;(IPC1-7):B21C33/00 |
主分类号 |
B21C23/01 |
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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