发明名称 |
SCREW SHAFT STRUCTURE FOR DOUBLE-SHAFT EXTRUDER |
摘要 |
An object is to reduce a weight of a raw material to be used for manufacturing a screw shaft by combining a tapered section and a tapered ring as a structure of a flange section. A screw shaft structure for a twin screw extruder includes a tapered section (20) provided between a ground section (6) and a screw piece inserting section (8), and a tapered ring (21) fitted onto the tapered section (20), the tapered ring (21) serving as a flange section. |
申请公布号 |
EP2639039(B1) |
申请公布日期 |
2017.01.11 |
申请号 |
EP20120763032 |
申请日期 |
2012.03.30 |
申请人 |
The Japan Steel Works, Ltd. |
发明人 |
HAMADA, Takuya;WATADA, Satoru |
分类号 |
B29C47/00;B29B7/48;B29C47/08;B29C47/40;B29C47/60 |
主分类号 |
B29C47/00 |
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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