发明名称 |
Screen/diverter changing mechanism for extruders |
摘要 |
In an extruder of the type including an extruding cylinder with an outlet at one end thereof and an extruding screw rotatably disposed in the cylinder and circumferentially formed with a feed flight member for forwarding a plasticized material through the outlet of said cylinder for extrusion through a screen located at the fore end of the extruding cylinder, a screen/diverter changing mechanism including a retainer box fixed to the fore outlet end of the extruding cylinder and internally defining a flow passage of the plasticized material to be extruded; a slide body movable transversely in a guide bore of the retainer box across the flow passage thereof; a screen unit detachably fitted in the slide body and having a screen and a plurality of nozzles; a diverter unit detachably fitted in the slide body and having a diverting flow passage for diverting the flow of the plasticized material from the cylinder; a drive mechanism linked to the slide body for selectively positioning either the screen unit or diverter unit in the flow passage of the retainer box; and a die plate fixedly mounted on the front side of the retainer box and having a plurality of nozzles for extruding the plasticized material fed from the cylinder through the screen unit.
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申请公布号 |
US4416605(A) |
申请公布日期 |
1983.11.22 |
申请号 |
US19820374751 |
申请日期 |
1982.05.04 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
KONNO, MASASHI;IKEDA, OSAMU |
分类号 |
B29C47/30;B29C47/68;B29C47/74;(IPC1-7):B29F3/06 |
主分类号 |
B29C47/30 |
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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