发明名称 |
FEED UNIT FOR AN EXTRUDER |
摘要 |
An extruder having a barrel with a central passageway, which passageway journals a single rotating extruder screw with flight thereon. The extruder screw has a feed section, a transition section and a metering section with the metering section discharging the extruder melt. The extruder barrel has an opening at the feed section that receives a deflector member that is located between such opening and the hopper that receives the plastic material to be processed for feeding into the central passageway for conveyance and working by the extruder screw. The deflector member has a progressively restrictive inlet that cooperates with the flights of the extruder screw to draw in the plastic material fed thereinto. |
申请公布号 |
AU624386(B2) |
申请公布日期 |
1992.06.11 |
申请号 |
AU19890036207 |
申请日期 |
1989.06.08 |
申请人 |
THE B.F. GOODRICH COMPANY |
发明人 |
HEUNG-TAI KIM |
分类号 |
B29C47/10;B29C47/50;B29C47/58;(IPC1-7):B29C47/10;B30B11/24 |
主分类号 |
B29C47/10 |
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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