发明授权
- 专利标题： Apparatus for injection molding multi-layer articles
- 专利标题（中）： 多层制品注塑成型设备
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申请号： US09526438申请日： 2000-03-15
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公开(公告)号： US06332767B1公开(公告)日： 2001-12-25
- 发明人: Frederick G. Kudert , Maurice G. Latreille , Robert J. McHenry , George F. Nahill , Henry Pfutzenreuter, III , William A. Tennant , Thomas T. Tung , John Vella, Jr.
- 申请人： Frederick G. Kudert , Maurice G. Latreille , Robert J. McHenry , George F. Nahill , Henry Pfutzenreuter, III , William A. Tennant , Thomas T. Tung , John Vella, Jr.
- 主分类号： B29C4522
- IPC分类号： B29C4522
摘要：
An injection nozzle device including multi-polymer injection nozzles comprising an assembly of shells, and having fixed, tapered passageways communicating with annular orifices close to a nozzle gate and to each other, and polymer flow balancing and directing means in the passageways in the form of concentric and eccentric chokes.
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