发明授权
- 专利标题: Injection molding nozzle with removable forward member
- 专利标题(中): 具有可拆卸前部构件的注塑喷嘴
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申请号: US931208申请日: 1992-08-17
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公开(公告)号: US5268184A公开(公告)日: 1993-12-07
- 发明人: Jobst U. Gellert
- 申请人: Jobst U. Gellert
- 专利权人: Gellert Jobst U
- 当前专利权人: Gellert Jobst U
- 优先权: CAX2073710 19920713
- 主分类号: B29C45/20
- IPC分类号: B29C45/20 ; B29C45/26 ; B29C45/27 ; B29C45/74
摘要:
A heated injection molding nozzle having a rear member and a forward member which is removable. A channel extends through the rear and forward members to convey pressurized melt to one or more gates extending through the mold to a cavity. The rear member has an electrical heating element with a spiral portion which extends around the melt channel. The forward member has a tapered rear portion which extends rearwardly into a matching tapered well in the rear member. The taper is sufficient so the tapered portion is frictionally retained in the well to removably mount the forward member to the rear member. This allows the forward member to be easily turned or driven out of engagement in the well to replace it with a new forward member or a forward member having a different configuration to provide a different type or arrangement of gating.
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