发明名称 |
Hot runner for molding small plastic articles |
摘要 |
A hot runner system for injecting plastics material from a plasticizer unit into an injection mold for molding very small plastic devices, includes a hot runner manifold having an inlet for receiving melted plastics material from the plasticizer unit and a heater for maintaining the manifold at an elevated temperature. A check valve mounted in the manifold allows one way flow of the plastic in the feed conduit. This valve preferably comprises a ball type valve. A metering apparatus includes a cylinder forming an elongate metering chamber and a ram movable therein. An inner end of the chamber opens into one side of the feed conduit downstream of the check valve and the longitudinal axis of the chamber is perpendicular to the longitudinal axis of the conduit where they meet. At least one injector is connected to a downstream end of the feed conduit and it is spaced from the metering apparatus.
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申请公布号 |
US7125246(B2) |
申请公布日期 |
2006.10.24 |
申请号 |
US20030681065 |
申请日期 |
2003.10.08 |
申请人 |
MOLD HOTRUNNER SOLUTIONS INC. |
发明人 |
SCHMIDT HARALD HANS |
分类号 |
B29C45/23;B29C45/02;B29C45/27 |
主分类号 |
B29C45/23 |
代理机构 |
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代理人 |
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