发明名称 |
Threaded lid injection mold release |
摘要 |
Apparatus and a method for injection molding large container lids of the type having threads for screwing the lids onto and off large containers. The apparatus includes an injection mold having a cavity mold portion and a core mold portion which together define the shape of the lid. The core mold portion includes a stationary annular ring that defines the lid threads. A co-axial, rotatable center section of the core mold portion is opened to spin the molded lid off the core mold portion and release it from the mold.
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申请公布号 |
US6241931(B1) |
申请公布日期 |
2001.06.05 |
申请号 |
US19980088317 |
申请日期 |
1998.06.01 |
申请人 |
TOP GRADE MACHINING LTD. |
发明人 |
CICCONE VINCE;KNEZOVIC JERKO |
分类号 |
B29C45/26;(IPC1-7):B29C33/44;B29C45/44 |
主分类号 |
B29C45/26 |
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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