发明名称 |
Integral molten evacuation channel |
摘要 |
A plastic part is formed with a hollow portion and an integral evacuation channel extending from the hollow portion to a gate at which plastic for the part was injected. During the injection molding process for the part, the channel and portion to be hollowed are filled with molten plastic, and a gas is injected into the portion to be hollowed to force molten material from the portion to be hollowed back through the channel. |
申请公布号 |
US8337745(B2) |
申请公布日期 |
2012.12.25 |
申请号 |
US20100781303 |
申请日期 |
2010.05.17 |
申请人 |
FARMER MICHAEL L.;RIECHERS MICHAEL R.;HENNEIKE TODD A.;ILLINOIS TOOL WORKS INC. |
发明人 |
FARMER MICHAEL L.;RIECHERS MICHAEL R.;HENNEIKE TODD A. |
分类号 |
B29C45/17;B29C45/37 |
主分类号 |
B29C45/17 |
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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