发明名称 |
Gas pin with thermocouple for gas assisted injection moulding |
摘要 |
A method and system for forming an injection molded plastic part. After the injection of plastic material has started, a volume of gas from a fixed volume reservoir is introduced into the plastic material at a low pressure forming a hollow cavity. The gas is introduced into the mold by a gas pin having a temperature sensing device, such as a thermocouple, positioned on it. The introduction of this volume of gas is initiated when the temperature of the plastic material in the mold has reached a predetermined value. After the mold is filled and packed with plastic, pressurized gas is introduced into the hollow cavity forming the completed plastic part. |
申请公布号 |
GB2413521(B) |
申请公布日期 |
2008.09.10 |
申请号 |
GB20050007546 |
申请日期 |
2005.04.14 |
申请人 |
LEAR CORPORATION;INTERNATIONAL AUTOMOTIVE COMPONENTS GROUP NORTH AMERICA INC |
发明人 |
GREGORY A HOMANN;JAMES HENDRY |
分类号 |
B29C45/17;B29C45/00;B29C45/76;B29C45/78;B29C49/60;B29C49/78;B29D11/00;B29D22/00 |
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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