发明名称 |
Method and device for manufacturing a hollow plastic component |
摘要 |
A gas injection moulding device with a mould cavity which communicates via a valve with spill chambers. The injection moulding process is controlled by a control unit so that the valve is first kept partially open during the injection of fluent plastic material for purging the mould cavity of air and for spilling a first small amount of plastic material to the spill chambers, whereas during the subsequent injection of gas, the valve is completely opened.
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申请公布号 |
US6372177(B1) |
申请公布日期 |
2002.04.16 |
申请号 |
US19990319418 |
申请日期 |
1999.08.03 |
申请人 |
VOLVO LASTVAGNAR AB;LEAR CORPORATION SWEDEN AB |
发明人 |
HILDESSON MIKAEL;HESSELGREN TOR;ODELMARK LARS |
分类号 |
B29C45/40;B29C45/00;B29C45/17;B29L31/30;B60R19/52;(IPC1-7):B29D22/00 |
主分类号 |
B29C45/40 |
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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