发明名称 Gasket and mold assembly for producing plastic lenses
摘要 An annular gasket may be configured to engage a mold set for forming a mold assembly. The gasket includes at least four discrete projections. The projections are preferably arranged upon inner surface such that they are substantially coplanar. The projections may be evenly spaced around the interior surface of the gasket.
申请公布号 US6698708(B1) 申请公布日期 2004.03.02
申请号 US20000539661 申请日期 2000.03.30
申请人 Q2100, INC. 发明人 POWERS GALEN R.;JOEL LARRY H.;LOSSMAN LOREN C.
分类号 B29C39/24;B29C39/38;B29C39/44;B29D11/00;H05B41/298;(IPC1-7):B29C33/00 主分类号 B29C39/24
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