发明名称 Plastic valve core
摘要 A valve core or insides for a valve device, said core being made primarily of plastic such that its manufacturing costs are considerably reduced, the core being specially configured to allow for substantial air flow through the core while insuring good dynamic sealing.
申请公布号 US4275756(A) 申请公布日期 1981.06.30
申请号 US19800165306 申请日期 1980.07.02
申请人 NATIONAL DISTILLERS AND CHEMICAL CORPORATION 发明人 CAIRNS, RODNEY J.;WHITELAW, STEFAN P.
分类号 B60C29/00;F16K15/20;(IPC1-7):F16K15/20 主分类号 B60C29/00
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