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.
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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 |
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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