发明名称 |
Dual component flap |
摘要 |
A flap valve apparatus and an improved flap valve element which uses integrally bonded layers comprising a first soft flexible layer of an elastomer and a second layer of a rigid plastics material. The method of forming the flap valve element by a two component extrusion process is also disclosed.
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申请公布号 |
US5355910(A) |
申请公布日期 |
1994.10.18 |
申请号 |
US19930136391 |
申请日期 |
1993.10.13 |
申请人 |
TRW INC. |
发明人 |
GIES, MARK C.;NARDONE, KEITH J. |
分类号 |
F16K17/02;B60H1/24;F16K15/14;(IPC1-7):F16K15/16 |
主分类号 |
F16K17/02 |
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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