发明名称 |
VALVE WITH INFLATABLE MEMBRANE |
摘要 |
<p>A valve comprises a body including a chamber and two superposed closures moving in the chamber and the bottom part of the chamber includes a first seat for one closure and a second seat for the other closure. The closures are each carried by a swing mobile between a position in which the closure bears in sealed fashion on the corresponding seat and a position in which the closure is spaced from the seat. The space between the two closures contains an elastic material membrane closing a chamber into which a compressed air feed discharges. The membrane can therefore be inflated and pressed in sealed fashion onto the top closure to close and seal the inlet of a passage which discharges into a space between the two closures.</p> |
申请公布号 |
CA2269037(A1) |
申请公布日期 |
1999.10.21 |
申请号 |
CA19992269037 |
申请日期 |
1999.04.14 |
申请人 |
S.A. DEFONTAINE |
发明人 |
BONNEFOUS, JEAN;PICOT, THIERRY;MARAUD, BRUNO |
分类号 |
F16K1/44;(IPC1-7):F16K11/22;F16K41/10;F16K25/00 |
主分类号 |
F16K1/44 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|