发明名称 |
PERFECCIONAMIENTOS EN UN DISPOSITIVO DE ESTANQUIDAD PARA UN OBTURADOR |
摘要 |
<p>A sealing device for providing the upstream/downstream sealing of a valve comprising a valving member movable inside the bore of a tubular body and comprising at its periphery a sealing surface coming to bear on a sealing packing mounted in the body at the end of the valving stroke. This sealing packing comprises a dynamic annular sealing element and a coronal metal membrane, whose outer edge portion has flat radial part applied axially against a steep side of a shoulder in the bore of the body, for providing static sealing therewith.</p> |
申请公布号 |
ES544616(D0) |
申请公布日期 |
1986.07.16 |
申请号 |
ES19160005446 |
申请日期 |
1985.06.27 |
申请人 |
APPLICATIONS MECANIQUES ET ROBINETTERIE INDUSTRIELLE A.M.R.I |
发明人 |
|
分类号 |
F16K1/226;F16K5/06;(IPC1-7):F16K1/226 |
主分类号 |
F16K1/226 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|