发明名称 |
SEALING DEVICE ASSURING THE OPSTREAM/DOWNSTREAM FLUID TIGHTNESS OF A CLOSURE MEMBER |
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 |
EP0166641(B1) |
申请公布日期 |
1988.06.15 |
申请号 |
EP19850401062 |
申请日期 |
1985.05.30 |
申请人 |
APPLICATIONS MECANIQUES ET ROBINETTERIE INDUSTRIELLE A.M.R.I. SOCIETE ANONYME DITE: |
发明人 |
LAULHE, RENE;GARRIGUES, JEAN-CLAUDE |
分类号 |
F16K1/226;F16K5/06;(IPC1-7):F16K1/226 |
主分类号 |
F16K1/226 |
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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