| 发明名称 |
SHAPE MEMORY MATERIAL SEALS |
| 摘要 |
<p>The invention relates to a shape memory sleeve to create an annular tightness. More precisely, the invention relates to a ring to provide tightness, made from shape memory alloy material and including an interior annular portion and an exterior annular portion, comprising at least one annular groove or one annular rib on its interior annular portion.</p> |
| 申请公布号 |
WO2008034762(A1) |
申请公布日期 |
2008.03.27 |
| 申请号 |
WO2007EP59679 |
申请日期 |
2007.09.13 |
| 申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT N.V.;PAUCHET, FREDERIC;GARCIA, JEAN-LUC |
发明人 |
PAUCHET, FREDERIC;GARCIA, JEAN-LUC |
| 分类号 |
F16L13/00 |
主分类号 |
F16L13/00 |
| 代理机构 |
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