发明名称 |
THERMAL SECURING SET SCREWS |
摘要 |
A metal fastener is provided having a first threaded screw portion for engaging a complementary threaded portion of a bore of a metal member at a first temperature, and a sealing portion disposed proximal a distal end of the first screw portion, the sealing portion having a greater coefficient of thermal expansion than the metal member, wherein the sealing portion is configured to thermally expand and provide a seal between the sealing portion and an inner circumference of the bore at a second temperature higher than the first temperature, such that the first screw portion of the fastener is immobile relative to the bore at the second temperature. |
申请公布号 |
WO2014189493(A1) |
申请公布日期 |
2014.11.27 |
申请号 |
WO2013US42034 |
申请日期 |
2013.05.21 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
AITKEN, LIAM, ANDREW;GRECI, STEPHEN, MICHAEL |
分类号 |
F16B41/00;E21B43/00;F16J15/00 |
主分类号 |
F16B41/00 |
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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