发明名称 |
A MECHANICAL OVERLOAD PROTECTION DEVICE |
摘要 |
<p>PCT No. PCT/NO95/00174 Sec. 371 Date May 27, 1997 Sec. 102(e) Date May 27, 1997 PCT Filed Sep. 29, 1995 PCT Pub. No. WO96/11344 PCT Pub. Date Apr. 18, 1996A new overload protection device has been invented of the type in which components are fixed mutually by means of a safety member adapted to be cut or broken when the components are subjected to an overload, wherein the safety member is a thread spiral or spirals adapted to be cut loose from a member, rod or sleeve when the thread spiral (or spirals) is subjected to an overload.</p> |
申请公布号 |
EP0795091(B1) |
申请公布日期 |
2000.05.10 |
申请号 |
EP19950934893 |
申请日期 |
1995.09.29 |
申请人 |
WEATHERFORD/LAMB INC. |
发明人 |
MOEN, TERJE;ERIKSEN, ERIK, PETER;GUDMESTAD, TARALD |
分类号 |
E21B33/16;E21B34/06;E21B41/00;F16B21/10;F16P5/00;(IPC1-7):F16B31/06;E21B17/06 |
主分类号 |
E21B33/16 |
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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