Torque limiting tool
US6497295B1 · kind B1 · utility
10Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2000 |
| Grant date | Dec 24, 2002 |
| Priority date | — |
| Expiry date | Jan 31, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/095
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A down-hole tool comprises a generally tubular body for connection in a drill string, the body typically having an upper tubular member and a lower tubular member interconnected to be axially secured and relatively rotatable, and a frangible element securing the upper and lower members together rotationally and adapted to rupture at a predetermined load
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.