Lubricating composition with an adaptable coefficient of friction, for a threaded element of a component of a tubular threaded joint
US8673828B2 · kind B2 · utility
6Cited by
5References
29Claims
0Family size
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Key dates
| Filing date | Apr 4, 2008 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Aug 28, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2050/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A thin adhesive lubricating composition that can cover at least one thread and a screwing abutment of a threaded element of a component of a tubular threaded joint. The screwing abutment can bear against another abutment of another component of the tubular threaded joint in a terminal make up phase. The lubricating composition includes a matrix in which there is dispersed at least one braking additive selected to impart thereto, in addition to lubrication, a coefficient of friction to make it possible to obtain a torque on shoulder resistance value at least equal to a threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.