FIELD: transport, pipelines.
SUBSTANCE: proposed threaded joint comprises a sleeve and a coupling with threaded sections and a threadless contact to get into contact on fastening the joint. The contact surfaces of at least one sleeve or coupling are coated with a lower layer of solid lubricating coat including a solid lubricating powder and a binder, and an upper layer of solid antirust coat from organic resin not containing solid particles.
EFFECT: higher adhesion.
10 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| THREADED CONNECTION FOR STEEL PIPES | 2002 |
|
RU2258170C2 |
| THREADED CONNECTION FOR STEEL TUBES (VARIANTS) | 2002 |
|
RU2258859C2 |
| PIPE THREADED JOINT AND FORMING LUBRICATING COATING COMPOSITION FOR USE THEREIN | 2013 |
|
RU2604526C2 |
| STEEL PIPE THREADED JOINT FEATURING IMPROVED RESISTANCE TO ABRASION AND PREVENTION OF RUSTING | 2002 |
|
RU2248495C1 |
| THREADED JOINT FOR STEEL PIPE AND METHOD OF THREAD PRODUCTION | 2005 |
|
RU2326285C1 |
| MEANS FOR FORMING FILM OF SOLID LUBRICANT COATING, OIL AND GAS FIELD PIPES, THREADED JOINT FOR OIL AND GAS FIELD PIPES AND METHOD OF PRODUCING OIL AND GAS FIELD PIPES | 2022 |
|
RU2837894C2 |
| THREADED JOINT WITH DRY LUBRICATING COATING | 2017 |
|
RU2671759C1 |
| THREADED JOINT FOR STEEL PIPES | 2007 |
|
RU2406003C1 |
| THREADED JOINT FOR PIPES OR TUBES AND METHOD OF MAKING THREADED JOINT FOR PIPES OR TUBES | 2018 |
|
RU2729482C1 |
| MEANS FOR FORMING FILM OF SOLID LUBRICANT COATING, OIL AND GAS FIELD PIPES AND THREADED CONNECTION FOR OIL AND GAS FIELD PIPES | 2022 |
|
RU2831424C2 |
