FIELD: machine building.
SUBSTANCE: outer periphery surface of the front pin part is of convex curvilinear shape. The sealing surface of a box is of conical shape. The area of pin section in the sealing point which is the zone on the outer periphery surface of the front pin part being the first to get in contact with the sealing box surface during the threaded joint assembly, amounts to 35% or more of the area of section of the initial pipe zone corresponding to the untreated zone.
EFFECT: sealing of a joint.
2 cl, 9 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| STEEL PIPE THREADED JOINT | 2012 |
|
RU2541364C1 |
| THREADED CONNECTION FOR PIPES | 2012 |
|
RU2562835C1 |
| THREADED CONNECTION FOR THICK-WALLED PIPE PRODUCTS OF THE OILFIELD CASING AND TUBULAR GOODS | 2014 |
|
RU2637783C1 |
| THREADED CONNECTION FOR PIPE | 2020 |
|
RU2788781C1 |
| THREADED CONNECTION OF TUBING STRING FOR OIL WELLS | 2016 |
|
RU2692177C1 |
| THREADED CONNECTION OF PIPES FOR OIL WELLS | 2019 |
|
RU2742962C1 |
| TUBULAR THREADED CONNECTION | 2016 |
|
RU2661917C1 |
| THREADED JOINT FOR PIPES | 2011 |
|
RU2522756C1 |
| THREADED CONNECTION FOR STEEL PIPES | 2019 |
|
RU2764606C1 |
| THREADED CONNECTION OF STEEL PIPES FOR OIL WELLS | 2017 |
|
RU2712651C1 |
