FIELD: construction.
SUBSTANCE: expandable bushing is set into the part of a pipeline to be strengthened. The bushing is made of assemble of spring arc-shaped belts covered with a polymeric binder and is locked by the stop member. The locker is removed, bushing expands and presses the band to the inner side of the part of a pipeline to be strengthened.
EFFECT: expanded functional capabilities.
4 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF INTERNAL STRENGTHENING OF WEAKENED ZONE OF PIPE LINE AND DEVICE FOR REALIZATION OF THIS METHOD | 2001 |
|
RU2218514C2 |
| METHOD AND DEVICE FOR STRENGTHENING PIPELINE | 2001 |
|
RU2236631C2 |
| METHOD OF STRENGTHENING PIPELINE | 2001 |
|
RU2241172C2 |
| METHOD OF AND DEVICE FOR INTERNAL CORROSION PROTECTION OF PIPE WELD ZONE | 2002 |
|
RU2218511C2 |
| METHOD AND DEVICE FOR ANTICORROSIVE PROTECTION OF WELD FROM THE INSIDE | 2001 |
|
RU2236633C2 |
| METHOD OF AND DEVICE FOR INTERNAL CORROSION PROTECTION OF PIPE WELD ZONE | 2001 |
|
RU2218510C2 |
| METHOD AND DEVICE FOR INNER CORROSION PROTECTION OF WELDED JOINT ZONE OF PIPES | 2001 |
|
RU2190149C1 |
| METHOD AND DEVICE FOR CORROSION PROTECTION OF INTERNAL PIPE WELD JOINT | 2002 |
|
RU2235937C2 |
| METHOD OF AND DEVICE FOR INTERNAL CORROSION PROTECTION OF PIPE WELD ZONE | 2002 |
|
RU2218512C2 |
| METHOD OF INTERNAL ANTI-CORROSION PROTECTION OF PIPE WELDED JOINT AREA AND DEVICE FOR REALIZATION OF THIS METHOD | 2002 |
|
RU2218513C1 |
