FIELD: construction.
SUBSTANCE: zone of a pipeline to be strengthened receives the expandable bushing made of a spiral metal belt provided with spiral band impregnated with a polymeric binder. The two-layered belt is preliminary heated up to the required temperature. The metallic two-layer belt cools inside the pipeline, expands and presses the band to the inner side of the pipeline part to be strengthened.
EFFECT: expanded functional capabilities.
3 cl, 2 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 |
|
RU2236632C2 |
| METHOD OF STRENGTHENING PIPELINE | 2001 |
|
RU2241172C2 |
| 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 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 OF INTERNAL ANTI-CORROSION PROTECTION OF PIPE WELDED JOINT AREA AND DEVICE FOR REALIZATION OF THIS METHOD | 2002 |
|
RU2218513C1 |
