Method for repairing interior portions of a pipeline
US5089297A · kind A · utility
9Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Nov 2, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L55/164
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Liquefied resin is supplied into a pipeline having a branch pipe from an end. Mass of the resin is moved by compressed air passing through the pipeline at constant speed, thereby lining inner walls of the pipeline and branch pipe with the resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.