Method of sealing pipe
US4602974A · kind A · utility
63Cited by
6References
2Claims
0Family size
Inventors
Key dates
| Filing date | May 10, 1983 |
| Grant date | Jul 29, 1986 |
| Priority date | — |
| Expiry date | May 10, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S118/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of lining a pipeline or passageway with a flexible tubular liner. The liner is caused to evert in the pipeline by a fluid under pressure, and a former is used to smooth out the everting face of the liner and evenly apply resin over the everting face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.