Device and method for repairing pipe
US7987873B2 · kind B2 · utility
31Cited by
45References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 6, 2008 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Mar 3, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L55/265
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a new liner for repairing a damaged portion of a pipe. A lining tube formed from a non-resin absorbent material has an exterior surface adapted to receive a curable resin and contact an interior wall of the pipe. The present invention also includes a main/lateral liner assembly for repairing the junction between main and lateral pipes using a non-resin absorbent liner for at least a portion of the lining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.