Inversion liner and liner components for conduits
US7478650B2 · kind B2 · utility
17Cited by
261References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2004 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Jul 9, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2597/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Inversion liners are provided which in a first embodiment include first and second flexible fabric layers joined to first and second high strength fiber containing layers and joined in tubular form. The first and second flexible fabric layers face one another. The second glass fiber containing layer further is bonded to a thin, third flexible fabric layer. A substantially fluid impermeable layer is applied to the opposite side of the thin, third flexible fabric layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.