Method and installation for laying a cylindrical pipe on a support
US6899842B1 · kind B1 · utility
12Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2000 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Mar 1, 2020 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2403/0243
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process and plant for laying a pipe in a trench comprising placing a flattened tubular preform in the trench, the perform having a reinforcement surrounding an inner seal, the reinforcement being impregnated with a resin, and inflating the perform in the trench.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.