Inverted filament winder for pipeline rehabilitation
US10473256B2 · kind B2 · utility
0Cited by
36References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2018 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | May 10, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L55/18
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pipe lining apparatus having a resin-impregnated reinforcement filament that is helically wound onto the inner surface of a tubular first lining layer disposed within a pipe by an inverted filament winding apparatus, the apparatus having a spring-loaded, articulated frame which maintains an orbiting applicator assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.