Inverted filament winder for pipeline rehabilitation
US10377078B2 · kind B2 · utility
0Cited by
17References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 2018 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | May 10, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C63/0021
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A pipe lining apparatus having a settable, resin-impregnated reinforcement filament that is helically wound onto the inner surface of a pipe or pipe lining by an inverted filament winding apparatus, the apparatus having multiple spools and applicator arms to retain and apply the filament. The applicator arms may be aligned circumferentially or axially.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.