Inverted filament winder for pipeline rehabilitation
US10557586B2 · kind B2 · utility
0Cited by
17References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 13, 2019 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | Aug 13, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L55/26
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A pipe lining apparatus having a pressure sensitive adhesive backed 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.