Unbonded reinforced plastic pipe
US11629801B2 · kind B2 · utility
0Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2021 |
| Grant date | Apr 18, 2023 |
| Priority date | — |
| Expiry date | Feb 26, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2597/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Pipe body for an unbonded reinforced thermoplastic pipe (uRTP), the pipe body including a fluid retaining liner, an intermediate layer located radially outwardly of the fluid retaining liner, and a protective sheath located radially outwardly of the intermediate layer. The pipe body includes an end portion for terminating the pipe body at an end fitting. At the end portion, the intermediate layer is bonded to the fluid retaining liner. Away from the end portion, the intermediate layer remains unbonded to the fluid retaining liner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.