Connecting and cathodic protection
US11320068B2 · kind B2 · utility
1Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2018 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | May 4, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F2213/32
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flexible pipe body and a method of providing electrical continuity are disclosed. The flexible pipe body comprises a first armour layer formed from a helical winding of a metal tape element, a further armour layer formed from a helical winding of a further metal tape element, and at least one intermediate layer between the first and further armour layers, said intermediate layer comprising a helically wound electrically insulating tape element (8000, 8001, 8002, 8003, 8004) and a helically wound electrically conductive tape element (8100, 8101, 8102, 8103, 8104).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.