Flexible flowline for conveying fluids
US6145546A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1999 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Nov 17, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L11/16
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Flexible pipe for transporting fluids, comprising, from the inside outwards, a flexible metal carcass with a helical winding of non-contiguous turns, a compressible rod fitted into the gap between the consecutive turns of the helical winding, the compressible rod has a substantial volumetric deformation in compression of at least 50%, an internal sealing sheath extruded over the said metal carcass, at least one ply of armours wound around the said internal sealing sheath and at least one external sealing sheath arranged around the said ply of armours, the rod, its materials, its elastic modules and other features thereof are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.