Floating flexible tubes
US4377186A · kind A · utility
29Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1981 |
| Grant date | Mar 22, 1983 |
| Priority date | — |
| Expiry date | Jun 1, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L11/16
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A flexible buoyant conduit which includes a thermoplastic pressure-resistant stratum. The pressure resistant stratum is formed by spirally winding, and overlapping, a belt or band the cross-section of which is in the form of an elongated S-shape having a groove in the bottom wall of each channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.