Marine buoyancy modules and units
US6821055B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 17, 2002 |
| Grant date | Nov 23, 2004 |
| Priority date | — |
| Expiry date | Sep 17, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2231/72
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A cylindrical buoyancy unit is composed of separate sections which are held together to surround a marine object such as a riser or pipe with additional conduits. The sections combine to define an internal cavity which is shaped to conform with the marine object. Each unit section is a thermosetting resin composite with a bulk interior of syntactic foam and an outer layer of different characteristics and an intermediate reinforcement layer. The intermediate layer is disposed close to the outer layer and is mechanically embedded but not tightly bonded into the structure. The intermediate layer is made as a mesh of high strength polymer fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.