Barrier curtain
US5154537A · kind A · utility
20Cited by
15References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1991 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | May 28, 2011 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B15/0885
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for reducing sedimentation in ship berths including one or m modules, spanning the entrance of a ship berth and providing a continuous, homogeneous, impervious barrier, each module including a base located on the sea floor, an accordion type curtain extendable in the vertical direction and attached on its bottom side to the base, a float attached to the curtain on the top side, a primary operating system for raising and lowering the curtain and a secondary operating system for raising the entire apparatus to the sea surface for repair or removal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.