Submergible fish cage
US5299530A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1992 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | Jul 17, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A40/81
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A submergible fish cage comprising: a float; a fish cage; at least one (1) anchor weight; and at least one (1) cable, one end of the cable attached to the float element, a middle portion of the cable attached to the fish cage, the bottom end of the cable attached to the anchor element, the cable being shorter than the depth of the water in which the submergible fish cage is placed; the float having a trim tank adapted to be flooded with water, the trim tank adapted to be blown free of water with air, the float element having a minimum of buoyancy sufficient to float itself supporting the fish cage and cable when the trim tank is flooded with water, the float element having a maximum of buoyancy sufficient to float itself supporting the fish cage, anchor weight and cable when the trim tank is charged with air; and the anchor weight having sufficient weight to submerge the float, cage, cable and anchor weight when the trim tank is flooded with water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.