Center-spar fish pen

Details Center-spar fish pen Center-spar fish pen

A - Human Necessities

01

K

A01K 61/00 (2006.01) A01K 75/00 (2006.01)

Patent

CA 2108830

CENTER-SPAR FISH PEN Abstract of the Disclosure A spar-buoy pen that includes a net that is held open by a single elongated, substantially vertically oriented center spar is disclosed. The pen of this invention includes either a fixed center spar or a floating spar buoy that is substantially vertically aligned. Several pairs of radially disposed lines extend outward from the center spar at two locations that are longitudinally spaced apart from one another along the length of the center spar. A net is fitted over the radial lines such that the opposed top and bottom sections of the net are held apart from each other by the lines. The ends of the radial lines distal from the center spar are attached to anchor assemblies that urge the lines away from the center spar to hold the net in the open state. The net is further constructed so that a small portion of the top section of the net is located above the surface of the water. The top section of the net is formed with a drop panel that allows personnel in tender vessels to enter the pen space defined by the net to carry out culture operations on the marine life contained therein.

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