A - Human Necessities – 01 – K
Patent
A - Human Necessities
01
K
A01K 61/00 (2006.01) A01K 61/02 (2006.01)
Patent
CA 2145338
Apparatus for retrieving dead fish and unused feed from a fish farm sea cage including an inwardly tapered net extending downwardly from the vertical wall part of the sea cage and terminating at the bottom in an opening. A funnel like collector is attached to the net at such opening and has an inlet end within the net and an outlet end exterior to the net. A conduit is connected at one end thereof to the outlet end of the collector and at the other end discharges into a dewatering box. An air diffuser is connected in series with the conduit at a location below the water surface in which the sea cage is located. The diffuser has a plurality of perforations for injecting air therethrough into a column of water in the conduit. The conduit is connected to the collector preferably by a swivel joint.
Nutreco Canada Inc.
Perley-Robertson Hill & Mcdougall Llp
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