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Remote control floatation boom

Image Number 4 for United States Patent #5491922.

A floatable boom for concentrating brine shrimp eggs which are floating at or near the surface of a body of water. The floatable boom comprises a rigid, floatable tube, a skirt affixed to the lower portion of the tube and extending downward into the body of water, and a remotely controlled drive device for propelling the floatable boom through the body of water. The invention discloses two of the novel, floatable booms extending outwardly from a harvesting boat in a divergent manner, such that a wedge-shaped concentrating angle is formed between the booms. The invention further comprises a means of support for maintaining the wedge-shaped concentrating angle formed by the booms.

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