Patent ID: 7210425

Claim:
A transport tank for live haul transport of aquatic life, the tank comprising: a tank body formed of molded plastic, the tank having a top, a bottom, opposing sidewalls, a length, a width, and an interior floor, the interior floor being formed with alternating ribs and grooves running longitudinally parallel to the length thereof; a plurality of aeration lines running along at least a part of the length of at least selected ones of the grooves in the interior floor; a perforated floor plate located atop the interior floor, the plate being arranged to cover at least that portion of the interior floor containing aeration lines within the alternating grooves; wherein each aeration line has an externally threaded end fitting, and wherein each line is connected to a sidewall opening of the tank body by means of a double threaded nut having inner and outer threaded surfaces, the outer threaded surface being threadedly engaged within mating threads provided in the sidewall opening, the inner threaded surface matingly engaging the externally threaded surface of the aeration line end fitting, whereby the aeration line can be removed from the tank groove by unthreading the double threaded nut from outside the tank and by then pulling the aeration line longitudinally out of the tank groove.