The washing machine has a mobile washing container (1) with a spray head (3) working in an area defined by the panels and sheet tube (8). The container has an upper casing with inner face mounted spray rails (14) extending through the upper side (10). The collecting trough (18) has nozzles (16) with their longitudinal axis extending perpendicular to the horizontally extending spray rail. The troughs define a channel in their covering layer with a sharp edged ellipsoid form in cross section an evolve in their longitudinal section to a circular section cut out. with the jet openings within a position outside of the deepest position of the trough.
