The tipper trailer with flowing doors (RB2/PS1) is the means with the greater number of existing applications to the day: it concurs to transport indifferently products jell-mell, palletized cargos, coils or liquids in reservior to passing.It achieves some that the profit of all your distances turns out guaranteed.An other advantage is in the reduction of the times of cargo and drainage: the means can be loaded are from above for the goodses in bulk (with drainage through upsetting) are laterally for the palletized freights, without more problems than length. In fact, thanks innovating and patented system of opening of the fixed, but flowing lateral doors to all amplitude without fixed stops, in a remarkable inferior time regarding the systems classics and without more problems than opening - closing fully loaded is succeeded also in opened atmospheres, without bridge-laying tanks or crane, but with a simple one eddy to load - to unload goodses with equal length to that profit of the van.