Patent ID: 6537430
Filing Date: 2003-03-25
Classification: B65G,C25D

Abstract:
A system for treatment of pieces in a bath, comprising:a plurality of rotatable tumbling barrels, each having perforated walls, and a plurality of supporting frames each frame for rotatably supporting a respective barrel with the barrel axis of rotation being horizontal, each said barrel and supporting frame forming a barrel assembly, a plurality of treatment baths arranged in succession, at least one direction of advance of the barrels in the system being defined by said baths, and at least one of said treatment baths being an extended bath that is dimensioned in a direction of advance to accommodate simultaneously a plurality of barrel assemblies, and a rail assembly extended in a direction of advance at least along said extended bath, said rail assembly comprising an electrical conductor structure; wherein, a number of said barrel assemblies concurrently have their respective barrels in at least one of said extended bath arranged with their axes of rotation substantially aligned longitudinally according to the direction of advance, wherein, a plurality of said barrel assemblies have a slideable support structure operative to engage said rail assembly and enable said at least one barrel assembly to be supported in at least of said extended bath and to slide in said at least one direction of advance, and wherein a plurality of said barrel assemblies have an electrical contact operative to engage said electrical conductor structure as said barrel assemblies are moved in said at least one direction of advance.