B05B 13/0672

Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups [CPC: B05B1/00] - [CPC: B05B11/00] specially designed for treating the inside of hollow bodies {the hollow bodies being rotated during treatment operation and the inclination or the distance of a treating nozzle being modified relative to the rotation axis, e.g. for treating irregular internal surfaces}