Apparatus for processing containing devices reciprocally connected components, a reception station, and a washing station, and configured to wash the components. The washing station includes a first washer to wash at least one component the components and a second washer machine to wash at least one other component. The apparatus includes a first robotized manipulator at entry to pick up and separate from each other the components of each containing device and to feed at least one of the components toward the first washer machine and at least one other of the components toward the second washer machine. The apparatus includes a second robotized manipulator at exit configured to pick up the components exiting from the first washer machine and from the second washer machine after they have been processed and to assemble them with respect to each other.
