Apparatus for plating articles and method of making same

Claim 1

IN AN APPARATUS FOR TREATING ARTICLES, A BARREL COMPRISING END WALLS AND A ONE PIECE PLASTIC SIDEWALL, SAID SIDEWALL INCLUDING LONGITUDINALLY EXTENDING ARCUATE SECTIONS SPACED FROM ONE ANOTHER TO PROVIDE AN ARTICLE INLET AND OUTLET OPENING AND FORMING SUBSTANTIALLY APPROXIMATELY HALF THE PERIPHERY OF THE BARREL AND SAID SIDEWALL FURTHER INCLUDING A PLURALITY OF ANGULARLY DISPOSED TUMBLING PANELS BETWEEN SAID ARCUATE SECTIONS AND SUBSTANTIALLY COMPLETING THE REMAINING PERIPHERY OF THE BARREL, AND ARCUATE SECTIONS TERMINATING IN FREE MARGINAL PORTIONS, ONE OF SAID MARGINAL PORTIONS BEING LOCATED SUBSTANTIALLY INWARDLY FROM THE OTHER MARGINAL PORTION TOWARD THE AXIS OF THE BARREL AND PROVIDING WITH THE CONTIGUOUS ARCUATE SECTION A DISCRETE SUBSTANTIALLY RADIAL POCKET WITH A GENERALLY SMOOTH GRADUALLY CURVED SURFACE MERGING WITH THE ADJACENT TUMBLING PANEL AND OPERATING TO TRAP WITH REDUCED AGITATION ARTICLES ACCUMULATING THEREIN FROM THE ANGULARLY DISPOSED TUMBLING PANELS WHEN THE BARREL IS ROTATING IN THE TREATING DIRECTION WHEREBY TO PREVENT ARTICLES FROM THE BOUNCING OUT OF THE BARREL THROUGH THE SPACE BETWEEN THE SAID MARGINAL PORTIONS.