Patent 8646470 was granted and assigned to Frito-Lay on February, 2014 by the United States Patent and Trademark Office.
The present invention discloses a washer for washing produce such as potatoes. In one aspect, a debris removal section removes debris, such as rocks, and a sloped serpentine flume is used to gravity feed the produce through a serpentine flow path to remove the surface dirt and loosen any embedded dirt. The produce can be optionally routed to a spray washer to remove embedded dirt.