Method and apparatus for internal spray cleaning of containers

摘要

The present invention applies pressurized air and vacuum to container interiors as they are being conveyed through the cleaning station in the course of their forward travel. Cleaning according to the invention occurs through the combined action of a plurality of air jets which dislodge any foreign matter from the container interior and a vacuum drawn through an arcuate slot evacuates and draws out the dislodged contaminents. The aforementioned operation taking place as containers continuously advance in a circular conveyor in the opening down position. After this operation, the containers are urged to assume a horizontal position and are subsequently oriented into the opening up position for travel to a new work station.