Patent attributes
An apparatus for printing onto closed vial units. The vial units are formed in a series and the vial units have a drug therein. The apparatus comprises a conveyor belt for moving the vial units, with the conveyor belt having spaced cleats. A first side of the vial units is placed on the conveyor belt. The apparatus further comprises a printhead for printing an ink pattern onto the vial units, with the printhead configured to print to the first side, and a back-up roller configured opposite the printhead, with the back-up roller being a cylindrical member that contains an indented profile placed about the cylindrical member reciprocal to the vial units. The apparatus further includes a dryer positioned to receive the vial units from the printhead and provide for drying of the ink pattern from the printhead.
