Patent ID: 8033220

Claim:
A method of imprinting a plurality of vial units comprising the steps of: (a) providing the plurality of vial units onto a conveyor belt, each vial unit comprising a series of individual vials; (b) positioning the vial units adjacent a plurality of cleats on the conveyor belt; (c) engaging a first offset inking transfer device on a first side of said vial units; (d) engaging a first back-up roller against said vial units, said first back-up roller being placed opposite said first offset inking transfer device; (e) capturing the vial units between said first back-up roller and said first offset inking transfer device as the conveyor belt moves the vial units; (f) printing a first ink onto each of the vial units with said first offset inking transfer device; and (g) curing the first ink with a first ultra violet dryer.