Patent ID: 7114444
Filing Date: 2006-10-03
Classification: B31B,B41P

Abstract:
1. In an in-line apparatus for creating paperboard carton blanks from a unitary paperboard web formed from at least first and second continuous webs of paperboard material moving at approximately the same rate of travel through the apparatus, wherein the second web is pre-printed, an apparatus for printing the first web of paperboard material before the first and second webs are joined to define the unitary paperboard web, such that the printing on the first web is controllably registered to the printing on the second web, the apparatus comprising: A printer for repetitively applying indicia to the first continuous web of paperboard material at predetermined intervals along the longitudinal axis thereof as the first continuous web moves through the printer, the printer including a motor-driven printing cylinder having a circumferential printing surface, and an impression cylinder; At least a first sensor operative to detect reference marks pre-printed on the second web at predetermined intervals along the longitudinal axis thereof; At least one encoder operative to generate signals corresponding to the rotational speed of the impression cylinder; and A computer controller: