Patent ID: 6125751
Filing Date: 2000-10-03
Classification: B41F,B41P,G03G

Abstract:
A digital web printing press section for multiply printing a recto and verso image on both faces of a medium with one type of ink comprising:a digital recording head,a cylindrical printing form, which is virtually divided into two semi-cylindrical circumferential halves, one half to carry an inking image corresponding to the recto image and the other half to carry an inking image corresponding to the verso image, said cylindrical printing form operatively coupled with said digital recording head and rotatable mounted in said printing press section for said digital recording head to record said recto and verso images on said cylindrical printing form,a first and a second impression station associated with said cylindrical printing form, each operative to repeatedly imprint on the face of the medium with an inked version of both of said recto and verso images carried by said cylindrical printing form,a medium inverter, andmeans for transporting the medium, in sequence, through said first impression station, said medium inverter and said second impression station, so that a first face of the medium is imprinted at said first impression station and the second face of the medium is imprinted at the second impression station.