Patent ID: 6698350
Filing Date: 2004-03-02
Classification: B41F,B65H

Abstract:
A satellite-type printing press for two side printing of a sheet of material comprising:a common pressure cylinder on which a sheet of material can be advanced from an upstream supply station to a downstream delivery station, first and second printing means angularly spaced around said common pressure cylinder for effecting color printing on said sheet of material while being advanced on said common pressure cylinder, and sheet perfecting apparatus disposed between said first and second printing means for inverting said sheet of material so that the first printing means prints on one side of said sheet of material and the second printing means prints on an opposite side of said sheet of material, said sheet perfecting apparatus comprising: first and second spaced conveyor means extending outwardly from said common pressure cylinder, and a perfecting cylinder between said first and second conveyor means, said first conveyor means gripping a front end of said sheet of material and conveying said sheet of material away from said common pressure cylinder, said perfecting cylinder gripping a rear end of said sheet of material and conveying the sheet of material around said perfecting cylinder towards said second conveyor means, said second conveyor means gripping the rear end of the sheet of material and advancing the sheet of material, rear end first, and returning the sheet of material now inverted to the common pressure cylinder for advancement through the second printing means for printing on said opposite side thereof.