US 6,668,717 B2 · Web-fed rotary printing machine

Abstract

In order to provide a rotary printing machine for direct printing, in which the printing-assembly cylinders are arranged in a space-saving way, there is arranged in side walls at least one double printing assembly containing two form cylinders which are located one above the other, each having its own drive motor and between which at least one impression cylinder is arranged, a web being printable between a form cylinder and an impression cylinder. Each form cylinder and the impression cylinder cooperating with the latter are mounted, adjustably in terms of their mutual spacing, in side walls of the printing unit. For this purpose, the adjustable cylinders are mounted on both sides in slides which are moveable on guide elements fastened to the side walls.

Claims20

Dependent claims

A web-fed rotary printing machine comprising at least one printing unit, each said printing unit comprising

a pair of side walls, and
at least one double printing assembly comprising two forme cylinders arranged one above the other, each forme cylinder being driven by its own drive motor, and at least one impression cylinder arranged between said forme cylinders so that a web can be printed between said impression cylinder and each of said forme cylinders simultaneously, each said cylinder having a pair of opposed ends, and
means for adjusting the mutual spacing between the impression cylinder and the forme cylinders, said means comprising slides in which both ends of at least one of said forme cylinders and said impression cylinder are mounted, said slides being moveable linearly on guide elements fastened to said side walls.

Dependencies are inferred from the claim text.

Web-fed rotary printing machine

Life of this patent

Web-fed rotary printing machine

Life of this patent

Abstract

Claims20