Improvements in multi-color printing machines of steel engravings. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in multi-color printing machines of steel engravings, especially for the manufacture of value effects and banknotes, endowed with a protective bottom, with a printing plate at least, a number of inking devices corresponding to the number of the different colors, at least one cleaning cylinder and a pressure cylinder, characterized in that at least one of the inking devices, for inking an area of the particular printing pattern formed by recording gaps recorded in the printing plate, is composed of a clichº that passes over the printing plate and that, in order to perfectly adjust the registration and for the correction thereof, it is held in an adjustable manner on a support cylinder. (Machine-translation by Google Translate, not legally binding)