ES206138A3 - Procedure for printing metal engravings (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Process for the printing of engravings on metal consisting essentially of starting from sheets or plates of a preferably soft metal such as aluminum tin lead or aluminum and tin alloys of variable thickness and of suitable dimensions on whose sheets or plates a deep weft is transferred previously obtained in a direct clichº whose pattern responds to the surface without delimiting or profiling the original drawing to be reproduced by carrying out the transfer of said frame by simple pressure of the indicated clichº on the metal piece to be printed, followed by the transfer of a second screen of lesser depth than the first and arranged in a different sense to the effect that the crossing of such frames gives rise to an embossing with tiny cells for the retention of the ink making the inking of the sheet or metal plate at the same time that the second screen is printed which is obtained thanks to a second clichº direct pr eparado on the same original drawing and completing the procedure with the profiling of the different areas of the drawing whose profiling is carried out by transferring to the sheet or metal plate already provided with the previous cross-hatched and inked the contour lines reproduced in a third clichº to the pen of the basic drawing corresponding to this last operation the inking of said profiles to delimit on the metal the different areas of the graph using oxidation drying inks throughout the process. (Machine-translation by Google Translate, not legally binding)