A procedure for the manufacture of metal molds applicable to the plastics industry (Machine-translation by Google Translate, not legally binding)

摘要

A process for the manufacture of metal molds applicable to the plastics industry, characterized in that a metallic model is first constructed, such as those used in foundries to make molds in sand, which is polished, nickel-plated and then polished to be used to obtain by successive metallic deposits on it, the desired mold or negative. (Machine-translation by Google Translate, not legally binding)