摘要 |
<p>FIELD: issue of protected securities. SUBSTANCE: machine to print protected securities has device feeding paper in the form of sheets, device to feed paper into printing section, device feeding printed sheets into gear testing quality and unit to store printed sheets. Printing section is made of modules for accommodation to various types of protected printing and comprises elements common for all types of printing. These common elements form gear for stencil process with stencil cylinder interacting with pressure cylinder and unit below it for drying/activation with cylinder transporting paper towards second pressure cylinder. The latter interacts with one device printing protection element as minimum. EFFECT: provision for diversified protection printing thanks to certain selection of elements building up machine. 8 cl, 4 dwg</p> |