OFFSET PRINTING DEVICE

摘要

PURPOSE: An offset printer is provided to reduce a driving load of a doctor unit by reducing the amount of paste on the surface of a gravure roll. CONSTITUTION: An offset printer(1000) comprises a paste feeding unit(20), a gravure roll(30), and a doctor unit. The paste feeding unit supplies paste. The gravure roll is rotated, and has concave grooves(301). The concave grooves accept the paste supplied from the paste feeding unit. The doctor unit is contacted with the surface of the gravure roll, and cleans the paste on the surface of the gravure roll.