| 摘要 |
<p>PURPOSE: An offset printing apparatus and method are provided to easily print a desired pattern on a substrate by enabling the paste covered on a blanket roll to be well printed on the substrate. CONSTITUTION: An offset printing apparatus(100) comprises a gravure roll(40), a blanket roll(30) and an air spray unit(20). The gravure roll rotates and paste is covered thereon. The blanket roll makes contact with the gravure roll to transfer the paste, rotates in the direction opposite to the rotation direction of the gravure roll, and prints the paste on a substrate. The air spray unit is installed around the blanket roll at a distance from it and sprays air onto the surface of the blanket roll.</p> |
