| 摘要 |
PURPOSE:To prevent the generation of a roller mark in offset printing. CONSTITUTION:In an offset press wherein the ink from an ink apparatus is supplied to the surface of a plate through a plurality of form rollers and the damping water from a daming apparatus is supplied to the surface of the plate through a form-damping roller, the outer diameter of the first form roller (7) positioned at the foremost position is made almost equal to that of the form- damping roller (17). |
