ANTI-MARKING METHOD AND APPARATUS FOR USE WITH PERFECTOR CYLINDERS OF ROTARY SHEET-FED PRINTING PRESSES

摘要

ANTI-MARKING METHOD AND APPARATUS FOR USE WITH PERFECTOR CYLINDERS OF ROTARY SHEET-FED PRINTING PRESSES A method and apparatus for use with a grooved perfecting cylinder in a sheet-fed rotary printing press of the type capable of one sided or two sided sheet printing, the apparatus including a substantially rigid covering having a friction reducing coating thereon and which can be quickly and easily installed and removed over the sheet supporting surface of the perfecting cylinder when the press is operated in the one sided printing mode to permit an anti-marking fabric net to be installed and used over the sheet supporting surface of the perfecting cylinder.