PRINTING UNIT HAVING PLATE CYLINDER AND INSERTION STRIP

摘要

PROBLEM TO BE SOLVED: To provide insertion strips which do not hinder access to a cylinder gap when the printing plate of a printing unit is replaced and also work as a roller gap preventing body. SOLUTION: Insertion strip driving devices 36 and 46 are installed for automatically moving the insertion strips 16 and 26 from a driving position 38 to stopping positions 36 and 46.