DEVELOPING DEVICE FOR PLANOGRAPHIC PRINTING PLATE

摘要

PURPOSE:To provide a developing device of planographic printing plate capable of rapidly processing, excellent in maintenance, capable of developing a small quantity of developer, small in waste solution, capable of obtaining a well- balanced printing image. CONSTITUTION:A liquid passage opening 2 for the developer is provided at one face of a developer vessel 1 and a slit opening part 4 is constituted so as to cover the liquid passage opening 2 from the outside of the developer vessel 1 with a sheet 3.