| 摘要 |
PROBLEM TO BE SOLVED: To provide a block copy sheet for a lithographic printing plate which allows the easy fitting, with successful register precision, of a lithographic printing plate, especially a flexible printing plate with paper or a plastic resin film used as a support. SOLUTION: This block copy sheet for a lithographic printing plate is used for fitting the printing plate in a lithographic printing process and has a pattern printed in a net or a linear pattern on one surface of the film. This printing pattern represents an image through which air passes from the center to both ends and an under surface of a plate cylinder. Also, the printing method using this block copy sheet is provided. COPYRIGHT: (C)2005,JPO&NCIPI
|
