METHOD FOR CUTTING LITHOGRAPHIC PRINTING PLATE MATERIAL LAMINATED BODY, LITHOGRAPHIC PRINTING PLATE MATERIAL, AND LITHOGRAPHIC PRINTING PLATE MATERIAL LAMINATED BODY

摘要

PROBLEM TO BE SOLVED: To provide a method for cutting a lithographic printing plate material laminated body for providing a lithographic printing plate material which is excellent in uniformity of image reproduction and hardly damage the other lithographic printing plate.;SOLUTION: In the method for cutting the lithographic printing plate material laminated body which cuts the lithographic printing plate material laminated body having a first protective member 4 on a substrate side of a laminated body in which a plurality of sheets of the lithographic printing plate materials 1 each having an image forming layer on an aluminum substrate are laminated by making the image forming layers in the same direction, and a second protective member 5 on the image forming layer side, by using a press-cutting blade 8, the thickness (T1) of the first protective member 4 is ≤400 μm, and the thickness (T1) of the first protective member 4 and the thickness (T2) of the second protective member 5 satisfy a relation of T1/T2≤0.9.;COPYRIGHT: (C)2010,JPO&INPIT