Patent ID: 7069859
Filing Date: 2006-07-04
Classification: B41P,G03C

Abstract:
1. A planographic printing plate packaging product comprising: a stack of planographic printing plates that each includes one surface as an imaging surface; and a packaging box that accommodates the stack of planographic printing plates, the packaging box including an entrance for manually taking out the printing plates accommodated therein; and a plurality of sheets of cardboard at intervals of the printing plates for protecting the printing plates from damage or deformation due to an external force acting on the packaging box; wherein the planographic printing plates are accommodated and packaged in the packaging box in a manner such that the imaging surfaces of the planographic printing plates are directed to a side opposing the entrance, and at least one of the imaging surfaces include a recording layer having a solubility that changes with respect to a developer when the recording layer is irradiated with a laser beam; and wherein the imaging surface of each planographic printing plate is completely covered with an interleaf sheet.