LIGHT SHIELDING PACKAGE FOR BELT-LIKE PHOTOSENSITIVE MATERIAL

摘要

PROBLEM TO BE SOLVED: To prevent light shielding property from getting imperfect due to failure on the condition of folding like a chrysanthemum (radial wrinkle) caused by the curl of packaging material for side surface of the belt-like photosensitive material. SOLUTION: This package is constituted so that the packaging material for the side surface is folded like a chrysanthemum and fixed. The packaging material whose take-up direction at the time of aging after lamination in production is opposite to its take-up direction after it is slitted to width suitable when it is used as the packaging material for the side surface thereafter is used as the packaging material for the side surface 14 which is folded like a chrysanthemum.