| 摘要 |
PROBLEM TO BE SOLVED: To provide a making tube molded object of high quality generating no irregularities on a marking display surface, having a fear of no abrasion or no contamination, generating no blurr on a colored part and excellent in chemical resistance. SOLUTION: An outer resin layer 1 not containing a substance changed photochemically by laser beam and an inner resin layer 2 containing the substance changed photochemically by laser beam are provided and the substance changed photochemically by laser beam contained in the inner resin layer 2 is changed to form a marking part 3 and the outer and inner resin layers 1, 2 are integrally formed so that no gap is present in the interface 4 between both layers. |
