| 摘要 |
PROBLEM TO BE SOLVED: To provide a case body of a disk cartridge and the like, whose coloring state can be dramatically changed according to the difference of the angle and the direction when the case body is viewed and elegance and commodity predominance on design can be effectively exhibited as compared with conventional one. SOLUTION: The case body 2 is formed by using a plastic material with which polarization pigment is kneaded to change the coloring state and the color pattern diversely according to the difference of the angle and the direction of light when the case body 2 is viewed. An irregular reflection part 8 is provided at a part of the case body 2 to differentiate the color pattern and the coloring state at the irregular reflection part 8 from some at the other part. The elegance and the commodity predominance on design of the case body 2 are enhanced and the commodity image can be enhanced, since the coloring state and the color pattern are dramatically changed as compared with the conventional case body.
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