| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic tape cassette which can easily and efficiently be disintegrated without damage when a base body and a window member of the cassette discharged after use are recycled as new raw materials by disintegrating and separating them, and to provide a method for manufacturing the same, a method for molding a resin molding and a resin product in multicolors, and a method for destroying and separating different materials. SOLUTION: The magnetic tape cassette has the base body with an opening part for forming the transparent window, and a transparent window member 178 made of a resin mounted to the opening part. A locking means 178a to be fitted in the base body from an oblique direction is arranged at the window member side, and a locking part formed in an oblique direction corresponding to the locking means is arranged at the base body side. The window member is fitted in and mounted to the opening part from the oblique direction.
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