| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for molding a key top in which characters and patterns printed on a base material are not deformed by molding. SOLUTION: The base material 10 having a piece-shaped material 11 on which the characters and the patterns are printed is prepared, a fixed mold 100 and a movable mold 200 are closed, the injection molding of an inner shell 20 is done, the molds are opened, the movable mold 200 are rotated by 180 degrees, the base material 10 is mounted on the opening of an outer shell molding cavity 110 corresponding to the inner shell 20, the movable mold 200 and the fixed mold 100 are closed again, the material 11 is press-cut by the inner shell 20 and retained in the cavity 110, an outer shell 30 is molded by an injection apparatus, the outer shell 30, the inner shell 20, and the material 11 are connected integrally, and the key top 40 of a letter key having the characters and the patterns is finished. |
