| 摘要 |
PURPOSE:To ensure a high contrast for the print display applied to a transparent wall part of a case by forming a rugged pattern at the transparent wall part of a recognizing window for remaining tape wind amount and giving the print display to the area corresponding to the part of said rugged pattern. CONSTITUTION:A rugged pattern 6 which secures the concealment properties is formed at a part of the inside and/or outside surface of the transparent wall part of a case 1 which forms a recognizing transparent window 5 for remaining tape wind amount. Then a print display 7 is given to the area corresponding to the position of the pattern 6. The transparent wall part of the case 1 becomes semitransparent or opaque by the pattern 6 although the display 7 is given to the transparent wall part of the case 1. Thus the display 7 can be recognized with a high contrast at the area where the pattern 6 exists. In addition, the pattern 6 can be formed simultaneously and in a single body in a metallic mold process when the transparent wall part of the case 1 is formed. Thus the display 7 is attained directly with no special foundation process required to improve the mass productivity.
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