| 摘要 |
<p>PURPOSE:To obtain a liquid packaging box with a measuring window, which allows a consumer to accurately recognize the residual amount of liquid in the box from outside. CONSTITUTION:A liquid packaging box with a measuring window is a liquid packaging box 1 which is made by folding a sheet of waterproof paper into a specified shape and has a transparent or semi-transparent window 2 with a graded scale 3 printed along the window 2 to indicate the volume of the content. When the window 2 is made of paraffin-impregnated paper, it is excellent in strength, and when it is positioned at the corner of the packaging box 1, the recognizabiliy with eyes can be improved.</p> |
