| 摘要 |
A bottom structure of a paper box for storage of liquid which includes four bottom panels connected to four side panels, respectively, each of the side panels being connected to an adjacent side panel along first folding lines, the bottom panels being connected to the side panels along second folding lines. The bottom panels are interconnected by third folding lines wherein the difference between a length of respective adjacent third folding lines of the second and fourth bottom panels is at least 10 mm and the cut-edge of the first bottom panel is parallel to at least one of the second folding lines. |
