| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a paper container containing content capable of easily detecting release of a seal of a paper container due to a pinhole or the like.SOLUTION: In a paper container 1 containing content where liquid-like content 2 is sealed and packaged in a reduced pressure state by a paper container 3, the paper container 3 comprises a window part 8 capable of visually recognizing the content 2, and liquid level H2 of the content 2 is arranged in a window part 8 after drop of the contents 2 when a sealed state of the paper container 3 is released.</p> |
