| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a packing bag that prevents leak of contents while preventing outer air from entering the packing bag after it is opened. <P>SOLUTION: A pickup port 3 with a lid body 8 that is communicated into the packing bag is provided in part of edges in a laminate 4 forming a front surface and a laminate 5 forming a rear surface. A partition part 22 for partitioning a region into two regions, the first region 9a and the second region 9b is formed. A check valve 26 that flows the contents of the second region 9b into the first region 9a but does not take in the contents and air from the first region 9a into the second region 9b is provided in the partition 22. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
