| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inflation fill packaging type self-standing packaging bag with a gusset that has high self-standing stability by having an artful gusset structure. <P>SOLUTION: A self-standing packaging bag 11 with a gusset has three bottom ribs 35-37 at a bag bottom, which serve as parts of a bag stand. Further, the packaging bag 11 has corner bottom ribs 41-44 which stand by themselves at a left front lower corner, a right front lower corner, a left rear lower corner, and a right rear lower corner on a bag lower side respectively, which serve as the remaining parts of the bag stand. <P>COPYRIGHT: (C)2013,JPO&INPIT |
