| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging bag excellent in productivity by a highly simple structure, capable of suppressing materials required for reinforcement to a minimum extent, and capable of surely reinforcing handle holes of a paper bag. <P>SOLUTION: The handle holes 6, 6 with a required shape are formed near the opening part of side face plates 4, 4 facing each other in a fore and aft direction of a bottomed bag body 5 of paper and reinforcing materials 7 are affixed to at least one of the side face plates substantially parallel to a bottom face such that the part of the same overlap the handle holes 6, 6 below the upper edge parts of the handle holes 6, 6 in the packaging bag. <P>COPYRIGHT: (C)2012,JPO&INPIT |
