| 摘要 |
<p>A side-gored bag comprising a first panel film (1A), a second panel film (1B), a pair of V-members (2) forming side gussets, and a zipper device (3) consisting of a first zipper tape (3A), and a second zipper tape (3B), upper edges of the V-members being situated downwardly displaced by distance w from upper edges of the first and second panel films, the first zipper tape having a first meshing rib (3a) and bonded in a horizontal position to the first panel film over an area of the panel film which extends by a distance of W (W>w) from its upper edge in such a manner that both the lower side of the zipper tape and the first meshing rib are situated below the upper edges of the V-members so as to cover an upper part of each V-member, the second zipper tape having a second meshing rib (3b) and bonded to said second panel film in such a manner that the second meshing rib is aligned with the first meshing rib, with the bag thus fabricated having been sealed in necessary marginal positions.</p> |
