Patent ID: 8641279

Claim:
A packaging bag, the packaging bag comprising: a bag body comprising opposing flat surface portions and a corner portion including insertion through-holes for insertion respectively formed in the flat surface portions; a spout unit fused to the bag body and being configured to remove inner content out from the bag body through the spout unit, the spout unit including a pair of wall surface portions opposing each other, the wall surface portions having central foldable lines at portions forming center lines of the respective wall surface portions, the central foldable lines being configured to fold the wall surface portions; a fastener comprising a male fastener element and a female fastener element provided on inner surfaces of the paired wall surface portions and opposed to each other, the male fastener element and the female fastener element being configured to engage with or disengage from each other to thereby open or close an opening of the packaging bag when the packaging bag is seal-opened, the fastener being bent to be convex toward an inside of the bag body; and pick-up tabs provided on outer surfaces of the wall surface portions at areas corresponding to or near a mounting portion of the male fastener element and a mounting portion of the female fastener element, respectively, so as to project outward of the flat surface portions of the bag body, the pick-up tabs corresponding to portions of the wall surface portions where the fastener is bent and are formed parallel with the central foldable lines, the pick-up tabs being configured to be inserted into the insertion through-holes from the inside of the bag body and project outward of the flat surface portions of the bag body.