Patent ID: 8528807
Filing Date: 2013-09-10
Classification: B65D

Abstract:
1. A packaging container having a final shape obtained by forming a web shape packaging material having pleat lines and longitudinal and lateral directions into a tube-shaped packaging material, longitudinally sealing the tube-shaped packaging material in the longitudinal direction of said packaging material, filling fluid food into the tube-shaped packaging material, transversely sealing the tube-shaped packaging material in the transverse direction to form a transverse sealed portion, forming a pillow shape container by cutting at said transverse sealed portion, and folding a flap along a pleat line to form a portion of a top part of the packaging container, wherein the top part has a tilted surface tilting forward on a front side of said top part and a substantially flat surface adjacent to said tilted surface on a rear side of said top part, and wherein said flap derived from the formation of said top part folds over the top part and extends beyond side edges of the top part and onto a surface area portion of side-walls of the packaging container adjacent to said top part by the folding of said pleat line, the top part having six corners, and not more than six corners, where the side-walls and front and rear walls of the packaging container meet the top part.