Patent ID: 7470062

Claim:
A packaging container comprising: a rectangular laminate film material, a palm-to-palm joined portion formed by overlapping and joining both longitudinal side edges of the rectangular laminate film material, forming a cylinder, the palm-to-palm joined portion being folded toward a remaining main part of the cylindrical member through a folding line set thereon; two latitudinal sealed portions, formed by sealing two open ends of the cylinder; and easy-tearing means comprising: two cutting lines formed in the palm-to-palm joined portion so as to laterally extend from an edge side of the palm-to-palm joined portion, and a further cutting line formed at a position on the main part of the cylindrical member near the folding line of the cylinder and extending across the folding line of the palm-to-palm joined-portion, said further cutting line having a depth less than the thickness of the laminate film material, said further cutting line intersecting on said palm-to-palm joined portion two lines extending from the two cutting lines, respectively.