Patent ID: 8206033

Claim:
A self-standing bag comprising: a package for accommodating a content, wherein the package is formed into a bag shape by bonding edges of a plurality of sheets to each other, wherein a bond portion having a width is formed in an edge of the package; a port provided on a top of the package; and a reinforcing member for covering an outer face on a side edge of the package, wherein the reinforcing member is formed of a thermoplastic resin, wherein the reinforcing member is formed so as to cover an outer portion of the bond portion arranged in a side edge of the package, wherein the reinforcing member is formed by injection molding in such a manner as to expose an inner portion of the bond portion arranged in the side edge of the package, and wherein the reinforcing member has a U-shape cross-section wherein the lower end portion of the side edge of the package has a lower cutout, wherein the upper end portion of the side edge of the package has an upper cutout including an upper cutout face, wherein the bottom end of the reinforcing member is located above the bottom edge of the package, and wherein the top end of the reinforcing member is located above the upper cutout face.