Patent ID: 9650193
Date: 2017-05-16
CPC Classifications: B65D

Claim:
1. A self-standing pouch in which a first side-surface film, a second side-surface film, and a bottom film sandwiched therebetween are joined together, peripheral portions thereof are sealed to form a storage part, and the bottom film serves as a lower bottom surface of the storage part, the self-standing pouch comprising: a non-sealed region provided in a side edge portion corresponding to a region where peripheral portions at side ends of the first side-surface film and the second side-surface film are sealed, the non-sealed region being a region not sealed over a predetermined length in a top-bottom direction, and an opening provided at a position near an upper end of the non-sealed region, the opening being formed penetrating through at least one of the first side-surface film and the second side-surface film, wherein the non-sealed region includes an air filling portion which takes therein, through the opening, air blown out from an air blowout hole of an air nozzle having a tip surface disposed at a position a predetermined distance apart from the opening, and the air filling portion is not sealed within a predetermined radius larger than a radius of the air nozzle from a center of the opening such that, when the air filling portion expands due to an increase in an internal pressure, a part near the opening is closely adhered to the tip surface of the air nozzle, and the opening includes a slit having a length longer than a diameter of the air blowout hole of the air nozzle and shorter than a diameter of the air nozzle.