| 摘要 |
PROBLEM TO BE SOLVED: To enable a food freshness keeping agent to be contained without being in contact with a sandwich and with a good appearance so as not to interfere with automatic packaging.SOLUTION: A packaging bag for a sandwich comprises a bag body in which, in a state where a pair of bag body constitution sheets 1 and 11 made of a plastic film are overlapped with each other and a prescribed top area remains as a header, a header/bag-body-section adhesive portion H1 in a lower portion of the header and side face adhesive portions H2 are allowed to adhere so that three sides of the bag body adhere. In the packaging bag for a sandwich, a triangular sandwich is inserted into the bag body above, and then an opening B is sealed. The bag body constitution sheets have a gas barrier property, and four sides of the header are sealed by using a header upper adhesive portion H4, header side adhesive portions H3 and H3, and together with the header/bag-body-section adhesive portion. The header/bag-body-section adhesive portion includes a non-adhesive portion R in a part thereof, and a food freshness keeping agent 21 is allowed to adhere to a portion between the header upper adhesive portion and the header/bag-body-section adhesive portion of one of the bag body constitution sheets. |
