| 摘要 |
PROBLEM TO BE SOLVED: To provide a pillow gusset package with a spout showing a good texture. SOLUTION: When a gore part is opened, a connection part of the front surface part and the gore part and a connection part of the back surface part and the gore part are bent to form the bottom surface part of the pillow gusset package with the spout. In the pillow gusset package with the spout, a partial heat seal (I) is formed at least in the area within a radius of 12 mm having a center at the part to be bent of the connection part of the front surface part and the gore part and in the area within a radius of 12 mm having a center at the part to be bent of the connection part of the back surface part and the gore part. COPYRIGHT: (C)2011,JPO&INPIT |
