| 摘要 |
PROBLEM TO BE SOLVED: To provide a pouch container which is excellent in self-standing stability and shape retainability and is capable of volume reduction and can secure fluid tight property between a body part and a bottom part enough and automation of bag-making of which is easy.SOLUTION: A pouch container 1 includes a container body 4 which is prepared by using a body film and a bottom film with a double-layered structure having at least a base material layer and a sealant layer and which has a body part 2 composed by jointing single or two or more body films in a tubular shape putting the sealant layer inside, and a bottom part 3 composed of the bottom film closing lower end opening of the body part 2 in fluid tight state putting the sealant layer to the side of the body part 2. A jointing part 2a, which is protruded outside and has a flange shape with an endless ring shape, is provided at the lower end of the body part 2 by bending the lower end part of the body part 2 outside, and the bottom part 3 closing the lower face of the body part 2 is provided at the container body 4 by welding the outer periphery of the bottom part 3 at the lower side of the jointing part 2a and also a ring lower jointing part 4a protruding outside is provided at the lower end part of the container body 4. |
