INNER BAG FOR BAG-IN-BOX TO PUSH OUT AND INVERT INNER LAYER BAG, AND METHOD FOR TAKING OUT CONTENT

摘要

PROBLEM TO BE SOLVED: To provide an inner bag for a bag-in-box which can easily take out contents even when the contents are heavy or are charged from a high position. SOLUTION: In the inner bag for the bag-in-box in which an inner layer bag is inserted in an outer layer bag, and an inner surface of the outer layer bag is joined with an outer surface of the inner layer bag in a vicinity of both opening parts, a non-sealed portion is provided on a bottom sealing portion of the outer layer bag. Preferably, a spout bonded to the inner layer bag is inserted in a hole of the outer layer bag. Preferably, the width of a bottom portion of the inner layer bag is set to be smaller than the width of the opening part of the inner layer bag. COPYRIGHT: (C)2004,JPO