| 摘要 |
PROBLEM TO BE SOLVED: To provide a blow molding double container which can eject a content by a dead weight, moreover, can perform smooth ejection with squeezing of an outer layer body when the remaining amount of the content gets little and does not cause increase of cost.SOLUTION: A pair of adhesion belts 40 which are arranged respectively on both sides holding a pinch-off part and between an outer layer body 20 and an inner layer body 30, and are extended from a mouth part 11 to the pinch-off part 24 are provided, edges 41 of the pinch-off part 24 sides of the pair of adhesion belts 40 are arranged only on partial areas of the pinch-off part 24 so as to be opposed to each other, and external air introduction holes 24b are formed on both sides of the areas while stripping the outer layer body 20 and the inner layer body 30 from each other. |
