| 摘要 |
PROBLEM TO BE SOLVED: To provide a new double container which enables cost reduction while maintaining a function for preventing intrusion of outer air into a loading space.SOLUTION: A double container 1 of the invention includes: an outer layer body 20 housing an inner layer body 10 at the inner side; an inside plug 30 having an opening 33 leading to a loading space S; and a spout cap 50 which has a top wall 52 including a spout 53 leading to the opening 33 and is attached to a mouth part 22 while housing the inside plug 30 at the inner side. The spout cap 50 has: an elastic part 54 integrally connected with the spout cap 50; and a valve body part 55 which is integrally connected with the elastic part 54 and closes the opening 33 with a biasing force of the elastic part 54.SELECTED DRAWING: Figure 1 |
