| 摘要 |
PROBLEM TO BE SOLVED: To achieve cost reduction while suppressing the leakage of a content from a communication hole to the outside when a container body is tilted.SOLUTION: In a cap, a communication hole 13 which communicates with the inside of a container body is formed, and a valve body 14 for opening or closing the communication hole 13 is provided. The outer peripheral edge of the valve body 14 and the inner peripheral edge of the communication hole 13 are connected through an elastic hinge part 32. By elastically deforming the elastic hinge part 32, the valve body 14 opens or closes the communication hole 13. A portion of the outer peripheral edge of the valve body 14 except for the connection portion with the elastic hinge part 32 is connected to the inner peripheral edge of the communication hole 13 through a first weakened part 33 that is breakable throughout. |
