| 摘要 |
PROBLEM TO BE SOLVED: To provide a pouring cap which prevents refill of a content even when it is removed from a container body.SOLUTION: A pouring cap 1 comprises: a base 2 which has a fitting cylinder 2a surrounding a mouth part 8a of a container body 7, and in which a take-out port 2e of a content stored in the container body 7 is formed in a top wall 2d connected to the fitting cylinder 2a; an inside plug 3 which has a top wall 3c fixed to the upper part of the mouth part 8a and having a through hole 3d, and is arranged inside the base 2; and a check valve 5 arranged between the top wall 2d and the top wall 3c for opening and closing the through hole 3d. The inside plug 3 has an annular wall 3a held to the base 2 so as not to slip out, and a weakened part 3i connecting the annular wall 3a and the top wall 3c in a breakable manner.SELECTED DRAWING: Figure 3 |
