| 摘要 |
PROBLEM TO BE SOLVED: To make the recapping after a cap is once opened impossible in commodity distribution channel. SOLUTION: An inward flange 12 is provided on the upper end of a peripheral wall 11 which is fitted on the external surface of the mouth section 3 of a container body, and from the inner periphery of the flange, a discharging cylinder 14 of which the lower section is formed into a first tapered cylindrical section 13 with a larger lower diameter, is erected, and the upper section of a cylindrical plug 22 which is vertically hung from the rear surface of a top plate 21, is fitted in the internal surface of the upper section of the discharging cylinder 14, and also, the lower section of the cylindrical plug 22 is formed into a tapered shape with a larger lower diameter by heating, and is fitted in the internal surface of the lower section of the discharging cylinder 14, and the cylindrical plug 22 is formed in a manner to be removable from the discharging cylinder 14 by an upward removing force of the discharging cylinder 14, by an elastic deformation of the lower section of the cylindrical plug 22. |
