| 摘要 |
PROBLEM TO BE SOLVED: To realize an dishonest unsealing prevention device for firmly setting an dishonest unsealing prevention ring on a bottle main body and provided with good molding properties. SOLUTION: The dishonest unsealing prevention ring 8 is integrally molded through a connecting piece 7 on the lower section of a cylindrical wall 51 of the cap 5 with a screw 6 provided on the inner wall face, and a screw section 3 meshing with the screw 6 and a neck ring 31 set below the screw section are provided on a neck section 2 of the bottle main body 1, and the dishonest unsealing prevention ring 8 is cut off the cap 5 by the revolution of the cap 5 on unscrewing the cap 5 to identify the unsealing of the cap, and an inclined face 9 to be disposed inwardly downward is formed on the lower end of an inner wall face of the dishonest unsealing prevention ring 5, and an engaging elastic piece 4 to be foldable and deformable and brought into contact with the inclined face 9 of the ring 8 in the unscrewing of the cap 5 and setting the dishonest unsealing prevention ring 8 on the bottle main body 1 is provided on the lower section of the screw section 3 of the bottle main body 1.
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