| 摘要 |
PROBLEM TO BE SOLVED: To obtain a pilfer-proof cap which can seal again and does not come off carelessly even the container is made of a relatively deformable material. SOLUTION: A pilfer-proof cap 1 has mutually connected pilfer-proof rings provided with the external wall 15 at the periphery of the top face of the cap, a thin breakable line 16 in the peripheral direction of the external wall 15, and a lug 17b under the thin breakable line 16. A fixing part 18 protruding inward is formed at the upper position than the thin breakable line 16 and a fin 19 using a horizontally extending folded line as a fulcrum and protruding to the upper inside, is provided in the pilfer-proof ring 17. |
