| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap seal fitted with a top plate capable of simply pinching a tab part, easy to open and high in sealability preventing the invasion of insects or the like into a cap seal main body. SOLUTION: A cap seal has a top plate capable of closing the opening part of a container and the cap seal main body 3 constituted so that the upper peripheral edge part 3a is bonded to the upper surface peripheral edge part 2a of the top plate 2 and mounted on the upper body part of the container by heat shrinkage and a tab piece 5 is provided to a part of the upper peripheral edge part 3a of the cap seal main body 3 along the upper surface of the top plate 2. In this case, a curving means is provided to the tab piece 5 so as to separate at least the leading end of the tab piece 5 at a time of heating. As the curving means, it is preferable to provide a printing layer to the inner surface of the tab piece 5. |
