摘要 |
PROBLEM TO BE SOLVED: To provide a pilfer-proof cap which can be prevented from deteriorating in its capability of closure at its packing on treatment at a high temperature. SOLUTION: For a pilfer-proof cap D which is formed in a structure wherein a tamper-evident band 4 is connected through a plurality of breakable bridges 3, 3, etc., to the lower end of a skirt wall 2 dangling from the periphery of a top plate 1 while an internal thread 9 to be screwed down onto an external thread 8 formed along the outer circumference of a bottle mouth 6 is formed at the inside of the skirt wall 2, and has a packing 10 for sealing up the bottle mouth 6, the packing 10 is formed so as to cover a projected part 11 which is formed at the underside of the top plate 1 for insertion into the bottle mouth 6.
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