| 摘要 |
PROBLEM TO BE SOLVED: To provide an illegal unsealing preventive stopper, which is disconnected without fail to remove an illegal unsealing preventive ring from a cap when the cap is turned in the unscrewing direction to open a container. SOLUTION: The stopper comprises a spout fitted at a spout position on the paper container for liquid, and the cap screwed on the spout. A plurality of ratchets are formed on the lower end outer periphery of the spout to be arranged peripherally at every identical distance. The illegal unsealing preventive ring is connected to the lower end of the cap peripheral wall via a plurality of the easy-to-break connections arranged peripherally at every identical distance, with a plurality of ratchets formed peripherally at every identical distance on the inner periphery of the ring to be fitted on the ratchets of the spout upon turning the cap in the screwing direction. The easy-to-break connections 222, 222, 222, 222 formed at the lower end of the peripheral wall 220 of the cap 100 are inclined from the screwing direction to the unscrewing direction. COPYRIGHT: (C)2004,JPO&NCIPI
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