| 摘要 |
PROBLEM TO BE SOLVED: To provide an extraction stopper capable of preventing fraudulent opening surely.SOLUTION: The extraction stopper having a base cap 1 and a lid body 7 disposed on the base cap 1 through a hinge h and capable of being opened and closed is provided. The lid body 7 has a finger hook piece 7d extending outward on a peripheral wall of a facing position of the hinge h. The finger hook piece 7d comprises an engaging claw piece 8 capable of inclining toward the peripheral wall 7a side of the lid body 7 on an extension tip end part of the finger hook piece 7d, and rib-shaped projections 9 disposed on the engaging claw piece 8 with intervals. On the base cap 1, a band plate 10 held detachably on at least a front side of the base cap 1 through a connection piece, and a recess N connected to an upper end of the band plate 10 in an integrated state and being opened downward by cooperation with the band plate 10, are formed. By falling of the engaging claw piece 8 and its forcible bridging, the engaging claw piece 8 is inserted into the recess N by a suspension wall 12. The suspension wall 12 is non-detachably engaged in a state that it holds the engaging claw piece 8 with the rib-shaped projections 9. |
