| 摘要 |
PROBLEM TO BE SOLVED: To obtain a convenient non-reopenable ring with an excellent convenience. SOLUTION: The ring has an opening. A hook 2 is formed at one end, and a hole part 3 for inserting the hook is formed at the other end, and a locking part 4 locking the hook is formed to the inside of the hole part. The ring is formed into a ring shape by locking the hook to the locking part, and formed so that the hook is surely held in the hole part when the hook is locked to the locking part. The ring is suitably used as a part of a key holder 9. COPYRIGHT: (C)2003,JPO
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