| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap opener wherein when a cap is pulled out of a bottle, the cap is prevented from falling down and can be stored, whereby the stored caps can be dumped in one lot. SOLUTION: A cap opening part 5 and a partition plate 6 are provided in a case 1 provided with a simple valve 4 in an insertion port 2, while a lid 3 can be put on the case 1.
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