| 摘要 |
PROBLEM TO BE SOLVED: To prevent an aeration port from being accidentally opened and further enable the aeration port to be easily opened. SOLUTION: This stay-on type can lid 1 is made such that a drinking port forming score 5 is broken with the extremity end 8 of a tab 7 by pulling up a ring-like finger hook 9 formed at the rear end of the tab 7 fixed to the upper surface of a panel 3 so as to form a drinking port 4 at the panel 3. The panel 3 exposed inside the finger hook 9 is provided with an aeration port 14 opened by the aeration port forming score 13 which can be broken by depressing operation.
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