| 摘要 |
PROBLEM TO BE SOLVED: To solve the problems in the prior art that the finger is hard to put on a tab of a beverage vessel and that the tab is difficult to raise for the first time. SOLUTION: A clearance is made between a tongue piece of the tab and a can lid surface. The finger can be put on the tab more easily than the tab in the prior art. The tab can be easily raised with a weak force to the position where the finger tip can give a big force before the tip end of the tab touches the opening surrounded by a score. COPYRIGHT: (C)2008,JPO&INPIT
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