| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that sipping canned beer or canned juice by putting lips to the edge of a can provides bad feeling and makes the beer or juice flow in a way that it is difficult to sip since the shape of a pull tab is vertically long. Ž<P>SOLUTION: An aid that can be installed easily on a beer or juice cans and can be changed in the shape of the drinking edge of a cup or a glass is desirable. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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