| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a low-cost cap for use in a can for drink which has a favorable effect of foaming and no risk of a breakage failure. <P>SOLUTION: The cap 100 is mounted on the top face of the can 200 for drink with a pull top on it. Beer 300 coming from an opening 205 of the can 200 for drink keeping contact with the paper 107 of the cap 100 is poured into a beverage container or the like through a spout 103 formed at the cap 100. The paper 107 has many pores on it. Beer 300 can generate many fine bubbles by keeping contact with the pores on the paper 107. <P>COPYRIGHT: (C)2008,JPO&INPIT |
