Foaming member for bottle can and bottle can, and bottle can with cap

摘要

PPROBLEM TO BE SOLVED: To provide a foaming member which can foam a beverage certainly when the beverage containing a carbon dioxide filled in a bottle can is poured in the other container, while an increase in manufacturing cost is suppressed. PSOLUTION: The foaming member is formed with a bottom 11 on which a plurality of penetrating holes 14a, 14b are formed and a tubular part 12 erected from the peripheral edge of the bottom 11, wherein the plurality of penetrating holes 14a, 14b have the first hole 14a and the second hole 14b having a smaller opening area than that of the first hole 14a, the first hole 14a is formed at least on the peripheral edge of the bottom 11, the second hole 14b is formed at least on an inner position from the peripheral edge of the bottom 11 in the diameter direction, and the peripheral face of the tubular part 12 is fitted in the mouthpiece of the bottle can in which the beverage containing carbon dioxide is filled. PCOPYRIGHT: (C)2006,JPO&NCIPI