| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap which effectively prevents a film from remaining at the lower end of an annular wall body and easily prevents occurrence of foam. SOLUTION: The cap 10 has a spout 11 and is attached to a mouth 14 of a container 13, which accommodates sparkling contents. The cap 10 has the annular wall body 17 extending down from the inner circumference of the spout 11. The annular wall body 17 has circumferentially an inclined portion 18 sloping at an angle to a horizontal plane defined when the container 13 is placed. The inner wall of the annular wall body 17 is curved like a dome, and the inclined portion 18 is a curvedly inclined portion. The inclined portion 18 is formed all the way along the lower end of the annular wall body 17, and the highest area and the lowest area of the inclined portion 18 are opposite to each other. |
