| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent liquid content from being splashed outwardly when separating a removable plug from a cap. <P>SOLUTION: A cap 1 attached to a container mouth includes a spout flow passage 2 for passing liquid content in a container located at its center, a closing wall 5 provided on an inner wall of the flow passage which closes the spout flow passage 2, and a removable plug 7 demarcated by an annular weakening groove 6 formed in the closing wall 5. The removable plug 7 includes a stay part 7A planted on its one corner, and a holding part 7B at an end of the stay part. The annular weakening groove 6 surrounding the removable plug 7 has a groove part 6A having a pointed bill-shape toward the flow passage inner wall 2A at the symmetrical position passing through a cap center from a part with the stay part 7A being planted therein. <P>COPYRIGHT: (C)2012,JPO&INPIT |
