| 摘要 |
PROBLEM TO BE SOLVED: To provide a synthetic resin cap capable of preventing shower water from being sucked into the upper lid thereof, and also, which facilitates separate collection.SOLUTION: A synthetic resin cap 1 includes: a cap body 3; and an upper lid 2 attached to the cap body 3. The cap body 3 includes: a top wall 11; and an outer circumferential wall 12 continuing from the outer circumferential edge part 11a of the top wall 11. The outer circumferential wall 12 includes vertical weakened parts 19 and 20 formed on the circumferential surface thereof. The vertical weakened parts 19 and 20 are formed downward from an upper end of the outer circumferential wall 12, and have overhang parts 24 formed at the upper end part thereof to be flush with the top wall 11 or the upper end wall 12a of the outer circumferential wall 12. |
