| 摘要 |
PROBLEM TO BE SOLVED: To provide an easy-to-open cap made of aluminum alloy to be fixed to a container spout by caulking obtainable without increasing material cost and manufacturing cost, which can be easily detached from a spout of the container safely without using stick-like materials such as chopsticks and without injuring fingers. SOLUTION: A content take-out hole 13 provided on a top wall 11 is formed to have a size in which a person's finger can be put. A part of the opening edge part of the take-out hole 13 is made to be a lug piece 16. From the roots at both sides of the lug piece 16 to a predetermined part of a skirt part 12 through the top wall 11, a first score 17 and a second score 18 for inducting rupture are respectively formed, and almost all parts 22 of the opening edge part of the take-out hole 13 excepting the vicinities of the scores 17 and 18 are folded inward. |
