| 摘要 |
PROBLEM TO BE SOLVED: To provide the cap structure of a pull top can and the mouth forming method of the same with which a gap can be formed easily between a pull tab back end part and a top cap part with a relatively small power, and a mouth can be opened easily. SOLUTION: At the point of a pull tab 4 where a support pin 5 and tip end part 4a are connected, an inclining connecting part 4d is formed to extend diagonally upward from a support pin connecting part to a tip end connecting part. Before pulling up the pull tab, the tip end 4s of the pull tab 4 is pushed in toward a cap piece part 3 side for positioning the same closer to or for fitting the same to the cap piece part 3 which makes the back end 4b of the pull tab move apart form a top cover 1, and after this the pull tab 4 is pulled up. |
