| 摘要 |
PROBLEM TO BE SOLVED: To provide a pull-top which enables smooth opening eliminating difficulty in pulling it up. SOLUTION: A protrusion 2 is provided at the inside of the ring of a pull-top 1 ring for a finger to easily catch and pull up. The protrusion can be in any shape, a triangular shape, a bowl shape, a semicylindrical shape or a wave shape so long as it offers resistance to a finger. |
