| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a rotary tab which is easily handled by an old person, a female, and a child who have weak power since a can with a conventional pull-top tab does not have the tab easily lifted, power is needed, and contents may splash out owing to excessive force, and to solve the problem in which conventional cans are used only once and disposable.SOLUTION: The burden of opening and closing a tab is lightened by employing a rotary type for a tab and boring an air hole in a can lid so as to make it easier to lift the tab and to reduce the power needed for opening. Further, the opening and closing are facilitated by applying pressure in an auxiliary manner with a finger or palm, and the tab is used as a lid so as to enhance the possibility of reuse, so that the rotary tab is provided which is friendly with environment.</p> |
