| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a universal ball-point pen cap which solves such a problem that, when a salesperson opens a corrugated board packed with a product or instruction documents for sales in dealer or the like and removes a stapler needle to demonstrate, the tip of the ball-point pen is often used therefor and becomes useless for writing, and therefore it is required for the salesperson to carry such a tool with him. <P>SOLUTION: A clip part (2) of the ball-point pen cap has a function of a packing tape cutter, a stapler needle remover, and a letter knife. <P>COPYRIGHT: (C)2011,JPO&INPIT |
