| 摘要 |
PURPOSE:To provide a pen which can be manufactured without taking labor and cost in a manufacturing process by a method wherein a cap is never lost by using a slide cap and its structure is simplified. CONSTITUTION:A slide cap B which slides in front and in rear is provided to a tip of a pen A. A groove C is provided to the pen A. A projected part D biting into the groove C is provided inside the slide cap B. A cover and a spring are equipped to a tip of the slide cap B. |
