Method for fixing a spring in a hollow body

摘要

The invention concerns a method for fixing a spring (3) in a hollow body in particular a pen ball-point (1) which consists in placing the spring (3) in a bore (2) provided in the pen ball-point body (1), in aligning a forming punch (4) in the ball-point (1) longitudinal axis and finally in causing the punch (4) to penetrate inside the ball-point (1), the spring being maintained in position by the shavings derived from the action of the punch.