The part referenced controls the mechanism for filling sure fountain pens with ink. By manipulating this half, a vacuum is created inside the pen’s ink chamber, drawing ink into the reservoir from a supply. For example, in a piston-filling pen, actuating this mechanism retracts the piston, producing suction that pulls ink inside.
This filling system affords a handy and environment friendly technique for replenishing the pen’s ink provide straight from a bottle. Its design minimizes the necessity for separate cartridges or converters, contributing to decreased waste and a extra sustainable writing follow. Traditionally, such a filling system represented a big development in fountain pen expertise, permitting for better ink capability and ease of use.
