Device in two pieces for fountain tips. (Machine-translation by Google Translate, not legally binding)

摘要

A device in two pieces for tips of pens, characterized essentially by being constituted by an outer envelope, or tip itself, which has a cylindrical hollow at two diameters, the larger diameter being towards the tip; This body can be threaded externally, or smooth to enter under pressure. (Machine-translation by Google Translate, not legally binding)