Leipzig und Pardubitz, Hersteller von Füllhaltern

An insert at the top of a cap into which the nib fits snugly when the pen is closed to prevent ink from leaking. Inner caps also hold clip assemplies in place and usually must be removed to remove the clip. This is done with a special tool known as an inner cap puller. The inner cap serves 2 purposes. It keeps the nib from being crushed against the inside of the cap by stopping the barrel from turning in too far. It also is supposed to stop ink leakage by creating a sealed pocket against the pen section. Many caps are discolored where the section and inner cap meet because this seal didn't work properly.

A pen made for a short time in the late '20s by the Carter Ink Co. The pen was not successful even though it was of high quality, and Carter returned exclusively to the ink business.

a hard metal of the platinum family used to tip pens because of its combination of qualities such as taking a high polish and withstanding wear.