What Are the Parts of an Ink Pen?
Types The most common types are the ballpoint pen, the rollerball pen, the fountain pen and the felt-tip pen. Each of these ink pens are constructed differently from each other and utilize different parts and materials to function. The Facts The tips of most ballpoint pens and their springs are usually made out of brass because of its resistance to corrosion. The roller-balls used to be made out of steel but are nowadays made out of tungsten carbide because of its strength and resistance to deforming. Ink tubes and cases can be made out of any number of materials, including plastic, aluminum and steel. Inks are usually specially made by the manufacturer, and any number of materials can make ink for pens. Rollerball pens are the same as ballpoint pens except they use different, more easily-absorbed inks. Fountain pens contain a case, cap, point, feed, section and sac. Gold alloys used to be used as tips for fountain pens because of its resistance to corrosion. The feed is used to contro