What is the clip on a pen cap called?

Tip or Nose Cone: Commonly referred to as the tip of the pen, the nose cone is a metal or plastic piece that holds the tip of the ink cartridge in position when the cartridge is extended for writing.

What are the parts in a pen?

The Cap: Cap: the part of a pen that covers the nib and attaches to the pen body.

What are pen caps made of?

The cap, barrel, and ink tube are made of plastic, while the ballpoint and tip are made of metals. The barrel of the pen is made of polystyrene, a cheap, mass produced plastic.

What is cap of pen?

a cover that goes over the top of a pen to stop the ink from escaping.

What are the parts of a fountain pen called?

However, there are always four main parts in each fountain pen: the barrel, the cap, the charging system and, last but not least, the nib.

How are Bic biro pens made?

The plastic parts of ballpoint pens are usually made using a process called injection moulding. A mould of the shape of the pen is “injected” with a hot liquid plastic. The mould is removed once the plastic has cooled down and is hard.

How are the balls in ballpoint pens made?

They are made by extrusion or by injection molding. Plastic, as a raw material is in granules or powder and like that, it arrives in the factory. It is fed into a large hopper and from there into a large spiral screw which leads granules into a heater which liquefies it.

Why there is a hole in the cap of a ballpoint pen?

Pen caps have a small hole to prevent choking if swallowed and to equalize the pressure inside the pen to keep it from leaking.

Do ballpoint pens need caps?

Ballpoints use an oil based ink that does not dry out immediately even when exposed to air. Other pens like roller balls and fountain pens need caps with no holes because their inks are water based and dry out within a matter of minutes. That being said, pens with caps that have holes are almost always ballpoint pens.