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What is roller ball pen?
A pen which has a tiny ball on the tip of the ink to spread the ink out evenly.
What is the difference between a ball point pen and a roller pen?
Ball & Roller Bearings both belongs to the category of radial contact bearings.In case of ball bearings spherical balls are used however in case of roller bearings cylindrical rollers are used.due to balls used in ball bearings there is a point contact is made whether it is line contact in roller.
How does a roller ball pen work?
roller ball pens employ a mobile ball and liquid ink to produce a smoother line.
Who discover ball pen?
The person who invented the ball point pen is László Bíró.
How do you restart a roller ball pen?
i dont know buy a new one
Who invented the roller ball bearing?
It is not known who specifically invented the roller ball bearing. There are examples of their use by the ancient Egyptians. However, it is thought that they may have been invented before the wheel.
Who in invented the ball pen?
László Bíró
Who invented the ball pen?
László Bíró
When was the pen invented?
in 1884 the fountain pen was invented... however the first conventional ballpoint pen was invented in 1938.the first ball point pen was invented in 1888.the first ball point pen was invented in 1888.
Why was the ball pen invented?
as the people found it difficult to write with ink pen.
Who invented ball pointed pens?
In 1879 Alonzo T. Cross invented the stylographic fountain pen. Then, in 1938 a Hungarian named Jozsef Biro invented the ball point pen.
Who invented pen not ball point pen?
some random person who had nothing to do in his life
