Who invented the ballpoint pen

On September 3rd, , the French government issued an official decree authorizing the use of the ballpoint pen. The quill and inkwell reigned supreme for ages on the desks of French schoolchildren, until one day, on September 3rd, , the French government issued an official decree authorizing the use of the ballpoint pen.

Goodbye blotters, so long stained fingers and au revoir ink dribbles down the wrists of the left-handed.

Unfortunately, its practicality suffered due to the ink drying on the ball when in contact with the air, thereby preventing it from rolling. Despite a prohibitively high price and ink-leaking issues, Reynolds managed to sell 10, pens on its first day. Patent in hand, Bich starts by redesigning the ink supply system.

Inspired by bees, Bich opts for a hexagonal shape to allow for better grip and drills a hole in the tube to compensate for atmospheric pressure and optimize ink flow. Next, he tests numerous types of ink to find the least viscous, while also deciding to use a transparent tube so the ink level could be easily monitored.

His final idea is yet another revolution; the pen will be disposable. Its story will continue, and will require even more ink!

Invention notes The tire Whether we take our car, the bus, or a bicycle, tires are a necessity in most of our travels in modern-day life. Learn more. The application This is the prerequisite for protection. Because of that patent lapsed in time. After that, many tried to improve on the design but did not deliver the ink evenly or overflow and clog the pint. They combined viscous ink and ball-socket mechanism to make a ballpoint pen that would not allow for an ink to dry out in pen but it would still leave the mark behind when used.

The first working ballpoint pen was presented at Budapest International Fair in They filed for patents in France and Britain in After the Second World War, others tried to sell their ballpoint pens but with limited success.

Milton Reynolds saw a ballpoint pen when he was on a business trip to Buenos Aires in and, when he returned to America, redesigned it so he could obtain an American patent. The ballpoint pen saw its first major commercial success in U. A by the businessman Milton Reynolds who redesigned the pen so that he could patent it and sell it in the U.

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