BALL PEN









Ball pen is invented by :- John j Lods





John j.Louds indentation the ballpoint pen was far from perfect. It leaked an smudged document and was to crude for standard later writing. Nevertheless loud a leather tanner from Massachusetts who wanted something that could ride on leather and would patented his new writing instrument on October 30 1888.





With a tiny set ell ball bearing in the nib band three smaller balls aligned above it to try to regulate ink flow all re flashed with ink from reservoir above loud had invented the world first pen that did not constantly required dipping or refilling .



However loud was unable to control the flow of ink which contributed to the pen newer been solve commercially. If the ink were too thin the pen would leak if it were to thick it would clog.



Depending on the temperature the pen would sometime do both. Louds pen also relied solely upon gravity to deliver ink to the nib and had to be in an slot vertical position for it to wright.





Eventually louds patented expired making sure that the fountain pen prevalid. It was only in 1938 that Hungarian newspapers editors Laszlo biro pressurised the ink reservoir his pen use capillary action for ink delivery solving the flow problems.





In 1943 biro added a gravity fed feeder tube. His Biro amounted to a reinvention of the ballpoint pen solved with a promise that it could write for year without a need for refilling.





Ballpoint pens ave proved that to be a good art for professionals artists . it is cheap cost availability and high quality tool for writing.





TYPES OF BALL PENS

· Roller ball point pen

· Fountain pen

· Highlighter

· Technical pen

· Brush pen

conclusion:-Invention of First Ball pen Procedure to making of ball pen its History and uses