The name ballpoint pen first appeared in 1888. It was an American journalist named John Lauder who designed a pen with a ball as the nib, but he failed to make it into a commodity convenient for people to use.
1895, commercial non-writing ballpoint pens were also sold in the British market, but they failed to catch on because of their narrow use. 19 16, Germany designed and manufactured a new ballpoint pen. Its structure is close to today's ballpoint pen, but its performance is poor, which has not attracted widespread attention.
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Ballpoint pens are more durable than ordinary pens, but if they are used and kept improperly, they often cannot write. This is mainly because the dry ink sticks around the steel ball to prevent the ink from flowing out. Ink is a kind of viscous oil, which is made of linseed oil, synthetic pine nut oil (mainly containing terpineol), mineral oil (oil obtained by fractionation of petroleum and other minerals), hard rubber, lampblack and so on.
When using a ballpoint pen, don't write on paper with oil and wax, otherwise the oil and wax will be embedded in the copper bowl along the edge of the steel ball, which will affect the oil production and make it impossible to write. Also, avoid the impact and exposure of the pen, wear gloves and a pen cap when not in use, and prevent the damage of the pen tip and pen holder and the oil leakage of the pen core from polluting objects.
If it is cold or not used for a long time. When the pen runs out of oil, you can put the nib in warm water for a while, and then use the nib to stroke on the paper to write.
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