Is a ballpoint pen a ballpoint pen or a gel pen?
What is a ballpoint pen?
A roller-point pen is a ball-point pen. There is a small steel ball on the head of the roller-point pen. When sliding, the pen oil will flow down with the ball under the action of gravity.
A roller ball pen, which is composed of a cap, a pen head body, an ink storage device, and a pen barrel. The ink storage device is in the pen barrel. The tail is inserted into the front end of the connection socket and is inserted with a water diversion core. The connection socket is a tube with a diameter of the front end smaller than the diameter of the rear end. An annular groove, the return air pipe is inserted into the return air pipe hole, there is a longitudinal infusion groove on the outside of the pen tongue and a suction and infusion slot that communicates with the return air pipe hole, the tail of the water guiding core is inserted into the front end of the return air pipe hole, the front end of the ink storage device and the pen barrel and the pen item the tail connection of.
A roller-point pen is a ball-point pen. There is a small steel ball on the head of the roller-point pen. When sliding, the pen oil will flow down with the ball under the action of gravity.
A roller ball pen, which is composed of a cap, a pen head body, an ink storage device, and a pen barrel. The ink storage device is in the pen barrel. The tail is inserted into the front end of the connection socket and is inserted with a water diversion core. The connection socket is a tube with a diameter of the front end smaller than the diameter of the rear end. An annular groove, the return air pipe is inserted into the return air pipe hole, there is a longitudinal infusion groove on the outside of the pen tongue and a suction and infusion slot that communicates with the return air pipe hole, the tail of the water guiding core is inserted into the front end of the return air pipe hole, the front end of the ink storage device and the pen barrel and the pen item the tail connection of.