Pen core capable of being recycled
A technology of refills and nibs, applied in ballpoint pens, printing, writing utensils, etc., can solve the problems of large consumption of gel pens, pollute the environment, and non-recyclability, etc., and achieve the effects of reasonable structure, flexible operation, and convenient use
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[0010] Such as figure 1 , 2 As shown, the recyclable neutral refill of the present invention includes a tubular refill 1, a nib 6, ink 3 and a suction pipe 7, a nib 6 is installed at one end of the pen refill 1, a ball is installed at the end of the nib, and the other end is an opening. The rod 4 is inserted into the tube of the pen core 1 from the opening, and the top of the push rod 4 is a disc-shaped structure, and there is a rubber pad 5 on the disc, and the diameter of the rubber pad is 0.5 mm larger than the inner diameter of the pen core; the diameter of the disc at the top of the push rod 4 is smaller than that of the pen. The inner diameter of the core is 0.5 millimeters; in addition, there is also a straw with an inner diameter equal to the outer diameter of the pen core and a length of 4-6 centimeters; there is a ring-shaped protrusion 2 at the end near the pen tip 2-3 centimeters away from the pen tip. The front end of the refill has an external thread, the straw ...
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