Joyful fountain pen. joyful water pen. joyful universal pen and joyful ink filling apparatus

Abstract

A fountain pen, liquid ink pen, or universal pen features that its ink storage tube is composed of a transparent rigid tube and a coaxial fine tube as the internal ink-filling channel, the ink is stored in the space between said two tubes, and its tail end has an impervious rubber sleeve and an elastic plug. Its ink filler is composed of a thick tube and a thin tube, which are parallel and fixed to the cap of ink bottle. In said fine tube, there are spring, piston, check steel ball and ink suction tube. In said thick tube, there is an ink-filling tube whose bottom end is connected with the bottom end of said fine tube.

Description

Technical field [0001] The present invention relates to fountain pen, water-based ballpoint pen (abbreviated water-based pen), universal ink pen (abbreviated as universal pen) and the product method and device of the ink filler for adding ink to these three pens, especially to make the fountain pen can be filled with ink Avoid pollution, make the water-based pen no longer a disposable pen, and the water-based pen can use ordinary ink, and even the water-based pen and the fountain pen can interchange the universal pen used in the pen head. Background technique [0002] At present, the structure of known fountain pen is made up of components such as pen cap, nib, pen feed, ink-absorbing core tube, flexible elastic pen bladder, pen bladder clip, pen feed shell, gall shell. The method of adding ink is to directly insert the tip of the pen into the open ink bottle, and squeeze the pen holder to remove the gas in the gall to make the negative pressure in the gall relative to the a...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems that the existing fountain pens are prone to pollution and complicated procedures when adding ink, and in order to solve the various defects that the existing fountain pens cannot be reused because they cannot be filled with ink, the present invention provides: 1. Easy to use, easy to add ink A happy fountain pen that will not produce pollution; 2. Happy water-based pen; 3. Only change the nib (a fountain pen is a nib tongue and a water stagnation device, and a water-based pen is a ballpoint nib tube, ink guide core, stagnant water pen holder and pen cover) can be universally interchanged into a happy universal pen for fountain pen or water-based pen; Safe Ink Refill that Spills Ink - Happy Ink Refill

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