UNIFIED BALLPEN CORE AND UNIFIED MULTICOLORED BALLPEN USING THE SAME

摘要

Disclosed are an integrated ballpoint pen core and an integrated multicolor ballpoint pen having the same. The integrated ball pen core according to the present invention includes an integrated ink storage unit in which the first ink storage unit and the second ink storage unit are separately formed so that the first ink and the second ink can be filled, respectively; And a ball inserted into one end of the first ink reservoir and the second ink reservoir, respectively, and having a ball inserted at each end thereof so that the ink filled in the first ink reservoir and the second ink reservoir may flow in, respectively. And a tip portion consisting of a first tip portion and a second tip portion. The integrated multicolor ballpoint pen according to the present invention includes the integrated ballpoint pen core and a case surrounding the integrated ballpoint pen core.