MULTIPLE COLOR INK PEN AND MANUFACTURE THEREOF

摘要

PURPOSE: To remove plural line strips of different colors by forming a bundled nib at a front edge of each nib element, exhibiting a protruding curve shape at an end of the nib, thereby continuously altering writing color at the time of using. CONSTITUTION: The multicolor ink pen comprises a pen barrel 2, three nib elements 1 impregnating at surfaces with no ink but impregnating the ink therein, and three ink storage pipes 6 mounted in the barrel 2 together with plastic nib elements. End sides of the three elements 1 are brought into close contact with each other, closely engaged with an elastic flexible tubular material 5 such as plastic pipes or the like to form a bundled nibs 9. Rear end side of the material 5 is engaged with the end of a bore of a neck of the barrel, and fixed. An end of the nib 9 is formed in a protruding spherical shape or protruding elliptical protruding curved shape. Three axial grooves 41 uniformly distributed along the outer periperal wall are provided on the outer peripheral wall of a conical plug 4. Rear end sides of the elements 1 are coupled with three ink storage pipes 6 through the three grooves 41.