| 摘要 |
PURPOSE: To provide a brush pen which can make differences in density and 'patchiness' in a large-sized character etc., and be used with the same touch as writing with a genuine writing brush with the tip impregnated with Indian ink. CONSTITUTION: In a brush pen in which ink in a shaft cylinder 1 is supplied to the tip 2 which is formed by binding a fur-shaped body for writing, a valve mechanism consisting of a valve ball 3 and a valve seat 4 is placed in the end part of the shaft cylinder 1 to form a ink cell 6 with a capacity equal to the amount of ink contained in the tip 2 on the end side of the valve mechanism, and an agitation element 5 for breaking bubbles in the ink cell 6 is arranged on the end side from the valve ball 3. |
