| 摘要 |
PROBLEM TO BE SOLVED: To easily take a shape of the tip of a FUDEHO (head of writing brush) and has firm stand and provide the head of a writing brush, with which a bald and collect drawing line can be obtained easily. SOLUTION: The head of a writing brush is equipped with dressing hairs 12 provided at its outside and a core material 14 installed inside the dressing hairs 12. The inside core material 14 comes into contact inside with the dressing hairs 12 and gives a radially expandable elasticity and flexibility to the head 10 of the writing brush. The inside core material 14 is formed by brush-like core hairs made of crimpy fibers. The rigidity of the fibers constituting the outside dressing hairs 12 is larger than that of the fibers constituting the inside core hairs. Further, the outward shape of the head 10 of the writing brush has a tapered shape. |
