| 摘要 |
PURPOSE: One end is processed at least blandly of the brush of toothbrush to the round type. The teethridge damage by the magnetic pole of the end part of the brush of toothbrush is prevented. CONSTITUTION: A round brush of toothbrush processing method. As to the round brush of toothbrush processing method using the artificial fur. The step of cutting artificial fur strick(S1). The step of mechanically training the end part of the artificial fur strick cutting(S2). The step(S3) heat-treating the end part of the ground artificial fur strick.
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