Production manner of toothbrush bristle material, toothbrush bristle material, toothbrush

摘要

PPROBLEM TO BE SOLVED: To provide a method for manufacturing a bristle material for a brush, which provides the bristle material for the brush made of a twisted monofilament whose cross section has a substantially circular shape. PSOLUTION: The method for manufacturing the bristle material for the brush formed by twisting the monofilament 10 includes a first step of preparing the monofilament 10 whose cross section is a circular shape and twisting a bundle of a plurality of monofilaments 10, and a second step of individually twisting the monofilament 10 having been twisted in the step 1. PCOPYRIGHT: (C)2010,JPO&INPIT