| 摘要 |
<p>A tooth brush which comprises a head portion (1) having hair bundles (2) planted thereon, a neck portion (3) and a grasping portion, characterized in that the head portion (1) has a hard resin layer (4) over the whole thereof and also has a soft resin layer (5) laminated on the hard rein layer at a part or over the whole thereof, so as for the laminate structure to provide the head portion (1) with the flexibility to both observe and reverse sides. The tooth brush has the excellent flexibility of its head portion, and thus exhibits improved cleaning characteristics and fitness, with good formability in the production of its handle part.</p> |
