| 摘要 |
<p>The toothbrush (18) is assembled of a bristle carrying area (2) and a stick-shaped handle (4) divided into three segments (10, 12, 14). The bristle head (2) is made in a single piece with a rigid neck (6). The lower end of the handle (4) covering approximately one half of the overall length, and the upper end (10) connected to the neck (6) are made of a rigid plastic and have convex surfaces. The transitional segment (14) is made of an elastic material, has a slightly concave surface and is provided with several circular grooves. The handle (4) is completely covered with a soft coating applied by spraying.</p> |
