| 摘要 |
<p>The visor for a helmet, and especially for a motor cycle rider, has an outer section (1) of injection molded plastics with edges (7) projecting inwards to take an inner section (2) in a positive fit. The inner section (2) is stamped from a plastics sheet, and is tensed in place within the outer section (1). The outer section (1) has a spherical curvature, and the inner section (2) is tinted and has an impact-resistant coating. A seal (14) is around the edge of the inner section (2) where it lies against the outer section (1).</p> |
