| 摘要 |
<p>Disclosed is a roller door having a plurality of horizontal slats (13) being held together by one or more substantially vertical and flexible elongate members (15). The plurality of horizontal slats are connected at an upper end to an accumulation device, such as a roller drum (see 23, figure 2). Each of the horizontal slats consists primarily of a foamed plastics material. Contact between adjacent horizontal slats comprises direct contact between the foamed plastics material of each adjacent horizontal slat (see figure 6).</p> |
