| 摘要 |
<p>The distance piece is particularly of cast or pressed material, such as concrete, or asbestos, for supporting reinforcing members in constructional components. Its individual supporting points (11) are joined by connectors (12), so as to form an array of distance pieces. The connectors can also act as supports, and can incorporate bends. It can be extended for a limitless amount by means of flexible coupling devices, and can be in any desired shape, e.g. a circle, triangle, rectangle etc.</p> |
