| 摘要 |
<p>A construction and/or lighting element consists at least of two parallel wall elements (1), between which are arranged spacer elements (2) to form an evacuated intermediate area (3) and which are connected around the edge by a flexible seal. The distance between the wall elements is less than 0.5 mm and the spacer elements (2) are designed as washers which lie flat between the wall elements (1). The production and installation of the spacer elements (2) is effected by a stamping device which is located over the distribution surface of the wall elements (1) arranged in a grid pattern.</p> |
