Glass cover pane for light units installed in floors or grounds incorporates a top coating which consists of separate areal carrier layer elements containing partly protruding abrasive particles

摘要

A glass cover pane (4) for light units installed in floors or grounds incorporates a transparent top coating (6) which consists of separate areal carrier layer elements (8) of irregular shape and size containing abrasive particles (10) partly protruding from the carrier layer. Areas (14) free from coating are left between carrier layer elements.