Safety door in burglary inhibiting design

摘要

The safety door has blade which is secured in an insert (16) made of hard steel. A filling element is designed in the form of glazing (7) with interconnected glass plate (31) and polycarbonate discs (30). A filling element is designed in the form of a grating having grid rods of L-shaped cross-section arranged in vertical direction. The distance between adjacent grid rods is 20 mm which is set by measuring the maximum gap between peak line of one rod and base line of adjacent rod. The wall thickness of the grid rod is 3.5 or 4 mm. A filling element (8) is designed in the form of an opaque panel with high carbon steel layer. The insert is made of hard steel in combination with aluminum.