Stock material or miscellaneous articles – Display in frame or transparent casing; or diorama including... – Peripheral enclosure or frame
Patent
1997-06-12
2000-01-04
Turner, Archene
Stock material or miscellaneous articles
Display in frame or transparent casing; or diorama including...
Peripheral enclosure or frame
428 38, 428 46, B32B 400
Patent
active
060107588
ABSTRACT:
Methods and apparatus which enable the lateral displacement of windows and window elements in reaction to overpressure forces resulting from an explosion are disclosed. According to the present invention, these forces are released to the edges of the displaced window and window elements, and the window itself remains intact or does not release life-threatening or injurious projectiles. One embodiment of the invention (10) comprises a window frame (12) which holds a pane of glass or synthetic material such as acrylic or polycarbonate (14), the frame (12) being coupled to a window receiving pan or receptor (16) by a plurality of retainers (18). The overpressure from an explosive blast causes the frame (12) to be displaced primarily laterally from the receiving pan (16) thereby releasing the blast overpressure (20) to the edges of the displaced frame (12) and reducing the risk of release of shrapnel from said sheet of generally light transmissive material (14). The retainers (18) may be woven cloth straps (18A), rope (18B), metallic and non-metallic cable (18C), mono-filament such as nylon (18D), and plastic (18E) including polymers such as Kevlar.TM..
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patent: 5645940 (1997-07-01), Teddington, Jr.
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