Ultrathin polycarbonate panels for security isolation cells
AssigneePlaskolite Massachusetts, LLC
InventorsRobert A. Pyles, James M. Lorenzo
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Abstract
The present invention provides ultrathin polycarbonate panels for use in security isolation cells to provide a transparent and secure barrier between a prisoner and a guard, where the barrier passes flammability test ASTM E-84 Class A. The panel comprises at least one polycarbonate sheet having a thickness between 0.25 mm and 1 mm. Panels may optionally include a metal support and a frame, and the frame may overbite (edge bite) a portion of the polycarbonate panel, and all points of the polycarbonate panel may be located within four frame widths of the frame.
Claims28
1-16. (canceled)
A panel comprising:
- a polycarbonate sheet;
- and
- metal support;
- wherein the polycarbonate sheet has a thickness of 0.25 mm-1 mm.
A panel comprising:
- a polycarbonate sheet;
- and
- a frame;
- wherein the polycarbonate sheet has a thickness of 0.25 mm-1 mm, and
- wherein the polycarbonate sheet is secured to the frame.
Dependencies are inferred from the claim text.