Safes – bank protection – or a related device – Wall and panel structures – closures and closure adjuncts – Walls and panels
Patent
1993-12-20
1996-02-13
Meyers, Steven N.
Safes, bank protection, or a related device
Wall and panel structures, closures and closure adjuncts
Walls and panels
109 82, 109 84, 109 495, 109 76, 428920, E04B 200
Patent
active
054904684
ABSTRACT:
A safe, vault or container 10 has a laminate wall that is resistant to the cutting effects of a high-temperature torch. The wall of the safe, vault or container 10 comprises a hardened steel outer panel 21 and a hardened steel inner panel 22. A refractory abrasive layer 23, as of Carborundum, is disposed adjacent the outer panel 21 to break any drill that might penetrate through the outer panel 21. A thermally conductive layer 24 is disposed adjacent the abrasive layer 23 to conduct heat rapidly away from any localized hot spots that might develop within the abrasive layer 23 when heat from a high-temperature torch is applied to a region of the outer panel 21. A thermally insulating layer 25 is disposed between the thermally conductive layer 24 and the inner panel 22 to inhibit heat transfer from the thermally conductive layer 24 to the inner panel 22. The thermally insulating layer 25 comprises a porous ceramic material consisting of vitreously fused ceramic fibers.
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Dino Suzanne L.
Lockheed Missiles & Space Co., Inc.
Meyers Steven N.
Volk H. Donald
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