Multi-layer panels for modular vault structure

Details Multi-layer panels for modular vault structure Multi-layer panels for modular vault structure

1993-03-02

1995-11-28

Gall, Lloyd A.

Safes, bank protection, or a related device

Shields and protectors

52463, 525841, 109 79, 109 80, 109 84, E04B 202

Patent

active

054697964

ABSTRACT:
A lightweight, multilayered panel for use in a modular vault or safe structure has multiple layers of cross-grained wood boards secured together by a grid of hardened masonry nails. The nails are driven into the panel layers from both major face surfaces of the panel and are angled from the perpendicular of the major face surfaces of the panel to increase the probability of a penetrating instrument striking a nail during a penetration attempt. The panel is covered in a layer of sheet metal, and a layer of Kevlar or some other ballistic resistant material is placed on one or more major face surfaces. Rabbet edges on the panel allow an assembly with reinforced seams, and two single panels may be secured together to form a double reinforced vault panel. Sturdy anchoring structures located in between the panel layers proximate and parallel to the edges of the panel receive securing structures when a batten is utilized to hold the panels together and in a completed vault structure, and to reinforce the strength of the seams between adjacent panels which are assembled together into a vault structure.

REFERENCES:
patent: 2089059 (1937-08-01), Harley
patent: 2278956 (1942-04-01), Wagner
patent: 3078968 (1963-02-01), Frick
patent: 3782053 (1974-01-01), Nakano et al.
patent: 5031374 (1991-07-01), Batch et al.

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