Patent ID: 7178297
Filing Date: 2007-02-20
Classification: E04B,E04H

Abstract:
1. A modular secure wall structure defining a plurality of rooms, each room having a front wall, a rear wall, and a pair of side walls, where some of said walls may be shared between rooms, said wall structure comprising: at least two of said walls are joined in abutting relation, with the walls being formed by steel plates; a tongue extending from one of said steel plate walls of a first room, said tongue being formed by a steel strip attached to an inner surface of said steel plate wall and extending beyond a length thereof; and a groove extending from an adjoining steel plate wall of a second room, said groove being defined by an inner groove guide wall being spaced from said second steel plate wall, said groove includes said inner groove guide wall, a spacer plate, and an outer groove guide wall, with a channel being formed therebetween, said channel having a larger cross-sectional area than said tongue; said tongue being slidably insertable in said groove whereby insertion of said tongue into said groove orientates said one of said walls of said first room parallel to said adjoining wall of said second room, and inner groove guide wall being inaccessible from either side of said wall.