Safes – bank protection – or a related device – Wall and panel structures – closures and closure adjuncts – Walls and panels
Patent
1983-08-19
1985-12-24
Bell, Mark L.
Safes, bank protection, or a related device
Wall and panel structures, closures and closure adjuncts
Walls and panels
106 99, 106DIG1, C04B 702, E04B 284
Patent
active
045598819
ABSTRACT:
A new castable steel fiber reinforced concrete composition is described composed of Portland Cement, fly ash, fine aggregate, gravel or crushed stone, water, high range superplasticizing water-reducing admixture, and steel fibers. The concrete may be mixed in conventional mixers and cast in open top molds to form modular panels for use in the construction of security vaults. The cast panels have outstanding engineering properties resistant to burglarious attack measures such that multi-paneled vault walls resist burglarious attack as outlined in Underwriters Laboratories Standard No. 608 in thicknesses of 8 inches for 1 hour and 11 inches for 2 hours. New casting procedures for the concrete and new vault construction procedures using modular panels cast from the concrete also are described.
REFERENCES:
patent: 3429094 (1969-02-01), Romualdi
patent: 4274881 (1981-06-01), Langton et al.
patent: 4377977 (1983-03-01), Wurster
patent: 4388874 (1983-06-01), Stone
patent: 4389948 (1983-06-01), Sands
Lankard David R.
Shoop James D.
Bell Mark L.
Diebold Incorporated
Jocke Ralph E.
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