Safes – bank protection – or a related device – Shields and protectors
Patent
1988-09-09
1990-05-22
Wilson, Neill R.
Safes, bank protection, or a related device
Shields and protectors
109 84, 109 85, E06B 900, E04B 202
Patent
active
049267612
ABSTRACT:
The armor comprises a plate of refractory steel (1) resistant to cracking by means of a known torch. One or more inserts (2) of refractory material resistant to an added metal torch are encased in the refractory steel (1), the structure and distribution in the interior of the steel of this insert or of these inserts (2) being such that the plate comprises a series of zones, distributed over the whole of the plate, which are separated by zones in which the thickness of the steel is different. Application particularly to safes.
REFERENCES:
patent: 1605443 (1926-11-01), Kennedy
patent: 1703417 (1929-02-01), Donaldson
patent: 1888042 (1932-11-01), Lynn et al.
patent: 3645216 (1972-02-01), Radford et al.
patent: 3684497 (1972-08-01), Wendler et al.
patent: 3874855 (1975-04-01), Legrand
patent: 3898729 (1975-08-01), Greene
patent: 4178859 (1979-12-01), Seiz et al.
patent: 4696240 (1987-09-01), Maxeiner
Usines et Acieries de Sambre et Meuse
Wilson Neill R.
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