Walk-in shelter

Details Walk-in shelter Walk-in shelter

1986-10-17

1988-03-08

Friedman, Carl D.

Safes, bank protection, or a related device

Miscellaneous

109 82, 52267, 52404, E05G 300

Patent

active

047293268

ABSTRACT:
A walk-in shelter providing protection against undesired heat, radiation, gas and water action, as well as mechanical stressing, particularly for data carriers is proposed, in which the walls comprise several different layers. The inner and outer layers are constructed as a closed metal envelope. Between the outer and inner layers is provided a metal supporting frame and between the outer layer, supporting frame and inner layer are provided insulating layers with high thermal insulation and mechanical strength. All the layers are set up independently of one another, are self-supporting and not mechanically interconnected.

REFERENCES:
patent: 2189126 (1940-02-01), Bonsall
patent: 2582144 (1952-01-01), Miles
patent: 2699669 (1955-01-01), Nelsson
patent: 3535842 (1970-10-01), Karn
patent: 3561183 (1971-02-01), Keener
patent: 4221093 (1980-09-01), Crookston
patent: 4306396 (1981-12-01), Fotti
patent: 4381716 (1983-05-01), Hastings et al.
patent: 4470357 (1984-09-01), Sanzaro
patent: 4501101 (1985-02-01), Davis
patent: 4628826 (1986-12-01), Richter

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