Hollow reinforcements for fire-resistant safes

Details Hollow reinforcements for fire-resistant safes Hollow reinforcements for fire-resistant safes

1993-06-16

1994-03-22

Gall, Lloyd A.

Safes, bank protection, or a related device

Wall and panel structures, closures and closure adjuncts

Closures

294551, 29530, 52267, 52743, 52792, 70452, 70466, 109 75, 109 76, 109 80, 220412, 220418, 264263, 264277, 312409, 428921, E05G 1024

Patent

active

052954471

ABSTRACT:
A fire-resistant safe is made with internal and external shells that are filled with insulation material. Hollow reinforcements interconnecting the two shells are formed as cone-shaped recesses in the internal shell having truncated bottom portions attached to the external shell. The insulation is made of a water-bearing material and the recesses are made of a resin material that melts at a temperature in excess of the boiling point of water. Funnels are formed in the external shell for adding the insulation material in a liquid state. An escutcheon for covering the funnels is anchored to the insulation material by stakes that are embedded in the insulation material before the material hardens into place.

REFERENCES:
patent: 5102481 (1992-04-01), Sharp

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