Fire resistant enclosures

Details Fire resistant enclosures Fire resistant enclosures

1986-11-28

1988-04-05

Wilson, Neill

Safes, bank protection, or a related device

Combined

Depository with verification indicia applying means

109 65, 109 80, E05G 300

Patent

active

047351551

ABSTRACT:
A fire-resistant enclosure comprises a casing, a hollow internal compartment defined by said casing, a door opening defined in said casing and providing access to the internal compartment and a door fitted into and closing said opening. Both the door and at least that part of the casing defining the door opening are constructed primarily from rigid fire-resistant intumescent material comprising a resin incorporating a blowing agent such that when subjected to heat the material of the door and the material of the casing at the door opening swell towards each other and provide a heat and water resistant seal between said door and said door opening.

REFERENCES:
patent: 711325 (1902-10-01), Lowrie
patent: 960767 (1910-06-01), Allen
patent: 1843619 (1932-02-01), Norris
patent: 4048926 (1977-09-01), Brush, Jr. et al.
patent: 4376380 (1983-03-01), Burgess
patent: 4422386 (1983-12-01), Carpenter
"Engineering Materials Handbook", C. L. Mantell, McGraw-Hill, N.Y., N.Y., 1958.

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