Shrapnel proof door frame

Details Shrapnel proof door frame Shrapnel proof door frame

1984-03-16

1986-07-08

Holko, Thomas J.

Safes, bank protection, or a related device

Wall and panel structures, closures and closure adjuncts

Closures

109 74, 109 26, 49504, E06B 104

Patent

active

045986479

ABSTRACT:
A bulletproof door and door jamb construction includes a door jamb which includes a vertically and horizontally extending opening therein in an area where bullet shrapnel fragments can pass freely therethrough into the hollow interior of the door jamb so that the spent fragments lose their energy and do not enter the protected area behind the door by otherwise passing through the crack or space between the door and door jamb.

REFERENCES:
patent: 1054325 (1913-02-01), Wege
patent: 1428340 (1922-09-01), Meilink
patent: 1948602 (1934-02-01), Tracy
patent: 2329420 (1943-09-01), Sheehan et al.

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