Three hour fire resistant door, panel or building element, and m

Details Three hour fire resistant door, panel or building element, and m Three hour fire resistant door, panel or building element, and m

1975-04-10

1976-11-30

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Opaque stonelike module

With layered stonelike components

52457, 428141, 428443, E04B 194, B27K 318

Patent

active

039941108

ABSTRACT:
A highly resistant fire door, panel or building element comprising in combination a calcium silicate-asbestos fiber core, framed by stiles and rails, two face veneers on the front and rear side of said core and cross bands intermediate said core and said veneers.

REFERENCES:
patent: 1766606 (1930-06-01), Coolidge
patent: 2045099 (1936-06-01), Pond
patent: 2593050 (1952-04-01), Paul et al.
patent: 2787345 (1957-04-01), Soubier et al.
patent: 3196494 (1965-07-01), Hartman et al.
patent: 3254592 (1966-06-01), Chase
patent: 3488209 (1970-01-01), Ayers et al.

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