Fireproof door for hotels, skyscrapers and the like

Details Fireproof door for hotels, skyscrapers and the like Fireproof door for hotels, skyscrapers and the like

1979-08-07

1981-06-02

Friedman, Carl D.

Static structures (e.g., buildings)

Insulating insert; e.g., filler in cavity in preconstructed...

Insulation suspended from discrete member within cavity

52809, 52793, E04B 174

Patent

active

042703263

ABSTRACT:
A fireproof door has a fabric of ceramic or glass fibers attached to a metal frame and covered by facings. The fabric which also may be used as a fireproof mat consists of layers of titanium-treated ceramic or glass fibers felted together by similar needlelike fibers extending through an intermediate layer of fireproof particulate material.

REFERENCES:
patent: 2652601 (1953-09-01), Slopa et al.
patent: 3238677 (1966-03-01), Sowbier
patent: 3254592 (1966-06-01), Chase
patent: 3273297 (1966-09-01), Lueke, Jr.
patent: 3359699 (1967-12-01), Jackson

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