Fire door window construction

Details Fire door window construction Fire door window construction

1989-07-11

1990-06-05

Safavi, Michael

Static structures (e.g., buildings)

Framing to receive door, doorjamb, or window sash

Architrave; i.e., finish strip on floor, ceiling, or wall...

52208, 52212, 52232, 52764, 52770, E06B 358

Patent

active

049302760

ABSTRACT:
A fire retardant window construction for a fire door comprises a trim strip having inner and outer members. The inner member is of a high density incombustible mineral material or ceramic and is nailed in position to securely and uniformly hold the pane of glass in the door opening. The outer trim member is of a fire retardant particle board and has an exposed wood veneer facing throughout. An intumescent caulking compound is applied between an inner portion of the outer trim member and the pane of glass.

REFERENCES:
patent: 838965 (1906-12-01), Douglas
patent: 998620 (1911-07-01), Leonard
patent: 1164866 (1915-12-01), Rasmussen
patent: 3478478 (1969-11-01), Luelz
patent: 3641721 (1972-02-01), Martin
patent: 4603524 (1986-08-01), Mann
patent: 4637182 (1987-01-01), Ellsworth et al.

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