Fire stop safety astragal

Details Fire stop safety astragal Fire stop safety astragal

1979-02-27

1980-09-30

Downey, Kenneth

Movable or removable closures

Closure seal; e.g., striker gasket or weatherstrip

Plural distinct seals

49498, 49499, 49370, E06B 716

Patent

active

042247675

ABSTRACT:
An astragal is formed by securing lengthwise flexible fire-resistant material to a mounting channel adapted to be mounted on an elevator fire door. The flexible fire-resistant material of the astragal is secured to the upwardly extending flanges of the mounting channel to form an elongated boot of uniform cross-section, wherein the astragal nose is substantially parallel to the mounting channel thereby insuring an effective fire seal.

REFERENCES:
patent: 1948942 (1934-02-01), Ross
patent: 2663057 (1953-12-01), Uphoff
patent: 2891289 (1959-06-01), Guilbert, Jr.
patent: 3943663 (1976-03-01), Jecmen et al.

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