Fire strip construction

Details Fire strip construction Fire strip construction

1989-07-03

1990-04-17

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

Draft stop between studs; e.g., fire stop

52232, 52484, 52573, 52DIG5, E04B 552

Patent

active

049168770

ABSTRACT:
A fire strip for a suspended grid ceiling has an inner spring steel web having a slightly arcuate cross section, and an outer web of soft steel wrapped around the inner web. A finished strip is formed by bending the strip normal to the strip body at both ends. When the ends are bent, a spring-like, yieldable, upwardly curved arch is formed which fits snugly against a panel when in place in a ceiling.

REFERENCES:
patent: 2099961 (1937-11-01), McLaughlin, Jr.
patent: 3119475 (1964-01-01), Adams
patent: 3189138 (1965-06-01), Znamirowski
patent: 3333378 (1967-08-01), Jahn et al.
patent: 3473282 (1969-10-01), Robinson, Jr.
patent: 3783771 (1974-01-01), Hartzell et al.
patent: 4496790 (1985-01-01), Spencer
patent: 4594832 (1986-06-01), Akins
patent: 4791766 (1988-12-01), Egri, II

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