Static structures (e.g. – buildings) – Including design feature accommodating dimensional variation...
Patent
1978-12-28
1981-03-24
Murtagh, John E.
Static structures (e.g., buildings)
Including design feature accommodating dimensional variation...
52669, 52726, 52DIG5, E04B 552
Patent
active
042572061
ABSTRACT:
A channel structure for assembly into a suspended ceiling or the like and which is arranged to maintain the structural integrity of the ceiling during exposure to the heat of a fire. The channel structure includes an end splice arrangement having elements which develop a telescoping relationship between joined channels and thereby avoid buckling during thermally induced axial expansion of the channels.
REFERENCES:
patent: 380109 (1888-03-01), Harry
patent: 3284977 (1966-11-01), Lickliter
patent: 3645051 (1972-02-01), Kolesar
Donn Incorporated
Murtagh John E.
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