Static structures (e.g. – buildings) – Processes – Requiring soil work
Patent
1975-09-29
1978-01-03
Murtagh, John E.
Static structures (e.g., buildings)
Processes
Requiring soil work
52 791, E04H 104
Patent
active
040659054
ABSTRACT:
A rectangular panel manufactured for inclusion in prefabricated building sections having a steel frame of beams in with top and bottom horizontal flanges extending inwardly and flush of the top with a concrete floor slab and on the bottom with a ceiling member, the space between same receiving electrical conduits and the like mounted on the floor slap or ceiling member or both. The longer beams are connected by ribs having approximately a Z-shaped cross-section. At each corner of the panel an opening is provided for a vertical steel tube, each opening being defined in part by recesses in the adjacent flanges to which the tube is welded. A jig plate is provided within the panel to surround the tube together with the corner structure and a castable fireproof material is introduced between the tube and jig plate on the outer sides and between the tube and the beams proximate the corner, apertures being provided in the flanges for this purpose if necessary.
REFERENCES:
patent: 3568380 (1971-03-01), Stucky
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