Static structures (e.g. – buildings) – Installed screed or unit with specified feature retaining... – Composite – including pierceable nonmetal component
Patent
1978-05-02
1979-06-05
Lazarus, Richard B.
Static structures (e.g., buildings)
Installed screed or unit with specified feature retaining...
Composite, including pierceable nonmetal component
52729, 52731, E04H 1234, E04B 500
Patent
active
041569997
ABSTRACT:
A concrete forming structure is provided wherein a pair of substantially parallel trusses have a plurality of beam members placed transversely across their upper end with a substantially planar upper deck secured to the upper edges of the beams. Each beam has an upper portion which comprises an open, inverted top hat section into which a wooden joist member may be forced and graspingly secured in snug manner. Panels, such as plywood, which are usually used for concrete forming, may be nailed or screwed to the concrete forming structure at the wooden joists engaged in the open top hat sections of the beams. The deflection resistance of a beam having a wooden joist graspingly and snugly secured therein is improved over that of an I-beam having a similar metal cross-section. When a floor panel poured on the concrete forming structure is cured, the structure may be lowered from beneath that panel and "flown" using known construction cranes to a position several storeys above the floor from which it had just been removed in order for a new floor panel to be poured on the emplaced concrete forming structure.
REFERENCES:
patent: 1586053 (1926-05-01), Snyder
patent: 2182015 (1939-12-01), Davis, Jr.
patent: 3336708 (1967-08-01), Rambelle
Aluma Building Systems, Inc.
Brown John S.
Edell Ira C.
Hewson Donald E.
Lazarus Richard B.
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