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US 4,930,278 AGranted
Composite cementitious building panels
AssigneeIn-Ve-Nit International Inc.
InventorsStjepan Staresina, John A. Rowe
Life of this patent
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Abstract
Composite building panels comprising a slab of cementitious fiber reinforced material and a stud framework keyed thereto. The studs have a flange which abuts the inner surface of the slab, and a plurality of tabs which project downwardly from the flange to key the stud. Adjacent tabs are axially spaced apart, and may also be transversely staggard, to reduce the incidence of cracking of the slab, and may be upset from the flange material. The slabs may be relatively thin i.e. 2 cms. The tabs may also serve to retain rod or mesh reinforcement in thicker slabs.
Claims15
A building panel comprising:
- a thin slab of cementitious material having a generally planar inner surface;
- a plurality of transversely spaced apart axially elongated studs, each said stud including a flange portion and a web portion upstanding from said flange portion;
- and
- a plurality of finger like tabs connected directly to said flange portion at axially spaced apart intervals therealong to downwardly depend therefrom,
- said tabs each comprising a minor root portion contained in a plane generally at right angles to the plane of said flange portion, and a major end portion contained in a plane generally parallel to the plane of said flange portion,
- said flange portion locating substantially in the planar inner surface of said slab with said tabs being embedded in said slab to lock said studs thereto.
3 more elements
Dependencies are inferred from the claim text.