Reinforced bead

Details Reinforced bead Reinforced bead

1989-01-13

1989-08-01

Scherbel, David A.

Static structures (e.g., buildings)

Machine or implement

52484, 52720, 52730, E04B 552

Patent

active

048523259

ABSTRACT:
A grid tee or member for suspended ceilings has a reinforced bead, a central web and a pair of flangs formed from a single sheet of metal. The reinforced bead has a continuous outer upper surface and can either be a hollow reinforced bead with a rectangular or triangular configuration or a solid bead having a thickness of at least four layers. The hollow bead structure can have a single layer for the top continuous surface with at least two side portions having at least three layer thicknesses, or can be a single top layer, which has more than three layers.

REFERENCES:
patent: Re31528 (1984-03-01), Mieyal
patent: 991603 (1911-05-01), Brooks
patent: 2448362 (1948-08-01), Earhart
patent: 4409771 (1983-10-01), Lowe
patent: 4455806 (1984-06-01), Rice
patent: 4520609 (1985-06-01), Worley et al.
"Heavy Duty Main Tee", 3-6-64, Donn Products, Inc, Westlake, Ohio.

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