Reinforced bead

Details Reinforced bead Reinforced bead

1989-04-06

1990-06-12

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

Machine or implement

52484, 52720, 52730, E04B 552

Patent

active

049321862

ABSTRACT:
A grid tee for suspended ceiling systems having a central web with a reinforced, substantially circular bead on one edge of the web and a pair of flanges. The reinforced bead can be composed of a double layer, which layers are interconnected by reversed bends adjacent to the web so that the web extends into the bead. In another embodiment, the bead is a closed circular bead having portions of three layers interconnected by reversed bends adjacent to the layers of the web with the outer layer of each portion being a continuous layer.

REFERENCES:
patent: Re31528 (1984-03-01), Mieyal
patent: 991603 (1911-05-01), Brooks
patent: 2448362 (1948-08-01), Earhart
patent: 4189893 (1980-02-01), Kuhr
patent: 4409771 (1983-10-01), Lowe
patent: 4455806 (1984-06-01), Rice
patent: 4520609 (1985-06-01), Worley et al.
patent: 4852325 (1989-08-01), Dunn et al.
"Heavy Duty Main Tee" 3-6-64, Donn Products, Inc., Westlake, Ohio.

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