Reinforced bead
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United States of America Patent
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-
Aug 1, 1989
Issued Date -
N/A
app pub date -
Jan 13, 1989
filing date -
Oct 26, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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