发明名称 |
GRID RUNNER FOR A SUSPENDED CEILING |
摘要 |
A roll-formed grid runner comprising a sheet metal strip folded into an upper hollow single wall reinforcing bulb, a double wall web below the bulb, a channel extending laterally from both sides of a lower end of the web to a bend and upwardly from the bend to a panel supporting elevation, the bend on each side of the web existing at a longitudinally extending score line where a thickness of the strip is locally reduced. |
申请公布号 |
EP2601362(B1) |
申请公布日期 |
2016.09.07 |
申请号 |
EP20110738914 |
申请日期 |
2011.07.22 |
申请人 |
USG INTERIORS, LLC |
发明人 |
LEHANE, JAMES J.;GULBRANDSEN, PEDER J.;HAMMOND, JOHN L.;UNDERKOFLER, ABRAHAM M.;PAULSEN, MARK R. |
分类号 |
E04B9/06;E04B9/24 |
主分类号 |
E04B9/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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