- 专利标题： SERPENTINE INSERT FOR OPEN WEB GRID
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申请号： US13495017申请日： 2012-06-13
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公开(公告)号： US20130333317A1公开(公告)日： 2013-12-19
- 发明人: James J. Lehane, JR. , Peder J. Gulbrandsen
- 申请人： James J. Lehane, JR. , Peder J. Gulbrandsen
- 申请人地址： US IL Chicago
- 专利权人： USG Interiors, LLC
- 当前专利权人： USG Interiors, LLC
- 当前专利权人地址： US IL Chicago
- 主分类号： E04B9/18
- IPC分类号： E04B9/18 ; B23P17/04
摘要：
A grid runner and method of its manufacture that saves material content with use of a serpentine sheet metal web configured to be essentially scrapless and that results in a parallel chord truss-like construction with open spaces between an upper reinforcing bulb and a lower flange.
公开/授权文献
- US09021759B2 Serpentine insert for open web grid 公开/授权日：2015-05-05