Invention Grant
- Patent Title: Single web grid with reinforced bulb
- Patent Title (中): 带加强灯泡的单网格
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Application No.: US12187462Application Date: 2008-08-07
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Publication No.: US07946089B2Publication Date: 2011-05-24
- Inventor: Paul D. LaLonde
- Applicant: Paul D. LaLonde
- Applicant Address: US IL Chicago
- Assignee: USG Interiors, Inc.
- Current Assignee: USG Interiors, Inc.
- Current Assignee Address: US IL Chicago
- Agency: Pearne & Gordon LLP
- Main IPC: E04B9/06
- IPC: E04B9/06
Abstract:
Manufacture of roll formed one piece sheet metal grid tees that affords different load ratings with the same gauge and quality of sheet stock and the same overall cross-section dimensions by varying the width of the strip used to make the tees and disposing material added for increased load rating at the area of the hollow reinforcing bulb of the tees.
Public/Granted literature
- US20080289280A1 SINGLE WEB GRID WITH REINFORCED BULB Public/Granted day:2008-11-27
Information query
