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Document Number
US Patent 6050048
Issued Date
April 18, 2000
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Abstract
An elongate beam that is constructed of a sheet metal having expanded metal sections. The beam has a closed profile that has at least two side sections at least one of which includes expanded metal. The opposite side edges of the sheet metal are connected to one another so that the sheet metal forms a closed beam structure.
Drawing
Beam - US Patent 6050048 Drawing
Drawing from US Patent 6050048
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Number of Claims:
13
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Owner
Balcus AB (Tranas,SE)
Published
April 18, 2000
Application Number
09/035,842
Filed
March 6, 1998
US Classification
52/731.3   52/670 52/732.2
Int'l Classification
E04C   3/30   (20060101)   E04C   3/04   (20060101)   E04C   3/08   (20060101)   E04C   3/32   (20060101)  
Attorney/Law Firm
Parent Case
This application is a continuation-in-part of U.S. application Ser. No. 08/836,178, filed Apr. 23, 1997, now U.S. Pat. No. 5,778,626.
Priority Data
Sep 07, 1995 [SE] 9503074
USPTO Field of Search
52/670   52/731.3   52/732.2  
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