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1. US20080028720 - An Improved Beam

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United States of America
Application Number 10561185
Application Date 23.06.2004
Publication Number 20080028720
Publication Date 07.02.2008
Publication Kind A1
IPC
E04C 3/04
EFIXED CONSTRUCTIONS
04BUILDING
CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
3Structural elongated elements designed for load-supporting
02Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms
04of metal
E04B 5/10
EFIXED CONSTRUCTIONS
04BUILDING
BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
5Floors; Floor construction with regard to insulation; Connections specially adapted therefor
02Load-carrying floor structures formed substantially of prefabricated units
10with metal beams or girders, e.g. with steel lattice girders
E04C 3/02
EFIXED CONSTRUCTIONS
04BUILDING
CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
3Structural elongated elements designed for load-supporting
02Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms
E04C 3/07
EFIXED CONSTRUCTIONS
04BUILDING
CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
3Structural elongated elements designed for load-supporting
02Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms
04of metal
06with substantially solid, i.e. unapertured, web
07at least partly of bent or otherwise deformed strip- or sheet-like material
E04C 3/29
EFIXED CONSTRUCTIONS
04BUILDING
CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
3Structural elongated elements designed for load-supporting
02Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms
29built-up from parts of different materials
E04C 3/292
EFIXED CONSTRUCTIONS
04BUILDING
CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
3Structural elongated elements designed for load-supporting
02Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms
29built-up from parts of different materials
292the materials being wood and metal
Applicants Smorgon Steel LiteSteel Products Pty Ltd
Inventors Bartlett Ross John
Dempsey Ross Ian
Watkins Russell Lambert
Noller Alexander
Yokoyama Keiji
Agents LEYDIG VOIT &; MAYER, LTD
Priority Data 2003903142 23.06.2003 AU
Title
(EN) An Improved Beam
front page image
Abstract
(EN)

A hollow flange channel beam has a planar web with a pair of narrow rectangular cross-section flanges extending along opposite sides of said web and extending perpendicular to a face of said web in the same direction. The section capacity is optimized when Wf=(0.3)Db, Wf=(3.0)Df and WF=(30)t.
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