Iso-beam and process for its manufacture from nested hollow...

Details Iso-beam and process for its manufacture from nested hollow... Iso-beam and process for its manufacture from nested hollow...

E - Fixed Constructions

04

C

26/181, 20/48

E04C 3/12 (2006.01) E04C 3/14 (2006.01)

Patent

CA 1163774

P2711 ABSTRACT A process for manufacturing a beam includes simultaneously modulating the size of the cross-section of the beam in a plurality of transverse directions in order to adapt various portions of the beam to both shear and flexional forces to which the beam is subjected. The process includes forming the beam by successively nesting a plurality of hollow, different width assemblies. Each assembly is formed by joining framework portions of the beam to side walls so as to form the hollow assemblies which are successively nestable within the next larger assembly. The beam comprises a plurality of hollow assemblies, each of which includes at least two boards and side walls connecting the boards. Each portion of the cross- section of the beam has hollow assemblies nested within one another.

375901

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