Structural beam

Details Structural beam Structural beam

1994-05-03

1996-09-10

Mai, Lanna

Static structures (e.g., buildings)

Machine or implement

527306, 527311, 527317, E04C 330

Patent

active

055534376

ABSTRACT:
A fabricated structural beam includes at least one longitudinally folded member having a web portion and a head portion. In different embodiments, a plurality of folded members may be interleaved with one another to provide configurations of varying load carrying capabilities. In all cases, the folded head portion is made rigid by forming it into a tube that is closed on all sides.

REFERENCES:
patent: 1360720 (1920-11-01), Brown et al.
patent: 2082792 (1937-06-01), Dean
patent: 3698224 (1972-10-01), Saytes

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