Fabricated structural tube

Details Fabricated structural tube Fabricated structural tube

1989-03-08

1991-02-05

Safavi, Michael

Static structures (e.g., buildings)

Machine or implement

E04C 332

Patent

active

049893904

ABSTRACT:
A flat blank is folded into a tubular support having a parallelogram cross-section with planar side faces extending longitudinally between opposite ends at which the blank is cut and folded into end formations. Two or three of the tubular supports are interconnected at their end formations abutting in one or two abutment planes transverse to the side faces to form a structural assembly.

REFERENCES:
patent: 2956315 (1960-10-01), Lipp et al.
patent: 3394525 (1968-07-01), McKee et al.
patent: 3498654 (1970-03-01), Diaz et al.
patent: 3570376 (1971-03-01), Overton, III
patent: 3827206 (1974-08-01), Nierle

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