Floor joist with built-in truss-like stiffner

Details Floor joist with built-in truss-like stiffner Floor joist with built-in truss-like stiffner

1995-02-14

1997-11-18

Friedman, Carl D.

Static structures (e.g., buildings)

Machine or implement

52100, 527201, 527311, 527371, E04C 307

Patent

active

056875380

ABSTRACT:
Floor joist fabricated of metal including a formed structure enhancing areas along and about a main planar web surface.

REFERENCES:
patent: D157994 (1950-04-01), Palmer
patent: 2733786 (1956-02-01), Drake
patent: 4016700 (1977-04-01), Blomstedt
patent: 4611480 (1986-09-01), Willetts
patent: 4709519 (1987-12-01), Liefer et al.
patent: 4793113 (1988-12-01), Bodnar
patent: 4964256 (1990-10-01), McCracken
patent: 5157883 (1992-10-01), Meyer
patent: 5315804 (1994-05-01), Attalla
PCT Intl Pub No. WO89/03920 May 5, 1989 Ingvarsson.

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