Structural wooden joist

Details Structural wooden joist Structural wooden joist

1996-08-01

1997-09-09

Canfield, Robert

Static structures (e.g., buildings)

Machine or implement

52693, 526501, 527307, E04C 312

Patent

active

056643934

ABSTRACT:
The structural wooden joist described comprises a lower chord, an upper chord spaced from the lower chord and an openwork web structure joining the chords. The web structure includes, between opposite ends thereof, a series of horizontally spaced trapezoidal laminated panels defining a series of triangular spacings therebetween; each panel has opposite short and long sides adhesively joined to the lower and upper chords respectively and each panel is formed of short obliquely extending boards adhesively secured edgewise to one another.

REFERENCES:
patent: 3626653 (1971-12-01), Amirikian
patent: 4074498 (1978-02-01), Keller et al.
patent: 4191000 (1980-03-01), Henderson
patent: 4228631 (1980-10-01), Geffe
patent: 4336678 (1982-06-01), Peters
patent: 4580922 (1986-04-01), Coppa
patent: 4803824 (1989-02-01), Coppa
patent: 4827688 (1989-05-01), Tene
patent: 4974389 (1990-12-01), Onysko et al.
patent: 5267425 (1993-12-01), Onysko et al.
patent: 5437136 (1995-08-01), Triebel
patent: 5560177 (1996-10-01), Brightwell

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