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US 5,664,393 AGranted
Structural wooden joist
OwnerRobert Veilleux, Mario Labrieinventors
Life of this patent
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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.
Claims9
A structural wooden joist comprising:
- a) an elongated lower chord;
- b) an elongated upper chord in a spaced apart generally parallel opposed relation to said lower chord;
- c) an openwork web structure joining said chords;
- said web structure including, between opposite ends thereof, a series of horizontally spaced trapezoidal laminated panels defining a series of triangular spacings therebetween;
- each said panel having opposite short and long sides adhesively joined to said lower and upper chords respectively;
- each said panel being formed of short obliquely extending boards adhesively secured edgewise to one another.
3 more elements
Dependencies are inferred from the claim text.