Static structures (e.g. – buildings) – Machine or implement
Patent
1983-12-19
1987-01-27
Friedman, Carl D.
Static structures (e.g., buildings)
Machine or implement
52690, E04C 330
Patent
active
046386190
ABSTRACT:
The present invention entails a wood I-joist and method of manufacturing and fabricating the same. Structurally the wood I-joist comprises a web assembly secured between two wood flange assemblies. Each wood flange assembly comprises a plurality of individual wood members secured together in end-to-end relationship to form an elongated wooden member subassembly that extends the entire length of each respective wood flange assembly. A series of wood member subassemblies are glued together in side-by-side relationship to form a respective wood flange assembly. In forming each wood flange assembly, an inner side is provided for receiving the web assembly. Each inner side is formed by providing an opening or void that stretches the entire length of each wood flange assembly to secure the web assembly within this opening or void. There is provided a number of wood wedge members which are driven into the web receiving opening, between each side of the web and an adjacent side of the wood flange assembly. The presence of these wood wedge members binds the web assembly and secures the same within the respective wood flange assemblies.
REFERENCES:
patent: 2230628 (1941-02-01), Sahlberg
patent: 3991535 (1976-11-01), Keller et al.
Friedman Carl D.
Slack Naoko N.
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