Structural beam

Details Structural beam Structural beam

1991-06-27

1993-09-21

Friedman, Carl D.

Static structures (e.g., buildings)

Machine or implement

156 86, 156185, 52720, E04C 300

Patent

active

052458130

ABSTRACT:
A structural beam having a core with a multiplicity of wrappings therearound of shrinkable material, such wrappings being of greater mass than the core and in one embodiment having interlayers of fiber materials between the wrappings of shrinkable material.

REFERENCES:
patent: 4225370 (1980-09-01), Dickey
patent: 4598755 (1986-07-01), Brotz
patent: 4608284 (1986-08-01), Roales
patent: 4692286 (1987-09-01), Brotz
patent: 5043033 (1991-08-01), Fyfe
patent: 5071501 (1991-12-01), Doi et al.
patent: 5076871 (1991-12-01), Frye et al.

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