Wooden I-beam with integrated insulating foam

Details Wooden I-beam with integrated insulating foam Wooden I-beam with integrated insulating foam

1988-09-02

1989-08-01

Murtagh, John E.

Static structures (e.g., buildings)

Insulating insert; e.g., filler in cavity in preconstructed...

Insulation suspended from discrete member within cavity

52690, 52729, E04C 329

Patent

active

048523224

ABSTRACT:
Two elongated parallel rails have facing surfaces each with a longitudinally extending central groove opening toward the groove of the other rail. A rigid web sheet has its opposite longitudinal margins fitted in the grooves so as to form, in combination with the rails, a composite I-beam construction. Block units of a thickness approximately the same as the thickness of each rail are secured between the rails at opposite ends of the web sheet. Blocks of insulating foam fill the cavities at opposite sides of the web sheet.

REFERENCES:
patent: 1377891 (1921-05-01), Knight
patent: 3490188 (1970-01-01), Troutner
patent: 4191000 (1980-03-01), Henderson
patent: 4195462 (1980-04-01), Keller et al.
patent: 4336678 (1982-06-01), Peters
patent: 4413459 (1983-11-01), Lambuth
patent: 4677806 (1987-07-01), Tuomi

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