Heat-insulated structural section assembly

Details Heat-insulated structural section assembly Heat-insulated structural section assembly

1978-12-07

1980-11-04

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Machine or implement

49DIG1, E04C 330

Patent

active

042312078

ABSTRACT:
This invention relates to heat-insulated structural section assemblies for use in manufacturing window and door frames. There is disclosed a structural section assembly consisting of two metal structural sections having integral flanges defining opposed longitudinally extending grooves together with the webs of the respective structural metal sections, and transversely connected to each other by a pair of plastic heat-insulating bars, said structural metal sections defining an enclosed air space together with said heat-insulating bars and said flanges being adapted to clamp the ends of said heat-insulating bars within said opposite grooves, those flanges for clamping one heat-insulating bar which are adjacent to said inner space being made longer than the flanges for clamping the other heat-insulating bar, so that when the longer flanges are bent against the one heat-insulating bar a more stronger connection is provided.

REFERENCES:
patent: 3823524 (1974-07-01), Weinstein
patent: 4096678 (1978-06-01), Diels et al.

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