Self-supporting insulation element

Details Self-supporting insulation element Self-supporting insulation element

1982-06-22

1984-02-21

Perham, Alfred C.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

52172, 52202, 52789, 156109, 160371, 428 34, E04B 100

Patent

active

044321740

ABSTRACT:
A single foil is biaxially stretched on a frame for movement relative thereto by being secured intermittently to a single rubbing strip over a guide ledge. The rubbing strip is stretchable and movable lengthwise of the associated frame side. Torsional forces arising because of the one-sided loading of the frame by the stretched foil are taken up by the frame which is made with a torsionally rigid cross-section.
The single foil can be clamped without creasing and in a manner which ensures freedom from creasing notwithstanding differences in the heat expansion of the foil and frame.

REFERENCES:
patent: 1988964 (1935-01-01), Barrows
patent: 2599410 (1952-06-01), Probst
patent: 2618333 (1952-11-01), Judd
patent: 3929186 (1975-12-01), Becker
patent: 4203264 (1980-05-01), Kiefer et al.
patent: 4333284 (1982-06-01), Meadows

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