Ventilation inset for shielding cabins and room screening device

Details Ventilation inset for shielding cabins and room screening device Ventilation inset for shielding cabins and room screening device

1983-05-25

1985-11-05

Friedman, Carl D.

Static structures (e.g., buildings)

Composite prefabricated panel including adjunctive means

Perforate panel having separate attached, elongated edging...

52807, 52145, E04C 232

Patent

active

045505454

ABSTRACT:
A ventilation inset for shielded cabins and room screening devices, includes mutually parallel and spaced apart adjacent metal sheets each having slots formed therein, the slots in each of the sheets being shifted relative to the slots in the next adjacent sheet, and a multiplicity of air-permeable waveguides disposed between each two adjacent sheets providing communication between the interior of the cabins and the surroundings.

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