Sound attenuation sandwich panel including barrier material for

Details Sound attenuation sandwich panel including barrier material for Sound attenuation sandwich panel including barrier material for

1982-09-22

1984-02-21

Epstein, Henry F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

52806, 181292, 428137, B32B 312

Patent

active

044330219

ABSTRACT:
A layer of non-metallic open weave fabric sandwiched between the perforate sheet and an outer thin sheet of microporous fabric of a broad band noise attenuation panel comprising a cellular core adhesively bonded between a pair of metal facing sheets, one perforate and the other imperforate in order to provide enhanced durability in a severe environment. The microporous fabric is constructed from a metal different from at least the perforated sheet and is adhered to the perforated sheet. A method of manufacture of such panel is disclosed.

REFERENCES:
patent: 4242176 (1980-12-01), Riel
patent: 4254171 (1981-03-01), Beggs et al.
patent: 4269882 (1981-05-01), Carrillo et al.
patent: 4271219 (1981-06-01), Brown
patent: 4291079 (1981-09-01), Hom
patent: 4292356 (1981-09-01), Whitemore et al.
patent: 4294329 (1981-10-01), Rose et al.

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