Acoustic attenuating liner and method of making same

Details Acoustic attenuating liner and method of making same Acoustic attenuating liner and method of making same

1990-11-13

1992-09-29

Epstein, Henry F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

52806, 181292, 428138, B32B 312

Patent

active

051513110

ABSTRACT:
An acoustic attenuating liner has a non-metallic honeycomb core bonded on a backsheet. A corrosion-insulated perforated sheet is bonded to the honeycomb core by adhesive between the perforated sheet and the core. A mesh woven form corrosion-resistant metal is bonded to the perforated sheet by additional adhesive between the mesh and the perforated sheet for bonding said mesh to said perforated sheet. The additional adhesive has predetermined characteristics including a minimum viscosity of 1000 poises during curing.

REFERENCES:
patent: 3502171 (1970-03-01), Cowan
patent: 3690606 (1972-09-01), Pall
patent: 4090002 (1978-05-01), Rosenblum
patent: 4304376 (1981-12-01), Hilton
patent: 4350551 (1982-09-01), Michaelson
patent: 4433021 (1984-02-01), Riel
patent: 4567076 (1986-01-01), Therrien
patent: 4833029 (1989-05-01), DuPont et al.

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