Patent ID: 8196704

Claim:
A method of producing a linear acoustic liner, the method comprising: (a) placing a release layer between at least one outer composite layer and at least one inner composite layer; (b) restraining the outer and inner composite layers in a desired configuration; (c) curing the outer and inner composite layers in the restrained configuration; (d) forming a plurality of spaced openings through the cured outer and inner composite layers; (e) separating the cured outer composite layer and the cured inner composite layer from the release layer; (f) inserting a porous layer and a first adhesive material between the cured outer and inner layers and realigning the spaced openings in the outer and inner composite layers; (g) curing the first adhesive material to form a cured perforated face skin; and (h) bonding the cured perforated face skin to an open cell core.