Method of manufacturing a damped resonator acoustical panel

Details Method of manufacturing a damped resonator acoustical panel Method of manufacturing a damped resonator acoustical panel

1983-10-12

1985-03-12

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156290, 156291, 156320, 181284, 181292, 181296, B32B 3112, G10K 1116

Patent

active

045043469

ABSTRACT:
A method of manufacturing a damped resonator acoustical panel in which a porous acoustical damping fabric and a resin impregnated open weave fabric are laid up and subjected to moulding by the application of heat and pressure thereto to cause a portion of the resin from the open weave fabric to impregnate the abutting portions of the acoustical damping fabric and bond the fabrics together. A film of an adhesive is then applied to the open weave fabric and heated by a hot gas stream until it reticulates. The bonded fabrics are then bonded to the edges of an open honeycomb core by means of the reticulated adhesive. A solid sheet is bonded to the other side of the honeycomb core in order to close the cells thereof.

REFERENCES:
patent: 3166149 (1965-01-01), Hulse et al.
patent: 3502171 (1970-03-01), Cowan
patent: 4111081 (1978-09-01), Hilliard et al.

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