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US 4,061,812 AGranted
Honeycomb-laminate composite structure
AssigneeThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration
InventorsWilliam J. Gilwee, Jr., John A. Parker
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Abstract
A honeycomb-laminate composite structure comprising A. a cellular core of a polyquinoxaline foam in a honeycomb structure, and B. a layer of a non-combustible fibrous material impregnated with a polyimide resin laminated on the cellular core, A process for producing the honeycomb-laminate composite structure and articles containing the honeycomb-laminate composite structure.
Claims12
A honeycomb-laminate composite structure comprising
- a. a cellular core of a polyquinoxaline foam in a honeycomb structure, said foam having a density within the range of about 1.5 to about 5 lb/ft.sup.3, and
- b. a layer of a non-combustible fibrous material impregnated with a polyimide resin laminated thereon.
Dependencies are inferred from the claim text.