Honeycomb-laminate composite structure

US4061812A · kind A · utility

Assignee

• The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · US

Inventors

• William J. Gilwee, Jr. · Sunnyvale, US
• John A. Parker · Los Altos, US

Key dates

• Filing date: Jun 22, 1976
• Grant date: Dec 6, 1977
• Expiry date: Jun 22, 1996

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31721
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A honeycomb-laminate composite structure comprising PA1 A. a cellular core of a polyquinoxaline foam in a honeycomb structure, and PA1 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.