Semi-rigid, light weight fiber glass/polymide foam sandwich blan

Details Semi-rigid, light weight fiber glass/polymide foam sandwich blan Semi-rigid, light weight fiber glass/polymide foam sandwich blan

1995-01-24

1997-03-18

Bell, James J.

Aeronautics and astronautics

Aircraft structure

Fuselage and body construction

244120, 244132, B64C 100

Patent

active

056115040

ABSTRACT:
A semi-rigid, light weight insulation blanket is composed of a skeleton having porous cavities sandwiched between layers of fiber glass. The polyimide foam skeleton prevents sagging particularly in crown and upper sidewall areas of an aircraft thereby maintaining a predetermined offset from the skin fuselage reducing corrosion of the primary structure from moisture condensate. This configuration provides similar acoustic performance with reduced weight.

REFERENCES:
patent: 3867244 (1975-02-01), Adams
patent: 4557961 (1985-12-01), Gorges
patent: 4780167 (1988-10-01), Hill
patent: 4915998 (1990-04-01), Parenti, Jr. et al.
patent: 4964936 (1990-10-01), Ferro
patent: 5169700 (1992-12-01), Meier et al.
patent: 5398889 (1995-03-01), White et al.

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