Composite plastic structure and method for producing same

Details Composite plastic structure and method for producing same Composite plastic structure and method for producing same

1978-10-27

1982-04-06

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

15624411, 15624426, 15624427, 1563075, 156330, 156381, 422251, 422252, 422283, 422284, 422285, 422286, 422287, 422297, 422325, 422406, 422408, 422902, B32B 516, B32B 2704, B32B 2712, B32B 2720

Patent

active

043236235

ABSTRACT:
Core sandwich structure comprised of a lightweight core material in the form of a low density thermosetting resin matrix composition containing glass microballoons, particularly an epoxy resin containing glass microballoons, sandwiched between high strength fiber-thermosetting resin matrix outer sheets, particularly woven graphite-epoxy sheets. Employing epoxy resin as the preferred thermosetting resin, the epoxy core material is B-staged, placed between sheets of pre-preg woven graphite-epoxy material, and the assembly co-cured under pressure to form the core sandwich structure.

REFERENCES:
patent: 3554851 (1971-01-01), Modigliani
patent: 3582388 (1971-06-01), Stayner
patent: 3707434 (1972-12-01), Stayner
patent: 3936558 (1976-02-01), Bolen et al.
patent: 3996654 (1976-12-01), Johnson
patent: 4013810 (1977-03-01), Long
patent: 4028477 (1977-06-01), Goppel et al.
patent: 4095008 (1978-06-01), Sundstrom et al.
patent: 4121008 (1978-10-01), Seddon
patent: 4178406 (1979-12-01), Russell

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