Composite structures incorporating multiple resin-based systems

Details Composite structures incorporating multiple resin-based systems Composite structures incorporating multiple resin-based systems

1994-11-08

1996-05-28

Raimund, Christopher W.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428252, 4273722, B32B 700

Patent

active

055209998

ABSTRACT:
A composite structure is provided. The structure is based upon a three-dimensional woven fabric structure. The three-dimensional woven fabric has a first fabric layer and a second fabric layer spaced apart from the first fabric layer, with the layers connected by threads which form a portion of the three-dimensional woven fabric structure. The threads define voids in the space between the first and second layers. A first resinous material is coated onto and allowed to penetrate the first layer of the woven fabric structure. Next a second resinous material is coated onto and allowed to penetrate the second layer of the woven fabric structure. The voids are filled with a third resinous material. In order to complete the formation of the composite structure, the resins are fully cured. Using this method it is possible for the resinous materials to be chemically incompatible, yet mechanically attached by the cloth material.

REFERENCES:
patent: 2769742 (1956-11-01), Helbing
patent: 3607600 (1971-09-01), Schreter et al.
patent: 4157415 (1979-06-01), Lindenberg
patent: 4539253 (1985-09-01), Hirschbuehler et al.
patent: 4927699 (1990-05-01), Melcher
"Parabeam, Gamma Holding Nederland N.V." product brochure, pp. 1-7. Apr. 1993.

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