Dimensionally stable composite material and process for the manu

Details Dimensionally stable composite material and process for the manu Dimensionally stable composite material and process for the manu

1982-01-12

1983-06-21

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

156148, 156179, 156243, 1563073, 156324, 428187, 428223, 428224, 428246, 428251, 428252, 428257, 428284, 428408, B32B 312

Patent

active

043894470

ABSTRACT:
The dimensionally stable composite material consists of a double fabric with spacer filaments. On both sides of the double fabric there is a plastics layers. Face and back fabric of the double fabric are linked with each other by means of incorporated rigid filaments which prevent the double fabric to be squeezed. The exterior plastics layers are curable laminates. FIG. 1 shows such a composite material.
The material is obtained by applying fiber mats impregnated with curable synthetic resins to both sides of the double fabric containing spacer filaments, and subsequently bonding fiber mats and double fabric by compression.

REFERENCES:
patent: 2841515 (1958-07-01), Runton
patent: 3481427 (1969-12-01), Dobbs et al.
patent: 3943980 (1976-03-01), Rheaume
patent: 3966013 (1976-06-01), Hatch et al.
patent: 3969563 (1976-07-01), Hollis

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