Ply of parallel filaments

Details Ply of parallel filaments Ply of parallel filaments

1973-04-19

1976-04-27

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156181, 428295, 428303, 428337, 428339, 428340, 428367, 428902, B32B 714, D02G 300

Patent

active

039536416

ABSTRACT:
This invention provides a light ply of parallel continuous high-performance filaments, and a method of obtaining same.
The ply is characterized by a weight per unit surface of at most 450 g/m2, a thickness of at most 1 mm, a content of at least 85% by weight of high-performance fibers, a close structure, and furthermore comprising on at least one of its two faces fused synthetic yarns arranged transversely with respect to the direction of the high-performance filaments which hold the latter in place without passing through the ply from one face to the other.
The plies thus obtained are used for the manufacture of high-performance composite materials.

REFERENCES:
patent: 2943011 (1960-06-01), Rayner
patent: 3622429 (1971-11-01), Kippan
patent: 3669158 (1972-06-01), Phillips
patent: 3681185 (1972-08-01), Gelb
patent: 3695326 (1972-10-01), Bryant
patent: 3726751 (1973-04-01), Casadevall
patent: 3819461 (1974-06-01), Saffadi

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