Toughened, non-crimped unidirectional fabric apparatus and...

Details Toughened, non-crimped unidirectional fabric apparatus and... Toughened, non-crimped unidirectional fabric apparatus and...

2005-01-07

2008-10-14

Torres-Velazquez, Norca (Department: 1794)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Woven fabric

Woven fabric including a nonwoven fabric layer other than paper

C442S277000, C442S185000, C442S186000, C442S217000, C442S189000

Reexamination Certificate

active

07435693

ABSTRACT:
A non-crimped, unidirectional fabric. The fabric includes a plurality of non-crimped, unidirectional fibers arranged parallel to one another. Weft fibers are arranged perpendicular to the non-crimped, unidirectional fibers. Warp fibers are arranged parallel to the non-crimped, unidirectional fibers. The weft fibers are woven around the non-crimped, unidirectional fibers and around the warp fibers without crimping the unidirectional fibers. A non-woven thermoplastic fabric is secured, such as by melt bonding, to the non-crimped unidirectional fibers to act as a toughening layer and improve the impact resistance of the fabric after it is molded into a part. The resulting fabric has excellent end-to-end uniformity, excellent resistance to fluids often encountered in aerospace and commercial aircraft applications, is readily adapted for use with conventional liquid-molding operations, and is ideally suited to aerospace and aircraft manufacturing applications where lightweight yet structurally strong component parts are needed.

REFERENCES:
patent: 5192601 (1993-03-01), Neisler
patent: 5538781 (1996-07-01), Rao et al.
patent: 5891516 (1999-04-01), Gstrein et al.
patent: 6265333 (2001-07-01), Dzenis et al.
patent: 6503856 (2003-01-01), Broadway et al.
patent: 2005/0085147 (2005-04-01), Homma et al.
patent: 1 125 728 (2001-08-01), None

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