Composite preforms with groves for fibers and groves for off-gassing
First Claim
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1. A composite preform comprising:
- foil having an edge and a first groove and a second groove defined therein, said second groove running from said first groove to the edge of the foil; and
filamentary reinforcement positioned within the first groove.
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Abstract
The invention is directed to composite preforms which comprise reinforcing fiber deposited in grooves pre-formed in a metal or ceramic foil.
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Citations
14 Claims
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1. A composite preform comprising:
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foil having an edge and a first groove and a second groove defined therein, said second groove running from said first groove to the edge of the foil; and filamentary reinforcement positioned within the first groove. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A composite preform comprising:
a plurality of foils configured into a predetermined structural shape, each of said foils having a groove defined therein containing fiber reinforcement and off-gassing means comprising a second groove formed in the foil. - View Dependent Claims (10, 11, 12)
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13. A composite preform comprising:
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(a) a foil having a groove defined therein, said groove shaped as an archimedial spiral; and (b) a continuous monofilament disposed in said spiral groove. - View Dependent Claims (14)
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Specification