Method and apparatus for manufacturing carbon fibers

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United States of America Patent

PATENT NO 11525193
APP PUB NO 20200392647A1
SERIAL NO

17004399

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Abstract

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A method and apparatus for manufacturing a carbon fiber. Pressure is applied to a filament to change a cross-sectional shape of the filament and create a plurality of distinct surfaces on the filament. The filament is converted into a graphitic carbon fiber having the plurality of distinct surfaces. A plurality of sizings is applied to the plurality of distinct surfaces of the graphitic carbon fiber in which the plurality of sizings includes at least two different sizings.

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Patent Owner(s)

Patent OwnerAddress
THE BOEING COMPANY100 N RIVERSIDE CHICAGO IL 60606-1596

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hartshorn, Scott Snohomish, US 10 27
Humfeld, Keith Daniel Federal Way, US 78 204

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