| 摘要 |
PROBLEM TO BE SOLVED: To obtain a carbon fiber bundle for filament winding in which the strength of carbon fiber used sufficiently reflects on the strength of a molding by filament winding obtained. SOLUTION: This carbon fiber bundle for filament winding is characterized in that the carbon fiber bundle comprises a carbon fiber bundle which is impregnated with a resin and has a flat crosssectional shape, has 40-90 flatness ratio (width/thickness) of the cross section of the carbon fiber bundle and 50-100 nm drape value and is not substantially twisted. |
