| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of a carbon fiber bundle which prevents scattering of sizing process liquid in surroundings and can apply appropriate quantity of sizing agent equally to the carbon fiber bundle in a sizing process of the carbon fiber bundle.SOLUTION: In a process squeezing sizing process liquid by fastening a carbon fiber bundle impregnating sizing agent with a nip roller consisting of a pair of rollers, gas is sprayed to the gap between the pair of rollers and the sprayed direction is from the end side to the center side in the axial direction of the nip roller.SELECTED DRAWING: Figure 1 |
