It possesses the spirit integral aspect where two which around the spirit integral surface null axis for the refiner

摘要

TadashiSei-men regard for the refiner to the fibrous material that contains lignocellulose, the present invention has a coaxial rotation TadashiSei-men two the refiner. Material that has been the fiber is supplied between the TadashiSei surface having a bar and groove both. In accordance with the present invention, on their outer surface, when the TadashiSei-men are relatively moving, force to push the TadashiSei-men away from each other their at least some of the bars of the TadashiSei-men and a slope lower than starting from the arrival direction of the bars of the other TadashiSei-men to be generated between.