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    • 10. 发明专利
    • BIAXIAL EXTRUDER
    • JPH05228921A
    • 1993-09-07
    • JP7281892
    • 1992-02-24
    • JAPAN STEEL WORKS LTD
    • YOSHIDA MINORUMIZUGUCHI HIDEKIMUKUDA NOBUOMIZOGUCHI MITSUAKIOGOSHI TOSHIHARU
    • B29B7/46
    • PURPOSE:To prevent the deterioration of the performance of a biaxial extruder even when the biaxial extruder and the whole succeeding device are installed on the same floor. CONSTITUTION:A biaxial extruder 20 has a cylinder 10, to which mutually parallel two screw holes 10e are formed, and screws 12 rotatably fitted to the screw holes respectively. A raw material charged from the raw-material charging port of the cylinder 10 is melted and kneaded by the screws 12, and extruded to the outside from a discharging path 32. The cylinder 10 is arranged so that axial surfaces passing through both axes of the screw holes 10e are made horizontal. In the discharging path 32, an opening section 10c on the screw hole 10e sides of the path 32 is disposed to the lower sections or upper sections of the screw holes 10e while the direction of the path center line of the path 32 is changed gradually into approximately the horizontal direction from the vertical direction, thus forming a discharge opening 10d on the reverse side to the opening section 10c so as to be opened to the side face section of the cylinder 10. Both screws 12 are rotated in the mutually different directions in the direction that the raw material is discharged toward the opening section 10c from the screw holes 10e.