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    • 75. 发明公开
    • Apparatus for processing extrudable materials
    • Vorrichtung zur Verarbeitung von towierbaren Materialien。
    • EP0523868A1
    • 1993-01-20
    • EP92305827.5
    • 1992-06-24
    • STORK PROTECON B.V.
    • Vincent, Maurice William
    • A21C11/20B29C47/46B29C47/40B29C47/64
    • B29C47/46A21C11/20B29C47/0009B29C47/40
    • A method and apparatus are disclosed for processing extrudable materials in such a way as to apply a controlled and predetermined degree of shear force to the materials.
      Typically, an extruder apparatus comprises a housing (1) having first and second screws (8,7) mounted therein for rotation on a common axis, the arrangement being such that longitudinal thrust forces exerted by the first screw (6) are at least partially compensated by corresponding forces generated by the second screw (7), inlet means for introducing material to be processed into the housing and a shear generating device (59,60) located between said screws, said device including a restriction through which material is forced from said housing (1) to exit from said housing (1).
      The restriction is preferably an annular gap (61,62) formed by a sleeve fixed relatively to the housing and a shaft (57,58) portion which extends into the sleeve.
    • 公开了一种用于处理可挤出材料的方法和装置,以便对材料施加受控和预定程度的剪切力。 通常,挤出机装置包括具有安装在其中以在公共轴线上旋转的第一和第二螺钉(8,7)的壳体(1),该布置使得由第一螺钉(6)施加的纵向推力至少部分地 由第二螺钉(7)产生的相应力补偿,用于将被加工材料引入壳体的入口装置和位于所述螺钉之间的剪切产生装置(59,60),所述装置包括限制,通过该限制材料被迫从 所述壳体(1)从所述壳体(1)离开。 限制优选地是由相对于壳体固定的套筒和延伸到套筒中的轴(57,58)部分形成的环形间隙(61,62)。