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    Apparatus for de-airing material in an extruder that includes a vent block
    14.
    发明授权
    Apparatus for de-airing material in an extruder that includes a vent block 有权
    用于在包括通气块的挤出机中去除材料的装置

    公开(公告)号：US08992068B2

    公开(公告)日：2015-03-31

    申请号：US14483666

    申请日：2014-09-11

    申请人： The Bonnot Company

    发明人： Kurt G. Houk

    IPC分类号： B29B7/84 ,  B29C47/76 ,  B29C47/50

    CPC分类号： B29C47/763 ,  B29C47/0009 ,  B29C47/385 ,  B29C47/50 ,  B29C47/6012 ,  B29C47/6018 ,  B29C47/767

    摘要： An extruder for feeding material and for removing gas from the fed material. The extruder includes a vent block positioned between a first and second auger. The vent block including a vent cavity having a feed end and an exit end, an inner feed ring that partially extends into said vent cavity at the feed end of the vent cavity, and a screw element rotatably positioned in the vent cavity. A front portion of the outer ring is longitudinally aligned with or overlapping the front end of the inner feed ring. The outer ring forms at least one gap or opening at or adjacent the feed end of the vent cavity to enable a vacuum to be pulled on the vent cavity as material is moved though the vent cavity from the feed end to the exit end by the screw element.

    摘要翻译： 一种挤出机，用于供料并从供料中除去气体。 挤出机包括位于第一和第二螺旋推运器之间的通气块。 所述通气块包括具有进料端和出口端的通气腔，在所述通气腔的进料端处部分地延伸到所述通气腔中的内部进料环和可旋转地定位在所述通气腔中的螺杆元件。 外环的前部与内部供给环的前端纵向对准或重叠。 外环在通气腔的进料端处或邻近通气腔的至少一个间隙或开口处形成，以使得当材料通过排气腔从进料端移动到出口端时由螺杆 元件。