Extruder

Extruder

  • CN 101,801,207 B
  • Filed: 07/03/2008
  • Issued: 08/10/2016
  • Est. Priority Date: 07/03/2007
  • Status: Active Grant
First Claim
Patent Images

1. an extruder, including:

  • one and one is arranged on the interior spiral for rotating of cylinder, and described spiral includes spiral unitPart, described cylinder includes;

    Towards one of one end for the material inlet being extruded, and a material outlet towards the other end;

    AndA fluid intake on barrel and a fluid issuing, wherein said fluid intake and fluid issuing are along barrel length sideTo separation;

    Described screw element includes the first screwing element, has between the fluid inlet and fluid issuing of cylinder the first of upstream portionSpacing, and the second screwing element, have between described fluid inlet and fluid issuing the second spacing of part, the second gap ratio theOne spacing width;

    Or,The helical axis diameter of described spiral is variable and flight pitch is fixed;

    Described spiral can make the material in cylinder along cylinder part between fluid intake and fluid issuing than the upper downstream of described partFaster, described fluid intake and fluid issuing one of them be connected to a pump so that have pressure between fluid intake and fluid issuingPower is poor.

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