| 摘要 |
<p>The invention concerns an extruder (100) comprising a first element (110) and a second element (130) cascade-mounted. Each element comprises a sheath (111, 131) wherein is housed an extruder screw, a raw material inlet (114, 134) and an outlet (115, 135) for transformed material. It further comprises a connecting part (150) provided with a buffer chamber (151) designed to receive the transformed material transformed by the first element and to transfer said transformed material into the second element. The connecting part comprises an extruder grate (156) at its outlet and filter (155) at its inlet. The second element comprises a venting orifice (136) arranged in the sheath upstream of the inlet for the material transformed by the first element.</p> |
