Drive arrangement in a degassing extruder

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 47/76 (2006.01) B29C 47/46 (2006.01)

Patent

CA 2699057

The invention relates to a degassing extruder (1) for degassing a polymer material. The degassing extruder (1) comprises a least one drive (4), at least one gear (5), at least one rotatably driven extruder screw (3), at least one first material supply (6) and at least one extruder outlet (13). The degassing extruder (1) according to the invention is characterised in that the drive comprising drive (4) and gear (5) is provided at the extruder screw (3) end located downstream in relation to the transport direction of the polymer.

L'invention concerne une extrudeuse-dégazeuse (1) destinée au dégazage d'un matériau polymère. L'extrudeuse-dégazeuse (1) comprend au moins un entraînement (4), au moins une transmission (5), au moins une vis d'extrudeuse (3) entraînée en rotation, au moins une première alimentation en matériau (6) et au moins une sortie (13) pour l'extrudat. L'extrudeuse-dégazeuse (1) selon l'invention se caractérise en particulier en ce que le système d'entraînement, qui comprend l'entraînement (4) et la transmission (5), est placé dans la zone de l'extrémité de la vis d'extrudeuse (3) qui est située en aval par rapport au sens d'acheminement du polymère.

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