Patent ID: 7264460
Filing Date: 2007-09-04
Classification: B29C

Abstract:
1. A material processing plant, comprising: a first extruder comprising a casing with at least one first casing bore, said at least one first casing bore having a defined longitudinal axis, said first extruder having a first end and a second end, said second end being located downstream of said first end; a first screw shaft located within said at least one first casing bore; a feed hopper located at said first end; a motor actuating said first screw shaft, said motor being located in an area of said first end; a second extruder arranged downstream of said first extruder; a delivery zone located in an area of said second end, said delivery zone connecting said first extruder to said second extruder, said delivery zone having a defined delivery orifice extending radially of said longitudinal axis and directed towards said second extruder; a sealing element with a movable body having at least one through bore, said movable body being movable from a screw-shaft pull-out position to a sealing position, said at least one through bore being aligned with said at least one first casing bore in said screw-shaft pull-out position, said sealing element being located at said second end.