| 摘要 |
An extruder comprises shafts (3), rotating in parallel, in the same sense around a circle, fitted with elements made at least partly from screw elements (1), which tightly interlock over the entire circumference thereof. At least one screw element is embodied as a pass screw element (6) with recesses in the screw ridge, screw core and/or in the screw flank. A restrictor element is placed after the above in the product flow during operation of the pass screw element (6). |
