| 摘要 |
A granulation chamber for plastics materials comprises a top portion effective to be rotated symmetrically about a vertical axis and having a downwardly divergent concave shape, an opening located at the center of the top portion and engaged by an extruder head associated with a star arrangement of granulating knives to be rotated in a horizontal plane intersecting the top portion and a frusto-conical hopper-like bottom portion coupled with the top portion and converging downwardly into a discharge outlet.
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