Parting molding from melt in injection channel is achieved by controlled injection of small quantity of gas or liquid close to channel/molding interface resulting in e.g. very smooth, clean, parting depression

摘要

The plastic melt (20) is parted-off by a fluid medium (60) introduced into the cavity. An Independent claim is included for corresponding equipment. A salient preferred feature is that the second opening (50) diameter is less than 0.1 mm.