Thermoplastics extruder with protected heater band cables

摘要

Has a heater band (13) around part of the board (26) with connecting wires each enclosed in a heat resistant tube (10,12) radially attached to the heater band (13) and entering a common distribution box (4) extending along the extruder and attached outside the high temp. area. Further connecting cables (6) link the connecting wires inside the distribution box (4) to the main power supply.