| 摘要 |
<p>A combined heater and heat diffuser for fitting to an injection nozzle ( 10 ) for moulding plastics materials, where the nozzle comprises a tubular metal core ( 12 ) with an injection duct ( 14 ) and a cylindrical lateral surface ( 13 ). The heater and heat diffuser includes a resistor ( 40 ) housed in a channel-shaped seat ( 32 ) formed in a cylindrical internal surface ( 30 d) of a heat diffuser ( 30 ) made of a metal material of a tubular shape for fitting around the core ( 12 ) of the nozzle.</p> |
