| 摘要 |
<p>The present invention relates to an extruder that enables manufacture of high quality extrusion products by effectively exhausting gas in molten plastic flowing at a high speed. An extruder according to an exemplary embodiment of the present invention may include: a controller drying raw materials by using preheated air and supplying dried raw materials; a heating cylinder receiving the dried raw materials from the controller and melting the dried raw materials so as to make molten plastic; and a nozzle assembly receiving the molten plastic from the heating cylinder, extracting gas in the molten plastic, and supplying the molten plastic from which the gas is extracted to a cavity between first and second dies.</p> |
