| 摘要 |
PURPOSE: An injection molding machine is provided to uniformly mix melted resin with gas, and to improve the quality of injection molded products by controlling the amount of the gas mixed with the melted resin. CONSTITUTION: An injection molding machine is composed of a nozzle(100) communicated with an injection port(510) of a mold(500), a melted resin supply tube(200) communicated with the nozzle and supplying melted resin, a mixing unit(300) installed between the nozzle and the melted resin supply tube and having a venturi(310), and a gas supply tube(400). The gas supply tube is communicated with the middle part of the venturi, and supplies gas to the mixing unit.
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