INJECTION NOZZLE
To reduce gas generation due to the decomposition of a resin composition in a process in which the molten resin composition passes through a reduced-diameter part of an injection nozzle.SOLUTION: An injection nozzle 10 is attached to an injection molding machine, guides a molten resin composition su...
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Format | Patent |
Language | English Japanese |
Published |
11.06.2020
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Abstract | To reduce gas generation due to the decomposition of a resin composition in a process in which the molten resin composition passes through a reduced-diameter part of an injection nozzle.SOLUTION: An injection nozzle 10 is attached to an injection molding machine, guides a molten resin composition supplied from a cylinder of the injection molding machine to inject it into a mold, and has a flow passage 13 extended from a supply port 11 to which the molten resin composition is supplied along the axis A of the injection nozzle 10 to an injection port 12 for injecting it to the mold, to guide the molten resin composition. The flow passage 13 includes a taper portion 13d tapered and connected to the injection port 12. The taper portion 13d, regarding a cross-section that includes the axis A, includes a cross-section such that a contour of the flow passage 13 facing the axis A includes a convex shape with respect to the flow passage 13.SELECTED DRAWING: Figure 2
【課題】射出ノズルの流路の縮径部を溶融された樹脂組成物が通過する過程における樹脂組成物の分解によるガスの発生を低減する。【解決手段】射出ノズル10は、射出成形機に取り付けられ、射出成形機のシリンダから供給された溶融された樹脂組成物を案内して金型に射出するものであって、射出ノズル10の軸Aに沿って、溶融された樹脂組成物が供給される供給口11から金型に射出する射出口12まで延びて溶融された樹脂組成物を案内する流路13を有し、流路13は、先細りとなって射出口12に接続するテーパ部13dを含み、テーパ部13dは、軸Aを含む断面について、軸Aに対向する流路13の輪郭が流路13に対する凸形状を含むような断面を含んでいる。【選択図】図2 |
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AbstractList | To reduce gas generation due to the decomposition of a resin composition in a process in which the molten resin composition passes through a reduced-diameter part of an injection nozzle.SOLUTION: An injection nozzle 10 is attached to an injection molding machine, guides a molten resin composition supplied from a cylinder of the injection molding machine to inject it into a mold, and has a flow passage 13 extended from a supply port 11 to which the molten resin composition is supplied along the axis A of the injection nozzle 10 to an injection port 12 for injecting it to the mold, to guide the molten resin composition. The flow passage 13 includes a taper portion 13d tapered and connected to the injection port 12. The taper portion 13d, regarding a cross-section that includes the axis A, includes a cross-section such that a contour of the flow passage 13 facing the axis A includes a convex shape with respect to the flow passage 13.SELECTED DRAWING: Figure 2
【課題】射出ノズルの流路の縮径部を溶融された樹脂組成物が通過する過程における樹脂組成物の分解によるガスの発生を低減する。【解決手段】射出ノズル10は、射出成形機に取り付けられ、射出成形機のシリンダから供給された溶融された樹脂組成物を案内して金型に射出するものであって、射出ノズル10の軸Aに沿って、溶融された樹脂組成物が供給される供給口11から金型に射出する射出口12まで延びて溶融された樹脂組成物を案内する流路13を有し、流路13は、先細りとなって射出口12に接続するテーパ部13dを含み、テーパ部13dは、軸Aを含む断面について、軸Aに対向する流路13の輪郭が流路13に対する凸形状を含むような断面を含んでいる。【選択図】図2 |
Author | DING SHENG ER ITO DAISUKE |
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Snippet | To reduce gas generation due to the decomposition of a resin composition in a process in which the molten resin composition passes through a reduced-diameter... |
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SubjectTerms | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
Title | INJECTION NOZZLE |
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