公开(公告)号：US09126358B2

公开(公告)日：2015-09-08

申请号：US14515568

申请日：2014-10-16

申请人： Yanfeng Automotive Trim Systems Co., Ltd.

发明人： Weiyi Wang ,  Yiping Ma ,  Zifeng Chen

IPC分类号： B29C33/48 ,  B29C44/10 ,  B29C44/02 ,  B29C44/34 ,  B29K23/00 ,  B29K105/00 ,  B29K105/04 ,  B29K105/16

CPC分类号： B29C44/105 ,  B29C44/027 ,  B29C44/3403 ,  B29K2023/00 ,  B29K2105/0088 ,  B29K2105/04 ,  B29K2105/043 ,  B29K2105/16

摘要： A method of improving the appearance of foaming injection molding product includes closing the moving mold and the fixed mold and setting a clamping force on the closed mold, wherein a mold cavity is formed between the moving mold and the fixed mold. The method proceeds by inflating the mold cavity with high pressure and high temperature gas until the air pressure in the mold cavity reaches 2-25 MPa and the temperature of the high pressure and high temperature gas is between 60-200° C., then injecting molten resin that contains foaming agent into the mold cavity while continuously inflating high pressure and high temperature gas. After injection completed, stopping inflating high pressure and high temperature gas and simultaneously releasing pressure, wherein the step of releasing pressure includes the step of opening the mold.

摘要翻译： 改善发泡注塑产品外观的方法包括：关闭移动模具和固定模具，并在闭合模具上设置夹紧力，其中在移动模具和固定模具之间形成模腔。 该方法通过用高压和高温气体充气模腔，直到模腔中的空气压力达到2-25MPa，高压和高温气体的温度在60-200℃之间，然后注入 含有发泡剂的熔融树脂在连续膨胀高压和高温气体的同时进入模腔。 注射完成后，停止充气高压和高温气体并同时释放压力，其中释放压力的步骤包括打开模具的步骤。

公开(公告)号：US20150035193A1

公开(公告)日：2015-02-05

申请号：US14515568

申请日：2014-10-16

申请人： Yanfeng Automotive Trim Systems Co., Ltd .

发明人： Weiyi Wang ,  Yiping Ma ,  Zifeng Chen

IPC分类号： B29C44/10 ,  B29C44/34 ,  B29C44/02

CPC分类号： B29C44/105 ,  B29C44/027 ,  B29C44/3403 ,  B29K2023/00 ,  B29K2105/0088 ,  B29K2105/04 ,  B29K2105/043 ,  B29K2105/16

摘要： A method of improving the appearance of foaming injection molding product includes closing the moving mold and the fixed mold and setting a clamping force on the closed mold, wherein a mold cavity is formed between the moving mold and the fixed mold. The method proceeds by inflating the mold cavity with high pressure and high temperature gas until the air pressure in the mold cavity reaches 2-25 MPa and the temperature of the high pressure and high temperature gas is between 60-200° C., then injecting molten resin that contains foaming agent into the mold cavity while continuously inflating high pressure and high temperature gas. After injection completed, stopping inflating high pressure and high temperature gas and simultaneously releasing pressure, wherein the step of releasing pressure includes the step of opening the mold.

摘要翻译： 改善发泡注塑产品外观的方法包括：关闭移动模具和固定模具，并在闭合模具上设置夹紧力，其中在移动模具和固定模具之间形成模腔。 该方法通过用高压和高温气体充气模腔，直到模腔中的空气压力达到2-25MPa，高压和高温气体的温度在60-200℃之间，然后注入 含有发泡剂的熔融树脂在连续膨胀高压和高温气体的同时进入模腔。 注射完成后，停止充气高压和高温气体并同时释放压力，其中释放压力的步骤包括打开模具的步骤。