Co-injection apparatus for injection molding
    6.
    发明授权
    Co-injection apparatus for injection molding 有权
    注塑成型用共注射装置

    公开(公告)号:US06974556B2

    公开(公告)日:2005-12-13

    申请号:US10220489

    申请日:2001-02-28

    IPC分类号: B29C45/16

    CPC分类号: B29C45/1603 B29C2045/308

    摘要: A co-injection nozzle pin (20) having downstream and upstream ends. The nozzle pin has therein a central bore (30) including an upstream end (32) adapted to communicate with a first material and a downstream end (34) exiting at the downstream end of the pin. The nozzle pin also has an outer surface (36) including a first portion (38) having a diameter D1, a second portion (40) having a diameter D2, wherein D2 is less than D1 and the first portion is rearward of the second portion. The pin further includes a channel (46) spiralling around the outer surface and being adapted to communicate with a second material. The channel (46) includes a first segment (52) defined in the first portion (38) of the outer surface and increasing in depth as it travels in a downstream direction and a second segment (54) defined in the second portion (40) of the outer surface and decreasing in depth as it travels in a downstream direction.

    摘要翻译: 具有下游和上游端的共注射喷嘴销(20)。 喷嘴销具有一个中心孔(30),该中心孔(30)包括适于与第一材料连通的上游端(32)和在销的下游端离开的下游端(34)。 喷嘴销还具有外表面(36),该外表面(36)包括直径为D 1 N的第一部分(38),具有直径D 2的第二部分(40) 其中D 2小于D 1 N,并且第一部分在第二部分的后方。 销还包括围绕外表面螺旋并且适于与第二材料连通的通道(46)。 通道(46)包括限定在外表面的第一部分(38)中并随着其沿下游方向行进而深度增加的第一段(52)和限定在第二部分(40)中的第二段(54) 的外表面,并且随着其沿下游方向行进而深度减小。

    Co-injection method apparatus for injection molding
    8.
    发明授权
    Co-injection method apparatus for injection molding 失效
    注射成型用共注射方法装置

    公开(公告)号:US5891381A

    公开(公告)日:1999-04-06

    申请号:US897459

    申请日:1997-07-21

    IPC分类号: B29C45/16 B29C45/23

    摘要: Injection molding apparatus including a first mold cavity having an inlet, a second mold cavity having an inlet, a source of a first material to be injected, a source of a second material to be injected, and a co-injection manifold including a nozzle housing including a first outlet adapted to communicate with the first mold cavity inlet, a second outlet adapted to communicate with the second mold cavity inlet, first and second spaced apart inlets respectively adapted to communicate with the first and second sources of material to be injected, a first passageway communicating between the first inlet and the first and second outlets, and a second passageway communicating between the second inlet and the first and second outlets.

    摘要翻译: 注射成型设备包括具有入口的第一模腔,具有入口的第二模腔,待注射的第一材料的源,待注射的第二材料的源,以及共注射歧管,其包括喷嘴壳体 包括适于与第一模腔入口连通的第一出口,适于与第二模腔入口连通的第二出口,分别适于与要注入的第一和第二源材料连通的第一和第二间隔开的入口, 第一通道在第一入口与第一和第二出口之间连通,以及在第二入口与第一和第二出口之间连通的第二通道。