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    • 3. 发明申请
    • INJECTION MOLDING SYSTEM FOR INJECTION MOLDING A PLURALITY OF MATERIALS
    • 注塑成型系统,用于注塑成型多种材料
    • WO2006074181A3
    • 2007-12-27
    • PCT/US2006000112
    • 2006-01-04
    • PLASTIC ENGINEERING & TECHNICA
    • TOOMAN PATRICK A
    • B29C45/22
    • B29C45/1603
    • An injection molding system for injection molding a plurality of molten materials into a mold cavity includes a nozzle, a drop tip supported by the nozzle, and a central bore extending through the nozzle and drop tip. The injection molding system also includes a first and second flow passage each extending through the nozzle, so as to define a first and second nozzle flow passage, and drop tip, so as to define a first and second drop tip flow passage. The first and second drop tip flow passages each include a plurality of branching portions each defining a junction at which the respective flow passage communicates fluidly with the central bore.
    • 用于将多个熔融材料注射成型腔的注射成型系统包括喷嘴,由喷嘴支撑的液滴尖端以及延伸穿过喷嘴和滴头的中心孔。 注射成型系统还包括第一和第二流动通道,每个第一和第二流动通道各自延伸穿过喷嘴,以便限定第一和第二喷嘴流动通道以及液滴尖端,从而限定第一和第二液滴尖端流动通道。 第一和第二液滴尖端流动通道各自包括多个分支部分,每个分支部分限定了相应流动通道与中心孔流体连通的连接处。