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    • 8. 发明授权
    • Apparatus for forming a nonwoven web
    • 用于形成非织造纤维网的装置
    • US5160746A
    • 1992-11-03
    • US732449
    • 1991-07-18
    • Richard N. Dodge, IIAnn L. WagnerLarry C. FowlerMartin A. AllenJohn T. Fetcko, III
    • Richard N. Dodge, IIAnn L. WagnerLarry C. FowlerMartin A. AllenJohn T. Fetcko, III
    • D04H1/56
    • D04H1/56
    • Disclosed herein is an apparatus of the type for forming a nonwoven web from a fiber forming thermoplastic polymer resin which includes a reservoir for supplying a quantity of melted fiber forming thermoplastic resin, a pump for pumping the molten resin to a fiber forming die, and a die for forming a discrete resin stream to flow therefrom. The die includes a first fluid passageway for forming a stream of fluid, such as air, in contact with and substantially surrounding the formed flow of resin for a predetermined distance within the die and a fluid interrupt system for selectively cycling the flow of resin on and off and clearing the resin from the fiber forming die. A receiving belt collects the fibers formed from the resin flow beyond the first fluid passageway spaced at a predetermined distance from the die.
    • 本文公开了一种用于从成型热塑性聚合物树脂形成非织造纤维网的类型的装置,其包括用于供应一定数量的熔融纤维形成热塑性树脂的储存器,用于将熔融树脂泵送到成形模具的泵,以及 用于形成离散的树脂流从其流出。 模具包括用于形成流体的第一流体通道,例如空气,与模具内形成的树脂流接触并基本上围绕树脂流动预定距离;以及流体中断系统,用于选择性地循环树脂流动 关闭并从纤维成型模具中清除树脂。 接收带收集由树脂流形成的纤维,超过与模具间隔预定距离的第一流体通道。