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    • 4. 发明授权
    • Externally adjustable insert for extrusion manifold
    • 用于挤压歧管的外部可调插入件
    • US07264461B2
    • 2007-09-04
    • US11250874
    • 2005-10-14
    • Edward Leon Ouellette
    • Edward Leon Ouellette
    • B29C47/16
    • A21C11/16
    • Externally adjustable extrusion insert for a multiple-orifice extrusion manifold. Adjustments to an extrusion insert precisely controls the extrusion path leading to one or more extrusion orifices of the manifold. Each insert is adjusted to reduce or eliminate variations in extrudate exit velocity among orifices in the extrusion manifold. Precisely tuned inserts provide extruded products of uniform length. Choke plates controlling the flow of extrudate to each orifice. Choke plates are manipulated with an externally adjustable cam. Such adjustment compensates for variations in temperature, pressure, surface properties, geometric variations, and other conditions which may affect extrudate flow rates through the orifices and extrusion manifold.
    • 用于多孔挤出歧管的外部可调挤压插入件。 对挤压插入件的调整精确地控制通向歧管的一个或多个挤出孔的挤出路径。 调整每个插入物以减少或消除挤出歧管中孔口之间的挤出物出口速度的变化。 精密调整的刀片提供均匀长度的挤出产品。 遏制板控制挤出物流向每个孔。 扼流板用外部可调节的凸轮操纵。 这种调节补偿温度,压力,表面性质,几何变化和其他可能影响通过孔和挤出歧管的挤出物流速的条件的变化。