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    • 10. 发明授权
    • Extruderhead
    • 挤出机
    • US4137027A
    • 1979-01-30
    • US798082
    • 1977-05-18
    • Wolfgand Ruger
    • Wolfgand Ruger
    • B29B7/00B29C47/00B29C47/04B29C47/14B29C47/56B29C47/92B29F3/04
    • B29C47/062B29C47/14B29C47/0019B29C47/003B29L2030/002
    • For the extrusion of a composite strip formed of two kinds of material two screw extruders are arranged one above the other. The lower extruder is horizontal while the upper extruder is inclined downwardly so that both extruders extrude through a common extruderhead. The extruderhead comprises a fixed central portion having converging opposite faces and hinged upper and lower jaws on opposite sides of the central portion. Interchangeable insert plates are secured on opposite sides of the central portion of the extruderhead and on the inner faces of the upper and lower jaws. The insert plates are provided with cooperating channels to define the shape of the extruded strips and the portions of the strips which are formed, respectively, of material from the upper and lower extruders. The upper and lower jaws are movable hydraulically between a closed position for extrusion and an open position for cleaning and for changing the insert plates so that different shapes can be extruded and selected portions of the extruded shapes can be formed of different materials.
    • 对于由两种材料形成的复合带的挤出,两个螺杆挤出机彼此上下排列。 下挤出机是水平的,而上挤出机向下倾斜,使得两个挤出机通过普通挤出机挤出。 挤出机头部包括具有会聚的相对面的固定中心部分和在中心部分的相对侧上的铰接的上下颚。 可互换的插入板固定在挤出机头的中心部分的相对侧上以及上下钳口的内表面上。 插入板设置有协作通道以限定挤压条的形状和分别由上下挤出机形成的材料部分。 上下钳口在挤压关闭位置和用于清洁的打开位置和用于改变插入板之间以液压方式可移动,使得可以挤出不同的形状,并且挤出形状的选定部分可以由不同的材料形成。