Slider pad extruder

Fig. 6.21 A rotary-sector slider pad extruder. [Reprinted by permission from R. F. Westover, A Hydrodynamic Screwless Extruder Soc. Plastics Eng. J., 1473 (1962).]...

One of the first disk extruders was developed by Westover at Bell Telephone Laboratories it is often referred to as a stepped disk extruder or slider pad extruder [24]. A schematic picture of the extruder is shown in Fig. 2.13. 

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