A material processing device and method for milling, emulsifying, dispersing, blending, polymerizing and hydrogenizing flowable materials. The device includes a processing chamber through which flowable material flows, an oscillating surfacing of the processing chamber which produces an oscillatory squeezing...http://www.google.com.au/patents/US3997145?utm_source=gb-gplus-sharePatent US3997145 - Oscillating mixer and method
