Kneading is working (dough, clay, etc.) into a uniform mixture by pressing, folding, and stretching. (RDC 12/13/2010)
Dictionary.com, Kneading, 12/13/2010)

Recent US Patents

9/28/2010
7,802,915
Device and method for adjusting the degree of mixing

Yamada et al of Kobe Steel, Japan has developed a device for adjusting the degree of mixing by a kneading/mixing screw while feeding the material to a downstream side fased on a moveable gate changing the flow path and the mixing. (RDC 12/7/2010)