(under subclass 268) Means and methods wherein rotating-disk sifters are employed to sift material suspended in liquid or liquid-supply means are associated with such sifters to promote sifting.
SEE OR SEARCH THIS CLASS, SUBCLASS:
12.1, 13, 14, 17, 42, and 44, for combinations of sifting and fluid suspension or stratifying type separations.
423, through 427, for stratifiers employing moveable permeable beds.
