(under subclass 244) Apparatus provided with means for holding the cover for limited movement with respect to the upper edge of the receptacle so that solids will be retained and liquid escape between the cover and the receptacle upper edge.
SEE OR SEARCH THIS CLASS, SUBCLASS:
382, for a centrifugal extractor having a discharge between the upper edge of a receptacle and a cover therefor.
464+, for a portable receptacle with attached strainer for draining.
