(under subclass 193) Apparatus including means whereby the fluid which has overflowed or escaped the retaining wall is conveyed to the point of use by a second fluid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
77+, for apparatus having a fluid sprayed into a gaseous conveying current.
314, for apparatus for mixing, dissolving or entraining material in a flowing liquid stream by mixing exteriorly of the liquid flow paths by dribble or drip.
379, for gravity flow from a supply holder of material to be conveyed by a second fluid.