(under subclass 129) Processes wherein the base that is coated embodies a material containing clay, concrete, sand or other earthy material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
79, for coating siliceous or calcareous bases with a barrier layer to prevent or retard evaporation of a volatile component.
136, for coating processes in which base is glass fibers.
256, for processes of forming a layer in a mold on a body containing clay, sand or calcareous material which was formed in the same mold.
603+, for processes of firing, sintering or vitrifying of shaped articles or preforms having combined steps of shaping and coating outside of the mold prior to or subsequent to the firing steps.
