(under subclass 421) Processes in which plural materials are supplied from separate sources and are combined to make up a coating composition while being conveyed from their sources
toward the base, said combining taking place (1) prior to discharge from a projecting apparatus or (2) after leaving the apparatus, but prior to contacting the base.
(1) Note. At least two of the materials combined must constitute ingredients of the coating composition. This subclass does not include combining a coating composition with a liquid or gas which is intended to function solely as a conveyor for the material to the work.
SEE OR SEARCH THIS CLASS, SUBCLASS:
196, for applying solid particles and a binder to a base simultaneously, but from different sources.
402, for applying superposed diverse coatings and read the notes and search notes thereto.
