(under subclass 47) Process which includes the step of applying a coating to the forming surface before the metal is introduced to the surface.
(1) Note. A coating coming within the scope of this subclass is one which merely perfects the casting operation but does not itself shape the material, e.g., to lubricate.
SEE OR SEARCH THIS CLASS, SUBCLASS:
33, for process of forming a coating or lining on the mold shaping surface which functions to retain and shape the work during the casting operation.
57.1+, for processes including the coating of a mold surface with alloying material.
138, for particular materials utilized as mold coatings or linings.
SEE OR SEARCH CLASS 106, Compositions: Coating or Plastic,
38.22+, for mold coating compositions.
249, Static Molds,
114.1, for static molds including a coating or adherent layer.