(under the class definition) Processes directed to the reshaping of solid, irregular or nonspherical particulate matter wherein said irregularities are diminished or the particles are caused to become more spherical or rounded in shape without loss of material therefrom and by means other than use of a mold or shaping surface therefor and in which the individual and separate identities of the particles is maintained.
(1) Note. Patents in this subclass are generally directed to those processes in which heat is employed to soften the particles so as to permit the internal cohesive forces of the particles to effect said reshaping as defined.
SEE OR SEARCH THIS CLASS, SUBCLASS:
5+, particularly subclasses 13+ for processes forming particulate material directly from a molten or liquid mass.
109+, for processes of forming articles by uniting of nonmetal particles in which the overall configuration of the particles may be altered in the process.
162, for surface finishing by abrading. 320+, for processes of reshaping an article in which a mold or solid shaping surface is employed.
341, for processes of treating a solid article in which the surface is smoothed by solvent polishing.
SEE OR SEARCH CLASS
75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,
342, for spheroidizing or rounding of existing solid metal particles. Patents having claims to spheroidizing or rounding of solid metal particles and claims to spheroidizing or rounding of solid, nonmetal particles or patents having generic claims with a disclosure to spheroidizing or rounding of solid, metal particles and to spheroidizing or rounding of solid, nonmetallic particles will go as originals to Class 264 and a cross-reference will be placed in Class 75.
201, Distillation: Processes, Thermolytic,
5+, for a thermolytic distillation process including the step of shaping solid carbonaceous material without using a mold.
