.~ Powder pretreatment (prior to consolidation or sintering) {6}
33
.~.~ Comminuting
DEFINITION
Classification: 419/33
Comminuting:
(under subclass 30) Processes in which preliminary operation includes comminution, disintegration, abrasion or other mechanical method of producing a number of smaller solid masses by the division of a larger solid mass or masses.
SEE OR SEARCH THIS CLASS, SUBCLASS:
55, for sintering processes involving plural heating (sintering) steps in which the material is comminuted between sintering steps.
SEE OR SEARCH CLASS
241, Solid Material Comminution or Disintegration,
3, for processs involving mechanical comminution or disintegration preceded by solidifying, consolidating, shaping and/or sintering steps provided no chemical change is involved, and see section 2 of the main class definition of Class 241 for the lines between Class 241 and the chemical classes when a chemical change is involved.
