US PATENT SUBCLASS 241 / 261.1
.~.~.~.~.~ Conoidal surface


Current as of: June, 1999
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241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  APPARATUS {41}
198.1  DF  .~ Cooperating comminuting surfaces (e.g., jaw crusher) {5}
220  DF  .~.~ Rotary surface (or surfaces) {2}
244  DF  .~.~.~ Axial or radial flow of material (e.g., disc mill, or cone and shell mill) {6}
260  DF  .~.~.~.~ Cooperating non-smooth surface characteristics {4}
261.1.~.~.~.~.~ Conoidal surface


DEFINITION

Classification: 241/261.1

(under subclass 260) Apparatus wherein one surface member is circular in a cross section taken perpendicular to the longitudinal axis and convergent in a cross section taken parallel to such axis.