US PATENT SUBCLASS 241 / 295
.~.~.~.~ Annular sections


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

*  DD  APPARATUS {41}
291  DF  .~ Comminuting elements {7}
293  DF  .~.~ Cylindrical or frusto-conical (i.e., peripheral comminuting face) {1}
294  DF  .~.~.~ Sectional or separable surface element {1}
295.~.~.~.~ Annular sections


DEFINITION

Classification: 241/295

(under subclass 294) Comminuting elements in which the sections are generally annular.

(1) Note. The cleavage planes between the sections are usually normal to the axis but may be in the form of a helix or set at an angle to the normal plane so long as the sections are generally annular.