US PATENT SUBCLASS 162 / 254
.~.~ Of stock working device


Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

232  DF  APPARATUS {22}
252  DF  .~ Automatic control {7}
254.~.~ Of stock working device


DEFINITION

Classification: 162/254

(under subclass 252) Apparatus in which the control is of a means preparing the stock for the forming operation.

(1) Note. In this subclass may be found, for example, devices to sense the consistency of the stock and in response thereto control a refining device to vary the characteristics of the stock.

SEE OR SEARCH CLASS

241, Solid Material Comminution or Disintegration,

33+, for fibrous material comminutors having automatic control features.