(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.
