US PATENT SUBCLASS 162 / 380
.~ Slurry supply conditioning or condition maintaining


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

232  DF  APPARATUS {22}
380.~ Slurry supply conditioning or condition maintaining


DEFINITION

Classification: 162/380

(under subclass 232) Apparatus including means to prepare the stock material for the forming step or to maintain or continue the proper condition of the stock material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

1+, for various processes for preparing pulp which include a step of chemical liberation, recovery or purification of fibrous material and subclasses 233+, for corresponding apparatus.

158+, for processes involving a step of adding a nonfibrous material to the pulp.

187, for pulp preparation processes including a step of hydration or gelatinization.

189, for processes involving a step reclamation salvage or reuse of materials. 261, for paper making apparatus combined with beating, refining and/or disintegrating means.

263, for apparatus having measuring or testing means.

264, for apparatus for the recirculation or treatment of white water or broke.

SEE OR SEARCH CLASS

137, Fluid Handling, appropriate subclasses for devices, per se, controlling the consistency of the slurry stock and especially

92, and 467.5.