US PATENT SUBCLASS 162 / 324
.~.~.~.~ Stock flow direction reversing means

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

232  DF  APPARATUS {22}
289  DF  .~ Running or indefinite length product forming and/or treating means {19}
315  DF  .~.~ Means directing stock into contact with molding surface {7}
323  DF  .~.~.~ Immersion vat type (e.g., cylinder machine vat) {9}
324.~.~.~.~ Stock flow direction reversing means

DEFINITION

Classification: 162/324

(under subclass 323) Apparatus in which the pulp slurry container has means therein for diverting the stock flow in opposite directions at will or wherein the supply of slurry to the vat is such that the direction of flow may be reversed at will.