Treating paper-making stock by vacuum deaeration prior to addition of diluting water

Claim 1

A METHOD OF CONDITIONING PAPERMAKING STOCK, WHICH COMPRISES MAINTAINING A CONFINED ZONE UNDER THE INFLUENCE OF DEAERATING VACUUM, ATOMIZINGLY INTRODUCING INTO SAID ZONE OF DEAERATING VACUUM THICK STUFF HAVING A FIBER CONCENTRATION TOO GREAT FOR USE IN PAPERMAKING, SIMULTANEOUSLY ATOMIZINGLY INTRODUCING INTO SAID ZONE OF DEAERATING VACUUM A MINOR AMOUNT OF DILUTING WHITE WATER TO ADMIX INTIMATELY WITH SAID ATOMIZED THICK STUFF AND FORM A HOMOGENEOUS SUSPENSION OF STOCK, SAID SUSPENSION STILL HAVING A FIBER CONCENTRATION TOO GREAT FOR USE IN PAPERMAKING, COLLECTING SAID HOMOGENEOUS STOCK SUSPENSION A S A POND WITHIN SAID CONFINED ZONE, WITHDRAWING HOMOGENEOUS STOCK SUSPENSION FROM SAID POND, MAINTAINING THE LEVEL OF SAID POND SUBSTANTIALLY CONSTANT BY REGULATING THE AMOUNT OF STUFF INTRODUCED INTO SAID ZONE RESPONSIVELY TO THE LEVEL OF SAID POND, MAINTAINING THE CONSISTENCY OF SAID HOMOGENEOUS SUSPENSION SUBSTANTIALLY CONSTANT BY REGULATING THE FLOW OF SAID MINOR AMOUNT OF DILUTING WHITE WATER TO SAID ZONE RESPONSIVELY TO THE CONSISTENCY OF SUSPENSION WITHDRAWN FROM SAID POND, AND ADMIXING SAID SUSPENSION EXTERIORLY OF SAID ZONE WITH A MAJOR AMOUNT OF NON-DEAERATED DILUTING WHITE WATER TO PROVIDE A DILUTE MIXTURE OF STOCK HAVING A FIBER CONCENTRATION SUITABLE FOR USE IN PAPERMAKING.