Method and apparatus for accurately measuring the freeness...

Details Method and apparatus for accurately measuring the freeness... Method and apparatus for accurately measuring the freeness...

G - Physics

01

N

73/98

G01N 15/08 (2006.01) D21F 1/00 (2006.01)

Patent

CA 1071892

A METHOD AND APPARATUS FOR ACCURATELY MEASURING THE FREENESS OF PAPER STOCK IN A SHORT TIME Abstract of the Disclosure: A method and an apparatus for accurately measuring the freeness of paper stock in a short time are disclosed. The measurement is effected by the steps of taking out a predetermined amount of paper stock from a flowline or a place in which the paper stock is prepared, diluting the taken out stock with water to predetermined consistency and agitating the sample by utilizing pressurized air in a short time so that fibrous material in the stock is evenly dispersed in the water, and draining the thus ob- tained diluted sample through a screen preferably under slight pressure. - 1 -

250854

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