Fibre flexibility meter

G - Physics – 01 – N

Patent

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73/97

G01N 33/34 (2006.01) G01N 11/00 (2006.01) G01N 15/02 (2006.01)

Patent

CA 1115552

FIBRE FLEXIBILITY METER ABSTRACT OF DISCLOSURE A method and apparatus are disclosed for obtaining an indication of fibre flexibility by spraying a pulp sample of preselected average fibre length against the bottom of a horizontal screen having a negative pressure thereabove whereby a selected pressure drop is applied across the screen and the pulp sample is divided into a retained and a passed fraction. The flexibility index is obtained by a ratio indicative of the fibre mass in the passed fraction or retained fraction to the fibre mass in the feed.

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