Screen and screen cloth for vibratory machine and method of manu

Classifying – separating – and assorting solids – Sifting – Elements

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209401, 51319, 210499, 428229, B07B 149

Patent

active

053300572

ABSTRACT:
A screen assembly for a vibratory screening machine including a frame, and a screen cloth on the frame having wires with a diameter D of between about 1.6.times.10.sup.3 micrometers and 17.8 micrometers with a peak to valley roughness R in micrometers which is between about R=0.333D and R=0.05D. A screen cloth for mounting on the frame having a range of dimensions as set forth above. A method of making a screen for a vibratory screening machine including the steps of providing a screen cloth having a wire of a diameter D of between about 1.6.times.10.sup.3 micrometers and 17.8 micrometers and roughing the surface of the wires to a peak to valley roughness which is between about R=0.333D and R=0.05D.

REFERENCES:
patent: 3049796 (1962-08-01), Pall
patent: 3327866 (1967-06-01), Pall et al.
patent: 3716138 (1973-02-01), Lumsden
patent: 4446022 (1984-05-01), Harry
patent: 4575421 (1986-03-01), Derrick et al.

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